HEIDENHAIN iTNC 530 (60642x-04) Cycle programming - Manual (Page 166)

166 Fixed Cycles: Pocket Milling / Stud Milling / Slot Milling
5.7 CIR
C
ULAR S
T
UD (Cy
c
le 257
, DIN/ISO:
G257)
 Depth Q201 (incremental): Distance between
workpiece surface and bottom of stud. Input range
-99999.9999 to 99999.9999
 Plunging depth Q202 (incremental): Infeed per cut.
Enter a value greater than 0. Input range 0 to
99999.9999
 Feed rate for plunging Q206: Traversing speed of
the tool in mm/min while moving to depth. Input
range 0 to 99999.999; alternatively FMAX, FAUTO, FU, FZ
 Set-up clearance Q200 (incremental): Distance
between tool tip and workpiece surface. Input range
0 to 99999.9999; alternatively PREDEF
 Workpiece surface coordinate Q203 (absolute):
Absolute coordinate of the workpiece surface. Input
range -99999.9999 to 99999.9999
 2nd set-up clearance Q204 (incremental): Coordinate
in the spindle axis at which no collision between tool
and workpiece (fixtures) can occur. Input range 0 to
99999.9999; alternatively PREDEF
 Path overlap factor Q370: Q370 x tool radius =
stepover factor k. Input range: 0.1 to 1.414;
alternatively PREDEF
 Starting angle Q376: Polar angle relative to the stud
center from which the tool approaches the stud. Input
range 0 to 359°
Beispiel: NC blocks
8 CYCL DEF 257 CIRCULAR STUD
Q223=60 ;FINISHED PART DIA.
Q222=60 ;WORKPIECE BLANK DIA.
Q368=0.2 ;ALLOWANCE FOR SIDE
Q207=500 ;FEED RATE FOR MILLING
Q351=+1 ;CLIMB OR UP-CUT
Q201=-20 ;DEPTH
Q202=5 ;PLUNGING DEPTH
Q206=150 ;FEED RATE FOR PLNGNG
Q200=2 ;SET-UP CLEARANCE
Q203=+0 ;SURFACE COORDINATE
Q204=50 ;2ND SET-UP CLEARANCE
Q370=1 ;TOOL PATH OVERLAP
Q376=0 ;STARTING ANGLE
9 CYCL CALL POS X+50 Y+50 Z+0 FMAX M3
X
Z
Q200
Q201
Q206
Q203
Q204
Q202