| 摘要 |
PURPOSE:To obtain a grinding apparatus capable of gaining a high-powered and efficient oscillation, by installing a plurality of motors which act as osillation generating sources. CONSTITUTION:A plurality of unbalance weights 6, which are disposed beneath a grinding tank 1, are respectively provided with a motor 4 which rotates the weights 6. These unbalance weights 6 may be also synchronously intertocked with each other through a belt, chain or the like. |
