花岗石方箱
规格 mm
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平行度
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平面度
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垂直度
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花岗石方箱精度等级( um )
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00
|
0
|
00
|
0
|
00
|
0
|
|
100 × 100 × 100
|
1
|
2
|
1
|
2
|
1
|
2
|
150 × 150 × 150
|
1.5
|
3
|
1
|
2
|
1.5
|
3
|
200 × 200 × 200
|
2
|
4
|
1.5
|
3
|
2
|
4
|
250 × 250 × 250
|
2.5
|
5
|
1.5
|
3
|
2.5
|
5
|
300 × 300 × 300
|
3
|
6
|
1.5
|
3
|
3
|
6
|
500 × 500 × 500
|
5
|
10
|
2.5
|
6
|
5
|
10
|