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国家机械行业标准规定了v型架的型式和尺寸。
v型架的型式和尺寸按下图的规定：
v型架尺寸表：
| 规格 |
工作面平面度 |
V型槽对底面平行度 |
V型槽对侧面平行度 |
V型槽对两侧面对称度 |
V型槽对端面的垂直度 |
| 精度等级（μm） |
| 0 |
1 |
2 |
0 |
1 |
2 |
0 |
1 |
2 |
0 |
1 |
2 |
0 |
1 |
2 |
| Ⅰ型 |
35×35×30 |
1 |
2 |
3 |
2.5 |
5 |
10 |
2.5 |
5 |
10 |
5 |
10 |
20 |
5 |
5 |
10 |
| 60×60×50 |
1 |
2 |
3 |
2.5 |
5 |
10 |
2.5 |
5 |
10 |
5 |
10 |
20 |
5 |
5 |
10 |
| 105×105×80 |
1.5 |
3 |
5 |
4 |
8 |
15 |
4 |
8 |
15 |
8 |
16 |
30 |
8 |
8 |
15 |
| 150×150×100 |
1.5 |
3 |
5 |
4 |
8 |
15 |
4 |
8 |
15 |
8 |
16 |
30 |
8 |
8 |
15 |
| Ⅱ型 |
100×100×100 |
|
|
|
|
10 |
20 |
|
10 |
20 |
|
20 |
40 |
|
|
|
| 150×150×80 |
|
|
|
|
15 |
25 |
|
15 |
25 |
|
30 |
50 |
|
|
|
| 200×200×100 |
|
|
|
|
15 |
25 |
|
15 |
25 |
|
30 |
50 |
|
|
|
| 300×300×120 |
|
|
|
|
20 |
30 |
|
20 |
30 |
|
40 |
60 |
|
|
|
| Ⅲ型 |
200×125×100 |
2 |
4 |
6 |
4 |
8 |
15 |
4 |
8 |
15 |
8 |
16 |
30 |
8 |
8 |
15 |
| 300×180×125 |
2.5 |
5 |
8 |
5 |
10 |
20 |
5 |
10 |
20 |
10 |
20 |
40 |
10 |
10 |
20 |
| Ⅳ型 |
40×30×30 |
0.8 |
1.5 |
|
2 |
4 |
|
|
|
|
|
|
|
|
|
|
| 60×60×60 |
1 |
2 |
|
3 |
6 |
|
|
|
|
|
|
|
|
|
|
| 100×100×100 |
1.2 |
2.5 |
|
4 |
8 |
|
|
|
|
|
|
|
|
|
|
