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(11) After the completion of step (10), the axes return to the AP starting point (Zs, Xs).
There are two patterns of axis return motion:
•
The two axes return to the AP starting point simultaneously when G00 is designated in the
first block of the contour definition program (the block following the one containing either
G81 or G82).
•
Positioning along the X-axis is done first, then the Z-axis returns to the AP starting point
when G01 is designated in the block indicated above.
When the block following the G81 (G82) block starts with G01
When the block following the G81 (G82)
block starts with G00
When M85 is designated in the block calling for rough turning cycle (the block starting with
G86), the axes do not return to the AP starting position as explained in step 11., and the
commands in the block following N0183 are executed.
This completes the rough turning cycle.
Finish turning cycle in the longitudinal direction (example A)
(1) The commands in block N0281 position the axes at the tool change position.
(2) With the commands in block N0282, S, T, and M commands for finish turning cycle are
selected.
(3) In block N0283, the control searches for the program assigned the program name N0810.
Finish turning cycle in the bar turning mode is performed using this program.
(4) The finish turning cycle is performed according to the cutting conditions for finish turning (F
command for feedrate, S command for spindle speed) specified in the shape definition
program.
(5) After the finish turning cycle is complete, the commands in the block following N0283 are
executed.
SECTION 8 LATHE AUTO-PROGRAMMING FUNCTION (LAP)
5238-E P-225
AP starting point
(Zs, Xs)
LE33013R0301000290009
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