Circular Spigot Milling - Cycle77 - Siemens SINUMERIK 840D sl Programming Manual

18.1.18

Circular spigot milling - CYCLE77

Programming
CYCLE77(REAL _RTP, REAL _RFP, REAL _SDIS, REAL _DP, REAL _DPR, REAL
_CDIAM, REAL _PA, REAL _PO, REAL _MID, REAL _FAL, REAL _FALD, REAL
_FFP1, REAL _FFD, INT _CDIR, INT _VARI, REAL _AP1, REAL _FS, REAL
_ZFS, INT _GMODE, INT _DMODE, INT _AMODE)
Parameters
No. Param Param
mask internal
1 RP _RTP
2 Z0 _RFP
3 SC _SDIS
Z1 _DP
4
_DPR
5
6 ∅ _CDIAM
7 X0 _PA
8 Y0 _PO
9 DZ _MID
UXY _FAL
10
UZ _FALD
11
12 FX _FFP1
13 FZ _FFD
14 _CDIR
15 _VARI
16 _AP1
∅1
17 FS _FS
18 ZFS _ZFS
Job Planning
Programming Manual, 03/2013, 6FC5398-2BP40-3BA1
Explanation
Retraction plane (abs)
Reference point of tool axis (abs)
Safety clearance (to be added to reference point, enter without sign)
Spigot depth (abs)
Spigot depth (inc) with respect to Z0 (enter without sign)
Spigot diameter (enter without sign)
Reference point for spigot in 1st axis of plane (abs)
Reference point for spigot in 2nd axis of plane (abs)
Maximum depth infeed (inc; enter without sign)
Finishing allowance, plane (inc), allowance at edge contour
Finishing allowance depth (inc), allowance at base (enter without sign)
Feedrate on contour
Depth infeed rate
Milling direction (enter without sign)
UNITS:
0 = Down-cut
1 = Up-cut
Machining
UNITS:
1 = Roughing to final machining allowance
2 = Finishing (allowance X/Y/Z=0)
5 = Chamfer
Diameter of blank spigot
Chamfer width (inc)
Insertion depth (tool tip) on chamfering (abs/inc) see _AMODE)
Programming cycles externally
18.1 Technology cycles
669