Rockwell-automation 8520-GUM 9/Series CNC Grinder Operation and Progra Uživatelský manuál stáhnout pdf (Strana 499)

100

101

Dresser/Wheel Radius Compensation

Chapter 15

15-11

Entire WheelRadius

The control can compensate for any grinding error resulting from the

radius of the entire grinding wheel. To do so, you must enter the radius of

the wheel in the radius table for radius compensation to properl y

compensate. This method of compensation does not require the control to

activate any X-length offset. Activate only a Z-length offset with the X

offset being compensated for by the wheel radius.

Figure 15.10

Entire Wheel Radius Compensation for a Typical Grinding Wheel

Wheel gauge pointonspindlefrom

whichwheeloffsetsareusually

measured

Entire Wheel Radius

Z length

offset

This length offsets select this

point as the control point for

programming

12090-I

See Table 15.A for compensation direction for G codes.

If using an entire wheel compensation scheme in conjunction with the

in-process dresser feature (see chapter 21), you can choose to use a radius

offset number 33. This offset number cannot be accessed through the

normal radius offset table. Radius offset 33 is created and maintained

automatically by the in-process dresser feature and accounts for changes in

wheel radius as the wheel is dressed.

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