On the cylindrical face, a number of grinding or polishing modules (17, 18) are provided that comprise hold-back means, preferably in the shape of brushes (13).
在圆筒面上设置多个研磨或抛光模块 （17、18），该多个研磨或抛光模块（17、18）包括优选为刷（13）形 状的保持机构。
In this paper a new grinding method, using small cylindrical face grinding wheel to grind straight outline hourglass worm, is put forward and the mathematical model is set up.
本文提出了用小圆柱面砂轮磨削直廓环面蜗杆的新方法，建立了数学模型。
The workpiece has an accurately machined bore, and is located from the bore and the end face, from a cylindrical post.
此工件有一精确机加工的大孔，因此通过一圆柱体采用该孔和工件端面定位。
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