FORM KNURLING

FORM  KNURLING  

          APPLICATION

  • Cold forming the meterial
  • Can be used for knurling up to workpiece flange
  • All standard knurl patterns (to DIN 82) offered
  • Knurling is possible at any position on the workpiece  

         FORM KNURLING

  • Not recommended for visible knurls
  • Cold forming increases the external diameter of the workpiece
  • it compresses the surface of the workpiece
  • Form knurling is recommened for thin materials
  • Form knurling on workpieces with a small diameter is possible to limited extent only
  • Lathe is subjected to greater load du to the higher pressure
  • slower cutting speed and feed rate

 

STRAIGHT KNURL RAA       SPIRAL KNUR RBL AND RBR     CROSS KNURL RKE
crossed at 45° to workpiece axis
DIAMOND RGE
crossed at 30° to workpiece axis