| 摘要 |
A rotary blade for a tile cutter that includes an operating lever movable by being guided by guide rails on a base plate of the tile cutter. The rotary blade is installed on a base section of the operating lever so as to form a cut in a surface of a tile before the tile is pressed and split. The rotary blade includes a bearing assembly, an annular cutting blade and fastening rings; and the cutting blade is disposed on the outer surface of the bearing assembly, and the fastening rings are mounted on the outer surface of the bearing assembly so as to sandwich the rotary blade from both sides to hold it on the bearing assembly. The central hole of each fastening ring is tapered with a smaller diameter on the outer side of the fastening ring and a larger diameter on the inner side.
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