20303193
Description
Flashcards by Olivia Morrow, updated more than 1 year ago
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Created by 19leesia
about 8 years ago
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Copied by Olivia Morrow
over 4 years ago
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| Question | Answer |
| types of moulding processes | injection moulding blow moulding rotational moulding compression moulding extrusion |
| injection moulding | producing parts by injecting material into a mould. |
| blow moulding | melting down the plastic and forming it into a parison or in the case of injection and injection stretch blow moulding (ISB) a preform. |
| rotational moulding | heating hollow mold which is filled which is then slowly rotated, causing the softened material to disperse and stick to the walls of the mold. |
| compression moulding | the mold is closed, pressure is applied to force the material into contact with all mold areas, while heat and pressure are maintained. |
| extrusion | A material is pushed through a die |
| what are the types of forming processes? | vacuum forming thermo forming line bending |
| what are the types of joining processes? | screw fixings adhesives thermal |
| what are the types of metal manufacturing processes? | casting forging forming joining wasting (processes) heat treatments |
| what are the types of casting processes? | sand casting die casting |
| what are the types of die casting? | gravity die casting low pressure die casting high pressure die casting |
| what are the types of forging processes? | cold hot |
| what are the types of hot forging | drop forging hot pressing |
| what are the types of forming processes | press forming embossing |
| what are the types of joining processes | bolts, screws and rivets welding, brazing, soldering adhesive |
| what are the types of heat treatments | hardening tempering annealing |
| wasting processes | process where the material is cut away |
| what are the types of wasting processes | drilling, milling grinding sanding sawing filing |
| what are examples of permanent joining processes? | welding gluing |
| what are examples of temporary joining processes | screws nuts bolts |
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