Product Description

Product Description

Bearing Pin Coupling Rubber-Cushioned Elastic Sleeves
The elastomer insert is equalizing element of coupling. It transmits torque without backlash or vibration. The elastomer insert defines the characteristics of the entire drive system. Backlash is eliminated by the press fit of the elastomer into the hubs. Through variation of the shore hardness of the elastomer insert, the coupling system can be optimized for the ideal torsional characteristics.

LT Pin Coupling Elastic Sleeve (Smooth Bushing)

Part No.	Specification			Ref. Picture
	d	D	L
LT-8	8	16	10
LT-10	10	19	15
LT-12	12	24	28
LT-14	14	26	28
LT-18	18	35	36
LT-24	24	45	44
LT-30	30	56	56
LT-38	38	71	72
LT-45	45	85	88

ZT Pin Coupling Elastic Sleeve (Four Component Combined Elastic Sleeve)

Part No.	d	D	L	Ref. Picture
ZT-8	8	16	10
ZT-10	10	19	15
ZT-14	14	28	27
ZT-18	18	36	35
ZT-24	24	45	44
ZT-30	30	56	55
ZT-38	38	71	72
ZT-45	45	85	88

 

 

FT Pin Coupling Elastic Sleeve Ring (Splited Elastic Ring Gasket)

Part No.	d	D	L	Ref. Picture
FT-10	10	20	7
FT-12	12	24	7
FT-14	14	28	7
FT-14	14	29	7
FT-18	18	36	9
FT-18	18	38	9
FT-24	24	45	11
FT-24	24	48	11
FT-28	28	56	15
FT-30	30	56	15
FT-30	30	62	14
FT-38	38	71	18
FT-45	45	91	22
FT-45	45	85	23

Bearing Pin Coupling Rubber-Cushioned Elastic Sleeves

More Products:

Various types of couplings rubber elastomer models are as follows:

MT rubber coupling (MT1-MT13),

GR rubber coupling (GR10-GR180),

GS rubber coupling (GS7-GS90),

T Hexagon back wheel coupling (hexagonal elasticity pad T70 ~ 210).,

the fluid coupling (YOX),

L-type claw coupling hexagonal coupling (L35-L276),

H-type elastic block (H80-H350),

NM couplings elastomer (NM50 -NM214).

HRC Coupling elastomer (HRC60-HRC280).

Gear Sleeve Rubber Coupling Elastomer cushion (gear 4J-10J).

NL inner tooth gear coupling sleeve (NL1-NL10).

Oldham and non-standard high strength Spider rubber coupling. 

Main Products:

custom couplings Plum pad, HRC couplings, Martin couplings, HRC couplings supply elastomer, HRC couplings elastic block, Gear Sleeve Rubber Coupling Elastomer, block rubber supply couplings, coupling rubber parts, coupling is rubber body, ZheJiang custom rubber gear coupling, screw compressor couplings, rubber supply gear couplings, Atlas coupling, screw compressor coupling, ZheJiang  wholesale production of polyurethane gear, supply H-linking couplings, H-shaped elastic block coupling, H-type coupling rubber elastomer blocks

Please inquire us if you need Rubber Coupling Elastomer and other types couplings inserts.

Different  Types  Of  Hydraulic  Seals
Application	Type	Material
Rod Seals	UN	TPU(PU,Polyurethane)
	UNS	TPU(PU,Polyurethane)
	UHS	TPU(PU,Polyurethane)
	IDU	TPU(PU,Polyurethane)
	U+S	PU+NBR
	UPH	NBR & FKM
	Step Seal	NBR+PTFE
	VES	Rubber+Fabric
	IDI	PU
	ISI	PU
Piston Seals	SPG	NBR+PTFE
	SPGW	NBR+PTFE
	SPGO	NBR+PTFE
	KDAS	NBR+PU+POM
	ODI	PU
	OSI	PU
	ODU	PU
Dust Wiper Seals	DH/DHS	PU
	LBH	NBR & FKM
	J/JA	PU
	DKB	NBR & FKM +Metal
	DKBI	PU+Metal
	DSI	PU
Wear Ring	WR	Phenolic Fabric
	Xihu (West Lake) Dis. Tape	PTFE
	Xihu (West Lake) Dis. Tape	Phenolic Fabric
Buffer Seal	HBY	PU+Nylon
Back-up Ring	O-Ring	NBR & FKM
	X-Ring	NBR & FKM
	PTFE Washer	PTFE

Bearing Pin Coupling Rubber-Cushioned Elastic Sleeves

Different   Type   Rotary   Shaft   Oil   Seal
Type	Material	Lip	Spring	Feature
TC	NBR & FKM	Double Lips	Single	Metal Coverd Rubber
TB	NBR	Double Lips	Single	Metal Case
TA	NBR	Double Lips	Single	Metal Case
SC	NBR & FKM	Single	Single	Double Metal Shell
SB	NBR	Single	Single	Metal Case
SA	NBR	Single	Single	Double Metal Shell
DC	NBR	Double Lips	Double	Double Springs
VC	NBR & FKM	Single	Without	Metal Coverd Rubber
VB	NBR	Single	Without	Metal Case
TCV	NBR	Double Lips	Single	High Pressure
TCN	NBR	Double Lips	Single	High Pressure
PTFE	PTFE	Single & Double Lips	Without	Stainless steel
HTCL	NBR & FKM	Double Lips	Single	Inside thread L
HTCR	NBR & FKM	Double Lips	Single	Inside thread R
…………………………………………………………………………………………… More types please contact us.  Customization is welcome.

Related Products

Bearing Pin Coupling Rubber-Cushioned Elastic Sleeves
Oil seals serve to prevent the leakage not only of lubricants, but also water, chemicals, and gas from “gaps” in machinery. Oil seals also serve to prevent the intrusion of dust, soil and sand from the outside air.

Company Profile

HangZhou CHINAMFG Sealing Sci-Tech Co.Ltd. is a scientific and technological production enterprise integrating R&D, production and sales. Our production plant covers an area of about 2,000 square CHINAMFG and has 150 employees.

QMS (Quality Management System):
ISO9001, ISO/TS16949

Our Products: 
O Ring, Oil Seal, Hydraulic & Pneumatic Seal, Custom CHINAMFG Parts

Production Standard: 
ASTMD2000

Product Application Scope:
Engineering machinery, hydraulic pneumatic, petroleum and natural gas, automobile seals, valves and pipelines, electronic home appliances, food grade, electric power, chemical industry, coal mine, metallurgy, engineering shield machine and other industries, supporting domestic automobile and machinery manufacturers.

We had sell to:  
More than 40 countries including the United States, Germany, Japan, Britain, Italy, Spain, Russia, Canada, Australia, Malaysia, Philippines, Indonesia, Mexico, Brazil, Peru, Chile, Argentina, Israel, Saudi Arabia, Lebanon, Ukraine, Pakistan, Thailand, Vietnam, etc. 

Packaging & Shipping

Bearing Pin Coupling Rubber-Cushioned Elastic Sleeves
Ship by express, by air, by sea at buyer’s option.
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FAQ

Q 1. What’s the payment term?
A: We accept T/T 50% deposit and 50% balance against copy of B/L or L/C at sight, West Union,VISA,Paypal is also accepted. rubber oil seal tc oil seal rubber seal manufacturer oil seal tc nbr oil seal tc oil seal fkm oil seal china manufacturer oil seal tc oil seal nbr tc oil seal fkm tc oil seal manufacturer
Q 2. What is the normal lead time for product orders?
A: Generally it is 1-2 days if the goods are in stock. or it is 5-10 days if the goods are not in stock, it is according to quantity.tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal

 tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture

 Q 3. What is your standard packing?
A: All the goods will be packed by carton box and loaded with pallets. Special packing method can be accepted when needed.rubber oil seal tc oil seal rubber seal manufacturer oil seal tc nbr oil seal tc oil seal fkm oil seal china manufacturer oil seal tc oil seal nbr tc oil seal fkm tc oil seal manufacturer

Q 4. Could you please tell us the month capacity of your products ?
A: It depends on which model, we produce more than 2500 tons rubber materials per month.

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Q 5. what kind of certificates you have ?
A1: We have been ISO9001:2008 and ISO14001:2004 certified by SGS since 2015.
A2: We have various rubber compounds approved by ROHS and REACH.

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Q6: How to check the quality of the bulk order?
A1: We provide preproduction samples before mass production for all customers if needed.
A2: We accept third party inspection such as TUV, INTERTEK, BV, etc.

tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture
Q 7: Do you use any international standards for the rubber products?
A: Yes, we mainly use ASTM D2000 standard to define the quality of the rubber materials, tolerances as per ISO3302, ISO2768, etc.rubber oil seal tc oil seal rubber seal manufacturer oil seal tc nbr oil seal tc oil seal fkm oil seal china manufacturer oil seal tc oil seal nbr tc oil seal fkm tc oil seal manufacturer

Q8: What materials are available to produce from your side?
A: NBR, EPDM, SILICONE, FPM(FKM), NEOPRENE(CR), NR, IIR, SBR, ACM, AEM, Fluorosilicone(FVMQ), FFKM, Liquid Silicone, Sponge, etc. tc oi
l seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture

Q9: Do you provide maintenance on tooling?
A: We maintain all tooling and will replace as needed.tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture

Q10: How many empolyees you have?
A:We have 150 empolyees at time of December 2571. tc oil seal tc oil seal nbr tc oil seal nbr rubber oil seal fkm oil seal fkm rubber oil seal manufacture china oil seal manufacture

If you have any other question, please don’t hesitate to contact us:

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How do Sleeve Couplings Contribute to Reducing Vibrations and Noise in Rotating Equipment?

Sleeve couplings play a significant role in reducing vibrations and noise in rotating equipment. Their design and material properties contribute to damping vibrations and absorbing shocks, resulting in smoother and quieter operation. Here’s how sleeve couplings achieve this:

1. Flexibility and Misalignment Compensation:

Sleeve couplings have a certain degree of flexibility, which allows them to accommodate small misalignments between the connected shafts. When the shafts are misaligned, the sleeve coupling can flex and adjust, reducing the transmission of vibrations from one shaft to the other. By compensating for misalignments, sleeve couplings minimize the generation of vibrations and the resulting noise.

2. Shock Absorption:

During sudden starts, stops, or changes in load, rotating equipment can experience shocks and impact loads. Sleeve couplings have some level of shock absorption capability, which helps dampen the effects of these shocks. By absorbing shocks, sleeve couplings prevent the transmission of high-frequency vibrations and noise to the rest of the system, resulting in a quieter operation.

3. Resilient Material Selection:

The choice of materials used in sleeve couplings also contributes to vibration and noise reduction. Certain materials, such as rubber or elastomers, are known for their damping properties. These materials can be incorporated into the design of sleeve couplings to absorb and dissipate vibrations, effectively reducing noise levels in the system.

4. Uniform Torque Transmission:

Sleeve couplings provide uniform torque transmission between the connected shafts. This balanced torque transmission minimizes torsional vibrations, which can lead to noise generation in the system. By maintaining a smooth torque transfer, sleeve couplings help achieve quieter and more stable operation.

5. Proper Installation and Maintenance:

Proper installation and regular maintenance of sleeve couplings are essential for their optimal performance in reducing vibrations and noise. Ensuring that the coupling is correctly aligned and well-lubricated can further enhance its ability to dampen vibrations and minimize noise levels.

In summary, sleeve couplings contribute to reducing vibrations and noise in rotating equipment by providing flexibility to accommodate misalignments, absorbing shocks, using resilient materials, and ensuring uniform torque transmission. Their ability to mitigate vibrations and noise enhances the overall performance and reliability of the rotating equipment, making them a preferred choice in various industrial applications.

What are some Real-world Examples of Successful Sleeve Coupling Installations and their Benefits?

There are numerous real-world examples of successful sleeve coupling installations in various industries, each demonstrating the benefits of using these couplings in different applications. Here are some examples:

• Pump Systems: Sleeve couplings are commonly used in pump systems to connect the motor shaft to the pump impeller. The simplicity and ease of installation of sleeve couplings make them a popular choice in this application. Benefits include reliable power transmission, easy maintenance, and cost-effectiveness.
• Conveyor Systems: In conveyor systems, sleeve couplings are used to connect the conveyor motor to the driving pulley shaft. The ability to accommodate misalignment and the low maintenance requirements of sleeve couplings contribute to the smooth operation and long service life of these systems.
• Automation Machinery: Sleeve couplings play a crucial role in various automation machinery, such as robotics and CNC machines. Their compact design and torsional flexibility ensure precise motion control and efficient power transmission.
• Industrial Mixers and Agitators: Sleeve couplings are used in mixers and agitators to connect the motor shaft to the mixing impeller or agitator. The ability to handle misalignment and dampen vibrations helps improve the equipment’s performance and reliability.
• Machine Tools: In machine tools, such as lathes and milling machines, sleeve couplings are utilized for connecting the motor to the tool’s spindle. The backlash-free characteristics of some sleeve couplings contribute to the precision and accuracy of machining operations.
• Automotive Industry: In the automotive industry, sleeve couplings are used in various components, such as windshield wipers, power windows, and power seats. Their compact size and ease of installation make them suitable for these automotive applications.
• Printing Equipment: Sleeve couplings are commonly used in printing presses to connect the motor to various rollers and cylinders. The simple design and reliable performance of sleeve couplings contribute to the efficiency of printing processes.

The benefits of sleeve couplings in these real-world examples include:

• Easy Installation: Sleeve couplings are easy to install, reducing downtime during equipment assembly or maintenance.
• Misalignment Compensation: Sleeve couplings can accommodate minor misalignments, reducing the risk of shaft damage and increasing the equipment’s lifespan.
• Vibration Damping: Sleeve couplings dampen vibrations and shocks, minimizing stress on connected components and extending their service life.
• Cost-effectiveness: Sleeve couplings offer a cost-effective solution for many power transmission applications, making them a popular choice in various industries.
• Low Maintenance: Sleeve couplings require minimal maintenance, leading to reduced operating costs and increased productivity.
• Torsional Flexibility: The torsional flexibility of sleeve couplings allows for smooth power transmission, reducing the risk of equipment damage due to sudden torque spikes.

These real-world examples demonstrate how sleeve couplings contribute to the efficiency, reliability, and performance of diverse mechanical systems in numerous industrial settings.

Key Design Considerations for Using Sleeve Couplings in Motion Control Systems

When incorporating sleeve couplings into motion control systems, several important design considerations should be taken into account to ensure optimal performance and reliability:

• Shaft Alignment: Proper shaft alignment is crucial for sleeve couplings to function effectively. Misalignment can lead to increased wear, vibration, and reduced efficiency. Ensuring the shafts are aligned within acceptable tolerances will maximize the coupling’s performance and lifespan.
• Torque and Speed Ratings: Evaluate the motion control system’s torque and speed requirements to select a sleeve coupling that can handle the specified loads. Overloading the coupling can cause premature failure and compromise system performance.
• Shaft Size and Fit: Ensure the sleeve coupling’s inner diameter matches the shafts’ outer diameter accurately. An improper fit may result in slippage or decreased torque transmission. The sleeve coupling’s size and fit should be carefully checked during installation.
• Environmental Conditions: Consider the operating environment’s temperature, humidity, and exposure to dust or corrosive substances. Choose a sleeve coupling material that can withstand these conditions and resist degradation over time.
• Dynamic Balance: Sleeve couplings should be dynamically balanced to minimize vibration during operation. Unbalanced couplings can lead to increased stress on connected equipment and may cause premature wear and failure.
• Operating Speed: Be mindful of the motion control system’s operating speed. At high speeds, centrifugal forces may come into play, affecting the coupling’s performance. In such cases, using a flanged sleeve coupling or other high-speed coupling types may be more suitable.
• Installation and Maintenance: Follow proper installation procedures to ensure the coupling is securely and accurately mounted on the shafts. Routine maintenance should also be performed to check for signs of wear, misalignment, or other issues that might affect the coupling’s performance.
• Resonance and Damping: Consider the system’s natural frequencies and possible resonance points. Sleeve couplings offer some vibration damping characteristics, but additional measures like tuning and damping elements may be required to avoid resonance issues.
• System Flexibility: Sleeve couplings offer flexibility to accommodate minor misalignments, but the system’s overall flexibility should be assessed to ensure the coupling’s compensation capabilities do not lead to excessive flexing or bending of other components.

By carefully addressing these design considerations, motion control systems can benefit from the advantages of sleeve couplings, such as simplicity, cost-effectiveness, and misalignment compensation. Ensuring proper selection, installation, and maintenance will contribute to smooth and efficient power transmission, leading to reliable and precise motion control performance.

editor by CX 2024-03-08