Milltronics PL-551 Informacje Techniczne Pobierz pdf (Strona 282)

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101

SECTION FOUR - PREPARATORY FUNCTIONS (G CODES)

Operation 1: Positioning of axes X and Y (or 4th and 5th if enabled)

Operation 2: Rapid traverse to point R

Operation 3: Hole machining

Operation 4: Operation at the bottom of a hole

Operation 5: Retraction to point R

Operation 6: Rapid traverse up to the initial point

Canned Cycle Operation

Positioning is normally performed on the XY plane, and hole machining is performed with the Z

axis. Positioning and hole machining must use this plane and axes combination. Canned cycles

can be used in any plane.

Canned cycle operations consist of three basic modes which are specified by particular modal G

codes as shown below.

(1) Data format G90 Absolute

G91 Incremental

(2) Return point level G98 Initial point level

G99 R point level

(3) Drilling mode G73

G80

G81

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