花崗石檢測用平板

花崗石檢測用平板
花崗石平板精度依據中國標準JB/T7975-1999 | |||||||
000級=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為對角線 mm | |||||||
測量溫度為 20 ±2℃ |
規格 | 精度000級 | 精度00級 | 精度0級 | 精度1級 |
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 |