預裝FESTO氣管接頭是應該注意什么？

FESTO氣(qi)管接(jie)頭具有結構先進、性(xing)能良好、使(shi)用(yong)方(fang)便(bian)、不用(yong)焊接(jie)、不必將配管擴口等(deng)一系列優點，因此，卡套式管接(jie)頭已廣(guang)泛應(ying)用(yong)于各類機械的液壓、氣(qi)動(dong)系統中。但卡套式管接(jie)頭的卡套制造精度(du)較高，由于工(gong)藝復雜(za)，不宜零(ling)星或小批制造，需(xu)專業生產。

FESTO氣(qi)管接頭(tou)（圖）

FESTO氣(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)接(jie)(jie)(jie)頭(tou)(tou)的(de)(de)(de)(de)(de)(de)(de)預(yu)(yu)裝(zhuang)(zhuang)(zhuang)的(de)(de)(de)(de)(de)(de)(de)zui重要(yao)的(de)(de)(de)(de)(de)(de)(de)環節(jie)，直接(jie)(jie)(jie)影(ying)響到(dao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)的(de)(de)(de)(de)(de)(de)(de)可(ke)(ke)(ke)靠性(xing)(xing)。一般需(xu)要(yao)的(de)(de)(de)(de)(de)(de)(de)預(yu)(yu)器。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)徑小的(de)(de)(de)(de)(de)(de)(de)接(jie)(jie)(jie)頭(tou)(tou)可(ke)(ke)(ke)以在(zai)(zai)(zai)臺鉗上(shang)進(jin)(jin)行(xing)(xing)(xing)預(yu)(yu)裝(zhuang)(zhuang)(zhuang)。具(ju)體(ti)做法是(shi)(shi)(shi)，用(yong)(yong)(yong)(yong)(yong)(yong)一個接(jie)(jie)(jie)頭(tou)(tou)作為(wei)母(mu)(mu)體(ti)，將(jiang)螺(luo)(luo)(luo)(luo)(luo)母(mu)(mu)、卡(ka)(ka)(ka)(ka)(ka)套(tao)(tao)(tao)(tao)壓(ya)緊到(dao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)(zi)上(shang)可(ke)(ke)(ke)。主要(yao)有(you)卡(ka)(ka)(ka)(ka)(ka)套(tao)(tao)(tao)(tao)式(shi)(shi)直通(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)接(jie)(jie)(jie)頭(tou)(tou)、卡(ka)(ka)(ka)(ka)(ka)套(tao)(tao)(tao)(tao)式(shi)(shi)端(duan)(duan)(duan)直通(tong)接(jie)(jie)(jie)通(tong)頭(tou)(tou)、卡(ka)(ka)(ka)(ka)(ka)套(tao)(tao)(tao)(tao)式(shi)(shi)三(san)通(tong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)接(jie)(jie)(jie)頭(tou)(tou)等(deng)(deng)(deng)(deng)型式(shi)(shi)。筆者發現(xian)，即使(shi)(shi)是(shi)(shi)(shi)同(tong)一廠家一批(pi)貨(huo)，這幾種接(jie)(jie)(jie)頭(tou)(tou)體(ti)上(shang)錐(zhui)形(xing)(xing)(xing)(xing)孔的(de)(de)(de)(de)(de)(de)(de)深(shen)度(du)往往不(bu)(bu)(bu)相同(tong)，結果(guo)(guo)就造(zao)成(cheng)了(le)泄(xie)(xie)漏(lou)(lou)(lou)(lou)，而此(ci)問題往往被忽(hu)視(shi)。正確的(de)(de)(de)(de)(de)(de)(de)做法是(shi)(shi)(shi)，管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)(zi)一端(duan)(duan)(duan)用(yong)(yong)(yong)(yong)(yong)(yong)什么(me)樣的(de)(de)(de)(de)(de)(de)(de)接(jie)(jie)(jie)頭(tou)(tou)體(ti)連(lian)(lian)接(jie)(jie)(jie)，對(dui)(dui)(dui)應(ying)(ying)(ying)的(de)(de)(de)(de)(de)(de)(de)連(lian)(lian)接(jie)(jie)(jie)端(duan)(duan)(duan)則用(yong)(yong)(yong)(yong)(yong)(yong)相同(tong)類型的(de)(de)(de)(de)(de)(de)(de)接(jie)(jie)(jie)頭(tou)(tou)預(yu)(yu)裝(zhuang)(zhuang)(zhuang)，這樣能(neng)zui大(da)(da)(da)限度(du)地(di)避免(mian)出(chu)現(xian)泄(xie)(xie)漏(lou)(lou)(lou)(lou)問題。②FESTO氣(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)接(jie)(jie)(jie)頭(tou)(tou)端(duan)(duan)(duan)面(mian)(mian)應(ying)(ying)(ying)平齊。管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)(zi)鋸斷后(hou)(hou)應(ying)(ying)(ying)在(zai)(zai)(zai)砂(sha)輪(lun)等(deng)(deng)(deng)(deng)工(gong)(gong)具(ju)上(shang)打磨平齊，并且(qie)去(qu)除(chu)(chu)毛(mao)刺，清洗(xi)并用(yong)(yong)(yong)(yong)(yong)(yong)高壓(ya)空(kong)氣(qi)(qi)吹凈后(hou)(hou)再使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)。③FESTO氣(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)接(jie)(jie)(jie)頭(tou)(tou)預(yu)(yu)裝(zhuang)(zhuang)(zhuang)時(shi)，應(ying)(ying)(ying)盡量(liang)保持管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)(zi)與接(jie)(jie)(jie)頭(tou)(tou)體(ti)的(de)(de)(de)(de)(de)(de)(de)同(tong)軸度(du)，若(ruo)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)(zi)偏斜(xie)過大(da)(da)(da)也(ye)會(hui)(hui)造(zao)成(cheng)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)失效。④FESTO氣(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)接(jie)(jie)(jie)頭(tou)(tou)預(yu)(yu)裝(zhuang)(zhuang)(zhuang)力不(bu)(bu)(bu)宜太(tai)大(da)(da)(da)使(shi)(shi)卡(ka)(ka)(ka)(ka)(ka)套(tao)(tao)(tao)(tao)的(de)(de)(de)(de)(de)(de)(de)內刃剛好(hao)嵌(qian)入(ru)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)(zi)外壁，卡(ka)(ka)(ka)(ka)(ka)套(tao)(tao)(tao)(tao)不(bu)(bu)(bu)應(ying)(ying)(ying)有(you)明顯(xian)變形(xing)(xing)(xing)(xing)。在(zai)(zai)(zai)進(jin)(jin)行(xing)(xing)(xing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)路連(lian)(lian)接(jie)(jie)(jie)時(shi)，再按(an)規定的(de)(de)(de)(de)(de)(de)(de)擰緊力裝(zhuang)(zhuang)(zhuang)配(pei)。ф6-1卡(ka)(ka)(ka)(ka)(ka)套(tao)(tao)(tao)(tao)的(de)(de)(de)(de)(de)(de)(de)擰緊力為(wei)64-1 15n、16фmmr　259n、ф18mm的(de)(de)(de)(de)(de)(de)(de)為(wei)450n。如果(guo)(guo)在(zai)(zai)(zai)預(yu)(yu)裝(zhuang)(zhuang)(zhuang)時(shi)卡(ka)(ka)(ka)(ka)(ka)套(tao)(tao)(tao)(tao)變形(xing)(xing)(xing)(xing)嚴重，會(hui)(hui)失去(qu)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)作用(yong)(yong)(yong)(yong)(yong)(yong)。（二）.禁止(zhi)加入(ru)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)膠等(deng)(deng)(deng)(deng)填料。有(you)人為(wei)了(le)取得(de)更好(hao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)效果(guo)(guo)，在(zai)(zai)(zai)卡(ka)(ka)(ka)(ka)(ka)套(tao)(tao)(tao)(tao)上(shang)涂上(shang)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)膠，結果(guo)(guo)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)膠被沖入(ru)液(ye)(ye)壓(ya)系統中(zhong)，造(zao)成(cheng)液(ye)(ye)壓(ya)元件(jian)陰尼(ni)孔堵塞等(deng)(deng)(deng)(deng)故障(zhang)。（三(san)）.連(lian)(lian)接(jie)(jie)(jie)FESTO氣(qi)(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)接(jie)(jie)(jie)頭(tou)(tou)時(shi)，應(ying)(ying)(ying)使(shi)(shi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)(zi)有(you)足(zu)夠(gou)的(de)(de)(de)(de)(de)(de)(de)變形(xing)(xing)(xing)(xing)余量(liang)，避免(mian)使(shi)(shi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)(zi)受到(dao)拉伸力。（四）.連(lian)(lian)接(jie)(jie)(jie)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)路時(shi)，應(ying)(ying)(ying)避免(mian)使(shi)(shi)其受到(dao)側向力，側向力過大(da)(da)(da)會(hui)(hui)造(zao)成(cheng)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)不(bu)(bu)(bu)嚴。（五）.連(lian)(lian)接(jie)(jie)(jie)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)路時(shi)，應(ying)(ying)(ying)一次性(xing)(xing)好(hao)，避免(mian)多次拆卸(xie)，否(fou)(fou)則也(ye)會(hui)(hui)使(shi)(shi)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)性(xing)(xing)能(neng)變差。卡(ka)(ka)(ka)(ka)(ka)套(tao)(tao)(tao)(tao)式(shi)(shi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)接(jie)(jie)(jie)頭(tou)(tou)安裝(zhuang)(zhuang)(zhuang)（１）按(an)第9章(zhang)要(yao)求(qiu)對(dui)(dui)(dui)需(xu)要(yao)酸(suan)洗(xi)的(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)(zi)應(ying)(ying)(ying)先酸(suan)洗(xi)處理；（２）按(an)需(xu)要(yao)長度(du)用(yong)(yong)(yong)(yong)(yong)(yong)鋸床(chuang)或(huo)(huo)(huo)(huo)切(qie)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)機等(deng)(deng)(deng)(deng)機具(ju)切(qie)斷管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)(zi)，不(bu)(bu)(bu)允許(xu)用(yong)(yong)(yong)(yong)(yong)(yong)溶斷（如火焰(yan)切(qie)割）或(huo)(huo)(huo)(huo)砂(sha)輪(lun)切(qie)割；除(chu)(chu)去(qu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)端(duan)(duan)(duan)內外圓毛(mao)刺、金屬切(qie)屑及(ji)(ji)污垢(gou)；除(chu)(chu)去(qu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)接(jie)(jie)(jie)頭(tou)(tou)的(de)(de)(de)(de)(de)(de)(de)防銹(xiu)劑(ji)及(ji)(ji)污垢(gou)；同(tong)時(shi)還(huan)要(yao)保證(zheng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)(zi)圓度(du)；（３）將(jiang)螺(luo)(luo)(luo)(luo)(luo)母(mu)(mu)、卡(ka)(ka)(ka)(ka)(ka)套(tao)(tao)(tao)(tao)先后(hou)(hou)套(tao)(tao)(tao)(tao)入(ru)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)(zi)，卡(ka)(ka)(ka)(ka)(ka)套(tao)(tao)(tao)(tao)前(qian)端(duan)(duan)(duan)刃口(kou)(kou)(kou)（小徑端(duan)(duan)(duan)）距(ju)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)(zi)口(kou)(kou)(kou)至少(shao)3mm，然后(hou)(hou)將(jiang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)(zi)插入(ru)接(jie)(jie)(jie)頭(tou)(tou)體(ti)內錐(zhui)孔，頂到(dao)為(wei)止(zhi)；（４）慢慢擰緊螺(luo)(luo)(luo)(luo)(luo)母(mu)(mu)，同(tong)時(shi)轉動(dong)(dong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)(zi)直至不(bu)(bu)(bu)動(dong)(dong)時(shi)，再擰緊螺(luo)(luo)(luo)(luo)(luo)母(mu)(mu)2/3～4/3圈(quan)；（５）拆開檢(jian)查(cha)卡(ka)(ka)(ka)(ka)(ka)套(tao)(tao)(tao)(tao)是(shi)(shi)(shi)否(fou)(fou)已切(qie)入(ru)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)子(zi)(zi)，位(wei)置是(shi)(shi)(shi)否(fou)(fou)正確。卡(ka)(ka)(ka)(ka)(ka)套(tao)(tao)(tao)(tao)不(bu)(bu)(bu)允許(xu)有(you)軸向移動(dong)(dong)，可(ke)(ke)(ke)稍有(you)轉動(dong)(dong)；（６）檢(jian)查(cha)合格后(hou)(hou)重新旋(xuan)緊螺(luo)(luo)(luo)(luo)(luo)母(mu)(mu)。二、管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)接(jie)(jie)(jie)頭(tou)(tou)處泄(xie)(xie)漏(lou)(lou)(lou)(lou)的(de)(de)(de)(de)(de)(de)(de)預(yu)(yu)防 在(zai)(zai)(zai)液(ye)(ye)壓(ya)系統中(zhong)，無論是(shi)(shi)(shi)金屬管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)接(jie)(jie)(jie)頭(tou)(tou)，還(huan)是(shi)(shi)(shi)軟管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)接(jie)(jie)(jie)頭(tou)(tou)，都存在(zai)(zai)(zai)容易產生泄(xie)(xie)漏(lou)(lou)(lou)(lou)的(de)(de)(de)(de)(de)(de)(de)問題。對(dui)(dui)(dui)于(yu)卡(ka)(ka)(ka)(ka)(ka)套(tao)(tao)(tao)(tao)式(shi)(shi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)接(jie)(jie)(jie)頭(tou)(tou)，大(da)(da)(da)多因(yin)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道受到(dao)較大(da)(da)(da)的(de)(de)(de)(de)(de)(de)(de)外力或(huo)(huo)(huo)(huo)沖擊力，使(shi)(shi)卡(ka)(ka)(ka)(ka)(ka)套(tao)(tao)(tao)(tao)松(song)動(dong)(dong)或(huo)(huo)(huo)(huo)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)端(duan)(duan)(duan)面(mian)(mian)變形(xing)(xing)(xing)(xing)而造(zao)成(cheng)泄(xie)(xie)漏(lou)(lou)(lou)(lou)，此(ci)時(shi)應(ying)(ying)(ying)檢(jian)查(cha)卡(ka)(ka)(ka)(ka)(ka)套(tao)(tao)(tao)(tao)是(shi)(shi)(shi)否(fou)(fou)失圓、刃口(kou)(kou)(kou)有(you)無缺損(sun)(sun)、管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)端(duan)(duan)(duan)是(shi)(shi)(shi)否(fou)(fou)完好(hao)以及(ji)(ji)卡(ka)(ka)(ka)(ka)(ka)套(tao)(tao)(tao)(tao)螺(luo)(luo)(luo)(luo)(luo)母(mu)(mu)的(de)(de)(de)(de)(de)(de)(de)壓(ya)緊程度(du)等(deng)(deng)(deng)(deng)，同(tong)時(shi)還(huan)要(yao)消(xiao)除(chu)(chu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道外力。對(dui)(dui)(dui)于(yu)擴(kuo)口(kou)(kou)(kou)式(shi)(shi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)接(jie)(jie)(jie)頭(tou)(tou)，大(da)(da)(da)多因(yin)擴(kuo)口(kou)(kou)(kou)過度(du)，質量(liang)不(bu)(bu)(bu)合要(yao)求(qiu)或(huo)(huo)(huo)(huo)多次拆卸(xie)，致使(shi)(shi)擴(kuo)口(kou)(kou)(kou)變形(xing)(xing)(xing)(xing)或(huo)(huo)(huo)(huo)裂紋等(deng)(deng)(deng)(deng)造(zao)成(cheng)泄(xie)(xie)漏(lou)(lou)(lou)(lou)，此(ci)時(shi)可(ke)(ke)(ke)將(jiang)前(qian)端(duan)(duan)(duan)截去(qu)重新進(jin)(jin)行(xing)(xing)(xing)擴(kuo)口(kou)(kou)(kou)。如果(guo)(guo)使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)公(gong)母(mu)(mu)錐(zhui)頂壓(ya)進(jin)(jin)行(xing)(xing)(xing)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)，其泄(xie)(xie)漏(lou)(lou)(lou)(lou)大(da)(da)(da)多是(shi)(shi)(shi)由于(yu)兩錐(zhui)面(mian)(mian)有(you)損(sun)(sun)傷(shang)，可(ke)(ke)(ke)用(yong)(yong)(yong)(yong)(yong)(yong)研磨砂(sha)對(dui)(dui)(dui)錐(zhui)面(mian)(mian)進(jin)(jin)行(xing)(xing)(xing)研磨。 在(zai)(zai)(zai)一些用(yong)(yong)(yong)(yong)(yong)(yong)“о”形(xing)(xing)(xing)(xing)圈(quan)靠端(duan)(duan)(duan)面(mian)(mian)或(huo)(huo)(huo)(huo)外徑密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)的(de)(de)(de)(de)(de)(de)(de)場合，其泄(xie)(xie)漏(lou)(lou)(lou)(lou)原因(yin)有(you)以下幾種：“о”形(xing)(xing)(xing)(xing)圈(quan)老化或(huo)(huo)(huo)(huo)變形(xing)(xing)(xing)(xing)而造(zao)成(cheng)泄(xie)(xie)漏(lou)(lou)(lou)(lou)；“о”形(xing)(xing)(xing)(xing)圈(quan)裝(zhuang)(zhuang)(zhuang)配(pei)不(bu)(bu)(bu)到(dao)位(wei)，使(shi)(shi)兩平面(mian)(mian)連(lian)(lian)接(jie)(jie)(jie)時(shi)壓(ya)不(bu)(bu)(bu)平或(huo)(huo)(huo)(huo)“о”形(xing)(xing)(xing)(xing)圈(quan)被切(qie)割造(zao)成(cheng)泄(xie)(xie)漏(lou)(lou)(lou)(lou)；“о”形(xing)(xing)(xing)(xing)圈(quan)未壓(ya)實(shi)，彈性(xing)(xing)變形(xing)(xing)(xing)(xing)量(liang)不(bu)(bu)(bu)足(zu)而造(zao)成(cheng)泄(xie)(xie)漏(lou)(lou)(lou)(lou)；“о”形(xing)(xing)(xing)(xing)圈(quan)止(zhi)口(kou)(kou)(kou)槽過深(shen)而造(zao)成(cheng)泄(xie)(xie)漏(lou)(lou)(lou)(lou)。對(dui)(dui)(dui)此(ci)，需(xu)重新選擇(ze)外徑相同(tong)和截面(mian)(mian)較粗(cu)的(de)(de)(de)(de)(de)(de)(de)“о”形(xing)(xing)(xing)(xing)圈(quan)，也(ye)可(ke)(ke)(ke)將(jiang)帶有(you)止(zhi)口(kou)(kou)(kou)槽的(de)(de)(de)(de)(de)(de)(de)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)平面(mian)(mian)進(jin)(jin)行(xing)(xing)(xing)切(qie)削或(huo)(huo)(huo)(huo)磨削加工(gong)(gong)，以減小止(zhi)口(kou)(kou)(kou)槽深(shen)度(du)，使(shi)(shi)“о”形(xing)(xing)(xing)(xing)圈(quan)有(you)足(zu)夠(gou)的(de)(de)(de)(de)(de)(de)(de)彈性(xing)(xing)變形(xing)(xing)(xing)(xing)量(liang)（壓(ya)縮量(liang)一般應(ying)(ying)(ying)在(zai)(zai)(zai)0.35-0.65mm之間）。

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