HEIDENHAIN TNC 620 User Manual page 194

7
Fixed Cycles: Contour Pocket
7.10 TROCHOIDAL SLOT (Cycle 275, DIN ISO G275, software option 19)
Feed rate for plunging Q206: Traversing speed of
the tool while moving to depth in mm/min. Input
range 0 to 99999.999; alternatively FAUTO, FU, FZ
Infeed for finishing Q338 (incremental): Infeed per
cut. Q338=0: Finishing in one infeed. Input range 0
to 99999.9999
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
Set-up clearance Q200 (incremental): Distance
between tool tip and workpiece surface. Input range
0 to 99999.9999; alternatively PREDEF
Coordinate of workpiece surface Q203 (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
Plunging strategy Q366: Type of plunging strategy:
0
perpendicularly, regardless of the plunging angle
ANGLE defined in the tool table
1
2
plunging angle ANGLE for the active tool must be
defined as not equal to 0. The TNC will otherwise
display an error message
Alternatively
194
= vertical plunging. The TNC plunges
= No function
= reciprocating plunge. In the tool table, the
PREDEF
NC blocks
8 CYCL DEF 275 TROCHOIDAL SLOT
Q215=0 ;MACHINING OPERATION
Q219=12 ;SLOT WIDTH
Q368=0.2 ;ALLOWANCE FOR SIDE
Q436=2 ;INFEED PER REV.
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
Q338=5 ;INFEED FOR FINISHING
Q385=500 ;FINISHING FEED RATE
Q200=2 ;SET-UP CLEARANCE
Q202=5 ;PLUNGING DEPTH
Q203=+0 ;SURFACE COORDINATE
Q204=50 ;2ND SET-UP
CLEARANCE
Q366=2 ;PLUNGE
9 CYCL CALL FMAX M3
TNC 620 | User's Manual Cycle Programming | 3/2014