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5 sl cy cles – HEIDENHAIN TNC 620 (340 56x-01) User Manual

Page 314

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314

8.5 SL Cy

cles

Milling depth

Q1 (incremental value): Distance

between workpiece surface and contour floor.

Finishing allowance for side

Q3 (incremental

value): Finishing allowance in the working plane.

Workpiece surface coordinate

Q5 (absolute value):

Absolute coordinate of the workpiece surface
referenced to the workpiece datum.

Clearance height

Q7 (absolute value): Absolute

height at which the tool cannot collide with the
workpiece. Position for tool retraction at the end of
the cycle.

Plunging depth

Q10 (incremental value): Dimension

by which the tool plunges in each infeed.

Feed rate for plunging

Q11: Traversing speed of the

tool in the spindle axis.

Feed rate for milling

Q12: Traversing speed of the

tool in the working plane.

Climb or up-cut ? (Up-cut = –1)

Q15:

Climb milling: Input value = +1
Up-cut milling: Input value = –1
To enable climb milling and up-cut milling alternately
in several infeeds:Input value = 0