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5
RECTANGULAR STUD (Cycle 256, DIN/ISO: G256)
5.6
Cycle parameters
Q218 First side length?: Stud length, parallel to the
reference axis of the working plane. Input range 0 to
99999.9999
Q424 Workpiece blank side length 1?: Length of
the stud blank, parallel to the reference axis of the
working plane. Enter Workpiece blank side length
1 greater than First side length. The TNC performs
multiple stepovers if the difference between blank
dimension 1 and finished dimension 1 is greater
than the permitted stepover (tool radius multiplied
by path overlap Q370). The TNC always calculates a
constant stepover. Input range 0 to 99999.9999
Q219 Second side length?: Stud length, parallel
to the minor axis of the working plane. Enter
Workpiece blank side length 2 greater than
Second side length. The TNC performs multiple
stepovers if the difference between blank
dimension 2 and finished dimension 2 is greater
than the permitted stepover (tool radius multiplied
by path overlap Q370). The TNC always calculates a
constant stepover. Input range 0 to 99999.9999
Q425 Workpiece blank side length 2?: Length
of the stud blank, parallel to the minor axis of the
working plane. Input range 0 to 99999.9999
Q220 Corner radius?: Radius of the stud corner.
Input range 0 to 99999.9999
Q368 Finishing allowance for side? (incremental):
Finishing allowance in the working plane, is left over
after machining. Input range 0 to 99999.9999
Q224 Angle of rotation? (absolute): Angle by
which the entire machining is rotated. The center of
rotation is the position at which the tool is located
when the cycle is called. Input range -360.0000 to
360.0000
Q367 Position of stud (0/1/2/3/4)?: Position of the
stud in reference to the position of the tool when
the cycle is called:
0: Tool position = stud center
1: Tool position = left corner below
2: Tool position = right corner below
3: Tool position = right corner top
4: Tool position = left corner top
Q207 Feed rate for milling?: Traversing speed of
the tool in mm/min during milling. Input range 0 to
99999.999 alternatively FAUTO, FU, FZ
153
HEIDENHAIN | TNC 320 | User's manual for cycle programming | 9/2016
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