拋光臘廠家淺析常用的幾種拋光方法發表時(shi)間:2024-03-05 14:48 1.化學拋光 拋(pao)光(guang)臘(la)廠家介紹(shao),化學拋(pao)光(guang)是材料在化學介質中讓表(biao)面(mian)微(wei)觀凸出的部(bu)分較凹部(bu)分優先溶解,從而得(de)到(dao)平滑面(mian)。該方法(fa)可以(yi)拋(pao)光(guang)形狀復雜的工(gong)件,可以(yi)同時拋(pao)光(guang)很多工(gong)件,效率高。化學拋(pao)光(guang)得(de)到(dao)的表(biao)面(mian)粗糙度一(yi)般為Ra10 μm。 2.電解拋光 電解拋(pao)光(guang)(guang)基本原理(li)與化學拋(pao)光(guang)(guang)相(xiang)同,即靠選擇性溶解材料表(biao)面微小凸出部分(fen),使表(biao)面光(guang)(guang)滑。與化學拋(pao)光(guang)(guang)相(xiang)比,它可消(xiao)除陰極反應的影響,效果較好。 3.超聲波拋光 超聲(sheng)(sheng)拋(pao)光是利(li)用工(gong)(gong)(gong)(gong)(gong)具斷面作超聲(sheng)(sheng)波(bo)振(zhen)動,通過磨(mo)料(liao)懸浮(fu)液拋(pao)光脆硬材料(liao)的(de)一種加工(gong)(gong)(gong)(gong)(gong)方法。將工(gong)(gong)(gong)(gong)(gong)件(jian)放入磨(mo)料(liao)懸浮(fu)液中并一起置(zhi)于超聲(sheng)(sheng)波(bo)場(chang)中,依靠超聲(sheng)(sheng)波(bo)的(de)振(zhen)蕩(dang)作用,使磨(mo)料(liao)在工(gong)(gong)(gong)(gong)(gong)件(jian)表面磨(mo)削(xue)拋(pao)光。超聲(sheng)(sheng)波(bo)加工(gong)(gong)(gong)(gong)(gong)宏觀力(li)小(xiao),不會(hui)引起工(gong)(gong)(gong)(gong)(gong)件(jian)變形(xing),但工(gong)(gong)(gong)(gong)(gong)裝制(zhi)作和安(an)裝較(jiao)困(kun)難(nan)。 4.機械拋光 拋(pao)(pao)(pao)(pao)(pao)光臘廠家闡述(shu),機(ji)械拋(pao)(pao)(pao)(pao)(pao)光是靠(kao)切削或使材(cai)料(liao)表面(mian)(mian)(mian)發(fa)生塑性變形而去掉工件(jian)表面(mian)(mian)(mian)凸(tu)出部得到平滑面(mian)(mian)(mian)的(de)(de)(de)拋(pao)(pao)(pao)(pao)(pao)光方法,一般使用(yong)油石條、羊毛輪、砂紙(zhi)等,以手工操作為(wei)主(zhu),表面(mian)(mian)(mian)質量(liang)要求高的(de)(de)(de)可采(cai)用(yong)超(chao)精(jing)研(yan)拋(pao)(pao)(pao)(pao)(pao)的(de)(de)(de)方法。超(chao)精(jing)研(yan)拋(pao)(pao)(pao)(pao)(pao)是采(cai)用(yong)特制的(de)(de)(de)磨(mo)具(ju),在(zai)含(han)有(you)磨(mo)料(liao)的(de)(de)(de)研(yan)拋(pao)(pao)(pao)(pao)(pao)液中(zhong),緊壓在(zai)工件(jian)被(bei)加工表面(mian)(mian)(mian)上(shang),作高速(su)旋轉運動。利用(yong)該(gai)技(ji)術可達(da)到Ra0.008 μm的(de)(de)(de)表面(mian)(mian)(mian)粗(cu)糙度,是各種(zhong)拋(pao)(pao)(pao)(pao)(pao)光方法中(zhong)表面(mian)(mian)(mian)粗(cu)糙度最好(hao)的(de)(de)(de)。光學鏡片模具(ju)常采(cai)用(yong)這種(zhong)方法。機(ji)械拋(pao)(pao)(pao)(pao)(pao)光是模具(ju)拋(pao)(pao)(pao)(pao)(pao)光的(de)(de)(de)主(zhu)要方法。 5.流體拋光 流(liu)體(ti)(ti)拋光是依靠流(liu)動的(de)液體(ti)(ti)及其攜帶的(de)磨(mo)粒(li)沖刷(shua)工件表(biao)面達到拋光的(de)目(mu)的(de)。流(liu)體(ti)(ti)動力(li)(li)研磨(mo)是由液壓驅動,介質主要采(cai)用(yong)在較低壓力(li)(li)下(xia)流(liu)過性好的(de)特殊(shu)化合(he)物(聚合(he)物狀物質)并摻入磨(mo)料制成,磨(mo)料可采(cai)用(yong)碳化硅(gui)粉末。 6磁研磨拋光 拋(pao)光(guang)臘廠家概(gai)述,磁(ci)研磨(mo)(mo)(mo)(mo)拋(pao)光(guang)是利用(yong)磁(ci)性磨(mo)(mo)(mo)(mo)料(liao)(liao)在磁(ci)場作用(yong)下(xia)形成磨(mo)(mo)(mo)(mo)料(liao)(liao)刷,對工(gong)件(jian)磨(mo)(mo)(mo)(mo)削加工(gong)。這種方法加工(gong)效率高,質(zhi)量好,加工(gong)條件(jian)容易控制。采(cai)用(yong)合適的磨(mo)(mo)(mo)(mo)料(liao)(liao),加工(gong)的表面粗糙度可達到(dao)Ra0.1 μm。 |