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Cycle parameters – HEIDENHAIN TNC 640 (34059x-01) Cycle programming User Manual

Page 69

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HEIDENHAIN TNC 640

69

3.5 BORING (Cy

c

le 202, DIN/ISO:

G202)

Cycle parameters

U

Set-up clearance Q200 (incremental): Distance

between tool tip and workpiece surface. Input range
0 to 99999.9999

U

Depth Q201 (incremental): Distance between

workpiece surface and bottom of hole. Input range
-99999.9999 to 99999.9999

U

Feed rate for plunging Q206: Traversing speed of

the tool during boring at mm/min. Input range 0 to
99999.999; alternatively FAUTO, FU

U

Dwell time at depth Q211: Time in seconds that the

tool remains at the hole bottom. Input range 0 to
3600.0000

U

Retraction feed rate Q208: Traversing speed of the

tool in mm/min when retracting from the hole. If you
enter Q208 = 0, the tool retracts at feed rate for
plunging. Input range 0 to 99999.999, alternatively
FMAX

, FAUTO

U

Workpiece surface coordinate Q203 (absolute):

Coordinate of the workpiece surface. Input range
-99999.9999 to 99999.9999

U

2nd set-up clearance Q204 (incremental): Coordinate

in the spindle axis at which no collision between tool
and workpiece (fixtures) can occur. Input range 0 to
99999.999

X

Z

Q200

Q201

Q206

Q211

Q203

Q204

Q208