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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 20957.4-2007 |
Test conditions for precision machining centres - Part 4：Accuracy and repeatability of positioning of linear and rotary axes 精密加工中心检验条件 第4部分：线性和回转轴线的定位精度和重复定位精度检验 |
China National Standards Test conditions precision |
 English PDF |
| GB/T 20957.7-2007 |
Test conditions for precision machining centres - Part 7: Accuracy of a finished test piece 精密加工中心检验条件 第7部分：精加工试件精度检验 |
China National Standards Test conditions precision |
English PDF |
| GB/T 20957.5-2007 |
Test conditions of precision machining centres - Part 5: Tests for accuracy and repeatability of positioning of work-holding pallets 精密加工中心检验条件 第5部分：工件夹持托板的定位精度和重复定位精度检验 |
China National Standards Test conditions precision |
English PDF |
| GB/T 20957.1-2007 |
Test conditions for precision machining centres - Part 1: Geometric tests for machines with horizontal spindle and with accessory heads (horizontal Z axis) 精密加工中心检验条件 第1部分：卧式和带附加主轴头机床几何精度检验(水平Z轴) |
China National Standards Test conditions precision |
English PDF |
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