Thread Cutting - Cycle97 - Siemens SINUMERIK 840D Programming Manual

4
Turning Cycles
4.7 Thread cutting – CYCLE97
4.7 Thread cutting – CYCLE97
Programming
CYCLE97 (PIT, MPIT, SPL, FPL, DM1, DM2, APP, ROP, TDEP, FAL, IANG, NSP,
NRC, NID, VARI, NUMT, _VRT)
Parameters
real
PIT
real
MPIT
real
SPL
real
FPL
real
DM1
real
DM2
real
APP
real
ROP
real
TDEP
real
FAL
real
IANG
real
NSP
int
NRC
int
NID
int
VARI
int
NUMT
real
_VRT
from SW
6.2 or
higher
4-308
Thread pitch as value (enter without sign)
Thread pitch as thread size
Value range 3 (for M3) ... 60 (for M60)
Starting point of the thread in the longitudinal axis
End point of the thread in the longitudinal axis
Diameter of the thread at the starting point
Diameter of the thread at the end point
Arc-in section (enter without sign)
Arc-out section (enter without sign)
Thread depth (enter without sign)
Final machining allowance (enter without sign)
Infeed angle
Value range: "+" (for flank infeed on flank)
"–" (for alternating flank infeed)
Starting point offset for the first thread (enter without sign)
Number of rough cuts (enter without sign)
Number of noncuts (enter without sign)
Definition of the machining type for the thread
Value range: 1 ... 4
Number of threads (enter without sign)
Variable retraction distance based on initial diameter, incremental
(enter without sign)
SINUMERIK 840D/840Di/810D Programming Guide Cycles (PGZ) – 11.02 Edition
4
03.96
09.01
© Siemens AG, 2002. All rights reserved