數(shu)(shu)控(kong)機(ji)(ji)(ji)床加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)中(zhong)(zhong)心(xin)(xin)(xin)數(shu)(shu)控(kong)車床危害加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)精密度的(de)要素加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)原理(li)差(cha)(cha)(cha)錯(cuo)(cuo)數(shu)(shu)控(kong)機(ji)(ji)(ji)床加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)中(zhong)(zhong)心(xin)(xin)(xin)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)原理(li)差(cha)(cha)(cha)錯(cuo)(cuo)就(jiu)是(shi)指選(xuan)用(yong)了(le)類(lei)似的(de)刃口歸納或類(lei)似的(de)傳(chuan)動系統關聯開展(zhan)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)而發病(bing)的(de)差(cha)(cha)(cha)錯(cuo)(cuo)。加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)原理(li)差(cha)(cha)(cha)錯(cuo)(cuo)多展(zhan)現于外螺紋、傳(chuan)動齒(chi)(chi)輪(lun)(lun)(lun)、雜亂(luan)無章斜面(mian)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)中(zhong)(zhong)。比如，數(shu)(shu)控(kong)機(ji)(ji)(ji)床加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)中(zhong)(zhong)心(xin)(xin)(xin)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)漸(jian)開線齒(chi)(chi)輪(lun)(lun)(lun)用(yong)的(de)傳(chuan)動齒(chi)(chi)輪(lun)(lun)(lun)端銑刀(dao)(dao)，為(wei)使端銑刀(dao)(dao)制做便捷，選(xuan)用(yong)了(le)阿(a)基(ji)(ji)米德基(ji)(ji)礎蝸(gua)(gua)桿或反向(xiang)直廓基(ji)(ji)礎蝸(gua)(gua)桿取(qu)代(dai)漸(jian)開線齒(chi)(chi)輪(lun)(lun)(lun)基(ji)(ji)礎蝸(gua)(gua)桿，使傳(chuan)動齒(chi)(chi)輪(lun)(lun)(lun)漸(jian)開線齒(chi)(chi)輪(lun)(lun)(lun)齒(chi)(chi)型(xing)發病(bing)了(le)差(cha)(cha)(cha)錯(cuo)(cuo)。又如銑削變位系數(shu)(shu)蝸(gua)(gua)桿時，由于蝸(gua)(gua)桿的(de)牙距(ju)相(xiang)當(dang)于蝸(gua)(gua)輪(lun)(lun)(lun)蝸(gua)(gua)桿的(de)周節(即(ji)mπ)，立式加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)中(zhong)(zhong)心(xin)(xin)(xin)機(ji)(ji)(ji)械維修報價(jia)，期間m是(shi)變位系數(shu)(shu)，而π是(shi)一個無理(li)數(shu)(shu)，但是(shi)數(shu)(shu)控(kong)車床的(de)配換傳(chuan)動齒(chi)(chi)輪(lun)(lun)(lun)的(de)齒(chi)(chi)數(shu)(shu)是(shi)比較有限的(de)，挑(tiao)選(xuan)配換傳(chuan)動齒(chi)(chi)輪(lun)(lun)(lun)時只有將(jiang)(jiang)π化(hua)作(zuo)類(lei)似的(de)分數(shu)(shu)值(π=3.1415)測算(suan)，這(zhe)就(jiu)將(jiang)(jiang)造成數(shu)(shu)控(kong)刀(dao)(dao)片有關產(chan)品工(gong)(gong)(gong)件成型(xing)健身運動(螺旋運動)的(de)不，導致牙距(ju)差(cha)(cha)(cha)錯(cuo)(cuo)。數(shu)(shu)控(kong)機(ji)(ji)(ji)床加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)中(zhong)(zhong)心(xin)(xin)(xin)在加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)中(zhong)(zhong)，一般選(xuan)用(yong)類(lei)似加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)，立式加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)中(zhong)(zhong)心(xin)(xin)(xin)機(ji)(ji)(ji)械維修多少錢，在基(ji)(ji)礎理(li)論差(cha)(cha)(cha)錯(cuo)(cuo)能夠令人滿意加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)精密度規定(ding)的(de)前提條件下(《=10%-15%限度公役)，來提升生(sheng)產(chan)效率和合理(li)性。

       加(jia)工中(zhong)(zhong)心(xin)類型的(de)選(xuan)定需要考(kao)慮加(jia)工對象、加(jia)工工藝、加(jia)工范圍和(he)設(she)備價格等因素，根(gen)據所選(xuan)零(ling)(ling)件族(zu) （組(zu)）進行(xing)。如果您的(de)加(jia)工工件具(ju)有(you)以下(xia)特征，則應(ying)選(xuan)擇臥(wo)式加(jia)工中(zhong)(zhong)心(xin)：加(jia)工兩面以上的(de)零(ling)(ling)件或加(jia)工在四周呈徑向輻射狀排列的(de)孔系、面，如箱體類、殼體類零(ling)(ling)件等，應(ying)選(xuan)擇臥(wo)式加(jia)工中(zhong)(zhong)心(xin)；被加(jia)工零(ling)(ling)件的(de)位置精度(du)要求較(jiao)高，宜選(xuan)用(yong)高精密臥(wo)式加(jia)工中(zhong)(zhong)心(xin)。

   ;   零件在一次(ci)裝夾中(zhong)需要(yao)完成多面(mian)(mian)加(jia)工(gong)(gong)時，可選擇立(li)臥復合(he)式五面(mian)(mian)加(jia)工(gong)(gong)中(zhong)心(xin)。當(dang)然，上述各點也不是的(de)，一方面(mian)(mian)是由于加(jia)工(gong)(gong)中(zhong)心(xin)正朝著復合(he)化方向(xiang)發展，立(li)式加(jia)工(gong)(gong)中(zhong)心(xin)機械維修廠，另一方面(mian)(mian)選型(xing)時要(yao)綜(zong)合(he)考慮(lv)生產效率、加(jia)工(gong)(gong)工(gong)(gong)藝要(yao)求和(he)設備資金等因素，要(yao)以來衡量(liang)選型(xing)方案(an)的(de)合(he)理(li)性(xing)。

      數(shu)控(kong)立(li)式加(jia)(jia)工(gong)中心機進給加(jia)(jia)工(gong)路線(xian)指車刀從對(dui)刀點（或(huo)機床固定原點）開始運動起，河南立(li)式加(jia)(jia)工(gong)中心機械維(wei)修，直至返回(hui)該(gai)點并(bing)結(jie)束加(jia)(jia)工(gong)程(cheng)序(xu)所經過的(de)路徑，包括切削加(jia)(jia)工(gong)的(de)路徑及刀具切入(ru)、切出等非切削空(kong)行(xing)程(cheng)路徑。 在小型立(li)式加(jia)(jia)工(gong)中心機加(jia)(jia)工(gong)中，加(jia)(jia)工(gong)路線(xian)的(de)確(que)定一(yi)般要遵循以下幾方面原則。        

①對(dui)于某些重(zhong)復使(shi)用的程序，應使(shi)用子程序。        

②使加工路線短，減少空行程時(shi)間，提高加工效率。        

③盡量簡化(hua)數值計算的工(gong)作量，簡化(hua)加工(gong)程(cheng)序。        

④應能保證被加(jia)工(gong)工(gong)件的(de)精度(du)和表面粗(cu)糙度(du)。