Helical Interpolation (G2/G3, Turn=) - Siemens SINUMERIK 840DE Programming Manual

Programming Motion Commands

4.12 Helical interpolation (G2/G3, TURN=)

4.12 Helical interpolation (G2/G3, TURN=)
Function
Helical interpolation (helix interpolation) can be used to manufacture threads and oil grooves,
for example.
In helical interpolation, two movements are superimposed and executed in parallel:
• A horizontal circular movement, on which
• a vertical linear movement is superimposed.
Programming
G2/G3 X... Y... Z... I... J... K... TURN=
Or
G2/G3 X... Y... Z... I... J... K... TURN=
Or
G2/G3 AR=... I... J... K... TURN=
Or
G2/G3 AR=... X... Y... Z... TURN=
Or
G2/G3 AP... RP=... TURN=
4-36
Y
10
25
Y
15
X Z
Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
Fundamentals