铸铁平板形状和尺寸规定
时间:2016/1/23 11:01:55
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通常铸铁平板形状为长方形或是正方形。国家标准还规定了圆形、环形。
为了适应发展的需求,采用了国际通用的R5优先数系规定平板尺寸。考虑到630mmX630mm到1000mmX630mm之间及1000mmX1000mm到1600mmX1000MM之间间隔太大,结合我国国情,中间插入R10数系的800mmX800mm和1250mmX1250mm,两个规格尺寸。根据我国目前生产条件,平板最大规格尺寸为4000mmX2500mm.
尺寸系列
规格(mm)
|
对角线长度(mm)
|
精度
|
00级(um)
|
0级(um)
|
1级(um)
|
2级(um)
|
3级(um)
|
160x100
|
189
|
2.5
|
5.0
|
10
|
|
|
160x160
|
226
|
2.5
|
5.0
|
10
|
|
|
200x100
|
224
|
2.5
|
5.0
|
10
|
20
|
|
200x200
|
283
|
2.5
|
5.0
|
10
|
20
|
|
250x160
|
297
|
3.0
|
5.5
|
11
|
22
|
|
250x250
|
353
|
3.0
|
5.5
|
11
|
22
|
|
300x200
|
361
|
3.0
|
6.0
|
12
|
24
|
|
300x300
|
424
|
3.0
|
6.0
|
12
|
24
|
|
400x250
|
472
|
3.0
|
6.0
|
12
|
24
|
|
400x300
|
500
|
3.0
|
6.0
|
12
|
24
|
|
400x400
|
566
|
3.5
|
6.5
|
13
|
25
|
62
|
600x450
|
750
|
3.5
|
7.0
|
14
|
28
|
70
|
630x400
|
746
|
3.5
|
7.0
|
14
|
28
|
70
|
630x630
|
891
|
4.0
|
8.0
|
16
|
30
|
75
|
800x500
|
943
|
4.0
|
8.0
|
16
|
32
|
80
|
800x800
|
1131
|
4.0
|
9.0
|
17
|
34
|
85
|
1000x630
|
1182
|
4.5
|
9.0
|
18
|
35
|
87
|
1000x750
|
1250
|
4.5
|
9.0
|
18
|
36
|
90
|
1000x1000
|
1414
|
5.0
|
10.0
|
20
|
39
|
96
|
1250x1250
|
1768
|
6.0
|
11.0
|
22
|
44
|
111
|
1500x1000
|
1803
|
6.0
|
12.0
|
24
|
48
|
120
|
1600x1000
|
1887
|
6.0
|
12.0
|
23
|
46
|
115
|
1600x1600
|
2262
|
6.5
|
13.0
|
26
|
52
|
130
|
2000x1500
|
2500
|
7
|
14
|
28
|
56
|
140
|
2500x1600
|
2968
|
8.0
|
16.0
|
32
|
64
|
158
|
3000x2000
|
3606
|
|
|
46
|
92
|
184
|
4000x2500
|
4717
|
|
|
46
|
92
|
228
|
5000x3000
|
5821
|
|
|
|
|
272
|





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