Siemens SINUMERIK 840D sl Operating Manual page 414

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Programming technological functions (cycles)
8.5 Contour turning - only for G code programs
Contour element "Straight line e.g. Z"
Parameters
Z
α1
α2
Transition to next
element
Radius
Undercut
Chamfer
CA
Additional commands
Contour element "Straight line e.g. X"
Parameters
X
α1
α2
Transition to next
element
Radius
Undercut
414
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
Description
End point X ∅ (abs) or end point X (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
Operating Manual, 09/2011, 6FC5398-7CP40-2BA0
Unit
mm
Degrees
Degrees
mm
mm/rev
Degrees
mm
mm
mm
mm
mm
mm
mm
Unit
mm
Degrees
Degrees
mm
Milling

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