Cycles
2.5 Turning cycles
Turning Part 2: Programming (Siemens instructions)
Programming and Operating Manual, 05/2012, 6FC5398-5DP10-0BA0
181
2.5.7 Thread chaining - CYCLE98
Programming
CYCLE98 (PO1, DM1, PO2, DM2, PO3, DM3, PO4, DM4, APP, ROP, TDEP, FAL, IANG,
NSP, NRC, NID, PP1, PP2, PP3, VARI, NUMTH, _VRT)
Parameters
Parameter Data type Description
PO1 REAL Thread starting point in the longitudinal axis
DM1 REAL Thread diameter at the starting point
PO2 REAL First intermediate point in the longitudinal axis
DM2 REAL Diameter at the first intermediate point
PO3 REAL Second intermediate point
DM3 REAL Diameter at the second intermediate point
PO4 REAL Thread end point in the longitudinal axis
DM4 REAL Diameter at the end point
APP REAL Run-in path (enter without sign)
ROP REAL Run-out path (enter without sign)
TDEP REAL Thread depth (enter without sign)
FAL REAL Finishing allowance (enter without sign)
IANG REAL Infeed angle
Range of values: "+" (for flank infeed at the flank), "-" (for
alternating flank infeed)
NSP REAL Starting point offset for the first thread turn (enter without sign)
NRC INT Number of roughing cuts (enter without sign)
NID INT Number of idle passes (enter without sign)
PP1 REAL Thread lead 1 as a value (enter without sign)
PP2 REAL Thread lead 2 as a value (enter without sign)
PP3 REAL Thread lead 3 as a value (enter without sign)
VARI INT Definition of the machining type for the thread
Range of values: 1 ... 4
NUMTH INT Number of thread turns (enter without sign)
_VRT REAL Variable retraction path based on initial diameter, incremental
(enter without sign)