定货序号 Order No 规格 Dimension (mm) 工作面直线度公差 Beeline tolerance of working surface (μm) 上下工作面平行度公差 Parallelism tolerance between the upper and lower measuring surfaces (μm) 侧面对工作面垂直度 Perpendicularity between side & measuring surface(μm) grade00 grade0 grade00 grade0 grade00 grade0 Txc×60×25 1.6 1.6 2.4 3.9 8 13 Txc×100×35 2.1 3.5 3.2 5.3 10.5 18 Txc×160×50 3.0 5.0 4.5 7.5 15 25 Txc×250×80 4.4 7.4 6.6 11.1 22 37 Txc×300×100 5.4 9.0 8.1 13.5 27 45