- 'Orbital' and 'Radial' are terms that are applied to riveting processes where
a solid forming tool is moved over the end surface of a rivet,
causing the material to be reformed into a head or flange.
- By varying the applied pressure and the tool feed rate, either loose joints, as
with pivots in a linkage, or tight joints can be produced.
- Different shaped heads can be produced on solid or tubular rivets. Heads can also
be formed on sections other than round, i.e. square, triangular, 'D' shape
etc.
- Some materials previously considered unsuitable for forming, i.e. hardened or
plated, may now be processed successfully.
- The action of the tool is such that a small amount of material is gently pushed
ahead of the tool as it moves. There is no heat created and the forces needed are
considerably less than would be required for impact riveting or squeezing.
- The forming is achieved accurately and smoothly ensuring that other parts within
the assembly are not subjected to undesirable stresses.
- The complete riveting cycle is carried out quietly and without vibration,
resulting in reduced operator fatigue and an improved working environment
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