Manufacturing And Production Technology
Glazing in grinding wheels can be decreased by

Using a softer wheel or by increasing the wheel speed
Using a harder wheel or by decreasing the wheel speed
Using a harder wheel or by increasing the wheel speed
Using a softer wheel or by decreasing the wheel speed

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Manufacturing And Production Technology
In a CNC program block, N002 GO2 G91 X40 Z40......, GO2 and G91 refer to

Circular interpolation in counter clockwise direction and absolute dimension
Circular interpolation in counter clockwise direction and incremental dimension
Circular interpolation in clockwise direction and incremental dimension
Circular interpolation in clockwise direction and absolute dimension

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