Industrial Diaphragm Coupling | Steel Disc Coupling | Servo Motor Coupling Manufacturer
Discover our high-rigidity diaphragm coupling featuring 45# steel construction, keyway design, and zero backlash. Perfect for servo motors and printing machinery.
- Standard or Nonstandard: Standard
- Flexible or Rigid: Flexible
- Material Steel: 45#
- Bore Diameter(d1~d2): 6mm~35mm
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High-Performance Diaphragm Coupling - Steel Disc Coupling with Keyway for Servo Motors
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 precision diaphragm coupling represents advanced power transmission technology for demanding industrial applications. Engineered with high-quality 45# steel and featuring a robust disc structure, this flexible coupling delivers exceptional torque transmission while maintaining zero backlash operation. The innovative single diaphragm design provides excellent misalignment compensation capabilities, making it ideal for servo motors, stepper motors, and precision printing machinery. With bore diameters ranging from 6mm to 35mm and comprehensive customization options including OEM and ODM support, our diaphragm coupling ensures perfect integration into your specific application requirements. The keyway connection system guarantees secure shaft attachment while maintaining high torsional rigidity for precise motion control applications.
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Key Features
High-Rigidity Design: Single diaphragm structure provides excellent torque transmission capabilities
Zero Backlash Operation: Ensures precise positioning accuracy for motion control systems
Keyway Connection: Secure shaft attachment with traditional keyway interface
45# Steel Construction: Delivers superior strength and durability for demanding applications
Flexible Performance: Effectively compensates for angular and parallel misalignments
Wide Size Range: Available in bore diameters from 6mm to 35mm
Customizable Options: OEM and ODM support for specific application requirements
Technical Specifications
| Parameter | Specification |
|---|---|
| Body Material | 45# Steel |
| Structure Type | Disc/Diaphragm |
| Bore Diameter Range | 6-35 mm |
| Outer Diameter Range | 44-82 mm |
| Length Range | 34.5-68 mm |
| Connection Type | Keyway |
| Flexibility | Flexible |
| Customization | OEM, ODM, OBM Supported |
Advantages & Benefits
| Feature | Benefit |
|---|---|
| Steel Construction | Provides maximum strength and durability for heavy-duty applications |
| Zero Backlash | Maintains precise positioning in servo and motion control systems |
| Keyway Design | Ensures secure torque transmission and easy installation |
| Single Diaphragm | Offers excellent misalignment compensation while maintaining rigidity |
| Wide Size Range | Accommodates various shaft sizes and application requirements |
| Custom Manufacturing | Tailored solutions for specific operational needs |
Applications
Servo motor systems and stepper motor applications
Printing machinery and paper processing equipment
CNC machines and precision manufacturing equipment
Packaging machinery and automated production lines
Industrial robotics and automation systems
Textile machinery and manufacturing equipment
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Product Show
what this Factory Grid High Rigidity Stepped Single Diaphragm Keyway Coupling is and what it is used for?
Primary Application Summary
This coupling is engineered for high-precision, high-torque, and high-speed servo systems where exceptional rigidity, accuracy, and reliability are non-negotiable. It is a high-performance solution for connecting a servo or stepper motor to a driven load in industrial automation.
Detailed Breakdown of Features and Their Purpose
| Feature in the Name | What It Means | Why It’s Used / The Problem It Solves |
|---|---|---|
| Factory Grid / High Rigidity | “Grid” may refer to a specific product line or its robust, lattice-like internal design. High Rigidity means extremely high torsional stiffness. | It resists twisting under load. This ensures that when the servo motor turns an exact amount, the load (e.g., a print head) moves the same exact amount without delay or wind-up, crucial for precise positioning. |
| Stepped Single Diaphragm | A diaphragm is a thin, flexible metal disc pack. “Stepped” likely means a contoured design for optimal flexibility and strength. “Single” implies a compact design for direct motor-to-shaft connection. | The diaphragm flexes to accommodate angular and parallel misalignment while transmitting torque. The stepped design allows for this flexibility without sacrificing the high rigidity, all in a compact form factor. |
| Keyway | A mechanical slot for a key that fits into a keyway on the shaft. | Provides a positive-lock, zero-slip connection to the shaft, essential for handling the high peak torques and rapid direction changes of servo motors without slipping. More secure than just clamp screws. |
| Series for Servo Motor / Stepper Motor | The product line is specifically engineered for the performance characteristics of these motors. | Servo and stepper motors require zero backlash and high responsiveness. This coupling provides that, ensuring no lost motion and maintaining the system’s accuracy. |
| Printing Machines | Called out as a key application. | In printing (especially high-speed industrial digital, flexographic, or label printing), it is used to connect the servo motor to the print cylinder or roller. It ensures perfect registration (image alignment), eliminates ghosting, and allows for high-speed operation without vibration. |
Common Industries & Specific Machines
High-Speed Industrial Printing:
Digital Printers, Label Printers, Flexographic Presses:Â Connects servos to print cylinders for perfect color registration.
CNC Machines & Robotics:Â Used in high-precision CNC milling centers, lathes, and robotic arms for accurate tool positioning.
Packaging Machinery:Â In machines that require precise cutting, sealing, and filling operations synchronized with a web of material.
Automated Assembly Lines:Â For precision placement, screwing, and welding operations where repeatability is key.
Semiconductor Manufacturing:Â In wafer handling and photolithography equipment where nanometer-level precision is required.
Why You Would Choose This Specific Coupling
You would select this model over a standard coupling when your application has a combination of the following requirements:
Zero Backlash:Â Mandatory for maintaining positional accuracy in closed-loop servo systems.
High Torsional Stiffness:Â Necessary for high dynamic response, rapid acceleration/deceleration, and precise contouring.
High Torque Capacity:Â Needed to drive heavy loads without failure.
Misalignment Compensation:Â To protect the expensive servo motor and driven equipment from the stresses of installation inaccuracies.
High-Speed Operation:Â The balanced, all-metal design allows for smooth operation at high RPMs.
In summary: This is a high-end, precision power transmission component for mission-critical automation equipment, with printing machinery being a primary but not exclusive application. It is the component that ensures the incredible speed and accuracy of modern industrial machinery is actually achieved.
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