Main Menu
Sub Menu
Contents

Precision mini Plate Accuracy Standards

Accuracy Standards

6sides precision milled

Dimensional allowance of W, L and T

  L
50 or more
and up to 400

More than 400
and up to 500

Allowance of
W, L
and T

+0.2 ~ + 0.3 +0.2 ~ + 0.4

 

 

Uniformity of thickness (T)

  L
Less than 100 100 or more
and up to 500
Tolerance 0.02 0.02 per 100mm

 

 

Flatness of both faces of T

T L
Less than 100 100 or more
and up to 500
5 or more and up to 15 0.050 0.050 per 100mm
More than 15 and up to 25 0.030 0.030 per 100mm
More than 25 and up to 40 0.020 0.020 per 100mm
More than 40 and up to 60 0.015 0.015 per 100mm

 

 

Squareness of reference plane

  L
Less than 100  100 or more
and up to 500
Tolerance 0.015 0.015 per 100mm

 

 

Chamfer all around

C up to 0.2

4 sides precision milled and 2 sides(Top and Bottom) rotary ground (option)

Dimensional allowance of W,L and T

  L
50 or more
and up to 400
More than 400
and up to 500
Allowance of W,L and T +0.2 ~ + 0.3 +0.2 ~ + 0.4
Allowance of T 0 ~ +0.1 0 ~ +0.2

 

 

Uniformity of thickness (T)

  L
Less than 100 100 or more
and up to 500
Tolerance 0.012 0.012 per 100mm

 

 

Flatness of both faces of T

T L
Less than 100 100 or more and up to 500
5 or more and up to 15 0.030 0.030 per 100mm
15 or more and up to 25 0.020 0.020 per 100mm
25 or more and up to 40 0.015 0.015 per 100mm
40 or more and up to 60 0.010 0.010 per 100mm

 

 

Squareness of reference plane

  L
Less than 100 100 or more
and up to 500
Tolerance 0.015 0.015 per 100

 

 

Chamfer all around

C0.2