Siemens SINUMERIK 840D sl Operating Manual page 359

Contour element "Straight line e.g. Z"
Parameters
Z
α1
α2
Transition to next
element
Radius
Undercut
Chamfer
CA
Additional commands
Turning
Operating Manual, 02/2012, 6FC5398-8CP40-3BA0
Description
End point Z (abs or inc)
Starting angle to Z axis
Angle to the preceding element
Type of transition
Radius

Undercut

Chamfer

R Transition to following element - radius
Form E Undercut size
e.g. E1.0x0.4
Form F Undercut size
e.g. F0.6x0.3
DIN thread P Thread pitch
α Insertion angle
Thread Z1 Length Z1
Z2 Length Z2
R1 Radius R1
R2 Radius R2
T Insertion depth
FS Transition to following element - chamfer
Grinding allowance
Grinding allowance to right of contour

Grinding allowance to left of contour

Additional G code commands
Programming technology functions (cycles)
8.3 Contour turning
Unit
mm
Degrees
Degrees
mm
mm/rev
Degrees
mm
mm
mm
mm
mm
mm
mm
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