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本帖最后由 tortelee 于 2019-10-15 21:48 编辑
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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。 F. |% X! W5 G- Q& h5 m
基准坐标系是啥,我也不太懂。希望懂的能科普下概念。% D$ v* z. E' _6 l& `
NX中如何创建基准坐标系?
0 u/ L1 @* J: m' _3 V1,Home tab->Feature group ->Datum SCYS% i _0 _ F- o3 W
2,在Datum对话框中,在类型上,选择Offset CSYS. g1 j* R) U) y+ k9 ~3 [6 M1 u
3,在参考CSYS组中,从参考的表,选择已经存在的CSYS6 j* b' g5 J) A. J" a$ q( l
4,从grapphics图标中,选择额一个已经存在的datum CSYS2 l2 d5 y0 W( A+ r% S1 I; T0 u
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. | ! b- [+ n" k& P0 T
Click 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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