| 摘要 |
An interchangeable support disc for diamond-bearing plates used in circular milling cutters for the planing of stones, marbles, granite and the like comprises a plurality of such plates mounted on discs which are in turn connected by screws to a circular support member so that the discs may easily be replaced. The parallelepipedal shape of the diamond bearing plates is particularly advantageous for the polishing of marble, granite, and similar materials because it contributes to the stability of the device. The screws are located out of center of the discs and closer to the center of the circular support member.
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