Undercut Cycle - Cycle94 - Siemens SINUMERIK 840D Programming Manual

03.96
4
4.4 Undercut cycle – CYCLE94
Programming
CYCLE94 (SPD, SPL, FORM)
Parameters
SPD
real
SPL
real
FORM
char
Function
With this cycle you can machine undercuts of form E
and F in accordance with DIN509 with the usual load on
a finished part diameter of >3 mm.
Another cycle CYCLE96 exists for producing thread
undercuts (see Section 4.6).
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SINUMERIK 840D/840Di/810D/FM-NC Programming Guide, Cycles (PGZ) - 04.00 Edition
Starting point in the facing axis (enter without sign)
Starting point of the contour in the longitudinal axis
(enter without sign)
Definition of the form
Values: E (for form E)
F (for form F)
4.4 Undercut cycle – CYCLE94
Form F
Turning Cycles
4
Form E
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