Be designed on practical
Lower price and high quality
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Welcome to order
Lower price and high quality
Fast delivery and best customer service
Welcome to order
Cast Iron Box Cube
According to JB/T3411.56-99 ,be made on standard ,material is HT200.
The use of square boxes: for test, measurement, scribing, equipment installation, construction of industrial engineering. For parts parallelism, perpendicularity and inspection and crossed, universal square boxes used for inspection or draw the precision of the workpiece at any angle line.
Standard as follow:
| flatness of working surface |
Face perpendicularity, parallelism
and parallelism of the V-groove
on the underside and side
|
|||||
| TYPE | ||||||
| (mm) | ||||||
|
precision grade(um)
|
||||||
| 1 | 2 | 3 | 1 | 2 | 3 | |
| 100 | 3.5 | 7 | 15 | 7 | 15 | 30 |
| 150 | 4 | 9 | 17 | 8 | 18 | 35 |
| 200 | 4.5 | 10 | 20 | 9 | 20 | 40 |
| 250 | 5 | 11 | 22 | 10 | 22 | 45 |
| 300 | 12 | 25 | 25 | 50 | ||
| 350 | 13 | 27 | 27 | 55 | ||
| 400 | 15 | 30 | 30 | 60 | ||
| 500 | 35 | 70 | ||||
|
600
|
40 |
80
|
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Salable Cast Iron Box Cube