| 摘要 |
PURPOSE:To economize labor and time by a large margin and prevent danger by installing a bolt supporting means for rotatably supporting a bolt to be polished, polishing means and transfer means. CONSTITUTION:When a bolt B to be polished is fed onto a bolt receiving means 42 on the sending-in side by a proper sending-in means, the bolt to be polished is transferred ontoa bolt supporting means by a bolt transferring means 50, and at the same time, the polished bolt on the bolt supportig means is sent-out onto a bolt receiving means 43 on the sending-out side. After the transfer, a polishing means 9 is operated, and the screw shaft part at the top edge of the bolt to be polished on the bolt supporting means can be automatically polished. Therefore, the working efficiency can be improved markedly and the labor economization is permitted, and the uniform polishing work can be obtained by a non-skilled laborer. |
