About EDi
Shanghai Yidi Precision Machinery Co., Ltd. is a professional manufacturer specializing in the R&D, production and sales of high-precision transmission components.
Our core product range includes locking assemblies, universal joints, couplings, locking discs, industrial chains and a wide variety of custom non-standard precision mechanical parts.
Guided by our commitment to reliable quality and professional service, our products are trusted by customers worldwide. We are dedicated to delivering efficient, stable and tailored transmission solutions for every application.
Yidi Precision Universal Joints: Manufacturing Process & Quality Control
Hot product picks
locking assemblies(locking discs)
Easy installation & removal,High positioning accuracy,No keyway, High torque capacity...
more...
chains
Industrial and agricultural chains, third-generation chains, anti-seizing, long service life.
more...Latest product updates
What does a universal joint do?
A universal joint (U-joint) connects two shafts that are not in a straight line, allowing power to be transmitted even when the shafts are at an angle to each othe
2025-02-18
Precautions for Using Shrink Discs (Locking Assemblies)
Clean all contact surfaces – Shaft, hub bore, and shrink disc mating surfaces must be free of oil, grease, paint, and debris. Use a solvent if necessary. Check dimensional tolerances – Ensure shaft and bore diameters are within the recommended tolerance range (typically h7/h8 for shaft, H7/H8 for hub).
2025-02-10