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4 - Fagor Automation

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Canned cycles (·M· model)<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.<br />

4 Penetration. The longitudinal axis penetrates into the part the distance indicated by "B"<br />

and at the feedrate indicated by "V".<br />

5 Milling of the pocket surface at work feedrate in the passes defined by "C" up to a distance<br />

"L" (finishing pass) from the pocket wall. It is carried out in the direction indicated by<br />

parameter "J".<br />

6 Finishing milling, "L" amount, at the work feedrate defined by "H".<br />

In order to obtain good part finish when machining the pocket walls, the finishing passes<br />

are carried out with tangential entry and exit.<br />

7 Rapid withdrawal (G0) to the center of the pocket, 1 mm off the machined surface.<br />

8 New milling surfaces until reaching the total depth of the pocket.<br />

Penetration, at the feedrate indicated in "F" up to a distance "B" from the previous<br />

surface.<br />

Milling of the new surface following the steps indicated in points 5, 6 and 7.<br />

9 Withdrawal to the starting plane (Zi) if function G98 is active or to the reference plane<br />

(Z) if function G99 is active.<br />

1.<br />

MILLING CANNED CYCLES.<br />

G87. Rectangular pocket canned cycle.<br />

CNC 8065<br />

(REF: 1209)<br />

·51·

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