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(三) 采用TI型环面蜗杆状砂轮或珩轮进行磨齿或珩齿,是八十年代最近发展的新工艺。郑州机械研究所黎上威等提出的TI型珩轮,除了较普通珩齿工艺能有较强的纠正误差能力和降低齿面粗糙度外,还可以实现齿形、齿向的双鼓形修形。1982-83年瑞士著名的赖斯豪尔公司(Reishauer)为适应汽车、摩托车齿轮大量生产需要而发展的RZP型环面蜗杆砂轮磨齿机,可以省去沿工件轴向的走刀运动,生产率极高,工件只需1～2转就可完成磨齿工作,在这台机床上,一箱预装好芯轴的50件齿轮,其加工所需机动时间仅只有半小时左右。砂轮修整约需1分钟。
(C) The use of TI-type toroidal grinding wheel or honing wheels for grinding or honing, is the latest development of the eighties new technology. Zhengzhou Institute of Mechanical Li Shangwei and other proposed TI-type honing wheel, in addition to the more common than honing process can have a strong ability to correct errors and reduce tooth surface roughness, but also can be achieved profile, tooth-shaped double-drum repair shape. 1982-83 Renishaw, Switzerland The RZP toroidal worm gear grinding machine, developed to meet the mass production needs of automobiles and motorcycles, eliminates the need for axial movement along the workpiece axis. Very high productivity, the workpiece can be completed within just 1 to 2 turn grinding work, on this machine, a box of pre-installed mandrel 50 gear, the processing time required for maneuver only half an hour or so. Wheel dressing takes about 1 minute.