Duties and tasks

  • Positioning, securing and measuring metal stock or castings to lay out for machining
  • Making and repairing metal patterns for preparation of foundry moulds
  • Repairing and modifying sports guns and other small arms
  • Visualizing and computing dimensions, sizes, shapes and tolerances of assemblies, based on specifications
  • Preparing templates and sketches, and determining work processes
  • Laying out lines and reference points on metal stock to guide other workers who cut, turn, mill, grind or otherwise shape metal
  • Making, fitting, assembling, repairing and installing lock parts and locks
  • Fitting and assembling parts to make and repair jigs, fixtures and gauges
  • Reading and interpreting engineering drawings and specifications of tools, dies, prototypes or models
  • Setting up, operating and maintaining conventional and computer numerically controlled machine tools to cut, turn, mill, plane, drill, bore, grind or otherwise shape workpieces to prescribed dimensions and finish
  • Verifying dimensions, alignments, and clearances of finished parts for conformance to specifications, using precision measuring instruments and testing completed items for proper operation

    Skill level

    Semi-skilled
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