Manual Machinist

Job Duties and Tasks for: "Machinist"


  • Calculate dimensions and tolerances using knowledge of mathematics and instruments such as micrometers and vernier calipers.

  • Machine parts to specifications using machine tools such as lathes, milling machines, shapers, or grinders.

  • Measure, examine, and test completed units in order to detect defects and ensure conformance to specifications, using precision instruments such as micrometers.

  • Set up, adjust, and operate all of the basic machine tools and many specialized or advanced variation tools in order to perform precision machining operations.

  • Align and secure holding fixtures, cutting tools, attachments, accessories, and materials onto machines.

  • Monitor the feed and speed of machines during the machining process.

  • Observe and listen to operating machines or equipment in order to diagnose machine malfunctions and to determine need for adjustments or repairs.

  • Check workpieces to ensure that they are properly lubricated and cooled.

  • Maintain industrial machines, applying knowledge of mechanics, shop mathematics, metal properties, layout, and machining procedures.

  • Position and fasten workpieces.

  • Operate equipment to verify operational efficiency.

  • Install repaired parts into equipment, or install new equipment.

  • Clean and lubricate machines, tools, and equipment in order to remove grease, rust, stains, and foreign matter.

  • Advise clients about the materials being used for finished products.

  • Program computers and electronic instruments such as numerically controlled machine tools.

  • Set controls to regulate machining, or enter commands to retrieve, input, or edit computerized machine control media.

  • Confer with engineering, supervisory, and manufacturing personnel in order to exchange technical information.

  • Dismantle machines or equipment, using hand tools and power tools, in order to examine parts for defects and replace defective parts where needed.

  • Establish work procedures for fabricating new structural products, using a variety of metalworking machines.

  • Support metalworking projects from planning and fabrication through assembly, inspection, and testing, using knowledge of machine functions, metal properties and mathematics.

  • Confer with numerical control programmers in order to check and ensure that new programs or machinery will function properly, and that output will meet specifications.

  • Fit and assemble parts to make or repair machine tools.

  • Evaluate experimental procedures, and recommend changes or modifications for improved efficiency and adaptability to setup and production.

  • Design fixtures, tooling, and experimental parts to meet special engineering needs.

  • Prepare working sketches for the illustration of product appearance.

  • Install experimental parts and assemblies such as hydraulic systems, electrical wiring, lubricants, and batteries into machines and mechanisms.

  • Set up and operate metalworking, brazing, heat-treating, welding, and cutting equipment.

  • Test experimental models under simulated operating conditions for such purposes as development, standardization, and feasibility of design