The different parts can then be combined to form a complete part. Depending on the material, the intended load of the joint, and whether or not the joint is meant to be permanent, there are different methods of joining parts together.
Welding
Welding parts together using high heat until they join together to form a strong part or assembly of parts. Typically used for structural type parts and for load bearing parts and joints. Care must be taken with thin gauge materials as they can distort when welded.
Mechanical Fastening
Parts can be joined with bolting, using screws or nuts. This allows for disassembly of parts for maintenance or for part replacement. For fabrication parts where internal components need to be accessed, this could be a suitable option.
Riveting
Rivets – these are commonly used to join thin sheet metal parts together without welding. They are especially suitable for aluminium parts which generally do not weld well. In addition, structural adhesives have been increasingly used to join dissimilar metals, such as metal and plastic parts together.
Adhesive Bonding
Structural adhesives can be used for joining dissimilar metals within sheet metal fabrication and offer excellent stress distribution and concentration properties within a single joint.
Press-Fit and Clinching
Clinching – Pressing together layers of sheet metal to form a mechanical interlock, typically without the use of any fixings. It is a fast, clean method of joining, particularly suited for high volume production. If you want Sheet Metal Fabrication, //dkmsheetmetal.co.uk/ is a good place to start.
By knowing what type of joint is needed for your components you can provide your supplier with the relevant information to complete your components to the required standards without any costly rework.
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