在(zai)擬定(ding)工(gong)(gong)藝(yi)路(lu)線(xian)時,工(gong)(gong)序(xu)集(ji)中或分散的(de)程(cheng)度,主要(yao)取決于生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)規模、零件的(de)結構特點和技(ji)術要(yao)求,有時,還要(yao)考(kao)慮(lv)各工(gong)(gong)序(xu)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)節拍的(de)一(yi)致(zhi)性。一(yi)般情況下,單(dan)個小(xiao)批(pi)(pi)(pi)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)時,只能工(gong)(gong)序(xu)集(ji)中,在(zai)一(yi)臺普通(tong)機床上加工(gong)(gong)出(chu)盡(jin)量多(duo)的(de)表面;大批(pi)(pi)(pi)大量生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)時,既可(ke)(ke)以(yi)(yi)采用多(duo)刀、多(duo)軸(zhou)等高效、自動機床,將(jiang)(jiang)工(gong)(gong)序(xu)集(ji)中,也可(ke)(ke)以(yi)(yi)將(jiang)(jiang)工(gong)(gong)序(xu)分散后組織流(liu)水(shui)生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)。批(pi)(pi)(pi)量生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)應盡(jin)可(ke)(ke)能采用效率較(jiao)高的(de)半自動機床,使工(gong)(gong)序(xu)適當集(ji)中,從(cong)而有效地提(ti)高生(sheng)(sheng)(sheng)(sheng)產(chan)(chan)率。
閥體加工工藝路線安排如下:
(1)鑄造毛坯;
(2)時效處理;
(3)車左端面,粗(cu)、半精、精鏜孔Φ35、Φ43、Φ50;鉆、粗(cu)鉸、精鉸Φ20;
(4)調(diao)冰(bing),車(che)右端面(mian)(mian),車(che)孔Φ28.5;車(che)右端外圓(yuan)表面(mian)(mian),倒角(jiao);車(che)M36´2螺紋;
(5)車(che)(che)上端面,鏜孔Φ18、Φ22、Φ26,車(che)(che)Φ孔24.3;車(che)(che)M24螺紋;
(6)鉆(zhan)-攻4-M12螺紋;
(7)銑凸臺;
(8)檢查;
(9)包裝入庫。