Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Manual de usuario descargar pdf (Pagina 356)

100

101

Coordinate Control

Chapter 11

11-40

Programmable zone 3 can define an area which the grinding wheel cannot

enter or cannot exit. This is determined by the current wheel location

when programmable zone 3 is made active. Generally, you use zones to

protect some vital area of the machine or part located within the software

overtravels.

Important: Programmable zones are defined using coordinates in the

machine coordinate system. They are not affected by any changes in the

work coordinate system, including external offset s. They do take into

account any active wheel length offsets but not wheel radius offs ets.

Values for programmable zone 3 are entered either in the programmable

zone table (described on page 3-25) or through a G22 program block. A

maximum and a minimum coordinate value (in the machine coordinate

system) is assigned for each axis. The resulting coordinates define t he

boundaries for programmable zone 3.

Figure 11.24

Area Defining Programmable Zone 3

Insideor outsideborderof

Programmable Zone 3

asdefinedby minimum

and maximumaxisvalues

Max Z

value

Min Z

value

Min X

value

Max X

value

Machine

coordinate

zero

Unlike the software overt ravels, which define the perimeter of an area

from which the grinding wheel cannot exit, programmable zone 3 can

define either an area that the grinding wheel:

cannot exit if the wheel is inside the zone when the zone is activat ed

cannot enter if the wheel is outside the zone when the zone is activated

11.8.4

Programmable Zone 3

(G22.1, G23.1)

1 2 ... 351 352 353 354 355 356 357 358 359 360 361 ... 819 820

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Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Manual de usuario Pagina 356

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