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HOW TO USE A CENTRE SQUARE

V. Ryan 2002 - 2009

 

 

A Centre Square can be used to find the centre of a piece of round material. It is virtually impossible to do this through guess work. The centre square is probably one of the simplest tools ever designed as it is composed of only two pieces of material. When placed up against a round piece of material such as a round section of steel it can be used to find the centre accurately.
 

   
 
   
The procedure for using the centre square to find the centre of round section material is seen below. 
 
 
 
The technique is straight forward.
1. Place the centre square against the round section material.
2. Draw/scribe a line right across it.
3. Rotate the round material a little and draw/scribe a line again.

Where the two lines cross is the centre of the material.

 

 
 

 

QUESTIONS:
1. Draw a centre square.
2. Explain through the use of diagrams how the centre of a round section piece of material is found using a centre square.
   
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