Patternmakers, Metal and Plastic

Tasks Include:

• Set up and operate machine tools, such as milling machines, lathes, drill presses, and grinders, in order to machine castings or patterns.
• Read and interpret blueprints or drawings of parts to be cast or patterns to be made; then compute dimensions and plan operational sequences.
• Verify conformance of patterns or template dimensions to specifications, using measuring instruments such as calipers, scales, and micrometers.
• Program computerized numerical control machine tools.
• Design and create templates, patterns, or coreboxes according to work orders, sample parts, or mockups.
• Assemble pattern sections, using hand tools, bolts, screws, rivets, glue, and/or welding equipment.
• Repair and rework templates and patterns.
• Lay out and draw or scribe patterns onto material, using compasses, protractors, rulers, scribes, or other instruments.
• Clean and finish patterns or templates, using emery cloths, files, scrapers, and power grinders.

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