Operation Manual

HEIDENHAIN MANUALplus 620 159
4.4 Turning cycles
Finishing cut, longitudinal—expanded
Select cut, longitudinal/transverse
Select cut longitudinal
Press the Expanded soft key
Press the Finishing run soft key
The cycle finishes the contour area from the contour starting point
to the contour end point.
When the cycle is completed, the tool remains at the cycle
end position.
Cycle parameters
X, Z Starting point
X1, Z1 Contour starting point
X2, Z2 Contour end point
A Starting angle (range: 0° <= A < 90°)
W End angle (range: 0° <= W < 90°)
R Rounding arc
DXX Additive compensation number 1 –16 (see page 128)
G58 Contour-parallel oversize
G47 Safety clearance (see page 128)
B1, B2 Chamfer/rounding arc (B1 contour start; B2 contour end)
 B>0: Rounding radius
 B<0: Chamfer width
G14 Tool change point (see page 128)
T Turret pocket number
ID Tool ID number
S Spindle speed/cutting speed
F Feed per revolution
MT M after T: M function that is executed after the tool call T
MFS M at beginning: M function that is executed at the
beginning of the machining step