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granite bed plate :1.for inspecting paralielism for work-pieces also for replacing the working blocks at the same height when required.
2.supplied in matched pairs.
TYPE | Flatness of working surface¶llelism or opposite surface | Squareness between working surfaces | Tolerance of H.W between a marched pair | |||||
Precision grade(µm) | ||||||||
00 | 0 | 00 | 0 | 00 | 0 | |||
160*25*16 | 1.5 | 3 | 20 | 40 | 1.5 | 3 | ||
250*40*25 | 2 | 4 | 30 | 60 | 2 | 4 | ||
400*63*40 | 4 | 8 | 40 | 80 | 4 | 8 | ||
630*100*63 | 6 | 12 | 50 | |||||
large and stable high granite precision base