無心磨(mo)床,是不用選用工(gong)件(jian)的(de)(de)(de)樞軸(zhou)精準定位而開展磨(mo)削(xue)的(de)(de)(de)一類數控磨(mo)床,關(guan)鍵由磨(mo)削(xue)砂輪、調節(jie)輪和工(gong)件(jian)支(zhi)撐(cheng)架三個(ge)組(zu)織(zhi)組(zu)成,在其(qi)中(zhong)磨(mo)削(xue)砂輪具體出任磨(mo)削(xue)的(de)(de)(de)工(gong)作中(zhong),調節(jie)輪操(cao)(cao)縱工(gong)件(jian)的(de)(de)(de)轉動,并操(cao)(cao)縱工(gong)件(jian)的(de)(de)(de)下刀速率,對于工(gong)件(jian)支(zhi)撐(cheng)架乃在磨(mo)削(xue)時支(zhi)撐(cheng)點(dian)工(gong)件(jian),這(zhe)三種零件(jian)可(ke)有多種相互配合(he)的(de)(de)(de)方式(shi),但終(zhong)止碾(nian)磨(mo)以外,基本(ben)原理上面同樣。
無心(xin)磨(mo)(mo)(mo)床關鍵(jian)有(you)三種(zhong)磨(mo)(mo)(mo)削(xue)方式(shi);根(gen)(gen)據(ju)式(shi)、切(qie)入(ru)式(shi)和切(qie)入(ru)一(yi)根(gen)(gen)據(ju)式(shi)、根(gen)(gen)據(ju)式(shi)無意磨(mo)(mo)(mo)削(xue)。工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)沿砂輪(lun)(lun)中心(xin)線(xian)方位(wei)(wei)(wei)走(zou)刀(dao)開(kai)展(zhan)磨(mo)(mo)(mo)削(xue)。調節導(dao)輪(lun)(lun)中心(xin)線(xian)的(de)細(xi)微傾斜(xie)角來完成(cheng)工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)軸(zhou)(zhou)徑(jing)走(zou)刀(dao)。適合磨(mo)(mo)(mo)削(xue)長細(xi)圓柱型(xing)工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)。無管理中心(xin)孔(kong)的(de)短(duan)軸(zhou)(zhou)和軸(zhou)(zhou)類(lei)零件(jian)(jian)(jian)加工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)等。切(qie)入(ru)式(shi)無意磨(mo)(mo)(mo)削(xue)。墊板(ban)上面有(you)軸(zhou)(zhou)徑(jing)精(jing)準(zhun)定位(wei)(wei)(wei)支撐點(dian),工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)支撐在墊板(ban)一(yi)定部位(wei)(wei)(wei)上,以(yi)砂輪(lun)(lun)或(huo)導(dao)輪(lun)(lun)切(qie)入(ru)開(kai)展(zhan)磨(mo)(mo)(mo)削(xue)。用(yong)以(yi)磨(mo)(mo)(mo)削(xue)帶軸(zhou)(zhou)環或(huo)凸(tu)模的(de)工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)及其錐體,圓球或(huo)別的(de)旋(xuan)轉體工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)。切(qie)入(ru)一(yi)根(gen)(gen)據(ju)式(shi)無意磨(mo)(mo)(mo)削(xue)是這二(er)者(zhe)的(de)復(fu)合型(xing)。除(chu)此之外,也(ye)有(you)斷線(xian)走(zou)刀(dao)式(shi)磨(mo)(mo)(mo)削(xue)和使帶階梯的(de)工(gong)(gong)(gong)(gong)件(jian)(jian)(jian)在軸(zhou)(zhou)徑(jing)進、退的(de)內孔(kong)走(zou)刀(dao)式(shi)磨(mo)(mo)(mo)削(xue)。無心(xin)磨(mo)(mo)(mo)床生產(chan)效率較高。多用(yong)以(yi)很多生產(chan)制造,便于完成(cheng)自動化技術。
無(wu)(wu)(wu)心磨(mo)(mo)(mo)床(chuang)的(de)(de)(de)特(te)性(xing)(xing)無(wu)(wu)(wu)心磨(mo)(mo)(mo)床(chuang)組(zu)(zu)(zu)織(zhi)(zhi)(zhi)(zhi)特(te)性(xing)(xing)與(yu)一般磨(mo)(mo)(mo)床(chuang)相(xiang)較(jiao)為(wei)有下述特(te)性(xing)(xing)。1、持(chi)續生(sheng)(sheng)產(chan)(chan)加(jia)工(gong)(gong)(gong)(gong),不用(yong)進刀,夾(jia)裝工(gong)(gong)(gong)(gong)件(jian)等拷貝(bei)時間(jian)較(jiao)短,生(sheng)(sheng)產(chan)(chan)效率高(gao)。2、固定(ding)支架和導輪(lun)(lun)精(jing)準(zhun)(zhun)定(ding)位(wei)(wei)組(zu)(zu)(zu)織(zhi)(zhi)(zhi)(zhi)比(bi)一般磨(mo)(mo)(mo)床(chuang)、中(zhong)(zhong)心架組(zu)(zu)(zu)織(zhi)(zhi)(zhi)(zhi)支撐剛度(du)(du)好(hao),鉆削(xue)(xue)量能夠很(hen)大,并有益(yi)于(yu)長細(xi)軸(zhou)類(lei)零(ling)件(jian)工(gong)(gong)(gong)(gong)件(jian)的(de)(de)(de)生(sheng)(sheng)產(chan)(chan)加(jia)工(gong)(gong)(gong)(gong),便于(yu)完成髙(gao)速磨(mo)(mo)(mo)削(xue)(xue)和超強(qiang)力磨(mo)(mo)(mo)削(xue)(xue)。3、無(wu)(wu)(wu)心磨(mo)(mo)(mo)床(chuang)工(gong)(gong)(gong)(gong)件(jian)靠內孔(kong)在(zai)精(jing)準(zhun)(zhun)定(ding)位(wei)(wei)組(zu)(zu)(zu)織(zhi)(zhi)(zhi)(zhi)上(shang)(shang)精(jing)準(zhun)(zhun)定(ding)位(wei)(wei),磨(mo)(mo)(mo)削(xue)(xue)量是工(gong)(gong)(gong)(gong)件(jian)直徑上(shang)(shang)的(de)(de)(de)容量,故砂輪(lun)(lun)的(de)(de)(de)磨(mo)(mo)(mo)壞(huai)、走(zou)刀組(zu)(zu)(zu)織(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)賠(pei)償和切入組(zu)(zu)(zu)織(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)反(fan)復精(jing)度(du)(du)等級誤差值(zhi)對零(ling)件(jian)直徑規(gui)格精(jing)密度(du)(du)的(de)(de)(de)危害。僅有一般磨(mo)(mo)(mo)床(chuang)的(de)(de)(de)一半(ban),不需(xu)打管理中(zhong)(zhong)心孔(kong),且便于(yu)完成上(shang)(shang)、開料自動化(hua)技(ji)術(shu)。4、寬砂輪(lun)(lun)無(wu)(wu)(wu)心磨(mo)(mo)(mo)床(chuang)根據(ju)式(shi)組(zu)(zu)(zu)織(zhi)(zhi)(zhi)(zhi)、可(ke)選用(yong)增加(jia)每一次的(de)(de)(de)加(jia)工(gong)(gong)(gong)(gong)的(de)(de)(de)剩余量,在(zai)切入磨(mo)(mo)(mo)時可(ke)對復雜(za)性(xing)(xing)面(mian)先后形磨(mo)(mo)(mo)削(xue)(xue)或多砂輪(lun)(lun)磨(mo)(mo)(mo)削(xue)(xue),生(sheng)(sheng)產(chan)(chan)效率高(gao),應用(yong)領域廣(guang)。5、無(wu)(wu)(wu)心磨(mo)(mo)(mo)床(chuang)無(wu)(wu)(wu)確保磨(mo)(mo)(mo)削(xue)(xue)表(biao)面(mian)和非磨(mo)(mo)(mo)削(xue)(xue)表(biao)面(mian)的(de)(de)(de)相(xiang)對位(wei)(wei)置精(jing)密度(du)(du)(平行度(du)(du),平整(zheng)度(du)(du)等)的(de)(de)(de)組(zu)(zu)(zu)織(zhi)(zhi)(zhi)(zhi),磨(mo)(mo)(mo)削(xue)(xue)軸(zhou)向時斷時續的(de)(de)(de)外表(biao)面(mian)時同(tong)心度(du)(du)較(jiao)弱。6、磨(mo)(mo)(mo)削(xue)(xue)表(biao)面(mian)易造成奇多次棱同(tong)心度(du)(du),如很(hen)大時通常會導致準(zhun)(zhun)確測量規(gui)格低(di)于(yu)較(jiao)大實體線(xian)規(gui)格的(de)(de)(de)幻覺,而(er)危害安裝品質和工(gong)(gong)(gong)(gong)作中(zhong)(zhong)特(te)性(xing)(xing)。7、數控車床(chuang)調(diao)節較(jiao)繁(fan)雜(za)、費時間(jian),每拆換不一樣直徑的(de)(de)(de)工(gong)(gong)(gong)(gong)件(jian)需(xu)沖(chong)調(diao)節固定(ding)支架高(gao)寬比(bi),與(yu)間(jian)距及相(xiang)關的(de)(de)(de)加(jia)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)藝(yi)主要參數。故調(diao)節技(ji)術(shu)水平很(hen)大,不適合小批及散件(jian)生(sheng)(sheng)產(chan)(chan)制(zhi)造。