What Causes Roller Chain Plate to Crack at the Pin Hole

Cracks in roller chain link plates radiating from the pin holes are one of the most serious defects found during chain inspection — more serious than wear elongation, more serious than surface rust, and requiring immediate chain replacement. A plate crack at the pin...

Why Does Roller Chain Vibrate or Whip at High Speed

Roller chain vibration and whip at high speed is not a sign of poor chain quality — it is a predictable dynamic phenomenon arising from the interaction between chain mass, span length, drive speed, and tooth engagement frequency. Understanding the physics of chain...