Joining and Assembling
- Created by: TiaWills01
- Created on: 11-05-18 15:21
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- Joining and Assembling
- Permanent Joining
- Welding
- Heating area of joint until material melts and runs together.
- Processes for metal includes manual metal.
- Welding and metal insert gas (MIG) welding.
- MIG welding can be automated for large quantities.
- Welding for thermoplastics include hot plate welding, hot wire welding and friction welding.
- Brazing and Soldering
- Brazing uses heat to join metals.
- Parts are not melted-brazing material flows into joint.
- Soldering is similar to brazing. mainly used to attach components to circuit boards.
- Riveting
- Used in applications such as attaching the skin to aircraft.
- Inserted into holes into overlapping pieces of material.
- Ends made to hold materials in place.
- Adhesives
- Wide range of adhesives available to bond parts.
- Different adhesives used for different materials.
- Common adhesives:
- Epoxy resin.
- Joins metals, plastics, composites.
- Polymer which comes in 2 parts.
- Hardens when mixed together. Mixed immediately before use.
- Acrylic cement
- Joins acrylic and some types of thermoplastics.
- Melts surface of plastics and fuses it together.
- Polyvinyl acetate (PVA)
- General purpose glue for woodwork.
- Epoxy resin.
- Welding
- Temporary Joining
- Possible to make temporary joints by crimping parts together: twisting wires in electrical circuit.
- Mechanical applications temporary joints often mades using threaded fastenings.
- Include: nuts, bolts, screws.
- Available in wide range of materials: steel, brass, different thermoplastics.
- Permanent Joining
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