Granite Inspection Surface Plate components made of granite, including base column, beam and railway, with a maximum dimension of 3000*2000*600mm.
We can provide our customers with a great variety of granite pieces which can be used for construction of drilling and milling machines for printed circuit and milling machines for printed circuit board.
Granite Inspection Surface Plate
TRPE (mm) | Weight Approx. (kg) | Length of Diagonal (mm) | Grade000
(μm) | Grade00
(μm) | Grade0
(μm) | Grade1
(μm) | |
400*250*70 | 21 | 472 | 1.5 | 3 | 5 | 10 | |
400*400*100 | 48 | 568 | 1.5 | 3 | 6 | 12 | |
630*400*100 | 76 | 746 | 2 | 4 | 8 | 16 | |
630*630*130 | 155 | 891 | 2.2 | 4.5 | 9 | 18 | |
800*500*130 | 156 | 943 | 2.2 | 4.5 | 9 | 18 | |
1000*630*150 | 284 | 1182 | 2.2 | 5 | 10 | 20 | |
300*200*50 | 9 | 360 | 1 | 2 | 4 | 8 | |
300*300*70 | 19 | 424 | 1 | 2 | 4 | 8 | |
1000*750*150 | 338 | 1250 | 2.2 | 5 | 10 | 20 | |
1000*1000*150 | 450 | 1414 | 2.5 | 5.5 | 11 | 22 | |
1200*800*150 | 432 | 1442 | 2.5 | 5 | 10 | 20 | |
1600*1000*200 | 960 | 1887 | 2.8 | 6 | 12 | 24 | |
2000*1000*250 | 1500 | 2136 | 3.5 | 7 | 14 | 28 | |
2000*1600*300 | 2880 | 2561 | 3.5 | 7 | 14 | 28 | |
2500*1600*300 | 3600 | 2968 | 4 | 8 | 16 | 32 | |
3000*2000*500 | 9000 | 3605 | 4.5 | 8 | 18 | 36 | |
4000*2500*500 | 15350 | 4717 | 6 | 11.5 | 23 | 46 | |
· Granite Squares
TRPE (mm) | Squareness betwee measuring surface and datum surface | Flatness&straightness Ofmeasuring suface | Flatness&straightness Ofdatum surface | |||
Precision grade(μm) | ||||||
00 | 0 | 00 | 0 | 00 | 0 | |
100*63 | 2 | 4 | 1 | 1 | 1 | 1 |
160*100 | 2 | 4 | 1 | 2 | 1 | 1 |
250*160 | 2.5 | 5 | 1 | 2 | 1 | 2 |
400*250 | 3.5 | 7 | 1 | 2.5 | 1 | 2 |
630*400 | 4.5 | 9 | 1.5 | 3 | 1 | 2.5 |
1000*630 | 6 | 12 | 2.5 | 5 | 1.5 | 3 |
Forinspecting machine spindle and else aquareness work-pieces
POSITION: 
