A fly press is a metalworking machine used to shape metal by deforming its plasticity.
It is frequently used to punch holes in sheet metal in one operation rather than cutting the hole or drilling. The machine is manually operated.
The fly press works by using a coarse screw to convert the gross rotation of an overhead handle into a small downward movement with the force multiplied up considerably.
The overhead handle is counterbalanced using a flyweight.
The flyweight helps to maintain the momentum and thrust of the toll as it punches or compresses the material.
If used a a punch, the tool itself consists of a punch and a matching die into which it closely fits. Both are precision machined and then hardened.
The material is introduced between the punch and the die and the machine is operated.
The punch will cut through the material in one movement by shearing it.
The punch and die may be of any desired shape allowing odd shaped holes and cut outs to be performed.
Fly pressed part.
Fly pressed sculpture Wayne Victor Meeten.
Fly press.
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