Standard Operating Procedure (S.O.P) – Milling Machine




  • Keep all guards in place while operating the machine.
  • While operating the milling machine allow no one else to touch it.
  • Keep hands away from moving cutting tools.
  • Do not make measurements of the stock while the milling machine is powered.
  • Do not allow large quantities of chips to accumulate around the work piece or machine  table. After stopping the machine, use a brush or rag to remove all excess chips from the mill bed and stock.
  • Use a rag or Kevlar gloves to handle sharp cutting tools.
  • Cutting tools must be securely fastened in the machine spindle with the proper accessory. Never try to tighten cutting bits or tools by hand.
  • Do not power the machine to tighten or loosen cutting bits or tools.
  • Work pieces and stock must be rigidly fastened to the mill bed with clamps, a vise, or special fixtures.
  • Use appropriate speeds and feeds for the type and size of cutter being used and the material being machined.
  • Make sure the cutting tool is clear of the work piece before starting the machine.