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The Dawang Precision aluminum flange coupling adapter is a high-accuracy mechanical interface component manufactured through advanced 5-axis CNC machining. Featuring a central precision bore and symmetrically distributed threaded holes with extremely tight positional tolerance, it ensures perfect alignment and reliable torque transmission in motor, reducer, and robotic drive systems.
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Dawang Precision
This precision CNC machined aluminum star flange coupling adapter is produced from high-strength aluminum alloy using state-of-the-art 5-axis CNC centers. Every threaded hole and mounting position is drilled with rigorous ±0.01mm positional accuracy to guarantee perfect coaxial alignment and eliminate vibration during high-speed operation. The star-shaped design optimizes material distribution, providing excellent strength-to-weight ratio while maintaining structural rigidity. Advanced machining processes ensure clean, burr-free surfaces and precise concentricity of the central bore. This custom aluminum coupling adapter is ideal for applications requiring reliable mechanical connection with minimal backlash and maximum repeatability.
Whether you are a robot integrator, laser equipment manufacturer, or automation equipment OEM, we offer one-stop custom aluminum structural frame solutions:
7–10 days from CAD drawings to samples
Mass production support for 100–10,000 units
Surface treatments (anodizing, hard anodizing, sandblasting) available
Complete quality documentation (CMM reports, material certificates) provided with every shipment
We help customers overcome the challenges of “heavy weight, poor precision, and long lead times,” making your equipment lighter, faster, and more reliable.
Dawang Precision provides full customization support from DFM analysis and 3D simulation to rapid prototyping and mass production. We help customers solve alignment and vibration issues by delivering consistently precise star flange adapters with verified hole position accuracy, significantly reducing assembly adjustments and improving overall equipment performance and reliability.
A domestic robotics company developing servo-driven joint modules encountered persistent problems with their previous supplier’s aluminum coupling adapters. Hole position deviation reached ±0.08mm, causing misalignment between motor and reducer, resulting in abnormal noise, accelerated wear, and unstable positioning accuracy during operation.
We recommended and produced a precision CNC machined aluminum star flange coupling adapter using 5-axis high-speed machining centers with real-time tool compensation. All threaded holes were drilled in a single setup to achieve ±0.01mm positional tolerance and 0.015mm concentricity. The entire process was supported by in-process CMM inspection and final full-dimensional reporting.
Implementation Results
Hole position accuracy improved from ±0.08mm to ±0.01mm
Motor-reducer alignment error reduced by 85%
Operating noise decreased by 12dB and vibration amplitude dropped by 70%
Product qualification rate increased to 99.6%, significantly reducing assembly rework
Client Feedback “After switching to Dawang Precision’s aluminum star flange coupling adapter, our joint module stability and precision have improved dramatically. The ±0.01mm hole position accuracy is exactly what we needed. Their machining capability and quality control far exceed our previous suppliers.”
Robotic joint and servo motor connections
Precision reducer mounting interfaces
Industrial automation drive systems
CNC machine tool spindle couplings
High-speed packaging machinery
Medical equipment transmission modules
New energy vehicle motor adapters
