平面磨(mo)床(chuang)常(chang)見的墊圈、摩擦(ca)片(pian)、樣板、薄板等薄片(pian)零件(jian)，由于(yu)剛性(xing)差、散熱困(kun)難(nan)、熱處理后(hou)彎曲，裝夾(jia)時引起夾(jia)緊(jin)變形，磨(mo)削時易翹曲，通常(chang)采用(yong)磁力吸(xi)盤在平面磨(mo)床(chuang)上磨(mo)削加工(gong)(gong)，磨(mo)削完成后(hou)，去掉磁性(xing)吸(xi)引力，薄片(pian)工(gong)(gong)件(jian)恢復(fu)原狀，難(nan)以保(bao)證(zheng)加工(gong)(gong)精度。如采用(yong)以下幾(ji)種裝夾(jia)方(fang)式(shi)，保(bao)證(zheng)薄片(pian)工(gong)(gong)件(jian)在自由狀態下進行定位與(yu)夾(jia)緊(jin)，利用(yong)雙端(duan)面進行磨(mo)削加工(gong)(gong)，可(ke)取得良(liang)好效(xiao)果，滿足零件(jian)加工(gong)(gong)精度要求。

       1、 平面磨床墊彈性墊片裝夾方式

       采用環氧樹脂結合劑，將(jiang)薄(bo)(bo)片工件(jian)在自由(you)狀態(tai)下(xia)粘到一塊(kuai)平板(ban)上(shang)。平板(ban)連同薄(bo)(bo)片一起(qi)放(fang)到磁(ci)力(li)吸盤上(shang)。磨平薄(bo)(bo)片一端平面(mian)后，再將(jiang)薄(bo)(bo)片工件(jian)從平板(ban)上(shang)取下(xia)來(lai)，以磨平的(de)一面(mian)放(fang)到磁(ci)力(li)吸盤上(shang)，再磨削薄(bo)(bo)片工件(jian)的(de)另(ling)一端平面(mian)。由(you)于環氧樹脂在未硬化(hua)之前有流動性，它可(ke)以填平薄(bo)(bo)片工件(jian)與(yu)平板(ban)之間(jian)(jian)的(de)間(jian)(jian)隙。反復磨削幾(ji)次，可(ke)滿(man)足加(jia)工精度(du)要求。 

       2、平面(mian)磨床用臨時措施加強(qiang)薄片工(gong)件的(de)剛性
       當環(huan)(huan)氧樹脂硬化后，工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)與(yu)平(ping)板粘結在一起，成為一個(ge)整(zheng)體(ti)，從而大大增強(qiang)了工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)的剛性(xing)。在磁(ci)力(li)吸(xi)引下，薄片(pian)(pian)工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)不會產(chan)生夾緊(jin)變形，為磨(mo)削出(chu)平(ping)直平(ping)面創造了條件(jian)(jian)(jian)。在平(ping)面磨(mo)床(chuang)磨(mo)削上述薄片(pian)(pian)工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)時，采(cai)用(yong)彈性(xing)夾緊(jin)機構(gou)，使(shi)薄片(pian)(pian)工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)在自由(you)狀態下實(shi)現定位與(yu)夾緊(jin)。在工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)與(yu)磁(ci)性(xing)工(gong)(gong)(gong)(gong)作臺之(zhi)間墊(dian)一層0.5mm厚(hou)(hou)的橡膠，當工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)受磁(ci)性(xing)吸(xi)引力(li)作用(yong)時，橡膠被壓縮，彈性(xing)變形變小，從而可(ke)(ke)磨(mo)削出(chu)工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)的平(ping)直平(ping)面。也可(ke)(ke)用(yong)厚(hou)(hou)油脂代替(ti)環(huan)(huan)氧樹脂填充(chong)薄片(pian)(pian)工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)與(yu)磁(ci)力(li)吸(xi)盤之(zhi)間的間隙，增強(qiang)工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)的剛性(xing)，同樣可(ke)(ke)以收(shou)到良好(hao)的效果。