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Sinbo Precision Mechanical Co., Ltd.
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Industrial Robot High Precision Diaphragm Coupling Stainless Steel Bellows Drive Coupling Element

Industrial Robot High Precision Diaphragm Coupling Stainless Steel Bellows Drive Coupling Element

Brand Name SINBO
Certification SIO9001,IATF6949
Minimum Order Quantity 100
Price 20
Payment Terms L/C,D/A,D/P
Supply Ability 20000
Delivery Time 5-8 days
Lead Time 15 Days
Processing Type Drilling, Plating, CNC Turning
Sizes Base on Customer required
Processing Method CNC Machining
Surface Painting, Anodized, PVDF
Design Software Pro/E, Solidworks, UG
Quality 100% Inspection
Original Hardness HRC35-42
Material Standard ROHS
Material Metal
Tolerance Tight
Salty Spary 72h
Hardness HRC48~52 Or HRC58~62
Material Capabilities Aluminum
Drawing Format CAD/PDF/DWG/IGS/STEP
Usage Industrial
Casting Method Die Casting
Application Machinery
Resistance Corrosion resistant
Precision 0.001mm
The Tolerance + -0.01mm
Casting Process Gravity Casting
Processing CNC machining,CNC milling,CNC turning
Machining Type Milling, Grinding, Polishing
Cavity Single
Size Customized
Warranty 1 Year
Detailed Product Description
Product Description

Industrial robot diaphragm/bellows couplings are core connecting elements in precision transmission systems, specifically designed for high-end industrial automation applications. This product uses high-strength stainless steel material manufactured through special forming processes, enabling torque transmission while compensating for axial, angular, and radial misalignments. As a critical component of robot transmission systems, it ensures precise power transmission between servo motors and reducers, significantly improving the motion accuracy and dynamic response performance of industrial robots.

Features
  • High Torsional Rigidity: Multi-layer stainless steel diaphragm structure with up to 98% torque transmission efficiency, ensuring zero-backlash transmission
  • Zero Backlash Drive: Specially designed bellows structure effectively eliminates transmission clearance, achieving repeat positioning accuracy of ±0.01mm
  • Strong Misalignment Compensation: Simultaneously compensates for axial, angular, and radial deviations, allowing 0.03mm eccentricity error
  • Maintenance-Free Design: No lubrication needed, integrated sealing structure provides IP65 protection rating, suitable for harsh industrial environments
  • Extended Service Life: Premium stainless steel material withstands over 100,000 fatigue tests with wear less than 0.01mm
Technical Parameters Table
ParameterValue/DescriptionTest Standard
Rated Torque1.2N·m to 355N·mISO 14691
Bore Diameter4mm to 100mmDIN 6885
Maximum Speed16000rpmISO 10816
Allowable Eccentricity≤0.03mmISO 2631
Torsional Stiffness0.1° to 0.5°DIN 740
Ambient Temperature-30℃ to +100℃ISO 1817
Protection RatingIP65IEC 60529
MaterialStainless Steel 304/316LASTM A240
Applications

This product is widely used in various industrial automation scenarios:

  • Six-Axis Robot Joint Transmission: Suitable for precise positioning in welding and handling robot joints
  • Precision Assembly Systems: Used in precision motion control on 3C product automated production lines
  • Semiconductor Manufacturing Equipment: Meets transmission requirements for high-precision equipment like wafer handling and lithography machines
  • Automobile Welding Lines: Applied in servo press transmission systems for white body welding lines
  • Aerospace Manufacturing: Used in transmission systems for composite placement machines and precision machining centers
Customization Services

We provide comprehensive coupling customization solutions:

  • Dimension Customization: Support non-standard bore processing with adjustable bore diameters from 4-100mm
  • Material Selection: Offer stainless steel 304, 316L, titanium alloy, and special alloy materials
  • Performance Optimization: Optimize stiffness coefficients according to load characteristics for specific applications
  • Special Environment Adaptation: Develop special models for high temperature, corrosion resistance, and explosion-proof requirements
  • Rapid Prototyping Service: Provide emergency processing channel with 3-5 working days turnaround
Support and Services

Our professional technical team provides:

  • Technical Consultation: Offer transmission system optimization solutions and selection guidance
  • Installation Guidance: Provide detailed alignment guidelines and debugging manuals
  • On-site Support: Dispatch engineers to resolve installation and debugging issues on site
  • After-sales Guarantee: 18-month quality assurance and lifetime maintenance service
  • Spare Parts Supply: Establish dedicated customer spare parts inventory ensuring 24-hour emergency response
Product Tags: stainless steel bellows coupling   high precision diaphragm coupling   industrial robot drive coupling  
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