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

Page 121

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HEIDENHAIN iTNC 530

121

4.7 THREAD MILLING/COUNTER

SINK

ING (Cy

c

le 263, DIN/ISO:

G263)

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; alternatively PREDEF

Feed rate for countersinking

Q254: Traversing

speed of the tool in mm/min during countersinking.
Input range 0 to 99999.999; alternatively FAUTO, FU

Feed rate for milling

Q207: Traversing speed of the

tool in mm/min during milling. Input range 0 to
99999.9999; alternatively FAUTO

Feed rate for approach

Q512: Traversing speed of

the tool in mm/min during entry into the thread. Input
range 0 to 99999.999; alternatively FAUTO

Beispiel: NC blocks

25 CYCL DEF 263 THREAD MLLNG/CNTSNKG

Q335=10

;NOMINAL DIAMETER

Q239=+1.5 ;PITCH

Q201=-16

;DEPTH OF THREAD

Q356=-20

;COUNTERSINKING DEPTH

Q253=750

;F PRE-POSITIONING

Q351=+1

;CLIMB OR UP-CUT

Q200=2

;SET-UP CLEARANCE

Q357=0.2

;CLEARANCE TO SIDE

Q358=+0

;DEPTH AT FRONT

Q359=+0

;OFFSET AT FRONT

Q203=+30

;SURFACE COORDINATE

Q204=50

;2ND SET-UP CLEARANCE

Q254=150

;F COUNTERSINKING

Q207=500

;FEED RATE FOR MILLING

Q512=50

;FEED RATE FOR APPROACH