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異型砂光機的(de)(de)(de)定(ding)量(liang)砂削(xue)(xue)方式因(yin)為(wei)所用(yong)的(de)(de)(de)壓(ya)(ya)(ya)(ya)墊(dian)結構不一樣(yang)，所以適用(yong)的(de)(de)(de)范(fan)圍和它的(de)(de)(de)加(jia)(jia)工(gong)(gong)精度也不一樣(yang)的(de)(de)(de)。整體壓(ya)(ya)(ya)(ya)墊(dian)適用(yong)尺寸誤差(cha)小(xiao)工(gong)(gong)件(jian)的(de)(de)(de)加(jia)(jia)工(gong)(gong)，分段壓(ya)(ya)(ya)(ya)墊(dian)適用(yong)尺寸誤差(cha)大工(gong)(gong)件(jian)的(de)(de)(de)加(jia)(jia)工(gong)(gong)。無論是整體壓(ya)(ya)(ya)(ya)墊(dian)還是分段壓(ya)(ya)(ya)(ya)墊(dian)或氣囊式壓(ya)(ya)(ya)(ya)墊(dian)，工(gong)(gong)作原(yuan)理(li)都是由壓(ya)(ya)(ya)(ya)墊(dian)對(dui)(dui)砂帶施加(jia)(jia)一定(ding)的(de)(de)(de)壓(ya)(ya)(ya)(ya)力(li)，在此壓(ya)(ya)(ya)(ya)力(li)的(de)(de)(de)控(kong)制下(xia)，砂帶在預定(ding)的(de)(de)(de)范(fan)圍內對(dui)(dui)工(gong)(gong)件(jian)進行磨削(xue)(xue)加(jia)(jia)工(gong)(gong)。在整個磨削(xue)(xue)過(guo)程中，磨削(xue)(xue)用(yong)量(liang)相等，達(da)到磨削(xue)(xue)量(liang)磨削(xue)(xue)。