Friday, March 28, 2014
Explanation of a Parallel Pin Punch
Removing a locking pin from a drive shaft or pulley can be tricky without the right tools. A parallel pin punch makes removing pins a simple task for engineers and mechanics.
Description
A parallel pin punch is a solid metal punch with a striking plate at one end. The opposite end of the punch is turned to a specific diameter. The sides of the punch are not tapered. Parallel pin punches are available in variety of sizes, and may have a rubberized grip or a guard to protect the hand from poorly aimed hammer blows.
Use
Choose a parallel pin punch with a diameter matching the pin to be removed, and place the punch on the end of the pin. Grip the punch firmly and strike the end with a hammer. Loosening the pin beforehand with a tapered punch makes the parallel punch easier to align and prevents damage to the end of the punch.
Alternative Uses
Parallel pin punches can be used to align holes in metal plates or other objects, provided that the holes are of equal diameter and run parallel to each other. A parallel pin punch may also be used as a peg to hold multiple holed plates in alignment while drilling or tapping occurs. Parallel pin punches are used in woodworking to drive a nail further into a surface without impacting the surrounding wood.
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