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Machinist

Job Summary

Responsible for operating machine tools to produce precision metal parts. Produces small batches or large quantities of metal parts. Ensure products meet precise specifications.

Primary responsibilities

  • Operate machine tools such as lathes, milling machines, and grinders to produce metal parts.
  • Review electronic or written blueprints or specifications for a job.
  • Calculate where to cut or bore.
  • Shape steel, aluminum, titanium, plastic, silicon and other materials.
  • Determine how fast or slow workpiece is fed into machine.
  • Determine how much material to remove.
  • Select tools and materials for the job.
  • Plan the sequence of cutting and finishing operations.
  • Mark the workpiece to show where cuts should be made.
  • Position workpiece on the drill press, lathe, or milling machine.
  • Monitor and control feed rate and speed.
  • Ensure workpiece is properly lubricated and/or cooled.
  • Regulate temperature of workpiece.
  • Detect problems by listening for specific sounds.
  • Adjust cutting speed to compensate for harmonic vibrations.
  • Monitor the accuracy of cuts.
  • Replace dull cutting tools.
  • Check accuracy of work against blueprints and specifications.
  • Produce large quantities of parts.
  • Determine how automated equipment will cut a part.
  • Determine cutting path.
  • Concert path, speed, and feed information into set of instructions for machine tool.
  • Use manual and computer-controlled machinery.
  • Write basic programs.
  • Modify programs in response to problems.

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