Machinists

What They Do

Set up and operate a variety of machine tools to produce precision parts and instruments out of metal. Includes precision instrument makers who fabricate, modify, or repair mechanical instruments. May also fabricate and modify parts to make or repair machine tools or maintain industrial machines, applying knowledge of mechanics, mathematics, metal properties, layout, and machining procedures.

Typical Tasks

• Calculate dimensions or tolerances, using instruments, such as micrometers or vernier calipers.
• Machine parts to specifications, using machine tools, such as lathes, milling machines, shapers, or grinders.
• Measure, examine, or test completed units to check for defects and ensure conformance to specifications, using precision instruments, such as micrometers.
• Set up, adjust, or operate basic or specialized machine tools used to perform precision machining operations.
• Program computers or electronic instruments, such as numerically controlled machine tools.

Key Skills

Work Activities

• Controlling Machines and Processes
• Getting Information
• Inspecting Equipment, Structures, or Materials
• Identifying Objects, Actions, and Events
• Monitoring Processes, Materials, or Surroundings