China high quality High Quality FCL Flexible Sleeve Pin Coupling

Product Description

FCL Couplings Information

Application Field
Mixer, brewing machinery, centrifugal blower, centrifugal compressor, transport machinery, centrifugal fan and pump, generator sewage treatment equipment, clay processing machinery, crane, washing machines, woodworking machinery, machine tool, rotary grinding machine, paper mill machinery, the spinning jenny, reciprocating transports, crushing machine, shake conveyor, rubber machinery (equipped with mixed refine sensor and grinding machine, reciprocating compressor). Commonly used in air compressor machine.


FCL-90
FCL-100
FCL-112
FCL-125
FCL-140
FCL-160
FCL-180
FCL-200
FCL-224
FCL-250
FCL-280
FCL-315
FCL-355
FCL-400
FCL-450
FCL-560
FCL-630
FCL-710B
FCL-711B
FCL-800B

About CHINAMFG since 1984
HangZhou Melchizedek Import & Export Co., Ltd. is a leader manufactur in mechanism field and punching/stamp
ing field since 1984. Our main product, NMRV worm gear speed reducer and series helical gearbox, XDR,
XDF, XDK, XDShave reached the advanced technique index of the congeneric European and Janpanese produc
ts, We offer standard gears, sprockets, chains, pulleys, couplings, bushes and so on. We also can accept orders
of non-standard products, such as gears, shafts, punching parts ect, according to customers’ Drawings or sam-
ples.

Our company has complete set of equipment including CNC, lathes, milling machines, gear hobbing machine, g-
ear grinding machine, gear honing machine, gear shaping machine, worm grinder, grinding machines, drilling m-
achines, boringmachines, planer, drawing benches, punches, hydraulic presses, plate shearing machines and s-
o on. We have advanced testing equipments also.

Our company has established favorable cooperation relationships with sub-suppliers involving casting, raw mat-
erial, heat treatment, surface finishing and so on.

Standard Or Nonstandard:	Standard
Shaft Hole:	19-32
Torque:	>80N.M
Bore Diameter:	19mm
Speed:	4000r/M
Structure:	Flexible

Customization:	Available \| Customized Request

China high quality High Quality FCL Flexible Sleeve Pin Coupling

pin coupling

Can Pin Couplings Accommodate High Torque and High-Speed Applications?

Pin couplings are versatile and robust, making them suitable for a wide range of applications, including those involving high torque and high-speed requirements. However, the specific design and construction of the pin coupling will determine its capacity to handle such demanding conditions.

The ability of a pin coupling to accommodate high torque depends on factors such as the material used, the size and number of pins, and the overall design. High-quality pin couplings are often made from strong and durable materials like alloy steel, which allows them to withstand significant torque loads without failure or deformation.

Similarly, the capability of a pin coupling to handle high speeds depends on factors such as the balance of the coupling and the precise manufacturing of the pins and hubs. Properly balanced pin couplings can operate at higher speeds without generating excessive vibration or causing premature wear.

When selecting a pin coupling for high torque and high-speed applications, it is essential to consider the following:

Design and Construction: Opt for pin couplings with a robust and well-engineered design to handle the expected torque and speed requirements.
Material: Choose pin couplings made from high-quality materials known for their strength and fatigue resistance.
Size: Select an appropriate size of pin coupling that can accommodate the torque and speed expected in the application.
Manufacturer’s Ratings: Refer to the manufacturer’s specifications and torque-speed curves to ensure the coupling meets the desired performance criteria.

By carefully considering these factors and choosing a pin coupling designed for high torque and high-speed applications, you can ensure reliable and efficient power transmission in demanding industrial settings.

pin coupling

Can Pin Couplings Be Used for Both Motor-to-Shaft and Shaft-to-Shaft Connections?

Yes, pin couplings can be used for both motor-to-shaft and shaft-to-shaft connections in various mechanical systems. The versatile design of pin couplings allows them to connect two shafts with aligned or misaligned centers, making them suitable for a wide range of applications.

Motor-to-Shaft Connections: In motor-driven systems, pin couplings are commonly used to connect the motor shaft to the driven shaft of the equipment. The motor can be an electric motor, combustion engine, or any other type of power source. The pin coupling efficiently transfers torque from the motor shaft to the equipment’s driven shaft, enabling power transmission and mechanical motion.

Shaft-to-Shaft Connections: Pin couplings are also well-suited for shaft-to-shaft connections, where two separate shafts need to be joined together. This could be the case when extending the length of a shaft or connecting two separate pieces of rotating equipment. The pin coupling provides a secure and flexible connection between the two shafts, allowing torque to be transmitted between them while accommodating misalignment.

It is essential to consider the specific requirements of the application when selecting a pin coupling. Factors such as the amount of misalignment, torque capacity, operating conditions, and space constraints should be taken into account to ensure the coupling can effectively and reliably connect the motor and shafts.

Overall, the versatility and performance of pin couplings make them a popular choice for both motor-to-shaft and shaft-to-shaft connections in various industrial and mechanical systems.

pin coupling

Understanding Pin Couplings and Their Functionality

A pin coupling, also known as a shear pin coupling, is a type of mechanical coupling used to connect two rotating shafts in a mechanical system. It is designed to transmit torque while allowing for a limited amount of angular misalignment between the shafts. The primary function of a pin coupling is to protect the connected equipment from torque overload and prevent damage to the shafts and other components in case of sudden shock or overload.

How a Pin Coupling Works:

A typical pin coupling consists of two hubs, one on each shaft to be connected, and a series of pins that pass through the hubs to join them together. The pins are usually made of a softer material than the hubs, such as brass or aluminum, to act as sacrificial elements. The number and size of the pins depend on the coupling’s torque rating and the required angular misalignment capacity.

When the shafts are misaligned, the pins experience shear stress as they bend under the applied load. In normal operating conditions, the pins remain intact and allow the torque to transfer from one shaft to another. However, in the event of an overload or excessive misalignment, the pins will shear off, preventing the transmission of excessive torque and protecting the connected equipment from damage.

After shearing, the damaged pins can be easily replaced, and the coupling can be put back into service without major repairs to the equipment. This feature makes pin couplings particularly suitable for applications with varying operating conditions and environments where shock loads or sudden overloads may occur.

Advantages of Pin Couplings:

– Protection against Overload: The shear pins act as a safety feature, protecting the connected equipment from excessive torque and sudden shocks.

– Misalignment Tolerance: Pin couplings can accommodate a limited amount of angular misalignment between the shafts.

– Easy Replacement: After shearing, the damaged pins can be quickly replaced, reducing downtime and maintenance costs.

– Versatility: Suitable for a wide range of applications, including pumps, compressors, and other industrial machinery.

– Cost-Effective: The sacrificial pins are cost-effective components that can be easily replaced, avoiding costly repairs to the main equipment.

Limitations:

– Pin couplings have lower torque capacities compared to some other coupling types, such as gear couplings or rigid couplings.

– The need to replace the shear pins after each failure may lead to frequent maintenance requirements in applications with frequent overloads or misalignments.

In summary, pin couplings offer a reliable and cost-effective solution for torque transmission and protection against overloads in various mechanical systems. Their ability to accommodate misalignment and absorb shock loads makes them suitable for a wide range of industrial applications.

China high quality High Quality FCL Flexible Sleeve Pin Coupling
editor by CX 2023-09-21

China wholesaler Good Quality Gear Coupling with Elastic Pins

Product Description

GIICLZ drum gear coupling

GIICLZ drum-shaped gear coupling has the relative offset performance of 2 axes compensated in a certain angle direction, and works long distance with the middle axle. It is suitable for connecting horizontal 2 coaxial lines with a certain angular displacement of the transmission shafting.

·Features
1.Small radial dimension and large bearing capacity are commonly used in shafting transmission under low speed and heavy load conditions.
2.Under the same outer diameter of the inner gear sleeve and the maximum outer diameter of the coupling, the load-carrying capacity of the drum-shaped gear coupling is 15-20% higher than that of the straight-tooth coupling on average.
3.It can compensate the relative offset of 2 axes in a certain angle and work long distance with the middle axle.
4.It is suitable for connecting horizontal 2 coaxial axes and driving shafting with a certain angle displacement.

·GIICLZ Drum Gear Coupling Main Dimension And Parameter(JB/T8854.1-2001)

Type	Nominal torque (kn·m)	Allow speed (R/min)	Shaft hole diameter		Shaft hole length		D	D1	D2	D3	C	H	A	B	e	Rotary inertia Kg.m²	Weight
Type	Nominal torque (kn·m)	Allow speed (R/min)	d1	d2	Y	J1type	D	D1	D2	D3	C	H	A	B	e	Rotary inertia Kg.m²	Weight
GIICLZ1	0.4	4000	30	35	82	60	103	71	71	50	8	2	18	38	38	0.005	4.1
GIICLZ2	0.71	4000	25	28	62	44	115	83	83	60	8	2	21	44	42	0.00625	4.8
GIICLZ3	1.12	4000	25	28	62	44	127	95	95	75	8	2	22	45	42	0.011	7.8
GIICLZ4	1.8	4000	63	65	142	107	149	116	116	90	8	2	24.5	49	42	0.039	16.5
GIICLZ5	3.15	4000	63	65	142	107	167	134	134	105	10	2.5	27.5	54	42	0.5175	23.1
GIICLZ6	5	4000	80	85	172	132	187	187	187	153	10	2.5	28	55	42	0.10425	35.4
GIICLZ7	7.1	3750	100	105	212	167	204	170	170	140	10	2.5	30	59	42	0.1898	54.3
GIICLZ8	10	3300	100	110	212	167	230	186	186	155	12	3	33.5	71	47	0.297	67.4
GIICLZ9	16	3000	130	135	252	202	256	222	212	180	12	3	34.5	37	47	0.575	104.4
GIICLZ10	22.4	2650	130	145	252	202	287	239	239	200	14	3.5	39	82	47	0.935	133.5
GIICLZ11	35.5	2350	160	170	302	242	325	250	250	235	14	3.5	40.5	85	47	1.625	193
GIICLZ12	50	2100	190	200	325	282	362	286	313	270	16	4.0	44.5	95	49	3.093	290
GIICLZ13	71	1850	200	220	352	282	412	322	350	300	18	4.5	49	104	49	6.34	370
GIICLZ14	112	1650	240	250	470	330	462	420	335	380	22	5.5	86	148	63	8.6	509
GIICLZ15	180	1500	280	285	470	380	512	470	380	380	22	5.5	91	158	63	15.575	740
GIICLZ16	250	1300	280	300	470	380	580	522	430	430	28	7	104.5	177	67	26.35	974
GIICLZ17	355	1200	250	260	410	330	644	582	490	–	28	7	99	182	67	38.825	1110
GIICLZ18	500	1050	340	360	550	450	726	658	540	–	28	8	111	215	75	49.5	1465
GIICLZ19	710	950	340	320	470	380	818	748	630	–	32	8	116	220	75	139.5	2457
GIICLZ20	1000	800	480	500	650	540	928	838	720	–	32	10.5	123.5	235	75	277.25	3793
GIICLZ21	1400	750	480	500	650	540	1571	928	810	–	40	11.5	127.5	245	75	435	4780
GIICLZ22	1800	650	670	680	900	780	1134	1036	915	–	40	13	131	255	75	852.25	7540
GIICLZ23	2500	600	670	710	900	780	1282	1178	1030	–	50	14.5	149.5	290	80	1638.75	11133
GIICLZ24	3550	550	800	850	1000	880	1428	1322	1175	–	50	16.5	158.5	305	80	2976.25	16110
GIICLZ25	4500	460	1000	1040	–	1100	1644	1538	1390	–	50	19	162.5	310	80	7198.25	27797

·Product Show

♦Other Products List

Transmission Machinery Parts Name	Model
Universal Coupling	WS,WSD,WSP
Cardan Shaft	SWC,SWP,SWZ
Tooth Coupling	CL,CLZ,GCLD,GIICL, GICL,NGCL,GGCL,GCLK
Disc Coupling	JMI,JMIJ,JMII,JMIIJ
High Flexible Coupling	LM
Chain Coupling	GL
Jaw Coupling	LT
Grid Coupling	JS

♦Our Company

HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.

Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.

Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective.

♦Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2.Product Services
raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→Packing→Shipping

3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.

5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.

♦FAQ
Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing
various series of couplings.

Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.

Q 3:How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples ? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 month under normal circumstance.

Q 6: What is the MOQ?
A:Usually our MOQ is 1pcs.

Q 7: Do you have inspection procedures for coupling ?
A:100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.

Q 9: What’s your payment?
A:1) T/T.

♦Contact Us
Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

Standard Or Nonstandard:	Standard
Shaft Hole:	as Your Requirement
Torque:	as Your Requirement
Bore Diameter:	as Your Requirement
Speed:	as Your Requirement
Structure:	Flexible

Customization:	Available \| Customized Request

China wholesaler Good Quality Gear Coupling with Elastic Pins

pin coupling

Can Pin Couplings Accommodate High Torque and High-Speed Applications?

When selecting a pin coupling for high torque and high-speed applications, it is essential to consider the following:

Design and Construction: Opt for pin couplings with a robust and well-engineered design to handle the expected torque and speed requirements.
Material: Choose pin couplings made from high-quality materials known for their strength and fatigue resistance.
Size: Select an appropriate size of pin coupling that can accommodate the torque and speed expected in the application.
Manufacturer’s Ratings: Refer to the manufacturer’s specifications and torque-speed curves to ensure the coupling meets the desired performance criteria.

pin coupling

Can Pin Couplings Be Used for Both Motor-to-Shaft and Shaft-to-Shaft Connections?

Overall, the versatility and performance of pin couplings make them a popular choice for both motor-to-shaft and shaft-to-shaft connections in various industrial and mechanical systems.

pin coupling

Understanding Pin Couplings and Their Functionality

How a Pin Coupling Works:

Advantages of Pin Couplings:

– Protection against Overload: The shear pins act as a safety feature, protecting the connected equipment from excessive torque and sudden shocks.

– Misalignment Tolerance: Pin couplings can accommodate a limited amount of angular misalignment between the shafts.

– Easy Replacement: After shearing, the damaged pins can be quickly replaced, reducing downtime and maintenance costs.

– Versatility: Suitable for a wide range of applications, including pumps, compressors, and other industrial machinery.

– Cost-Effective: The sacrificial pins are cost-effective components that can be easily replaced, avoiding costly repairs to the main equipment.

Limitations:

– Pin couplings have lower torque capacities compared to some other coupling types, such as gear couplings or rigid couplings.

– The need to replace the shear pins after each failure may lead to frequent maintenance requirements in applications with frequent overloads or misalignments.

China wholesaler Good Quality Gear Coupling with Elastic Pins
editor by CX 2023-09-21

China Best Sales FCL Flexible Rubber Coupling for Spinning and Weaving Machines Elastic Column Pin Coupling

Product Description

FCL Flexible Rubber Coupling for Spinning and Weaving Machines Elastic Column Pin Coupling

Features

Compact designing, easy installation.
Convenient maintenance, small size, and lightweight.
Widely used in medium and minor power transmission systems driven by motors, such as speed reducers, hoists, compressors, conveyors, sp

Product Description

SIZE	N.m	r/min	D	D1		d1	L	C	n-M	kg
FCL90	4	4000	90	35.5		11	28	3	4-M8	1.7
FCL100	10	4000	100	40		11	35.5	3	4-M10	2.3
FCL112	16	4000	112	45		13	40	3	4-M10	2.8
FCL125	25	4000	125	65	50	13	45	3	4-M12	4
FCL140	50	4000	140	71	63	13	50	3	6-M12	5.4
FCL160	110	4000	160	80		15	56	3	8-M12	8
FCL180	157	3500	180	90		15	63	3	8-M12	10.5
FCL200	245	3200	200	100		21	71	4	8-M20	16.2
FCL224	392	2850	224	112		21	80	4	8-M20	21.3
FCL250	618	2550	250	125		25	90	4	8-M24	31.6
FCL280	980	2300	280	140		34	100	4	8-M24	44
FCL315	1568	2050	315	160		41	112	4	10-M24	57.7
FCL355	2450	1800	355	180		60	125	5	8-M30	89.5
FCL400	3920	1600	400	200		60	125	5	10-M30	113
FCL450	6174	1400	450	224		65	140	5	12-M30	145
FCL560	9800	1150	560	250		85	160	5	14-M30	229
FCL630	15680	1000	630	280		95	180	5	18-M30	296

Samples:	US$ 5/Piece 1 Piece(Min.Order) \| Order Sample Green

How Does a Pin Coupling Protect Connected Equipment from Shock Loads and Vibrations?

Pin couplings are designed to provide excellent protection to connected equipment from shock loads and vibrations, ensuring the smooth and reliable operation of the machinery. The unique features of pin couplings contribute to their ability to absorb and dampen shock loads and vibrations effectively:

Flexibility: Pin couplings possess a certain degree of flexibility due to the presence of movable pins. When subjected to sudden shock loads or vibrations, the pins can flex and move slightly, absorbing the impact and preventing it from transmitting directly to the connected equipment. This flexibility helps in reducing stress and minimizing the risk of damage to the machinery.
Torsional Compliance: The pin coupling’s design allows for a certain amount of torsional compliance. This means that when the connected shafts experience slight misalignments or angular displacements, the pin coupling can compensate for these variations without causing additional stress or vibration in the system. This feature ensures that the machinery remains in proper alignment even under dynamic conditions, reducing wear and tear.
Damping Characteristics: The presence of movable pins introduces damping characteristics to the coupling. When vibrations occur in the system, the pins can dampen these oscillations, preventing resonance and the amplification of vibrations. This damping effect improves the overall stability and performance of the machinery.
Strength and Resilience: High-quality pin couplings are constructed from durable materials with excellent fatigue resistance. This enables the coupling to withstand repeated shock loads and vibrations over an extended period without compromising its integrity. The strength and resilience of the pin coupling contribute to the protection of the connected equipment.

Overall, pin couplings are reliable and versatile components that can effectively protect connected equipment from shock loads and vibrations. Their flexibility, torsional compliance, damping characteristics, and robust construction make them suitable for various industrial applications where shock and vibration mitigation are essential for maintaining the health and longevity of machinery and equipment.

pin coupling

Usage of Pin Couplings in Applications with Varying Operating Temperatures

Pin couplings are versatile and can be used in a wide range of operating conditions, including applications with varying temperatures. The performance of pin couplings at different temperature levels depends on the materials used in their construction and the specific design features. Here’s how pin couplings handle varying operating temperatures:

1. Material Selection: Pin couplings can be manufactured using different materials, including steel, stainless steel, alloy steel, and various heat-treated materials. The choice of material depends on the application requirements and the temperature range the coupling will be subjected to. Some materials are suitable for high-temperature applications, while others are more suitable for low-temperature conditions.

2. Heat Dissipation: The simple and open design of pin couplings allows for efficient heat dissipation. As the coupling operates, any heat generated due to friction or other factors can easily dissipate into the surrounding environment. This helps in maintaining a stable operating temperature and prevents overheating of the coupling and connected equipment.

3. Lubrication: Proper lubrication is essential for the smooth operation of pin couplings, especially in applications with high temperatures. Lubricants help reduce friction and wear between the mating surfaces, ensuring that the coupling functions optimally even in elevated temperature conditions.

4. Thermal Expansion Considerations: Pin couplings must be designed with thermal expansion in mind. When the operating temperature increases, the materials may expand, and the coupling should have sufficient clearance or play to accommodate this expansion without causing binding or interference.

5. Temperature Limits: While pin couplings can handle a wide range of temperatures, there are limits to the extremes they can tolerate. Excessive heat can lead to degradation of the coupling material, premature wear, or reduced performance. It’s essential to choose a pin coupling that is rated for the specific temperature range of the application.

6. Insulation: In certain cases, pin couplings may need additional insulation to protect against extreme temperature variations or to prevent heat transfer to sensitive components nearby. Insulation can be achieved using materials with low thermal conductivity or by incorporating insulating coatings or barriers.

When selecting a pin coupling for an application with varying operating temperatures, it’s crucial to consider the specific temperature range, the type of materials used in the coupling’s construction, and any additional factors that may impact its performance. Following the manufacturer’s guidelines and ensuring proper maintenance will help ensure the pin coupling operates effectively and reliably across the expected temperature range.

pin coupling

Selecting the Appropriate Pin Coupling for a Specific Application

Choosing the right pin coupling for a specific application involves considering several factors to ensure optimal performance, reliability, and safety. Here are the key steps to select the appropriate pin coupling:

1. Determine the Application Requirements: Understand the specific requirements of the application, including torque and speed specifications, shaft sizes, and misalignment tolerances. Consider the operating conditions, such as temperature, humidity, and exposure to corrosive substances.
2. Calculate Torque and Power: Calculate the torque and power requirements of the application to determine the appropriate pin coupling’s torque capacity. Make sure to consider both steady-state and peak torque loads.
3. Consider Misalignment Tolerance: Evaluate the degree of misalignment expected in the system. Different pin coupling designs offer varying levels of misalignment tolerance. Choose a coupling that can accommodate the expected misalignment without compromising performance.
4. Select the Pin Coupling Type: Based on the application requirements, choose the appropriate pin coupling type – single pin, double pin, triangular pin, splined pin, or taper pin coupling. Each type offers different torque capacities and misalignment capabilities.
5. Check Material and Construction: Consider the materials used in the pin coupling’s construction. Common materials include steel, stainless steel, and alloy materials. The material should be suitable for the application’s environmental conditions and corrosion resistance.
6. Verify Safety Features: Ensure the selected pin coupling has safety features, such as a fail-safe mechanism to protect equipment from overload or shock loads. Safety is crucial to prevent damage to machinery and ensure operator protection.
7. Consult with Manufacturers or Engineers: If unsure about the best pin coupling for the application, consult with coupling manufacturers or mechanical engineers. They can provide valuable insights and recommendations based on their expertise.

By following these steps, you can select the appropriate pin coupling that matches the specific needs of the application, providing reliable and efficient power transmission while minimizing the risk of downtime and equipment failure.

China Best Sales FCL Flexible Rubber Coupling for Spinning and Weaving Machines Elastic Column Pin Coupling
editor by CX 2023-09-18

China Professional Lt9 Flexible Elastic Sleeve Dowel Pin Shaft Coupling

Product Description

Structure features :
1.Due to the gap between the circular hole on the flange of the elastic sleeve and the deformation of the elastic sleeve,the coupling has a certain compensation of 2 pairs of offset and shock absorpotion performance.

2.Operating temperature -20-+70.

3.The type and size of shaft hole and keyway ,marking method conforms to GB/T3852-1997″ shaft hole and coupling type and size of coupling”.

Standard Or Nonstandard:	Standard
Shaft Hole:	50-63
Torque:	1000
Speed:	2100
Structure:	Pin Structure
Material:	Cast Iron

Samples:	US$ 359.9/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

China Professional Lt9 Flexible Elastic Sleeve Dowel Pin Shaft Coupling

pin coupling

Can Pin Couplings Be Used in Both Horizontal and Vertical Shaft Arrangements?

Yes, pin couplings can be used in both horizontal and vertical shaft arrangements. These couplings are designed to accommodate angular misalignment, parallel misalignment, and axial movement, making them versatile for various shaft orientations.

In horizontal shaft arrangements, where the shafts are aligned on the same horizontal plane, pin couplings can efficiently transmit torque while allowing for flexibility to accommodate minor misalignments and shaft movements. The pins and flexible elements in the coupling enable angular displacement and radial flexibility, ensuring smooth power transmission even if the shafts are not perfectly aligned.

In vertical shaft arrangements, where the shafts are aligned on a vertical plane, pin couplings can also be used effectively. The coupling design allows for axial movement, which is crucial in vertical applications where the shafts may experience expansion or contraction due to thermal changes or other factors. The flexible nature of pin couplings allows them to handle these axial movements without compromising the coupling’s performance.

Whether in horizontal or vertical arrangements, pin couplings are commonly used in various industrial applications, including pumps, compressors, conveyors, and other rotating machinery. They are known for their simplicity, ease of installation, and ability to provide reliable power transmission while accommodating misalignment and shaft movement.

When using pin couplings in either arrangement, it is essential to ensure proper alignment and regular maintenance to maximize their performance and service life. Additionally, considering factors like torque requirements, operating conditions, and environmental considerations will help in selecting the appropriate pin coupling for a specific application.

pin coupling

How Does a Pin Coupling Handle Angular, Parallel, and Axial Misalignment?

A pin coupling is designed to handle different types of misalignment, including angular, parallel, and axial misalignment. The unique construction of pin couplings allows them to accommodate these misalignments without compromising the efficiency and performance of the connected equipment.

1. Angular Misalignment: Angular misalignment occurs when the axes of the driving and driven shafts are not parallel but intersect at an angle. Pin couplings can tolerate angular misalignment because of their flexible and floating pin design. The two coupling halves are connected by a series of pins, which can pivot and move within the pin holes. This flexibility allows the coupling to bend slightly, adjusting to the angle of misalignment between the shafts.

2. Parallel Misalignment: Parallel misalignment happens when the axes of the driving and driven shafts are parallel, but they are laterally displaced from each other. Pin couplings can handle parallel misalignment to some extent due to the floating nature of the pins. The pins can move laterally within the pin holes, allowing the coupling to adapt to the offset between the shafts.

3. Axial Misalignment: Axial misalignment occurs when there is a linear displacement along the axis of one shaft concerning the other. While pin couplings primarily focus on handling angular and parallel misalignment, they may offer limited axial misalignment capabilities. The floating pins provide a small degree of axial movement, but excessive axial misalignment is best avoided to prevent additional stresses on the coupling.

It is important to note that while pin couplings can accommodate some degree of misalignment, excessive misalignment should be avoided to prevent premature wear and potential failure of the coupling and connected equipment. Regular inspection and maintenance can help identify and address any misalignment issues, ensuring the optimal performance and longevity of the pin coupling in power transmission applications.

pin coupling

Advantages of Using Pin Couplings in Mechanical Systems

Pin couplings, also known as shear pin couplings, offer several advantages when used in mechanical systems. These advantages make them a popular choice for various industrial applications:

1. Overload Protection: Pin couplings are designed to provide overload protection to connected equipment. In case of excessive torque or sudden shock loads, the sacrificial pins will shear off, preventing damage to the shafts and other components.
2. Misalignment Tolerance: Pin couplings can accommodate a limited amount of angular misalignment between the shafts. This helps to compensate for minor misalignments and reduces the stress on the connected equipment.
3. Cost-Effective: The shear pins used in pin couplings are relatively inexpensive compared to other coupling components. In the event of a failure, replacing the damaged pins is a cost-effective solution, avoiding more significant repairs to the main equipment.
4. Easy Replacement: After shearing, the damaged pins can be quickly and easily replaced. This leads to reduced downtime and lower maintenance costs in the long run.
5. Versatility: Pin couplings are suitable for a wide range of applications, including pumps, compressors, fans, and other industrial machinery. Their ability to handle varying operating conditions makes them versatile in different environments.
6. Shock Load Absorption: Pin couplings can absorb and dissipate shock loads effectively. The shear pins act as a buffer, protecting the equipment from sudden impacts or overloads.

Despite their numerous advantages, it is essential to consider the limitations of pin couplings as well. They have lower torque capacities compared to some other coupling types, such as gear couplings or rigid couplings. Additionally, the need to replace shear pins after each failure may lead to more frequent maintenance requirements in applications with frequent overloads or misalignments.

In conclusion, pin couplings provide reliable torque transmission and safety features, making them a valuable component in various mechanical systems. Their ability to protect against overloads and accommodate misalignments makes them a practical choice in a wide range of industrial applications.

China Professional Lt9 Flexible Elastic Sleeve Dowel Pin Shaft Coupling
editor by CX 2023-09-18

China wholesaler CZPT Ltz Type Elastic Sleeve Pin Bush Coupling with Brake Wheel Transmission Couplings

Product Description

LTZ Type Flexible Pin Bush Couplings with Brake Wheel(GB/T4323-2002)

♦Description

♦Detailed Pictures

♦Product Parameter

Note:
N.m= Norminal Torque; rpm= Allowable speed of rotation; d1.d2.d3= Diameter of shaft hole; Y J J1 Z= Length of shaft hole;
Allowable compensation amount(radial, angular); kg.m²= Rotational inertia; kg= Mass
1. Short-term overload shall not exceed 2 times of norminal torque value.
2. In the table,the rotational inertia and mass of the coupling are approximate values.

♦Other Products List

Transmission Machinery Parts Name	Model
Universal Coupling	WS,WSD,WSP
Cardan Shaft	SWC,SWP,SWZ
Tooth Coupling	CL,CLZ,GCLD,GIICL, GICL,NGCL,GGCL,GCLK
Disc Coupling	JMI,JMIJ,JMII,JMIIJ
High Flexible Coupling	LM
Chain Coupling	GL
Jaw Coupling	LT
Grid Coupling	JS

♦Our Company

HangZhou CZPT Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.
Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.
Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective.

♦Our Services
1. Design Services
Our design team has experience in Cardan shafts relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2. Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→ Shipping

3. Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4. Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.

5. Quality Control
Every step should be a special test by Professional Staff according to the standard of ISO9001 and TS16949.

♦FAQ
Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks in PDF or AI format.

Q 3: How long is your delivery time?
Generally, it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra?
Yes, we could offer the sample but not for free. Actually, we have a very good price principle, when you make the bulk order the cost of the sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.

Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.

Q 7: Do you have inspection procedures for coupling?
A: 100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.

Q 9: What’s your payment?
A: T/T.

♦Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

Standard Or Nonstandard:	Nonstandard
Shaft Hole:	as Your Requirement
Torque:	as Your Requirement
Bore Diameter:	as Your Requirement
Speed:	as Your Requirement
Structure:	Flexible

Samples:	US$ 500/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

China wholesaler CZPT Ltz Type Elastic Sleeve Pin Bush Coupling with Brake Wheel Transmission Couplings

pin coupling

Are There Any Safety Considerations When Using Pin Couplings in Rotating Machinery?

Yes, there are several safety considerations to keep in mind when using pin couplings in rotating machinery. These considerations are essential to ensure the safe and efficient operation of the equipment and to protect personnel working in the vicinity. Here are some key safety points to consider:

Guarding: When installing pin couplings, it is crucial to provide adequate guarding around the coupling area. This helps prevent accidental contact with the rotating coupling components, such as pins and hubs, which could cause severe injuries.
Maintenance and Inspection: Regular maintenance and inspection of the pin coupling are vital to identify any signs of wear, misalignment, or damage. Any worn or damaged components should be replaced immediately to prevent coupling failure, which could lead to sudden equipment shutdown or safety hazards.
Proper Alignment: Ensuring precise alignment of the connected shafts is crucial to the safe operation of the pin coupling. Misalignment can lead to increased stresses and premature wear on the coupling components, resulting in potential failures.
Torque and Speed Limits: Adhering to the manufacturer’s recommended torque and speed limits for the pin coupling is essential for its safe operation. Exceeding these limits can lead to overloading and failure of the coupling.
Environmental Considerations: Take into account the operating environment when selecting a pin coupling. Extreme temperatures, corrosive atmospheres, or harsh conditions may require special materials or coatings to ensure the coupling’s integrity and prevent premature failure.
Training and Awareness: Operators and maintenance personnel should receive proper training on the safe handling, installation, and maintenance of pin couplings. Awareness of potential hazards and safety protocols is crucial for the safe use of rotating machinery.
Emergency Shutdown: Install emergency shutdown systems that can quickly stop the rotating machinery in case of any safety concerns or abnormal conditions.
Compliance with Regulations: Ensure that the use of pin couplings complies with all relevant safety and industry regulations and standards.

By taking these safety considerations into account and implementing proper safety measures, the use of pin couplings in rotating machinery can be done safely and effectively, mitigating potential risks and ensuring a safe working environment for personnel.

pin coupling

How Does a Pin Coupling Handle Angular, Parallel, and Axial Misalignment?

pin coupling

Understanding Pin Couplings and Their Functionality

How a Pin Coupling Works:

Advantages of Pin Couplings:

– Protection against Overload: The shear pins act as a safety feature, protecting the connected equipment from excessive torque and sudden shocks.

– Misalignment Tolerance: Pin couplings can accommodate a limited amount of angular misalignment between the shafts.

– Easy Replacement: After shearing, the damaged pins can be quickly replaced, reducing downtime and maintenance costs.

– Versatility: Suitable for a wide range of applications, including pumps, compressors, and other industrial machinery.

– Cost-Effective: The sacrificial pins are cost-effective components that can be easily replaced, avoiding costly repairs to the main equipment.

Limitations:

– Pin couplings have lower torque capacities compared to some other coupling types, such as gear couplings or rigid couplings.

– The need to replace the shear pins after each failure may lead to frequent maintenance requirements in applications with frequent overloads or misalignments.

China wholesaler CZPT Ltz Type Elastic Sleeve Pin Bush Coupling with Brake Wheel Transmission Couplings
editor by CX 2023-09-14

China wholesaler Frame Scaffolding Coupling Pin and Rivet

Product Description

Frame scaffolding coupling pin :

1. Coupling pin and spring clip is made of 35mm tubes and 41.27mm collar, used to connect frame scaffolds, with spring clip to lock.
2. Material: Q235
3. Surface finish: Electro galvanized
4. Package: bags and pallet
5. A full mason frame scaffod set is composed of 2 frames, 2 cross braces, 4 levelling base jacks, and 4 coupling pins (connectors)
6. Your design can be produced,too

Type	Frame scaffolding coupling pin
Material	Q235
Color	Silver or required
Surface Treatment	Electro galvanized, etc.
Advantages	Top quality, Competitive price, Timely delivery, Good Service, Standard package,
Minimum order	1 piece
Supply ability	20 containers/ month
Port	HangZhou
Currency	USD, RMB
Payment	L/C, T/T, 30% in advance
Package	Bags and Pallet
Delivery	according to quantities to be needed

Here all ranges of frame scaffolding are supplied and exported: mason frame, shoring frame, walkthrough frame, box frame, A frame, galvanized cross brace, coupling pins and spring clips, screw jacks, base plates, guard rails, all types of locks and pins. Accessories which are used for manufacturing can be supplied, too.

Order of mixed items can be accepted. OEM service is available. Contact us for latest prices.

Scaffolding coupling pins and spring clips

Material:	Steel
Type:	Fixed
Structural Style:	Multi-Pole Scaffolding
Framework:	Combined Scaffolding
Supporting Mode:	Projecting Scaffolding
Lapping Form:	Full Scaffolding

Samples:	US$ 0/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

China wholesaler Frame Scaffolding Coupling Pin and Rivet

pin coupling

What Are the Maintenance Requirements for Pin Couplings?

Pin couplings are known for their simplicity and ease of maintenance. Regular maintenance helps ensure the longevity and optimal performance of pin couplings in various mechanical systems. Here are the key maintenance requirements for pin couplings:

Lubrication: Most pin couplings require periodic lubrication to reduce friction between the pins and the coupling hubs. Lubrication helps prevent wear and corrosion, ensuring smooth operation.
Inspection: Regular visual inspections are essential to identify any signs of wear, misalignment, or damage. Inspecting the pins, coupling hubs, and surrounding components can help detect potential issues early on.
Torque Check: It is crucial to periodically check and retighten the bolts or screws that secure the coupling to the shafts. Loose fasteners can lead to misalignment and coupling failure.
Alignment: Proper shaft alignment is critical for the effective functioning of pin couplings. Regularly check and adjust the alignment if necessary to minimize wear and vibrations.
Environmental Protection: In harsh environments or corrosive conditions, take measures to protect the pin coupling from contaminants or chemicals that could cause damage.
Replacement of Worn Components: When any of the coupling components, such as pins or hubs, show signs of significant wear, they should be replaced promptly to prevent further damage.

It is important to follow the manufacturer’s maintenance guidelines and recommendations for the specific type of pin coupling used in the application. Regular maintenance not only ensures the smooth operation of the coupling but also helps prevent unexpected breakdowns and reduces the risk of costly downtime. Proper maintenance can extend the service life of pin couplings and contribute to the overall reliability of the connected equipment.

pin coupling

Can Pin Couplings Be Used for Both Motor-to-Shaft and Shaft-to-Shaft Connections?

Overall, the versatility and performance of pin couplings make them a popular choice for both motor-to-shaft and shaft-to-shaft connections in various industrial and mechanical systems.

pin coupling

Understanding Pin Couplings and Their Functionality

How a Pin Coupling Works:

Advantages of Pin Couplings:

– Protection against Overload: The shear pins act as a safety feature, protecting the connected equipment from excessive torque and sudden shocks.

– Misalignment Tolerance: Pin couplings can accommodate a limited amount of angular misalignment between the shafts.

– Easy Replacement: After shearing, the damaged pins can be quickly replaced, reducing downtime and maintenance costs.

– Versatility: Suitable for a wide range of applications, including pumps, compressors, and other industrial machinery.

– Cost-Effective: The sacrificial pins are cost-effective components that can be easily replaced, avoiding costly repairs to the main equipment.

Limitations:

– Pin couplings have lower torque capacities compared to some other coupling types, such as gear couplings or rigid couplings.

– The need to replace the shear pins after each failure may lead to frequent maintenance requirements in applications with frequent overloads or misalignments.

China wholesaler Frame Scaffolding Coupling Pin and Rivet
editor by CX 2023-09-14

China high quality FCL Couplings Flexible FCL Pin Bush Couplings for Shaft Connection

Product Description

COUPLINGS

HRC	FCL	Chain coupling	GE	L	NM	MH	Torque limiter
HRC 70B	FCL90	KC4012	GE14	L050	NM50	MH45	TL250-2
HRC 70F	FCL100	KC4014	GE19	L070	NM67	MH55	TL250-1
HRC 70H	FCL112	KC4016	GE24	L075	NM82	MH65	TL350-2
HRC 90B	FCL125	KC5014	GE28	L090	NM97	MH80	TL350-1
HRC 90F	FCL140	KC5016	GE38	L095	NM112	MH90	TL500-2
HRC 90H	FCL160	KC6018	GE42	L099	NM128	MH115	TL500-1
HRC 110B	FCL180	KC6571	GE48	L100	NM148	MH130	TL700-2
HRC 110F	FCL200	KC6571	GE55	L110	NM168	MH145	TL700-1
HRC 110H	FCL224	KC8018	GE65	L150	NM194	MH175
HRC 130B	FCL250	KC8571	GE75	L190	NM214	MH200
HRC 130F	FCL280	KC8571	GE90	L225
HRC 130H	FCL315	KC1571
HRC 150B	FCL355	KC12018
HRC 150F	FCL400	KC12571
HRC 150H	FCL450
HRC 180B	FCL560
HRC 180F	FCL630
HRC 180H
HRC 230B
HRC 230F
HRC 230H
HRC 280B
HRC 280F
HRC 280H

Catalogue

Workshop

Lots of coupling in stock

FAQ

Q1: Are you trading company or manufacturer ?
A: We are factory.

Q2: How long is your delivery time and shipment?
1.Sample Lead-times: 10-20 days.
2.Production Lead-times: 30-45 days after order confirmed.

Q3: What is your advantages?
1. The most competitive price and good quality.
2. Perfect technical engineers give you the best support.
3. OEM is available.

Standard Or Nonstandard:	Standard
Structure:	Flexible
Material:	Cast Iron
Type Name:	FCL
Origin:	Zhejiang

Customization:	Available \| Customized Request

China high quality FCL Couplings Flexible FCL Pin Bush Couplings for Shaft Connection

pin coupling

Can Pin Couplings Accommodate High Torque and High-Speed Applications?

When selecting a pin coupling for high torque and high-speed applications, it is essential to consider the following:

Design and Construction: Opt for pin couplings with a robust and well-engineered design to handle the expected torque and speed requirements.
Material: Choose pin couplings made from high-quality materials known for their strength and fatigue resistance.
Size: Select an appropriate size of pin coupling that can accommodate the torque and speed expected in the application.
Manufacturer’s Ratings: Refer to the manufacturer’s specifications and torque-speed curves to ensure the coupling meets the desired performance criteria.

pin coupling

How Does a Pin Coupling Handle Angular, Parallel, and Axial Misalignment?

pin coupling

Types of Pin Coupling Designs

Pin couplings, also known as shear pin couplings, come in various designs to suit different application requirements. The main types of pin coupling designs are as follows:

1. Single Pin Coupling: In this design, a single shear pin is used to connect the two shafts. The pin is placed in a hole that runs through both coupling halves. Under excessive torque or shock loads, the pin shears off, disconnecting the shafts and protecting the equipment from damage. Single pin couplings are commonly used in light to moderate-duty applications.
2. Double Pin Coupling: Double pin couplings use two shear pins that are positioned 180 degrees apart. This design provides increased torque capacity and improved balance compared to the single pin design. Double pin couplings are suitable for applications with higher torque requirements.
3. Triangular Pin Coupling: Triangular pin couplings use three pins arranged in a triangular pattern around the circumference of the coupling. This design offers even higher torque capacity and improved torsional stiffness. Triangular pin couplings are ideal for heavy-duty applications where higher torque and misalignment tolerance are essential.
4. Splined Pin Coupling: Splined pin couplings use splines instead of solid pins to transmit torque between the shafts. The splines provide a more secure connection and better torque transmission compared to solid pins. Splined pin couplings are commonly used in precision motion control applications.
5. Taper Pin Coupling: Taper pin couplings use tapered pins that wedge tightly into matching tapered holes in the coupling halves. This design offers excellent torque transmission and alignment capabilities. Taper pin couplings are often used in heavy machinery and power transmission systems.

Each type of pin coupling design has its advantages and limitations, and the selection depends on factors such as the application’s torque requirements, misalignment tolerance, and environmental conditions. It is essential to choose the right type of pin coupling to ensure optimal performance, reliability, and safety in the mechanical system.

China high quality FCL Couplings Flexible FCL Pin Bush Couplings for Shaft Connection
editor by CX 2023-09-13

China Hot selling FCL224 Cast Iron Flexible Coupling Elastic Sleeve Pin Couplings FCL Rubber Couplings

Product Description

Product Description

Company profile
HangZhou Terry Machinery Co.Ltd is a leading supplier of bearings, Linear motion system for CNC , Ball transfer Unit
and transmission component .the growing industrial and Favorable policy of HangZhou benefit the development of Terry
Machinery .Our products are utilized in industrial, motorcycle, vehicle and Automation applications. Now we are exporting
to 46 countries.including USA, GBR , Germany , Spain, Poland ,Turkey ect .The Goal of Terry Machinery to provide out
customers with widest range of products at competitive prices, backed with the best Service.OUR ADVANTAGE Products
Our major products & Supplied:Meet all the international standards and ISO9001 -TS1694 Certificate Big volume in Stock,
No MOQ required Personnel Our salespersons are well trained to accommodate your requests and speak English for your
conveniences.Our technicians and engineers Experience in the Industry area exceeds 23 years Service &Quality control ,
We supply detailed drawings and offer when ever necessary,We help all customers promote and improve their sales.We
inspect every piece of products by ourselves before delivery.

Customer Praise

FAQ

Material:	Cast Iron
Flexible or Rigid:	Flexible
Weight:	22kg
Length:	164mm
Outer Diameter:	224mm
Certification:	So9001/ISO9000

Samples:	US$ 125/Piece 1 Piece(Min.Order) \| Request Sample

China Hot selling FCL224 Cast Iron Flexible Coupling Elastic Sleeve Pin Couplings FCL Rubber Couplings

pin coupling

Can Pin Couplings Accommodate High Torque and High-Speed Applications?

When selecting a pin coupling for high torque and high-speed applications, it is essential to consider the following:

Design and Construction: Opt for pin couplings with a robust and well-engineered design to handle the expected torque and speed requirements.
Material: Choose pin couplings made from high-quality materials known for their strength and fatigue resistance.
Size: Select an appropriate size of pin coupling that can accommodate the torque and speed expected in the application.
Manufacturer’s Ratings: Refer to the manufacturer’s specifications and torque-speed curves to ensure the coupling meets the desired performance criteria.

pin coupling

Role of Pin Coupling in Reducing Downtime and Maintenance Costs

A pin coupling plays a crucial role in reducing downtime and maintenance costs in various mechanical systems and power transmission applications. Its design and features contribute to improved reliability and ease of maintenance, resulting in enhanced operational efficiency and cost savings. Here’s how pin couplings achieve these benefits:

1. Shock Absorption: Pin couplings are known for their ability to absorb and dampen shocks and vibrations generated during operation. By cushioning the impact of sudden loads or torque spikes, they protect the connected equipment from potential damage, reducing the frequency of unexpected breakdowns and downtime.

2. Misalignment Tolerance: Pin couplings can tolerate a certain degree of misalignment between shafts, such as angular and parallel misalignment. This flexibility allows for easier installation and alignment of equipment, saving time and effort during setup and reducing the need for precise alignment procedures.

3. Low Maintenance: Pin couplings are designed with simplicity in mind, often consisting of only two coupling halves connected by pins. This straightforward construction means fewer components that can wear out or require regular maintenance. Additionally, the flexibility of the pins helps reduce wear on the coupling and connected equipment, leading to longer maintenance intervals.

4. Easy Replacement: In the event of a failure or wear, pin couplings are relatively easy to replace compared to some other coupling types. The simplicity of their design allows for quick disassembly and reassembly, minimizing downtime during maintenance or replacement procedures.

5. Cost-Effective: The combination of low maintenance requirements and reduced downtime translates into cost savings for businesses. With fewer unexpected breakdowns and lower maintenance expenses, the overall cost of ownership for systems employing pin couplings can be more economical.

6. Reliability: Pin couplings are known for their reliability and durability. When properly selected and installed, they can provide long service life without frequent replacements, contributing to stable and consistent system performance.

By minimizing downtime, maintenance efforts, and associated costs, pin couplings are a preferred choice in various industrial applications. However, it is crucial to ensure that the pin coupling is correctly sized and installed, and regular inspections and maintenance are conducted to maximize its benefits and prevent premature failure.

pin coupling

Types of Pin Coupling Designs

Pin couplings, also known as shear pin couplings, come in various designs to suit different application requirements. The main types of pin coupling designs are as follows:

1. Single Pin Coupling: In this design, a single shear pin is used to connect the two shafts. The pin is placed in a hole that runs through both coupling halves. Under excessive torque or shock loads, the pin shears off, disconnecting the shafts and protecting the equipment from damage. Single pin couplings are commonly used in light to moderate-duty applications.
2. Double Pin Coupling: Double pin couplings use two shear pins that are positioned 180 degrees apart. This design provides increased torque capacity and improved balance compared to the single pin design. Double pin couplings are suitable for applications with higher torque requirements.
3. Triangular Pin Coupling: Triangular pin couplings use three pins arranged in a triangular pattern around the circumference of the coupling. This design offers even higher torque capacity and improved torsional stiffness. Triangular pin couplings are ideal for heavy-duty applications where higher torque and misalignment tolerance are essential.
4. Splined Pin Coupling: Splined pin couplings use splines instead of solid pins to transmit torque between the shafts. The splines provide a more secure connection and better torque transmission compared to solid pins. Splined pin couplings are commonly used in precision motion control applications.
5. Taper Pin Coupling: Taper pin couplings use tapered pins that wedge tightly into matching tapered holes in the coupling halves. This design offers excellent torque transmission and alignment capabilities. Taper pin couplings are often used in heavy machinery and power transmission systems.

China Hot selling FCL224 Cast Iron Flexible Coupling Elastic Sleeve Pin Couplings FCL Rubber Couplings
editor by CX 2023-09-13

China supplier Forging Pin Lug Coupling

Product Description

BASIC INFORMATION
ITEM	Indonesia Coupling
SIZE	1.5″/2″/2.5″/3″
TECH.	Forged
W.PRESSURE	2.5MPa(365PSI)
T. PRESSURE	4.0MPa(580PSI)
MATERIAL	Aluminum Alloy
COLOUR	Sliver/Golden/Black/Customized
BRAND	TOKAI XIHU (WEST LAKE) DIS.TA/ OEM
SERVICE	OEM/ODM
FINISH	Anodizing/Hard Anodizing
HISTORY	22years manufacturing experiences of fire fighting equipments
HS CODE	8481809000

Detailed Photos

Packaging & Shipping

Company Profile

TOKAI XIHU (WEST LAKE) DIS.TA is specialized in designing and manufacturing fire fighting equipment mainly including fire hose couplings and fittings, nozzles, fire vehicle equipment and fire hose crimping machine. We employed CNC lathe, CNC turning composite center, CNC machining center, forging equipment, heat treating facility and the latest testing equipment to improve dimensional accuracy and quality management. Given more than 20years of development, we not only have broadened the company’s product line but also have developed our capability to meet our customers’ specific requirements and offer products or services that give added value. We have passed the ISO9001:2015 Quality Management System Evaluation and got the certification of CCC. At present, our products are mainly exported to Japan, the United States, Germany, South Korea, ZheJiang , Indonesia, Thailand, Dubai and other global markets, which are highly praised by customers. In domestic market, high-end fire hose factories, fire vehicle manufacturers and the national fire team are our important strategic partners.
Adhere to the idea of forward-looking innovation, outstanding excellence, continuous improvement and sustainable management, we provide best service to clients. The most important purpose of our company is to ensure that our products have excellent quality, on time delivery with competitive price. We will take it as our duty to create most valuable brand in high-end fire hose couplings. Let’s join hands and work together to build a prosperous future!

Certifications

Our Advantages

Shipping Cost: Estimated freight per unit.	To be negotiated

Certification:	CCCF, CCC, ISO9001
Surface Treatment:	Anodizing
Material:	Aluminum Alloy

Samples:	US$ 10/Piece 1 Piece(Min.Order) \| Order Sample

Customization:	Available \| Customized Request

China supplier Forging Pin Lug Coupling

pin coupling

How Do Pin Couplings Compare to Other Types of Couplings in Terms of Performance?

Pin couplings offer certain advantages and disadvantages compared to other types of couplings, and their performance characteristics can vary depending on the specific application requirements. Below is a comparison of pin couplings with some commonly used couplings:

1. Gear Couplings:

Flexibility: Gear couplings are more rigid than pin couplings and may not offer the same level of misalignment capacity.
Torsional Stiffness: Gear couplings provide higher torsional stiffness, making them suitable for applications requiring precise torque transmission.
Shock Absorption: Gear couplings can handle higher shock loads due to their robust design and greater stiffness.
Maintenance: Gear couplings may require periodic lubrication and maintenance compared to maintenance-free pin couplings.
Applications: Gear couplings are commonly used in heavy-duty and high-torque applications where precise torque transmission is essential.

2. Flexible (Elastomeric) Couplings:

Flexibility: Elastomeric couplings offer higher misalignment capacity than pin couplings and can handle angular, parallel, and axial misalignment.
Shock Absorption: Elastomeric couplings provide excellent shock absorption, damping vibrations, and protecting connected equipment.
Torsional Stiffness: Elastomeric couplings have lower torsional stiffness compared to pin couplings, making them more forgiving in high shock load applications.
Installation: Elastomeric couplings are easy to install and require no lubrication, making them maintenance-free.
Applications: Elastomeric couplings are commonly used in pumps, compressors, and other machinery where vibration isolation is crucial.

3. Rigid Couplings:

Torsional Stiffness: Rigid couplings provide high torsional stiffness, ensuring accurate torque transmission.
Misalignment Capacity: Rigid couplings have little to no misalignment capacity and require precise shaft alignment.
Applications: Rigid couplings are used in applications where precise alignment is essential, such as shaft-to-shaft connections in high-precision systems.

Conclusion:

Pin couplings strike a balance between flexibility and torsional stiffness, making them suitable for applications with moderate misalignment and shock loads. They are often used in general industrial applications, conveyors, and light to medium-duty machinery.

When selecting a coupling for a specific application, it is crucial to consider factors such as misalignment requirements, shock and vibration loads, torsional stiffness, maintenance needs, and the level of precision required. Each coupling type has its strengths and weaknesses, and the appropriate choice will depend on the specific demands of the application.

pin coupling

How Does a Pin Coupling Handle Angular, Parallel, and Axial Misalignment?

pin coupling

Can Pin Couplings Handle Misalignment Between Shafts?

Yes, pin couplings are designed to accommodate a certain degree of misalignment between shafts in rotating machinery. They are considered flexible couplings, which means they can provide some degree of angular, parallel, and axial misalignment capability.

Pin couplings typically consist of two hubs, each connected to a shaft, and a central sleeve with pins that transmit torque between the hubs. The pins allow for a limited range of movement, which helps to compensate for slight misalignments between the shafts.

The angular misalignment capacity of a pin coupling is achieved through the bending of the pins. When the shafts are misaligned at an angle, the pins on one side of the coupling experience bending while those on the opposite side are in tension. The pins are designed to withstand these bending and tension forces within their elastic limits, ensuring proper functioning and longevity of the coupling.

Similarly, the pins can accommodate parallel misalignment by sliding within the pin holes of the coupling’s central sleeve. This sliding action allows the hubs to move slightly relative to each other, compensating for any offset between the shafts.

However, it is essential to note that pin couplings have limitations in terms of the amount of misalignment they can handle. Excessive misalignment beyond their specified limits can lead to increased wear on the pins and other coupling components, reducing the coupling’s effectiveness and potentially causing premature failure.

While pin couplings are suitable for applications with moderate misalignment requirements, they may not be the best choice for applications with significant misalignment or where precise alignment is critical. In such cases, more flexible couplings like gear or elastomeric couplings may be more appropriate.

Overall, when considering the use of pin couplings, it is essential to carefully evaluate the specific misalignment requirements of the application and select a coupling that can adequately accommodate those misalignments while ensuring reliable and efficient power transmission.

China supplier Forging Pin Lug Coupling
editor by CX 2023-09-12

China supplier China Manufacturel Stable Production Pin Lug Coupling Cast Brass Value

Product Description

ZYfire Hose Corporation, founded in 2000, we research and produce Lay flat frac hose, fire hose, rack hose, industrial hose, forestry hose, snow-making hose, irrigation hose, drag hose, potable water hose, No-dig pipe rehabilitation liner, TPR layflat hose, hose couplings, landing valves and other fire fighting equipments.

ZYFIRE landing valve is certified by EN671.
MATERIALS
BODY: Cast brass
HAND WHEEL: Aluminum
To select the proper replacement hand wheel. You must know the manufacturer of the valve.
The manufacturer’s name is stamped on the valve’s body.
RATINGS:
PRESSURE MAXIMUM: 300 psi
THREADS FEMALE: 1 1/2″ NPT 1 1/2″NPT

Main Products

Company Profile

FAQ

Certification:	CE
Surface Treatment:	Epoxy Painting
Material:	Brass
Application:	Fire Fighting
Transport Package:	Carton, Pallet
Specification:	valve

Samples:	US$ 1/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

China supplier China Manufacturel Stable Production Pin Lug Coupling Cast Brass Value

pin coupling

Can Pin Couplings Be Used in Both Horizontal and Vertical Shaft Arrangements?

pin coupling

Impact of Pin Coupling on the Overall Reliability of Connected Equipment

A pin coupling plays a crucial role in enhancing the overall reliability and performance of connected equipment in various industrial applications. Its design and construction contribute to several factors that influence reliability:

1. Torque Transmission: Pin couplings efficiently transmit torque between the driving and driven shafts, ensuring smooth power transfer without slippage or loss. This consistent torque transmission helps maintain the stability and reliability of the system during operation.

2. Misalignment Compensation: Pin couplings are designed to accommodate small amounts of angular, parallel, and axial misalignment between shafts. By tolerating misalignment, the coupling reduces stress on connected equipment, bearings, and seals, thereby enhancing reliability and extending the service life of these components.

3. Shock and Vibration Absorption: In applications with dynamic loads, such as pumps, compressors, and heavy machinery, pin couplings help dampen shock and vibrations. By absorbing and reducing these impact forces, the coupling minimizes stress on the system and prevents premature component failure.

4. Simplified Maintenance: Pin couplings generally have a simple design, making them easy to install and maintain. The ease of maintenance ensures that the coupling can be regularly inspected, lubricated, and replaced when necessary, reducing downtime and increasing the overall reliability of the equipment.

5. Corrosion Resistance: Depending on the materials used, pin couplings can be highly resistant to corrosion, making them suitable for use in harsh or corrosive environments. This corrosion resistance prevents degradation of the coupling and its components, enhancing reliability and longevity.

6. Enhanced Durability: High-quality pin couplings are manufactured from robust materials and undergo precise machining processes. These attributes contribute to the coupling’s durability, allowing it to withstand heavy loads and harsh conditions over an extended period.

7. Balanced Design: The design of a pin coupling ensures that the load is evenly distributed between the driving and driven shafts. This balanced load distribution reduces stress concentrations, minimizes wear, and increases the reliability of connected equipment.

8. Compliance with Standards: Reputable pin coupling manufacturers ensure their products comply with industry standards and regulations. Meeting these standards ensures that the coupling is designed and manufactured to specific quality criteria, enhancing reliability and safety.

Overall, a well-selected and properly installed pin coupling can significantly improve the reliability and performance of connected equipment. It helps prevent unexpected failures, reduces downtime, and contributes to the overall efficiency of industrial processes.

pin coupling

Limitations and Disadvantages of Using Pin Couplings

While pin couplings offer various advantages and are suitable for many applications, they also have some limitations and disadvantages to consider:

Misalignment Restrictions: Pin couplings can accommodate a certain degree of misalignment, but excessive misalignment can lead to increased wear and stress on the coupling components. They are not as effective at handling large angular or parallel misalignments compared to other flexible couplings like gear or elastomeric couplings.
Less Damping Capacity: Pin couplings have limited damping capacity, which means they may not effectively absorb and reduce vibrations in the system. In applications where vibration damping is critical, elastomeric or flexible couplings may be more suitable.
Noisy Operation: The rigid nature of pin couplings can lead to increased noise during operation, especially at high speeds or in applications with significant misalignment. This noise can be a concern in environments where noise levels need to be minimized.
Higher Maintenance: Compared to maintenance-free couplings like certain types of elastomeric couplings, pin couplings may require more frequent inspection and maintenance. The pins and other components may experience wear over time and need replacement.
Environmental Limitations: Some pin couplings may not be suitable for use in corrosive or high-temperature environments, depending on the materials used. Stainless steel or other corrosion-resistant materials can help mitigate this limitation.
Size and Weight: In certain applications, the size and weight of pin couplings may be larger and heavier compared to other types of couplings. This can be a consideration in applications where weight is a concern or space is limited.

Despite these limitations, pin couplings remain a popular choice for many applications where their advantages, such as simplicity, durability, and cost-effectiveness, outweigh their disadvantages. It is crucial to carefully assess the specific requirements of the application and consider factors like misalignment, vibration, maintenance needs, and environmental conditions when selecting a coupling type.

China supplier China Manufacturel Stable Production Pin Lug Coupling Cast Brass Value
editor by CX 2023-09-12