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What Is The Use Of Square

Dec 10, 2017

The square is mainly used for positioning; high point with blisters;

The rod is made of steel strip with scale on it. The top grade is also made of stainless steel.

The diameter of a circle with a square test

One method

1, in the round side round string 1#, chord length in scale range;

2, with the amount of 1# string square center, center point for the vertical 2#;

3, in the circle of a string 3#, string 1# and about 90 degrees, in the range of chord length scales;

4, synchronous sudden 3, the vertical line 4# of the 3# string;

The intersection of 5, 2# and 4# lines is the center of the circle.

6, with the square measure radius, radius diameter = *2