Granite plates are manufactured according to the standards of developed countries; the flatness toler ance is in accordance with granite surface plate standard of GB/T20428-2006 and the Verification Regulation of plates JJG117-2005.
Measuring Temperature 20±2℃
Grade 000: 1x(1+d/1000)
Grade 00: 2x(1+d/1000)
Grade 0: 4x(1+d/1000)
Grade 1: 8x(1+d/1000)
(d for diagonal length, mm)
1.Inspection Surface Plate Precision CDGP series
Order No. | Type(mm) | Grade 000 flatness(μm) | Grade 00 flatness(μm) | Grade 0 flatness(μm) | Grade flatness (μm) | N.W.(kg) |
Precision grade(μm) | ||||||
CDGP100-1001 | 300x200x50 | 0.9 | 1.8 | 3.6 | 7.0 | 9 |
CDGP100-1002 | 300x300x70 | 1.0 | 1.9 | 3.8 | 7.5 | 19 |
CDGP100-1003 | 400x250x70 | 1.0 | 2.0 | 4.0 | 8.0 | 21 |
CDGP100-1004 | 400x400x70 | 1.2 | 2.3 | 4.5 | 9.0 | 34 |
CDGP100-1005 | 630x400x100 | 1.3 | 2.5 | 5.0 | 10.0 | 77 |
CDGP100-1006 | 630x630x100 | 1.3 | 2.5 | 5.0 | 10.0 | 121 |
CDGP100-1007 | 800x500x130 | 1.4 | 2.7 | 5.3 | 11.0 | 159 |
CDGP100-1008 | 900x600x130 | 1.5 | 2.9 | 5.7 | 11.5 | 215 |
CDGP100-1009 | 1000x630x150 | 1.5 | 3.0 | 6.0 | 12.0 | 290 |
CDGP100-1010 | 1000x750x150 | 1.6 | 3.2 | 6.3 | 12.5 | 345 |
CDGP100-1011 | 1000x1000x150 | 1.8 | 3.5 | 7.0 | 14.0 | 460 |
CDGP100-1012 | 1600x1000x200 | 2.0 | 4.0 | 8.0 | 16.0 | 982 |
CDGP100-1013 | 1600x1600x200 | 2.4 | 4.8 | 9.5 | 19.0 | 1572 |
CDGP100-1014 | 2000x1000x200 | 2.4 | 4.8 | 9.5 | 19.0 | 1228 |
CDGP100-1015 | 2000x1600x250 | 2.5 | 5.0 | 10.0 | 20.0 | 2456 |
CDGP100-1016 | 2500x1600x300 | 2.9 | 5.8 | 11.5 | 23.0 | 3684 |
CDGP100-1017 | 3000x2000x400 | 3.3 | 6.5 | 13.0 | 27.0 | 7368 |
CDGP100-1018 | 4000x2000x500 | 4.0 | 8.0 | 16.0 | 32.0 | 12280 |
CDGP100-1019 | 4000x2500x500 | 4.4 | 8.8 | 17.5 | 35.0 | 15350 |
2. Granite Measuring Instruments Base CDGB series
Order No. | Type(mm) | Size of column(mm) | Flatness of base working surface | Measuring Range(mm) |
CDGB800-8001 | 150×100×40 | 150×φ18 | 2 | 0-100 |
CDGB800-8002 | 200×150×50 | 300×φ35 | 2 | 0-250 |
CDGB800-8003 | 200×200×50 | 300×φ35 | 2 | 0-250 |
Application
Granite plates are widely used as base and column in precision instruments, such as coordinate measuring machine, vision measuring machine, machine tool etc.