Patent ID: 7252578

Claim:
An apparatus for cylindrically grinding workpieces, comprising: a first holding tool for positioning pre-grinding workpieces, the first holding tool defining a first groove for containing the pre-grinding workpieces to be partially ground, a first stopping board being detachably connected to one side of the first holding tool, a first pressing mechanism being elastically connected to another side of the first holding tool, the first pressing mechanism and the first stopping board being configured for pressing the pre-grinding workpieces in the first groove; and a second holding tool for positioning the partially ground workpieces, the second holding tool defining a second groove for containing the partially ground workpieces, a second stopping board connecting one side of the second holding tool, a second pressing mechanism being elastically connected to another side of the second holding tool, the second pressing mechanism and the second stopping board being configured for pressing the partially ground workpieces into the second groove.