Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Instrukcja Użytkownika Pobierz pdf (Strona 327)

100

101

Chapter 11

Coordinate Control

11-11

There are 3 methods to change the value of an external offset in the work

coordinate system table. Two methods can be found in the following

chapters:

Method: Chapter:

Manuallyalterthe externaloffsetvalue in theworkcoordinatesystem

table

Altertheparamacro system parametervalues 5201 - 5206 20

The third method, the one described in this chapter, alters the external

system table through G10 programming. Changing these values in the

table using any of these methods does not cause axis motion; however, it

does immediately shift all work coordinate systems by the amount entered.

The values entered into the external offset are added to the work coordinate

system zero point values each time a work coordinate system is called.

The format for altering the external offset using G10 is as follows:

G10 L2 P0 O__ X__ Z__;

Where: Tell(s) the Control:

L2 thatyou want to alter the coordinate system tables.

P0 the externaloffset istheoffset toupdate.

O__ whetherthevalue enteredforthediameteraxis is a radiusordiametervalue. (O

isnon-modaland it appliestocylindricalgrinders only)

O1=valueentered for thediameter axis isaradius value.

O2=valueentered for thediameter axis isadiametervalue.

Important: If you programO1 or O2 in aG10 code,the G10 code isnot

affectedby a previouslyprogrammedG 07 orG 08 (radius/diameter

programming). However,if no O code is specified,or if theO codeisout of

range(forexample,O3),then theG10 codeisaffected byaG07/G08.

X_Z_ the location of the zero pointofthe specified work coordinate system relative to

machine coordinate system.

Important: G10 blocks cannot be programmed when dresser/wheel radius

compensation is active.

Example 11.4 and Figure 11.9 illustrate how the work coordinate system is

shifted using G10.

11.3.1

Altering External Offset

(G10L2)

1 2 ... 322 323 324 325 326 327 328 329 330 331 332 ... 819 820

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