Fagor CNC 8070, Руководство по программированию

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Programming manual
CNC 8070
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5.2.2 Feedrate blend (G108/G109/G193)
With these functions, it is possible to blend the feedrate between
consecutive blocks programmed with different feedrates.
Programming
The functions related to feedrate blending are:
G108 Feedrate blending at the beginning of the block.
G109 Feedrate blending at the end of the block.
G193 Interpolating the feedrate.
These functions may be programmed anywhere in the program and
they don't have to go alone in the block.
G108 Feedrate blending at the beginning of the block
When G108 is active, the adaptation to the new feedrate (by
accelerating or decelerating) takes place at the beginning of the next
block and the current block ends at the programmed feedrate "F".
G109 Feedrate blending at the end of the block
When programming G109 the adaptation to the new feedrate (by
accelerating or decelerating) takes place at the end of the current
block so the next block starts executing at its programmed feedrate
"F".
N10 G01 G108 X100 F300 N10 G01 G108 X100 F100
N20 X250 F100 N20 X250 F300
N10 G01 G109 X100 F300 N10 G01 G109 X100 F100
N20 X250 F100 N20 X250 F300