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Help CenterMulti Hole Stainless Steel 304 Coupling Disc Zero Backlash Elastic Diaphragm
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Hebei Speed Torque Transmission Technology Co., Ltd. proudly presents our Multi Hole Stainless Steel 304 Coupling Disc Zero Backlash Elastic Diaphragm. As an ISO9001 certified manufacturer with over 7 years of industry experience and a factory spanning 3,000–5,000 square meters, we specialize in producing high-precision transmission components. This diaphragm coupling disc is engineered to deliver zero backlash and elastic compensation, making it ideal for applications where accuracy and reliability are critical. Manufactured from premium Stainless Steel 304, it offers excellent corrosion resistance and durability for demanding environments.
Our coupling disc features a multi-hole design that allows flexible mounting configurations, accommodating various shaft sizes and bolt patterns. The elastic diaphragm element absorbs misalignment and vibration, protecting connected equipment from premature wear. Whether used in servo drives, encoders, or precision indexing tables, this coupling disc ensures smooth torque transmission with minimal maintenance.
Key Features & Technical Specifications
Material: High-grade Stainless Steel 304 – resistant to rust, chemicals, and high temperatures.
Zero Backlash: Precision machined diaphragm eliminates any rotational play, ensuring accurate positioning.
Elastic Compensation: Accommodates angular, parallel, and axial misalignments without stress on shafts.
Multi-Hole Design: Easily adaptable to different bolt patterns; custom hole sizes available upon request.
High Torque Capacity: Designed to handle peak loads while maintaining torsional stiffness.
Low Inertia: Lightweight construction reduces dynamic loads on driven components.
Easy Installation: Simple clamp or bolt-on setup; no lubrication required.
Product Parameters (Typical Range)
| Parameter | Value |
| Outer Diameter (mm) | 30 – 200 (customizable) |
| Thickness (mm) | 1 – 8 |
| Number of Holes | 4 – 12 (standard), more on request |
| Max Torque (Nm) | 10 – 500 (depending on size) |
| Max Speed (rpm) | 6000 – 15000 |
| Misalignment Capacity | Angular ≤ 0.5°, Parallel ≤ 0.2mm, Axial ≤ 0.3mm |
All diaphragm discs are manufactured under strict ISO9001 quality management standards, ensuring consistent performance batch after batch. Our engineers can tailor the disc's dimensions, hole patterns, and surface finish to meet your exact requirements. We also offer additional treatments such as passivation or electropolishing for enhanced corrosion protection.
Benefits for Your Application
Enhanced Precision: Zero backlash guarantees repeatable positioning in CNC machines and robotic arms.
Reduced Vibration: The elastic diaphragm dampens torsional vibrations, extending the life of bearings and seals.
Maintenance-Free Operation: No moving parts to wear out; no lubrication needed.
Cost-Effective Solution: Long service life reduces replacement frequency and downtime.
Global Compatibility: Ships from Shanghai, Tianjin, or Qingdao ports to worldwide destinations.
Our factory in Cangzhou, Hebei is equipped with advanced CNC machining centers and inspection equipment. With an annual export value of US$5–10 million and a team of 101–200 employees, we have the capacity to fulfill both small and large orders promptly. Our products are trusted by clients across North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and Asia.
We understand that every application is unique. That's why we offer customization services for hole diameter, bolt circle, and disc thickness. Our technical team is available to assist you with selection and integration. Contact us today to request a quote or sample. Experience the reliability and performance of Speed Torque's diaphragm coupling discs.
Frequently Asked Questions (FAQ)
What makes this coupling disc zero backlash?
The diaphragm is precisely machined with a flexible metal membrane that deforms elastically under load, eliminating any gaps or play. This ensures instantaneous torque transmission with zero lost motion.Can I use this disc with a servo motor?
Yes, it is ideal for servo motors due to its high torsional stiffness and low inertia. The multi-hole pattern can be customized to match standard servo motor flanges.Is Stainless Steel 304 suitable for corrosive environments?
Absolutely. 304 stainless steel offers good resistance to oxidation, moisture, and many chemicals. For harsher conditions, we also offer 316L on request.How do I determine the correct size for my application?
You need to know the shaft diameters, maximum torque, misalignment requirements, and space constraints. Our engineers can help you calculate the optimal disc size based on your data.What is the lead time for custom orders?
For custom dimensions or hole patterns, typical lead time is 15–20 working days. Standard sizes may ship within 7–10 days. Large quantities require 25–30 days.Do you provide samples before bulk order?
Yes, we offer samples for evaluation. A sample fee is required, but it will be deducted from the final order if you purchase in volume.How is the disc packaged for export?
Each disc is individually wrapped in anti-rust paper and packed with foam inserts in a strong export carton or wooden crate. This ensures safe delivery even for long-distance shipping.What warranty do you offer?
We provide a 12-month warranty against manufacturing defects. Any defective product will be replaced or repaired free of charge.
Hebei Speed Torque Transmission Technology Co., Ltd. – Your reliable partner in precision transmission solutions. Backed by ISO9001 certification, a 3,000+ sqm factory, and a dedicated team of experts, we are committed to delivering products that exceed expectations. Request a quotation now and let us help you optimize your motion control system.
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