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High Precision Servo Motor Coupling - 45# Steel Single Diaphragm Keyway Coupler for CNC Machinery
Model Number
DNT-44*34.5
DNT-56*45
DNT-68*54
DNT-82*68
- Phone : +86 13431039760
- Wechat : +86 13431039760
- Whatsapp : +86 13431039760
- Email : ella@apexcoupling.com
Product Description
Our high precision servo motor coupling represents the ultimate solution for applications demanding exceptional accuracy and reliability in power transmission. This robust motor coupler features a sophisticated single diaphragm structure manufactured from premium 45# steel, ensuring maximum durability and performance in demanding industrial environments. Specifically engineered for servo motor applications, this servo motor coupling delivers true zero backlash operation while accommodating angular, parallel, and axial misalignments. With an impressive 2000 N.m torque capacity and maximum speed of 5,000 RPM, this flexible coupler guarantees smooth power transmission for CNC machinery, robotics, and precision automation equipment. The keyway connection system provides secure shaft attachment while maintaining the high torsional rigidity required for precise motion control applications.
Key Features
Single Diaphragm Design: Provides excellent flexibility while maintaining zero backlash
45# Steel Construction: Superior strength and durability for heavy-duty applications
Keyway Connection System: Secure shaft attachment for reliable torque transmission
High Torque Capacity: 2000 N.m rating for demanding servo applications
Zero Backlash Operation: Ensures precise positioning accuracy
High-Speed Capability: Suitable for applications up to 5,000 RPM
Customizable Design: Comprehensive OEM, ODM, and OBM support available
Technical Specifications
Parameter | Specification |
---|---|
Body Material | 45# Steel |
Structure Type | Single Diaphragm |
Bore Diameter Range | 6-35 mm |
Outer Diameter Range | 44-82 mm |
Length Range | 34.5-68 mm |
Rated Torque | 2000 N.m |
Maximum Speed | 5,000 RPM |
Connection Type | Keyway |
Advantages & Benefits
Feature | Benefit |
---|---|
Steel Diaphragm Design | Excellent misalignment compensation with zero backlash |
45# Steel Construction | Withstands heavy loads and extreme operating conditions |
Keyway Connection | Secure torque transmission and easy installation |
High Torque Capacity | Reliable performance in demanding industrial applications |
Precision Engineering | Perfect for servo systems requiring accurate positioning |
Custom Manufacturing | Tailored solutions for specific equipment requirements |
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Product Show


DNT 45# Steel Single Diaphragm Coupling - Zero Backlash for Precision Servo Systems!
Key Features:
✅ Zero Backlash Design – Ideal for precision positioning and repeatability
✅ 45# Steel Construction – Delivers superior strength and durability
✅ Stepped Disc Structure – Provides excellent flexibility with high torsional stiffness
✅ Keyway Connection – Ensures secure shaft mounting and reliable torque transmission
✅ High-Speed Capability – Rated for up to 5,000 RPM operation
✅ Customizable – Available in bore sizes from 6mm to 35mm
Technical Specifications:
• Rated Torque: Up to 2000 N.m
• Outer Diameter: 44mm-82mm
• Length: 34.5mm-68mm
• Material: Premium 45# Steel
• Type: Single diaphragm flexible coupling
Perfect Applications:
• Servo Motor Systems
• CNC Machining Centers
• Robotics & Automation
• Precision Manufacturing Equipment
• Printing & Packaging Machinery
Why Choose Our Diaphragm Coupling?
• Maintenance-free operation
• Excellent misalignment compensation
• High torque capacity in compact design
• 1-year quality warranty
🏭 OEM/ODM Services Available!
We provide customized solutions with:
• Special bore sizes and keyways
• Modified lengths and diameters
• Different material options

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