Wear-resistant test for B.B parts

未标题-1

  • The standard of determine and gist:GB3565-2005
  • Fix the B.B. parts, Apply the force in 150kgf on B.B. parts by vertical direction. Keep them at a speed of 2000RPM and 30 minutes. Check whether there is stripping or obvious wearing remains and other harmful defects when test finished.

未标题-2