按JB/T7974-99标准制造
Made according to Standard JB/T7974-99
划线、检验、测量、铆焊、装配用平台
Usage:Lineation, test, measurement, welding, mounting
精度：1-3级 Grade：1-3
材质：Material 硬度 Hardness
| 规格（mm） |
精度等级 ( μm ) |
| 1 |
2 |
3 |
精刨 |
| 1000 × 750 |
18 |
36 |
90 |
|
| 1000 × 1000 |
20 |
39 |
96 |
|
| 1200 × 1000 |
20 |
39 |
96 |
|
| 1500 × 1000 |
24 |
48 |
120 |
|
| 2000 × 1000 |
26 |
52 |
129 |
|
| 2000 × 1500 |
|
56 |
140 |
|
| 2000 × 2000 |
|
60 |
152 |
230 |
| 3000 × 1000 |
|
|
168 |
248 |
| 3000 × 1500 |
|
|
174 |
254 |
| 3000 × 2000 |
|
|
184 |
275 |
| 4000 × 2000 |
|
|
219 |
310 |
| 4000 × 3000 |
|
|
240 |
360 |
| 6000 × 3000 |
|
|
308 |
460 |
