HEIDENHAIN TNC 426 (280 460) Training Advanced - Manual (Page 97)

HEIDENHAIN
Advanced course TNC 4xx
Task: Program(s): Hemisphere, external machining
with spherical mill, working
downwards, 2½ D, horizontal
C05
72841/1
Procedure:
Tools:
• Full circles (vertical positions) in X/Y
• Setting with angular steps in Z/X
• Pre-machining e.g. with contour island or
helical interpolation
• (Roughing out with end mill R5)
• Finishing with spherical mill R5
100
40
0
100
0
50
50
0
R35
50
R5
35