What do Patternmakers, Metal and Plastic do?
Lay out, machine, fit, and assemble castings and parts to metal or plastic foundry patterns, core boxes, or match plates.
- 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.
- Construct platforms, fixtures, and jigs for holding and placing patterns.
- Mark identification numbers or symbols onto patterns or templates.
- Select pattern materials such as wood, resin, and fiberglass.
- Apply plastic-impregnated fabrics or coats of sealing wax or lacquer to patterns that will be used to produce plastic.
- Paint or lacquer patterns.
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