| 摘要 |
PURPOSE: A grinding apparatus is provided to prevent a grinding unit from being separated from a changing unit during a grinding work. CONSTITUTION: A grinding apparatus(100) comprises a base unit(110), connection units(120), and grinding units(130). The connection units are installed on the base unit. The grinding units are detachably installed in the connection units. Changing units(121) of the connection units are integrally formed in the base unit. The grinding units are inserted into the mounting units(20) of the changing units.
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