Product Description

Car Industry

LTR is an expert in manufacturing all kinds of components for the automotive and motorcycle industry. We are IATF16949:2016 certified in order to fully satisfy the requirements of this industry.
Our production includes O rings, gaskets, seals, grommets, bellows, shock absorbers, dampers, cushions, sleeves, isolators, couplings, bushings, boots, covers, bumpers, pipes, hoses, tubes and many other pieces which are mainly manufactured in ACM, AEM, BR, CR, ECO, EPDM, FKM, FVMQ, HNBR, NBR, NR, SBR, SIR to meet the physical properties specified by ASTM D2000 and SAE J200 documents.
Products above are only examples to show Shun Tai Rubber’s core competences. All our rubber components are customised and made to order only. No standard product or catalogue is available.

Technical data

 

Compound:                                                                                  Colour:

Base Polymer:                                                                             Specification:

MAIN SPECIFICATION

MEASURE UNITS

REQUIRED VALUE

TESTED VALUE

TEST METHOD

HARDNESS

Sh-A

70+/-5

69

ASTM D2240

SPECIFIC GRAVITY

g/mm^3

\

1.176

TENSILE STRENGTH

Mpa

\

8.62

ASTM D412

ELONGATION

%

\

628.11

ASTM D412

Tear Strength

kg/cm

\

27.38

ASTM  D624

SPECIFICATION CHANGE

TEST MEANS

TIME h

TEMP ºC

HARDNESS

TENSILE STRENGTH

ELONG.AT BREAK

VOLUME

WEIGHT

required   test

required test

△ SHORE A

%

%

△%

△%

Products above are only examples to show Shui Tai Rubber’s core competences. All our rubber components are customized and made to order only.No standard product or catalogue is available.

Company Profile

We are a specialized rubber parts manufacturer with over 30 years of manufacturing experience. Our company mainly produces rubber parts for medical appliances, household appliances, electronic products, automobiles and toys.

Covering an area of 3500 square meters, we own over 200 staff and workers and our monthly production output reaches 30 tons.We have always stuck to the quality policy that customer is No.1 and quality comes first with scientific management, continuous improvement and sustained operation.

We insist in providing our clients with perfect products and best services. The products we produced can work in different areas and climates according to your specific requirements. We believe with stable and sincere cooperation and continuous improvement, our customers will enjoy the best service as stable supply, quality assurance and on-time delivery.

Products & Application

Production Flow Chart
Manufacturing Capabilities&Quality Control

FAQ

Q: Are you trading company or manufacturer ?
A: We are manufacturer.
Q: How long is your delivery time?
A: Generally 3-7 days for standard sealing products; and 15-30 days for big order and custom non-standard products.
Q: Do you provide free samples? 
A: Yes, we offer free sample while customer need pay for the freight charge.
Q: Which Payment way is workable?
A: Irrevocable L/C, Cash, PayPal, Credit card and T/T money transfers.
B: 30% T/T deposit in advance, 70% balance before shipment after presentation of ready cargo.
C: L/C ( Irrevocable LC at sight: Order amount over USD100,000)
Q: 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.
Q: How to select the raw compound for my application?
A: With years of experience working with a variety of material, we can help select the material that will best suit your needs while keeping material costs in mind.
Q: 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.
Q: Can you supply different color materials?
A: Yes, we can produce custom CHINAMFG and silicone rubber products in different colors, the color code will be required in case of an order.
Q: What materials are available to produce from your side?
A: NBR, EPDM, SILICONE, (FKM), NEOPRENE(CR), NR, IIR, SBR, ACM, AEM, Fluorosilicone(FVMQ), FFKM, Liquid Silicone, Sponge, etc.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Can flexible couplings be used in servo motor and stepper motor applications?

Yes, flexible couplings are commonly used in both servo motor and stepper motor applications. They play a crucial role in connecting the motor shaft to the driven load while compensating for misalignments and providing other essential benefits:

• Servo Motor Applications: Servo motors require precise motion control and high responsiveness. Flexible couplings are well-suited for servo motor applications because they offer the following advantages:

• Misalignment Compensation: Servo motors are sensitive to misalignments, which can lead to decreased performance and increased wear. Flexible couplings can accommodate angular, parallel, and axial misalignments, ensuring that the motor and driven load remain properly aligned during operation.
• Vibration Damping: Flexible couplings help reduce vibrations, which is crucial for servo motor applications that require smooth and precise motion. By absorbing and dissipating vibrations, flexible couplings contribute to the overall stability and accuracy of the system.
• Backlash Minimization: Some flexible couplings have minimal to no backlash, making them suitable for high-precision servo motor applications where any play or clearance between components could affect performance.
• High Torque Capacity: Servo motors often require high torque transmission capabilities. Flexible couplings are available in various designs and materials, allowing for the selection of couplings with appropriate torque ratings for specific servo motor applications.

• Stepper Motor Applications: Stepper motors are commonly used in open-loop control systems where precise positioning is necessary. Flexible couplings are used in stepper motor applications due to the following reasons:

• Misalignment Tolerance: Stepper motors can experience misalignments, especially in dynamic applications. Flexible couplings can handle misalignments without introducing significant backlash or affecting the stepper motor’s accuracy.
• Cost-Effectiveness: Flexible couplings are often more cost-effective than other types of couplings, making them a practical choice for stepper motor applications, especially in cases where precision requirements are not as stringent as in servo motor systems.
• Shock Load Absorption: Some stepper motor applications involve abrupt starts and stops, leading to shock loads. Flexible couplings can absorb these shocks and protect the motor and driven load from damage.
• Simplicity: Flexible couplings are simple in design and easy to install, making them a popular choice in various stepper motor applications.

Overall, flexible couplings offer valuable benefits in both servo motor and stepper motor applications. They help improve system performance, reduce wear on components, and enhance the overall reliability of the motion control systems they are employed in.

Can flexible couplings be used in pumps, compressors, and fans?

Yes, flexible couplings can be used in pumps, compressors, and fans, and they are commonly employed in these types of rotating machinery. Flexible couplings offer several advantages that make them suitable for such applications:

• Misalignment Compensation: Pumps, compressors, and fans often experience misalignments due to various factors, such as thermal expansion, foundation settling, or component wear. Flexible couplings can accommodate angular, parallel, and axial misalignments, helping to maintain proper alignment between the driving and driven components.
• Vibration Damping: Flexible couplings help dampen vibrations in rotating machinery, which is essential for smooth operation and reduced wear on components. In pumps, compressors, and fans, vibration control is crucial to prevent premature failure and maintain reliable performance.
• Shock Load Absorption: These rotating machines may encounter shock loads during startup or shutdown, especially in reciprocating equipment like reciprocating pumps or compressors. Flexible couplings can absorb and mitigate the impact of such loads, protecting the connected equipment from damage.
• Reduced Maintenance: Flexible couplings with elastomeric elements or other self-lubricating features require minimal maintenance, leading to cost savings and reduced downtime in pumps, compressors, and fans.
• Energy Efficiency: Certain flexible coupling designs, such as beam couplings or certain elastomeric couplings, have low mass and inertia. This characteristic helps improve the energy efficiency of rotating machinery, which is particularly beneficial in large-scale pumps, compressors, and fans used in industrial applications.
• Adaptability: Pumps, compressors, and fans often have varying operating conditions and load profiles. Flexible couplings are adaptable to different operating environments, making them suitable for diverse applications.

In summary, flexible couplings offer several performance-enhancing features that make them well-suited for use in pumps, compressors, and fans. Their ability to accommodate misalignment, dampen vibrations, absorb shocks, and reduce maintenance requirements contributes to improved reliability, efficiency, and longevity of the connected rotating machinery.

How does a flexible coupling affect the noise and vibration levels in a mechanical system?

A flexible coupling plays a crucial role in controlling noise and vibration levels in a mechanical system. It can significantly impact the overall smoothness and quietness of the system’s operation, contributing to enhanced performance and reduced wear on connected components.

Noise Reduction:

Flexible couplings help reduce noise in a mechanical system through their inherent ability to dampen vibrations. When the shafts of rotating machinery are not perfectly aligned, it can lead to vibrations that are transmitted throughout the system, resulting in noise generation. The elastomeric or flexible element of the coupling acts as a vibration dampener, absorbing and dissipating these vibrations. As a result, the noise levels in the system are reduced, creating a quieter operating environment.

Vibration Damping:

Vibrations in a mechanical system can lead to increased wear and tear on critical components, such as bearings, seals, and gears. Excessive vibrations can also cause resonance and damage to the system over time. Flexible couplings can effectively dampen vibrations by acting as a buffer between the driving and driven shafts. The flexible element absorbs the shock and vibrations, preventing them from propagating to other parts of the system. This vibration damping capability not only reduces noise but also protects the system from potential mechanical failures, extending the lifespan of the equipment.

Alignment Compensation:

Misalignment between shafts is a common cause of vibration and noise in rotating machinery. Flexible couplings excel at compensating for both angular and parallel misalignment. By accommodating misalignment, the coupling reduces the forces acting on the shafts and minimizes the generation of vibrations and noise. Proper alignment through the use of a flexible coupling ensures that the system operates smoothly and quietly.

Effect on Equipment Reliability:

Reducing noise and vibration levels has a positive impact on the reliability of connected equipment. Lower vibrations mean less stress on bearings and other rotating components, leading to extended component life and reduced maintenance requirements. A quieter operating environment can also be essential for certain applications, such as in laboratories or precision manufacturing processes, where excessive noise can interfere with delicate tasks or measurements.

Applications:

Flexible couplings find application in a wide range of industries, such as manufacturing, power generation, material handling, automotive, aerospace, and robotics. They are commonly used in pumps, compressors, fans, conveyors, and other rotating machinery where noise and vibration control are critical for smooth and reliable operation.

Summary:

A flexible coupling’s ability to reduce noise and dampen vibrations makes it an essential component in mechanical systems. By compensating for misalignment and providing vibration dampening properties, the flexible coupling enhances the overall system performance, reduces noise levels, and protects connected equipment from excessive wear and mechanical failures. Choosing the right type of flexible coupling based on the specific application requirements can have a significant impact on noise reduction and vibration control in the mechanical system.

editor by CX 2024-04-10