HEIDENHAIN iTNC 530 (34049x-08) Cycle programming - Manual (Page 238)

238 Fixed cycles: cylindrical surface
8.5
C
Y
LINDER
SURF
A
C
E
outside
cont
our
milling
(Cy
cle
39,
DIN/ISO:
G139,
sof
tw
ar
e
option
1) Cycle parameters
 Milling depth
Q1 (incremental): Distance between
the cylindrical surface and the floor of the contour.
Input range -99999.9999 to 99999.9999
 Finishing allowance for side Q3 (incremental):
Finishing allowance on the contour wall. Input range
-99999.9999 to 99999.9999
 Set-up clearance
Q6 (incremental): Distance
between the tool tip and the cylinder surface. Input
range 0 to 99999.9999; alternatively PREDEF
 Plunging depth
Q10 (incremental): Infeed per cut.
Input range -99999.9999 to 99999.9999
 Feed rate for plunging Q11: Traversing speed of the
tool in the spindle axis. Input range 0 to 99999.9999;
alternatively FAUTO, FU, FZ
 Feed rate for milling
Q12: Traversing speed of the
tool in the working plane. Input range 0 to
99999.9999; alternatively FAUTO, FU, FZ
 Cylinder radius
Q16: Radius of the cylinder on which
the contour is to be machined. Input range 0 to
99999.9999
 Dimension type? deg=0 MM/INCH=1
Q17: The
coordinates for the rotary axis of the subprogram are
given either in degrees or in mm (or inches).
Example: NC blocks
63 CYCL DEF 39 CYL. SURFACE CONTOUR
Q1=-8 ;MILLING DEPTH
Q3=+0 ;ALLOWANCE FOR SIDE
Q6=+0 ;SET-UP CLEARANCE
Q10=+3 ;PLUNGING DEPTH
Q11=100 ;FEED RATE FOR PLNGNG
Q12=350 ;FEED RATE FOR MILLING
Q16=25 ;RADIUS
Q17=0 ;TYPE OF DIMENSION