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如图所示是一种可涨式研磨棒,以及组成其研磨套部分的垫圈式零件的情况。这种研磨棒可以推广应用于孔的定径加工(整径)和精加工。研磨棒具有一根能回转的心轴1和安装于心轴之上的研磨套11。研磨套11是由一定数量,且直径略小垫圈式的隔圈3和交错组合在一起的许多垫圈10所构成。垫圈10和隔圈3的定位孔支承在心轴的细长圆柱形9面上。每个垫圈的外圆柱面上粘附着研磨层4。垫圈10和隔圈3各自呈截顶圆锥形状,
As shown, this is a pop-up grindstone, as well as a washer-type part that forms part of its grinder. This kind of grinding rod can be widely applied in the sizing (full diameter) and finishing of the hole. The grinding rod has a rotatable spindle 1 and a grinding sleeve 11 mounted on the spindle. Abrasive sleeve 11 is composed of a number, a slightly smaller washer type spacer 3 and a plurality of washers 10 interleaved together. The positioning holes of the washer 10 and the spacer 3 are supported on the elongated cylindrical 9 surface of the mandrel. The abrasive layer 4 adheres to the outer cylindrical surface of each washer. Washer 10 and spacer 3 each have a truncated cone shape,