將(jiang)零(ling)(ling)件(jian)表(biao)面的(de)(de)加(jia)工刀(dao)紋和(he)劃痕磨(mo)平，先將(jiang)零(ling)(ling)件(jian)利用水(shui)(shui)砂紙打磨(mo)。但外表(biao)呈霧化狀(zhuang)，無法(fa)實(shi)現透(tou)明度的(de)(de)技(ji)術要求(qiu)(qiu)。經(jing)過(guo)幾種(zhong)研(yan)磨(mo)資料對比(bi)后，最終采用軟(ruan)綢布混涂牙膏的(de)(de)拋光方式，因零(ling)(ling)件(jian)內(nei)孔(kong)(kong)孔(kong)(kong)徑小，將(jiang)家中使用的(de)(de)竹筷(kuai)從中間(jian)劈(pi)開，纏繞軟(ruan)綢布，將(jiang)牙膏和(he)水(shui)(shui)按一定比(bi)例混合調勻(yun)后作為研(yan)磨(mo)劑，調節(jie)適當的(de)(de)車(che)速，沿(yan)徑向(xiang)均(jun)勻(yun)延伸至(zhi)內(nei)孔(kong)(kong)端(duan)面，加(jia)工后外表(biao)無車(che)削加(jia)工痕跡(ji)，晶瑩(ying)剔透(tou)，實(shi)現了(le)零(ling)(ling)件(jian)的(de)(de)透(tou)明度需求(qiu)(qiu)。完成的(de)(de)零(ling)(ling)件(jian)

　　有(you)(you)機玻(bo)璃學(xue)名為聚(ju)甲基(ji)丙烯酸甲酯。具(ju)有(you)(you)較(jiao)好的透光性和(he)化(hua)學(xue)穩(wen)定性，耐酸堿，且尺寸穩(wen)定、易于(yu)成形，所以在航空(kong)航天、化(hua)工(gong)和(he)醫(yi)療等領(ling)域(yu)都有(you)(you)廣泛應用。實際(ji)生(sheng)產應用中，有(you)(you)機玻(bo)璃制(zhi)品零件大多可(ke)以直接澆鑄成型，但有(you)(you)些形狀特(te)殊、尺寸精度和(he)外表粗糙(cao)度要求較(jiao)高的零件，往往需(xu)要進行機械加工(gong)。

　　但有(you)機玻(bo)璃與金屬材料的(de)(de)(de)機械性(xing)能有(you)較大差異，其質地(di)較脆，具有(you)缺(que)口(kou)敏感性(xing)，應力作用(yong)下易(yi)開(kai)裂。為了保證零(ling)件(jian)的(de)(de)(de)尺寸(cun)精度(du)、外(wai)(wai)表粗糙(cao)度(du)及技術(shu)要求，提(ti)高零(ling)件(jian)的(de)(de)(de)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)合格率，嘗試著在加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)零(ling)件(jian)端面和(he)端面止口(kou)槽后，先(xian)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)內(nei)孔(kong)，為防止資料自身(shen)的(de)(de)(de)彈性(xing)回彈，控制鉆削進給量為0.050.08mm同(tong)時(shi)嚴格控制切(qie)(qie)(qie)削液(ye)澆注的(de)(de)(de)速率和(he)跟(gen)隨性(xing)，確保鉆孔(kong)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)時(shi)切(qie)(qie)(qie)削溫度(du)的(de)(de)(de)一致(zhi)性(xing)。內(nei)孔(kong)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)完(wan)畢后，使用(yong)止口(kou)定位輔助工(gong)(gong)(gong)(gong)裝(zhuang)，利(li)用(yong)頂尖(jian)頂住止口(kou)定位工(gong)(gong)(gong)(gong)裝(zhuang)的(de)(de)(de)輔助中心(xin)孔(kong)，保證外(wai)(wai)圓(yuan)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)時(shi)的(de)(de)(de)軸向限(xian)位。先(xian)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)軸外(wai)(wai)徑(jing)φ50mm后，利(li)用(yong)切(qie)(qie)(qie)刀加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)偏刀的(de)(de)(de)躲避空間，然后直接一次(ci)加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)成(cheng)形φ20mm外(wai)(wai)徑(jing)尺寸(cun)，完(wan)成(cheng)零(ling)件(jian)的(de)(de)(de)切(qie)(qie)(qie)削加(jia)(jia)(jia)(jia)工(gong)(gong)(gong)(gong)。