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4 - Fagor Automation

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1.<br />

MILLING CANNED CYCLES.<br />

CNC 8065<br />

(REF: 1209)<br />

·54·<br />

G88. Circular pocket canned cycle<br />

Canned cycles (·M· model)<br />

C Milling pass or width.<br />

If not programmed or programmed with a 0 value, it assumes a value of 3/4 of the diameter<br />

of the selected tool.<br />

If it is the same as parameter "J" (pocket radius), it only runs the finishing pass.<br />

If programmed with a value greater than the tool diameter, the CNC issues the relevant error<br />

message.<br />

L Finishing pass.<br />

If not programmed or programmed with a 0 value, it does not run the finishing pass.<br />

H Feedrate for the finishing pass. If not programmed or programmed with a 0 value, it is carried<br />

out at the roughing feedrate.<br />

V Tool penetrating feedrate. If not programmed or programmed with a 0 value, it is carried out<br />

at 50% of the feedrate in the plane.<br />

Basic operation:<br />

1 If the spindle was previously running, it maintains the turning direction. If it is stopped,<br />

it starts clockwise (M03).<br />

2 Rapid movement (G0) of the longitudinal axis from the starting plane (Zi) to the reference<br />

plane (Z).<br />

3 Rapid movement (G0) of the longitudinal axis up to 1 mm off the part surface.<br />

The movement permits, as in the case of the figure, a fast approach to the machining<br />

surface when the safety coordinate (Z) is far away from the surface.

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