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实验研究结果表明,缓进给深磨时形成细而长的切屑,其比磨削能是一般磨削的5～10倍;这是由于尺寸效应和磨粒吃入工件时滑擦和耕犁作用大大增强的结果。同时,也由于砂轮—工件的接触长度较长,冷却液较难进入切削区所致。 降低比磨削能的方法之一是增大磨粒切深,这就要求砂轮具有较大的磨粒间距。选用大气孔砂轮可以满足这个要求,它有利于将冷却液带进磨削区和容纳切屑,将切屑从磨削区带
The experimental results show that the slow and deep grinding to form thin and long chips, the grinding than grinding can be 5 to 10 times the normal grinding, which is due to the size effect and abrasive grain when eating the friction and plow The result is greatly enhanced. At the same time, due to the long contact length of the grinding wheel and the workpiece, it is difficult for the coolant to enter the cutting zone. One of the ways to reduce the specific energy of grinding is to increase the depth of cut of the abrasive, which requires that the grinding wheel has a larger distance between the abrasive grains. The choice of atmospheric grinder to meet this requirement, it is conducive to cooling liquid into the grinding zone and to accommodate the chip, the chip from the grinding zone