Injection moulding - Plastic. Detailed complex shape, Compression moulding - Simple shape for Thermoset Plastics, Rotational Moulded - Plastic. Hollow shape for sturdy items/thick walls, Blow moulding - Plastic. Hollow shape for thin wall/ very high volume, Extruded - Plastic or metal. Long shape with same cross section throughout, Die Casting - Metal. Detailed complex shape, Sand Casting - Metal. Simple shape, usually thick walls, Drop Forging - Metal. Moulded using hammer. For impact strength., Line Bending - Plastic. Sheet material with straight bend, Piercing and Blanking - Sheet metal. Punching out shapes and holes., Press forming - Metal sheet. Pressed into shape in stages, Vacuum forming - Plastic sheet sooked into shape, Laser Cutting - Plastic/Wood/Metal sheet. Cut into accurate complex shapes, 3D Printing - Plastic. Complex shapes built up in layers. Slow., Standard Components - Bought in by companies to reduce costs of common parts e.g. screws/bolts/brackets/clips on a rucksack, Jigs - Holds components in pace for easy assembly, Machining - Any process which involves cutting. E.g. drilling, sawing, turning, CNC Machining - Metal/Wood. Automated computer control to make accurate components by cutting. E.g. lathe, router, milling machine, Welding - Metal. Permanent strong join, Nuts and Bolts - Non-permanent assembly method, Adhesive - Wood. Method of joining/semi permanent.,

H DM Processes

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