铸铁平行平尺精度表：
|
规格 mm |
工作面直线度或平面度 |
工作面间平行度 |
侧面对工作面垂直度 |
||||||
|
精度等级 um |
|||||||||
|
0 |
1 |
2 |
0 |
1 |
2 |
0 |
1 |
2 |
|
|
500 × 35 |
3 |
6 |
12 |
4.5 |
9 |
18 |
15 |
30 |
60 |
|
750 × 40 |
4 |
8 |
15 |
6 |
12 |
25 |
20 |
40 |
80 |
|
1000 × 50 |
5 |
10 |
20 |
7.5 |
15 |
30 |
25 |
50 |
100 |
|
1500 × 70 |
7.4 |
15 |
30 |
10 |
20 |
40 |
37 |
75 |
150 |
|
2000 ×9 0 |
9 |
18 |
36 |
13.5 |
27 |
54 |
45 |
90 |
180 |
|
2500 ×9 0 |
11 |
22 |
44 |
16 |
32 |
65 |
55 |
110 |
220 |
|
3000 × 100 |
13 |
26 |
52 |
19.5 |
39 |
78 |
65 |
130 |
260 |
|
3500 × 100 |
15 |
30 |
60 |
22 |
45 |
90 |
75 |
150 |
300 |
|
4000 × 100 |
17 |
34 |
68 |
25 |
50 |
100 |
85 |
170 |
340 |
|
5000 × 110 |
21 |
42 |
84 |
30 |
60 |
120 |
105 |
210 |
420 |
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