granite surface plate material:cast iron
make :according to customer required design
Specification:100*100-900*600(mm*mm)
granite surface plate functional:
Made according to sandard JB/T7974-99 , rib type or case type ,recangle/round surface , working surface made by skiving ,groove V/T/U shape and hole of longround shape can be made at the surface of the plate .The surface plate is a plane standard equipment used for testing and drawing of work pieces on it ,The surface plate shall be adjustable to horizontal positaion and laded evenly on each pivot , Environmental temperatire(20±5),and vibration shall be avoided when using
granite surface plate specification:
Type(mm) | Precision Grade(μm) | |||
| 1 | 2 | 3 | Final Machining |
2000*1000 | 20 | 39 | 96 |
|
1500*1000 | 24 | 48 | 120 |
|
1500*1500 | 25 | 50 | 125 |
|
2000*2000 | 26 | 52 | 129 |
|
2000*1500 |
| 56 | 140 |
|
2000*2000 |
| 60 | 152 |
|
2500*1500 |
| 64 | 152 |
|
2500*2000 |
| 68 | 168 |
|
2500*2500 |
| 72 | 180 | 230 |
3000*1000 |
|
| 168 | 230 |
3000*1500 |
|
| 174 | 254 |
3000*2000 |
|
| 184 | 275 |
3000*2500 |
|
| 186 | 276 |
3000*3000 |
|
| 210 | 300 |
4000*1000 |
|
| 210 | 300 |
4000*1500 |
|
| 210 | 300 |
4000*2000 |
|
| 219 | 340 |
4000*2500 |
|
| 228 | 340 |
4000*3000 |
|
| 240 | 360 |
5000*1500 |
|
| 249 | 370 |
5000*2000 |
|
| 255 | 375 |
5000*2500 |
|
| 264 | 390 |
5000*3000 |
|
| 287 | 420 |
6000*1500 |
|
| 287 | 420 |
