Computer Numerically Controlled Machine Tool Programmers, Metal and Plastic

Tasks Include:

• Determine the sequence of machine operations, and select the proper cutting tools needed to machine workpieces into the desired shapes.
• Revise programs and/or tapes to eliminate errors, and retest programs to check that problems have been solved.
• Analyze job orders, drawings, blueprints, specifications, printed circuit board pattern films, and design data in order to calculate dimensions, tool selection, machine speeds, and feed rates.
• Determine reference points, machine cutting paths, or hole locations, and compute angular and linear dimensions, radii, and curvatures.
• Observe machines on trial runs or conduct computer simulations to ensure that programs and machinery will function properly and produce items that meet specifications.
• Compare encoded tapes or computer printouts with original part specifications and blueprints to verify accuracy of instructions.
• Enter coordinates of hole locations into program memories by depressing pedals or buttons of programmers.

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