SLOT MILLING (Cycle 253, DIN/ISO: G253) 5.4
5
HEIDENHAIN | TNC 320 | User’s manual for cycle programming | 9/2016
145
Q439 Feed rate reference (0-3)?: Specify what the
programmed feed rate refers to:
0: Feed rate with respect to the tool center point
path
1: Feed rate with respect to the tool edge, but only
during side finishing, otherwise with respect to the
tool center point path
2: Feed rate refers to the tool cutting edge during
side finishing and floor finishing; otherwise it refers
to the tool path center
3: Feed rate always refers to the cutting edge
Q439=0 ;FEED RATE REFERENCE
9 L X+50 Y+50 R0 FMAX M3 M99
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