Programming and Operating Manual (Milling)
184 6FC5398-4DP10-0BA1, 01/2014
N50 CYCLE77 (10, 0, 3, -20, , 50, 60, 70, 10, 0, 0, 800,
; Call finishing cycle
Long holes located on a circle - LONGHOLE
Programming
LONGHOLE (RTP, RFP, SDIS, DP, DPR, NUM, LENG, CPA, CPO, RAD, STA1, INDA, FFD, FFP1, MID)
Retraction plane (absolute)
Reference plane (absolute)
SDIS REAL Safety clearance (enter without sign)
DPR REAL Slot depth relative to the reference plane (enter without sign)
LENG REAL Slot length (enter without sign)
Center point of circle (absolute), first axis of the plane
CPO REAL Center point of circle (absolute), second axis of the plane
Radius of the circle (enter without sign)
Feedrate for depth infeed
Feedrate for surface machining
Maximum infeed depth for one infeed (enter without sign)
The cycle requires a milling cutter with an "end tooth cutting across center" (DIN844).
Use this cycle to machine long holes located on a circle. The longitudinal axis of the long holes is aligned radially.
In contrast to the slot, the width of the long hole is determined by the tool diameter.
Internally in the cycle, an optimum traversing path of the tool is determined, ruling out unnecessary idle passes. If several
depth infeeds are required to machine a slot, the infeed is carried out alternately at the end points. The path to be traversed
along the longitudinal axis of the long hole changes its direction after each infeed. The cycle searches for the shortest path
when changing to the next long hole.
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