HEIDENHAIN TNC 128 (77184x-02) - Manual (Page 436)

Fixed cycles: Pocket milling / stud milling
17.3 RECTANGULAR STUD (Cycle 256)
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TNC 128 | User's Manual HEIDENHAIN Conversational Programming | 5/2014
Feed rate for plunging Q206: Traversing speed of
the tool while moving to depth in mm/min. Input
range 0 to 99999.999; alternatively
FMAX, FAUTO,
FU, FZ
Feed rate for finishing Q385: Traversing speed of
the tool during side and floor finishing in mm/min.
Input range 0 to 99999.999; alternatively
FAUTO,
FU, FZ
Finishing allowance for side Q368 (incremental):
Finishing allowance in the working plane, is left over
after machining. Input range 0 to 99999.9999
Finishing allowance for floor Q369 (incremental
value): Finishing allowance in the tool axis. Input
range 0 to 99999.9999
Infeed for finishing Q338 (incremental): Infeed per
cut. Q338=0: Finishing in one infeed. Input range 0
to 99999.9999
Set-up clearance Q200 (incremental): Distance
between tool tip and workpiece surface. Input range
0 to 99999.9999;
Coordinate of workpiece surface Q203 (absolute):
Coordinate of the workpiece surface. Input
range -99999.9999 to 99999.9999 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;
Climb or up-cut Q351: Type of milling operation
with M3
+1 = climb
–1 = up-cut
Path overlap factor Q370: Q370 x tool radius =
stepover factor k. Input range: 0.1 to 1.9999;
NC blocks
8 CYCL DEF 256 RECTANGULAR STUD
Q215=0 ;MACHINING OPERATION
Q218=60 ;FIRST SIDE LENGTH
Q424=74 ;WORKPC. BLANK SIDE
1
Q219=40 ;2ND SIDE LENGTH
Q425=60 ;WORKPC. BLANK SIDE
2
Q201=-20 ;DEPTH
Q367=0 ;STUD POSITION
Q202=5 ;PLUNGING DEPTH
Q207=500 ;FEED RATE FOR
MILLING
Q206=150 ;FEED RATE FOR
PLNGNG
Q385=500 ;FINISHING FEED RATE
Q368=0.2 ;ALLOWANCE FOR SIDE
Q369=0.1 ;ALLOWANCE FOR
FLOOR
Q338=5 ;INFEED FOR FINISHING
Q200=2 ;SET-UP CLEARANCE
Q203=+0 ;SURFACE COORDINATE
Q204=50 ;2ND SET-UP
CLEARANCE
Q351=+1 ;CLIMB OR UP-CUT
Q370=1 ;TOOL PATH OVERLAP
9 X+50 R0 FMAX
10 Y+50 R0 FMAX M3 M99