Question
Download Solution PDFDressing of a grinding wheel refers to
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
The dressing is the operation of cleaning and restoring the sharpness of the wheel face that has become dull or has lost some of its cutting ability because of loading and glazing.
In general practice there are five means by which an abrasive wheel may be dressed:
- Using a suitably mounted set of steel discs or wheels
- With an abrasive stick
- With a small wheel, suitably mounted
- With a diamond
- Using a crush dressing fixture
Important Points
Truing
- Truing refers to the shaping of the wheel to make it run concentric with the axis.
- When a new grinding wheel is mounted, it must be dried before use.
- The cutting surface of a new wheel may run out slightly due to the clearance between the bore and the machine spindle.
- Grinding wheels, which are in use, also can run out of true, due to uneven loading while grinding.
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