Undercut (Forms E And F To Din) - Cycle94 - Siemens sinumerik 808d Programming And Operating Manual

2.5.4

Undercut (forms E and F to DIN) - CYCLE94

Programming
CYCLE94(SPD, SPL, FORM, VARI)
Parameters
Parameter
SPD
SPL
FORM
VARI
Function
This cycle can be used to perform undercuts to DIN509 of forms E and F with standard
requirements at a finished diameter of >3 mm.
Sequence
Position reached prior to cycle start:
The starting position can be any position from which the undercut can be approached
without collision.
The cycle creates the following sequence of motions:
● Approach of the starting point determined in the cycle by using G0
Turning Part 2: Programming (Siemens instructions)
Programming and Operating Manual, 05/2012, 6FC5398-5DP10-0BA0
Data type Description
REAL Starting point in the transversal axis (enter without sign)
REAL Starting point of the tool compensation in the longitudinal axis
(enter without sign)
CHAR Definition of the form
Values: E (for form E), F (for form F)
INT Specification of undercut position
Values:
0: according to tool cutting edge position
1...4: define position
Cycles
2.5 Turning cycles
157