9 GRINDING APPLICATION
9-5
9.3
Grinding method for different workpiece
There is a wide selection of shapeds on workpieces for centerless grinding. Here
aresome samples and popular grinding methods.
9.3.1
Short circle workpiece
If no other cause, generally by thrufeed grinding, especially for auto feeder with
economical efficiecency (short and small workpiece the best) Continuous feeding
workpiece in thrufeedgridning is important as size variation can occur with
interitting feeding.
9.3.2
Disc-plateworkpiece
The ratio between dia. Of cylinder and its length (R/L) is above 1 that is
diaofworkpiece larger than its length. Workpiece must be kept in a fixed pose. Some
workpieces must be for fixed grinding by using special fitting. Movement occurs in
grinding, just place upper disc between two wheels.
9.3.3
Long bar workpiece
In long bar grinding, V-shaped way for feeding can be equipped in
fronotthemachien and V-shaped way for discharge mounted at the reatr of the
machine. In this method, it’s very difficult to centralize by moving the
regulating wheel which has to be clime due the grinding wheel. Furthermore,
since fixed worn wheels must be respectively dressed and compensated.
Therefore, if the workpiece is not tool long, it is better to mount the V-shaped
way on workrest, then, centralize in the normal method.
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