花岗石检测用平板
花岗石检测用平板
| 花岗石平板精度依据中国标准JB/T7975-1999 | |||||||
| 000级=1x(1+d/1000)μm | Grade 00=2x(1+d/1000)μm | ||||||
| Grade 0=4x(1+d/1000)μm | Grade 1=8x(1+d/1000)μm | ||||||
| d为对角线 mm | |||||||
| 测量温度为 20 ±2℃ | |||||||
| 规格 | 精度000级 | 精度00级 | 精度0级 | 精度1级 |
| Specs (mm) | Grade 000 flatness(μm) | Grade 00 flatness(μm) | Grade 0 flatness(μm) | Grade 1 flatness(μm) |
| 300x200x50 | 1.5 | 3 | 5.5 | 11 |
| 300x300x70 | 1.5 | 3 | 5.5 | 11 |
| 400x250x70 | 1.5 | 3 | 6 | 12 |
| 400x400x100 | 2 | 3.5 | 6.5 | 13 |
| 450x300x100 | 2 | 3 | 6 | 12 |
| 500x500x100 | 2 | 3.5 | 7 | 14 |
| 600x450x100 | 2 | 3.5 | 7 | 14 |
| 600x600x130 | 2 | 4 | 8 | 16 |
| 750x500x130 | 2 | 4 | 8 | 16 |
| 800x500x130 | 2 | 4 | 8 | 16 |
| 1000x630x150 | 2.5 | 4.5 | 9 | 18 |
| 1000x750x150 | 2.5 | 4.5 | 9 | 18 |
| 1000x1000x150 | 2.5 | 5 | 10 | 20 |
| 1200x800x150 | 2.5 | 5 | 10 | 20 |
| 1200x900x150 | 2.5 | 5 | 10 | 20 |
| 1500x1000x200 | 3 | 6 | 11 | 22 |
| 2000x1000x200 | 3.5 | 6.5 | 13 | 26 |
| 2000x1500x250 | 3.5 | 7 | 14 | 28 |
| 3000x1000x300 | 4.5 | 9 | 18 | 37 |
| 3000x1500x300 | 4.5 | 9 | 18 | 37 |
| 3000x2000x300 | 4.5 | 9 | 18 | 36 |
| 4000x2500x500 | 6 | 11.5 | 23 | 46 |
| 5000x3000x500 | 7 | 13.5 | 27 | 56 |
