9 GRINDING APPLICATION
9-6
9.3.4
Attache-head workpiece
Infeed grinding method is employed when the external diameter of grinding
part is smaller than head part. When its center of gravity is on the grinding part,
workpece is sent into nearly-contact positon between bid head end face and two
wheel’s end face for feeding and grinding. When discharge, it can be taken out
by hands. If sent out by electro-magnetism or oil pressure, quicker speed can be
made. If center of gravity feel is on the head part, a device for supporting
grinding piece should be used. The head can’t be supported owing to irregular
shape, a upper disc should be mounted on the top of grinding aprt from where to
regulate its balance for grinding. Please refer to below figure.
9.3.5
Cross-shape workpiece
For cross-shape workpieces, such as cross connection grinding, two sides of
twogriding wheels are ground in the same time but in pre-machining notice its
concentricity and right angle on griding part.
9.3.6
Multi-size workpiece
There are more than two different diameters on grinding aprt. The
concentricityofworkpiece before machining should be considered at this point.
Grinding wheel must be teh same shape as the workpiece but for regulating
wheel not necessarily the same. Blade may obtain better effect by less contact to
rinding part on workpiee owing to grinding resistance. If there are more than
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