Material: granite
Standard: GB/T 20428-2006
Specification: The maximum workability is 3000mm in width and 6000mm in length or customize (special size is acceptable following customers’requirement)
Surface: T-slots, dovetail-shaped slots, holes, etc.
Hardness of the working surface: HS70
Surface treatment: ground finish
Precision grade: 0-2
Packaging: plywood box
Technical specification of granite surface plate
No. | Width X Length(mm) | Precision Grade | ||
0 | 1 | 2 | ||
Flatness tolerance(um) | ||||
1 | 1000X750 | 6 | 12.5 | 25 |
2 | 1000X1000 | 7 | 13.5 | 27 |
3 | 1000X1200 | 7 | 14 | 29 |
4 | 1000X1500 | 8 | 16 | 32 |
5 | 1000X2000 | 9 | 18.5 | 37 |
6 | 1500X2000 | 10 | 20 | 40 |
7 | 1500X2500 | 11 | 22.5 | 45 |
8 | 1500X3000 | 13 | 25 | 50 |
9 | 2000X2000 | 11 | 22 | 44 |
10 | 2000X3000 | 13 | 27 | 53 |
11 | 2000X4000 | 16 | 32 | 64 |
12 | 2000X5000 | 19 | 37 | 75 |
13 | 2000X6000 | 22 | 43 | 86 |
14 | 2000X7000 | 25 | 49 | 97 |
15 | 2000X8000 | 27.5 | 54.5 | 109 |
16 | 2500X3000 | 14.5 | 28.5 | 57 |
17 | 2500X4000 | 16.5 | 33 | 67 |
18 | 2500X5000 | 39 | 77 | |
19 | 2500X6000 | 44 | 88 | |
20 | 2500X7000 | 50 | 99 | |
21 | 2500X8000 | 55 | 110 | |
22 | 3000X3000 | 30.5 | 61 | |
23 | 3000X4000 | 35 | 70 | |
24 | 3000X5000 | 40 | 80 | |
25 | 3000X6000 | 45 | 90.5 | |
26 | 3000X7000 | 51 | 101 | |
27 | 3000X8000 | 56 | 112.5 | |
28 | 4000X4000 | 39 | 78 | |
29 | 4000X5000 | 43 | 87 | |
30 | 4000X6000 | 48 | 96.5 | |
31 | 4000X7000 | 53 | 107 | |
32 | 4000X8000 | 59 | 117 |