NX 8 CAM 青华科技五轴加工高级篇

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Contour Profile Ring Height Control
Shift the tool along its axis to determine contact ring
# l% j# z7 a6 Z+ m" A4 JConstant or Variable Ring height
. N. X8 M/ i6 I3 n# V, E! XConical tools are supported.
* y( h- z' V& k1 ^. K5 @3 e; ^Will not gouge the floor Customer value
8 Z0 C$ B- d7 A0 R' @With convex curved walls, shifting the tool dramatically reduces the scallops, providing better finish with shorter machining time.
7 N5 ^! a7 i0 l1 V( S/ aVariable shift equalizes the tool wear along the flutes
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Contour Profile Floor cleanup passes
•Limit output only to Floor and Wall passes.
; V* y; q* X# ~5 g' v3 t0 j•Avoid air cutting of multiple passes Customer value
•Overlap of wall finish operation with the floor finish operation.
•Crucial if floor finish is cut first with wall stock.
; h- W- h/ G! t' @- e8 R) O- T•Allows variable axis non steep corner cleanup

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Contour Profile Start Point Control
•Start Point options for closed contours
2 c  {/ F( y6 \/ V# P/ BMid point along longest wall (previous behavior)
( ^7 M4 S5 R  ^Corner automatic selection
1.Sharp convex corner
2.Midpoint of concave corner
( t! t' [* ^# z: H, j& g5 ~3.Midpoint of convex corners
4 @6 t* N  ?% T! u4 Q4.Sharp concave corners
Specified point

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五轴等高 5-Axis Z-Level
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五轴等高(Z Level) 套用于等高刀具路径轴。五轴等高刀具路径是平面等高路径，刀轴对路径套用倾斜。五轴等高能使用几种方式套用刀轴倾斜。只有球刀和圆角刀对于这种操作类型有效。
- 远离零件
- 朝向/远离点
; w' k0 r/ f$ w( ]& Q- 朝向/远离曲线

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五轴等高
允许短刀深切垂直侧壁以提升加工效率
( j% o; U- ^+ A3 T$ o只允许球头端铣刀

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五轴等高加工(Five Axis Zlevel)
刀轴自动倾角(C) 的计算基于 : 最大壁高(A) 及 最小间隙 (B)
, r6 U" o6 F5 L  D  H最大壁高设为 10
最大壁高设为 50
# B4 d. ]' T0 D- g! W/ y6 W0 C最大壁高设为 1
最大壁高设为 2
最大壁高设为 3
6 Z9 @0 F8 u- h自动刀轴摆角的计算
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五轴等高铣的刀轴矢量控制方式
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刀位点在XY平面上距驱动曲线最近的2D距离决定刀轴方向. 侧倾角选项控制刀轴相对于加工座标系Z轴的角度
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五轴等高铣练习: 各种刀轴控制方法
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五轴等高铣练习: 优化等高选项 (Optimized Cut Levels)

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五轴等高铣实例练习

; j# r+ }# r# e5 OA9305_c201.prt
# u4 L* }1 J1 T' Q8 z先简化模型,再分别用五轴等高及螺
$ {4 f) o% W0 M& V" p& |" I旋向下铣削两种方法进行编程
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3 `4 c8 ^6 ~5 Q! |- P7 WHaier_Mould_bumpler_mold_mfg.prt
选择合适区域进行五轴等高清角加工选择合
适区域进行五轴等高加工,分别使用朝向点及
& f* j, Q3 _8 o3 ]3 F朝向曲线,自动计算等合适的刀轴控制方法进
行编程(辅助曲线及点自行定义)