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本帖最后由 tortelee 于 2019-10-15 21:48 编辑 / j$ n7 E4 b0 M2 b9 S, `
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楼上说的对,就是同一种坐标系,是基准坐标系,又叫datum coordinate system。" g- H; U( ~( F! V/ ~
基准坐标系是啥,我也不太懂。希望懂的能科普下概念。+ V& f @7 j1 f
NX中如何创建基准坐标系?! {/ ~2 O8 E$ K+ u# ~
1,Home tab->Feature group ->Datum SCYS# z$ G, }: s/ W- e' i# V2 u6 ~
2,在Datum对话框中,在类型上,选择Offset CSYS$ S" L. b4 Z4 C' P
3,在参考CSYS组中,从参考的表,选择已经存在的CSYS/ Q8 X- }7 G/ U' J, a! q
4,从grapphics图标中,选择额一个已经存在的datum CSYS8 f. q5 B( Y% n! a
5,In the Offset from CSYS group, type the required translation and rotation parameters. Note | The translation and rotation parameters are stored with the datum CSYS feature and can be edited as expressions. |
3 ]+ L" u0 g* F9 g/ OClick OK or Apply to create the datum CSYS. For this example, the following are used: X=75, Y=200, Z=50, Angle Y=25
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