湖南PPH管的制造工藝都是環環相扣需仔細才可
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老司機午夜影院:湖南PPH管的制造工藝都是環(huan)環(huan)相扣(kou)需仔細才可
PPH管(guan)(guan)(guan)(guan)在管(guan)(guan)(guan)(guan)材(cai)零(ling)件(jian)的(de)制造中,首先需(xu)對管(guan)(guan)(guan)(guan)材(cai)進行切(qie)(qie)斷(duan),以(yi)(yi)獲得(de)管(guan)(guan)(guan)(guan)件(jian)所(suo)需(xu)長度的(de)管(guan)(guan)(guan)(guan)坯(pi)。管(guan)(guan)(guan)(guan)材(cai)切(qie)(qie)斷(duan)主要(yao)用機(ji)(ji)械(xie)加(jia)工(gong)(gong)和(he)沖(chong)壓加(jia)工(gong)(gong)兩種(zhong)方(fang)法。機(ji)(ji)械(xie)加(jia)工(gong)(gong)包括鋸床(chuang)切(qie)(qie)斷(duan)、車床(chuang)切(qie)(qie)斷(duan)、砂輪(lun)切(qie)(qie)斷(duan)等,優點是切(qie)(qie)斷(duan)面(mian)質量(liang)穩定,但因其生(sheng)產(chan)率(lv)低,故難以(yi)(yi)滿(man)足大批(pi)量(liang)生(sheng)產(chan)的(de)要(yao)求(qiu)。沖(chong)壓加(jia)工(gong)(gong)生(sheng)產(chan)率(lv)高(gao),但切(qie)(qie)斷(duan)時(shi)管(guan)(guan)(guan)(guan)壁易(yi)被(bei)(bei)壓扁(bian)(bian),導致切(qie)(qie)斷(duan)面(mian)畸變(bian)、歪斜(xie)。如果采(cai)用剪(jian)切(qie)(qie)棒料(liao)的(de)方(fang)法剪(jian)切(qie)(qie)普材(cai),管(guan)(guan)(guan)(guan)材(cai)必然(ran)被(bei)(bei)壓扁(bian)(bian)而不能使用。因此,采(cai)取(qu)特殊的(de)工(gong)(gong)藝措(cuo)施,防止剪(jian)切(qie)(qie)時(shi)管(guan)(guan)(guan)(guan)材(cai)被(bei)(bei)壓扁(bian)(bian),以(yi)(yi)保證切(qie)(qie)斷(duan)面(mian)質量(liang)滿(man)足管(guan)(guan)(guan)(guan)件(jian)的(de)使用要(yao)求(qiu),是十分(fen)重要(yao)的(de)。下面(mian)介(jie)紹幾(ji)種(zhong)已在生(sheng)產(chan)中應用的(de)特殊的(de)PPR管(guan)(guan)(guan)(guan)材(cai)管(guan)(guan)(guan)(guan)材(cai)切(qie)(qie)斷(duan)方(fang)法。
PPH管焊接工藝
PPH管(guan)(guan)管(guan)(guan)材(cai)(cai)剪(jian)切是制(zhi)(zhi)造(zao)管(guan)(guan)材(cai)(cai)零件的(de)(de)(de)(de)基(ji)本(ben)工(gong)(gong)序,包括管(guan)(guan)材(cai)(cai)切斷、端(duan)口形(xing)樣沖裁、沖孔及(ji)切口等。管(guan)(guan)材(cai)(cai)剪(jian)切屬(shu)沖壓加(jia)(jia)工(gong)(gong)分離工(gong)(gong)序,它與(yu)板(ban)材(cai)(cai)剪(jian)切相比(bi),由于自身的(de)(de)(de)(de)形(xing)狀(空(kong)心截(jie)面(mian))特點,剪(jian)切時為防(fang)止(zhi)管(guan)(guan)壁被(bei)壓扁,采(cai)取的(de)(de)(de)(de)工(gong)(gong)藝(yi)措施(shi)比(bi)較復(fu)雜,同時對模具設計(ji)及(ji)制(zhi)(zhi)造(zao)也提出了(le)更高(gao)要(yao)求。管(guan)(guan)材(cai)(cai)剪(jian)切與(yu)機加(jia)(jia)工(gong)(gong)切斷相比(bi),由于加(jia)(jia)工(gong)(gong)速度快,生產效(xiao)率高(gao),適合大批(pi)量生產。因而有廣(guang)泛的(de)(de)(de)(de)應用前景口但由于管(guan)(guan)材(cai)(cai)剪(jian)切加(jia)(jia)工(gong)(gong)本(ben)身較復(fu)雜,而且在技(ji)術上也有不(bu)夠(gou)成熟之(zhi)處。所以在生產中的(de)(de)(de)(de)應用還不(bu)夠(gou)廣(guang)泛口本(ben)章(zhang)主(zhu)要(yao)介紹(shao)管(guan)(guan)材(cai)(cai)剪(jian)切的(de)(de)(de)(de)各(ge)種工(gong)(gong)藝(yi)方法及(ji)適用范圍。
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