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铸铁平行平尺

铸铁平行平尺

铸铁平行平尺的详细信息：

产品别名：铸铁平行平尺 铸铁平尺 平行平尺

铸铁平行平尺是具有精确平面的尺形量规。平尺用于以着色法、指示表法检验平板、长导轨等的平面度，也常用于以光隙法检验工件棱边的直线度。平尺一般用优质铸铁制造，矩形平尺也有用轴承钢或花岗石制造的。

铸铁平尺：按JB/T7977-99标准制造，材料HT250,工作面采用刮研或精密磨削工艺，用于机床检验中检验不平度和不直度两个工作面是配合块规，千分尺，水平仪等仪器检验，不同高度，两导轨的平行和不连接导轨的水平，并可以配合直角尺，检验只用直角尺无法检验的两机件的垂直度的量具，还适用于设备安装和检查。

规格mm 工作面直线度或平面度 工作面间平行度 侧面对工作面垂直度
精度等级um
0 1 2 0 1 2 0 1 2
500×35 3 6 12 4.5 9 18 15 30 60
750×40 4 8 15 6 12 25 20 40 80
1000×50 5 10 20 7.5 15 30 25 50 100
1500×70 7.4 15 30 10 20 40 37 75 150
2000×90 9 18 36 13.5 27 54 45 90 180
2500×90 11 22 44 16 32 65 55 110 220
3000×100 13 26 52 19.5 39 78 65 130 260
3500×100 15 30 60 22 45 90 75 150 300
4000×100 17 34 68 25 50 100 85 170 340
5000×110 21 42 84 30 60 120 105 210 420
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