Aluminum D19L19 Single Diaphragm Coupling – Servo & CNC
Aluminum D19L19 Single Diaphragm Coupling – Servo & CNC
Details
Aluminum Alloy D19L19 Single Diaphragm Flexible Coupling
Upgrade your precision motion control setup with the KANDE BEARINGS D19L19 Single Diaphragm Coupling. Engineered from high-grade aluminium alloy with a stainless steel diaphragm disc, this flexible elastic joint delivers outstanding torsional rigidity and transmission accuracy for ball screw assemblies, stepper motors, servo motors, encoders, and other FA (factory automation) applications.
Made in Mainland China.
Key Features
- Compact & Rigid Design: Concise structure with tight, secure connections that are easy to assemble and disassemble without specialized tooling.
- High Torsional Rigidity: Enables precise rotational control for high-accuracy transmission in demanding machinery environments.
- Stainless Steel Diaphragm: Tolerates eccentricity, deflection angle, and shaft deviation while offering excellent fatigue resistance for long service life.
- High Transmission Efficiency: Achieves up to 99.86% efficiency, making it ideal for medium to high power transmission systems.
- Wide Temperature Range: Operates reliably from -80°C to +300°C, performing safely even in harsh industrial environments.
- Flexible Coupling Type: Single disc structure compensates for misalignment without sacrificing precision or performance.
Specifications
| Specification | Details |
|---|---|
| Brand | KANDE BEARINGS |
| Model Number | D19L19 |
| Outer Diameter | 19 mm |
| Length | 19 mm |
| Material | Aluminium Alloy Body / Stainless Steel Diaphragm |
| Coupling Type | Single Diaphragm (Disc) — Flexible |
| Temperature Range | -80°C to +300°C |
| Transmission Efficiency | Up to 99.86% |
| Standard | Standard |
| Origin | Mainland China |
Common Applications
- Ball screw drive systems
- Stepper motor and servo motor shaft connections
- Rotary encoders and precision sensors
- CNC machines and factory automation (FA) equipment
- Robotics and precision mechanical assemblies
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Frequently Asked Questions
Q: What is the D19L19 single diaphragm coupling used for?
A: The D19L19 aluminium alloy single diaphragm coupling is designed for precision shaft-to-shaft connections in applications such as ball screw assemblies, servo motors, stepper motors, encoders, CNC machines, and factory automation (FA) equipment. It compensates for minor shaft misalignment while maintaining high torsional rigidity for accurate motion control.
Q: Can this coupling handle high-temperature environments?
A: Yes. The D19L19 diaphragm coupling is rated to operate across a wide temperature range of -80°C to +300°C, making it suitable for demanding industrial and automation environments where temperature fluctuations are common.
Q: What is the transmission efficiency of this diaphragm coupling?
A: This coupling achieves a transmission efficiency of up to 99.86%, ensuring minimal energy loss during power transfer — ideal for medium and high power precision machinery applications.
Q: What shaft misalignment types does this coupling accommodate?
A: The stainless steel diaphragm disc in this coupling is designed to tolerate eccentricity (radial misalignment), deflection angle (angular misalignment), and axial shaft deviation, while maintaining excellent fatigue resistance over extended use.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.
Materials + Care
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