Product Description

Product Description

LT/ZT/FT Pin Coupling PU Rubber Elastic Sleeve
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

LT/ZT/FT Pin Coupling PU Rubber Elastic Sleeve

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

LT/ZT/FT Pin Coupling PU Rubber Elastic Sleeve

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

LT/ZT/FT Pin Coupling PU Rubber Elastic Sleeve
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

LT/ZT/FT Pin Coupling PU Rubber Elastic Sleeve
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.

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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
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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:

LT/ZT/FT Pin Coupling PU Rubber Elastic Sleeve

sleeve coupling

What are the Maintenance Requirements for Sleeve Couplings to Ensure Optimal Performance?

Proper maintenance is essential to ensure the optimal performance and longevity of sleeve couplings. Regular inspections and maintenance practices help identify early signs of wear, misalignment, or other issues that may affect the coupling’s performance. Here are some maintenance requirements for sleeve couplings:

1. Regular Visual Inspections:

Perform visual inspections of the sleeve coupling regularly. Look for signs of wear, corrosion, or damage on the coupling surface. Check for any visible misalignment between the shafts connected by the coupling.

2. Lubrication:

Some sleeve couplings may require lubrication to reduce friction and wear. Check the manufacturer’s recommendations for the appropriate lubricant and lubrication interval.

3. Check for Misalignment:

Monitor the shaft alignment periodically to ensure that the coupling is not subjected to excessive misalignment. Misalignment can lead to premature wear and failure of the coupling and connected equipment.

4. Inspect Fasteners:

Check any fasteners, such as set screws or clamps, that secure the sleeve coupling to the shafts. Ensure they are tight and secure to prevent any slipping or movement.

5. Evaluate Operating Conditions:

Assess the operating conditions of the motion control system regularly. Consider factors such as temperature, humidity, vibration, and exposure to corrosive substances. Make necessary adjustments or upgrades to protect the sleeve coupling from adverse conditions.

6. Balance the Coupling:

If the coupling operates at high speeds, balancing may be necessary to prevent excessive vibration and ensure smooth performance. Consider dynamic balancing for high-speed applications.

7. Replace Worn or Damaged Couplings:

If visual inspections reveal signs of significant wear, damage, or deformation, it is essential to replace the sleeve coupling promptly. Continuing to use a damaged coupling can lead to further issues and compromise system performance.

8. Follow Manufacturer’s Guidelines:

Always follow the manufacturer’s maintenance guidelines and recommendations specific to the sleeve coupling model. Adhering to these guidelines will ensure that the coupling performs as intended and maintains its service life.

9. Record Keeping:

Keep records of maintenance activities and inspections for each sleeve coupling in the system. This recordkeeping will help track the coupling’s performance over time and identify any recurring issues.

By following these maintenance requirements, motion control systems can maintain the optimal performance of sleeve couplings, minimize downtime, and extend the life of both the coupling and connected equipment.

sleeve coupling

Can Sleeve Couplings be Customized or Adapted to Specific Industrial Needs?

Yes, sleeve couplings can be customized or adapted to meet specific industrial needs. Manufacturers often offer a range of customization options to tailor sleeve couplings to the unique requirements of different applications. The ability to customize sleeve couplings makes them versatile and widely used in various industries. Here are some common ways in which sleeve couplings can be customized:

  • Shaft Size: Sleeve couplings can be manufactured to fit specific shaft diameters. This customization ensures a precise fit, minimizing the need for additional modifications during installation.
  • Material Selection: Depending on the application’s environmental conditions and torque requirements, sleeve couplings can be made from different materials, such as steel, stainless steel, aluminum, or even non-metallic materials like composites or plastics.
  • Keyway Options: Some applications may require keyways to provide additional torque transmission and anti-rotation capabilities. Customized sleeve couplings can be manufactured with keyways that match the shaft’s keyway dimensions.
  • Length and Diameter: The coupling length and overall diameter can be adjusted to suit the available space and installation requirements of the specific application.
  • Electrically Insulated: As mentioned earlier, for applications requiring electrical insulation between shafts, manufacturers can produce electrically insulated sleeve couplings using non-conductive materials like ceramic or composite.
  • Special Environmental Coatings: In harsh environments or corrosive conditions, sleeve couplings can be coated with specialized materials to enhance corrosion resistance and extend the coupling’s service life.
  • Anti-Backlash Features: For precision applications, custom sleeve couplings can be designed with anti-backlash features to reduce play and enhance accuracy.
  • High-Temperature Performance: Some applications involve high temperatures. In such cases, manufacturers can use materials that can withstand elevated temperatures without compromising the coupling’s performance.

When considering customization, it’s essential to collaborate closely with coupling manufacturers or engineering experts who have experience in designing and fabricating custom sleeve couplings. They can offer valuable insights and guidance to ensure the coupling meets the specific industrial needs and performs optimally in the intended application.

By offering a wide range of customization options, sleeve couplings can be adapted to various industries, including robotics, automation, machinery, pumps, conveyors, and more.

sleeve coupling

How do Sleeve Couplings Handle Misalignment and Shaft Movement during Operation?

Sleeve couplings are designed to accommodate minor misalignments and shaft movement, making them flexible and versatile in various applications. Here’s how sleeve couplings handle misalignment and shaft movement during operation:

Misalignment Compensation:

When two shafts are connected by a sleeve coupling, perfect alignment is challenging to achieve, especially in dynamic systems subject to vibrations or thermal expansion. Sleeve couplings are forgiving in this aspect and can tolerate slight angular and axial misalignments between the shafts.

The sleeve coupling’s cylindrical shape allows it to bend slightly when subjected to misaligned forces. As a result, the coupling can flex and adjust to accommodate the angular and axial misalignments without causing excessive stress on the connected machinery.

Shaft Movement:

During operation, shafts in a motion control system may experience movement due to factors such as thermal expansion, vibrations, or changing loads. Sleeve couplings are inherently flexible, which enables them to cope with the movement of the connected shafts.

If one or both shafts move laterally or axially, the sleeve coupling can flex and elongate slightly to follow the movement without causing damage or disconnection. This flexibility ensures that the torque transmission remains smooth and uninterrupted, even when the shafts undergo changes in position or length.

It is essential to note that sleeve couplings have limitations in their misalignment compensation capabilities. They are best suited for applications with relatively small misalignments and moderate torque requirements. If the misalignment is excessive or the system demands precise shaft alignment, alternative coupling types with specific misalignment compensation features may be more appropriate.

Advantages of Misalignment Compensation:

The ability of sleeve couplings to handle misalignment and shaft movement offers several advantages:

  • Reduced Stress on Equipment: By accommodating misalignment, sleeve couplings reduce the stress transferred to connected machinery and prevent premature wear or damage to the components.
  • Vibration Damping: The flexible nature of sleeve couplings helps dampen vibrations caused by misalignment or external factors, leading to smoother operation and increased equipment lifespan.
  • Less Maintenance: Properly installed sleeve couplings with misalignment compensation can result in reduced maintenance requirements, as they can tolerate minor shifts in the shafts without compromising performance.
  • Cost-Effectiveness: Sleeve couplings offer a cost-effective solution for motion control systems that have acceptable levels of misalignment. Their simple design and materials make them economical for a wide range of applications.

In summary, sleeve couplings provide a reliable and economical solution for power transmission in motion control systems. Their ability to handle misalignment and shaft movement makes them suitable for various industrial applications where precise shaft alignment is not critical. However, it is essential to consider the specific requirements of the application and evaluate the level of misalignment before selecting sleeve couplings for optimal performance and longevity.

China Good quality Lt/Zt/FT Pin Coupling PU Rubber Elastic Sleeve  China Good quality Lt/Zt/FT Pin Coupling PU Rubber Elastic Sleeve
editor by CX 2023-11-21