Programming and Operating Manual (Milling)
184
6FC5398-4DP10-0BA1, 01/2014
N50 CYCLE77 (10, 0, 3, -20, , 50, 60, 70, 10, 0, 0, 800,
800, 1, 2, 55)
; Call finishing cycle
N40 M30
; End of program
9.6.6
Long holes located on a circle - LONGHOLE
Programming
LONGHOLE (RTP, RFP, SDIS, DP, DPR, NUM, LENG, CPA, CPO, RAD, STA1, INDA, FFD, FFP1, MID)
Parameters
Parameter
Data type
Description
RTP
REAL
Retraction plane (absolute)
RFP
REAL
Reference plane (absolute)
SDIS
REAL
Safety clearance (enter without sign)
DP
REAL
Slot depth (absolute)
DPR
REAL
Slot depth relative to the reference plane (enter without sign)
NUM
INT
Number of slots
LENG
REAL
Slot length (enter without sign)
CPA
REAL
Center point of circle (absolute), first axis of the plane
CPO
REAL
Center point of circle (absolute), second axis of the plane
RAD
REAL
Radius of the circle (enter without sign)
STA1
REAL
Starting angle
INDA
REAL
Incrementing angle
FFD
REAL
Feedrate for depth infeed
FFP1
REAL
Feedrate for surface machining
MID
REAL
Maximum infeed depth for one infeed (enter without sign)
Note
The cycle requires a milling cutter with an "end tooth cutting across center" (DIN844).
Function
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.