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高壓膠管的制作流程

發布時間:2021-11-18 11:42:19      點擊次數:783

用混煉機(ji)(ji)按配方(fang)混煉出內層(ceng)(ceng)膠(jiao)(jiao)、中(zhong)層(ceng)(ceng)膠(jiao)(jiao)和外層(ceng)(ceng)膠(jiao)(jiao);用擠出機(ji)(ji)擠出內層(ceng)(ceng)膠(jiao)(jiao)管(guan),包(bao)(bao)覆在(zai)涂了(le)脫模劑的軟芯(xin)或(huo)(huo)硬芯(xin)上(shang)(液氮冷(leng)凍(dong)法也可(ke)不用管(guan)芯(xin));壓(ya)延機(ji)(ji)壓(ya)成(cheng)中(zhong)層(ceng)(ceng)膠(jiao)(jiao)薄(bo)片(pian)(pian),加隔(ge)離劑收卷并按工藝要求裁成(cheng)規定寬(kuan)度;將含管(guan)芯(xin)內層(ceng)(ceng)膠(jiao)(jiao)管(guan)在(zai)纏繞(rao)(rao)機(ji)(ji)或(huo)(huo)編織(zhi)機(ji)(ji)上(shang)纏繞(rao)(rao)上(shang)鍍(du)銅(tong)(tong)(tong)鋼絲(si)或(huo)(huo)鍍(du)銅(tong)(tong)(tong)鋼絲(si)繩,同時在(zai)纏繞(rao)(rao)機(ji)(ji)或(huo)(huo)編織(zhi)機(ji)(ji)將中(zhong)層(ceng)(ceng)膠(jiao)(jiao)薄(bo)片(pian)(pian)同步纏繞(rao)(rao)在(zai)每兩層(ceng)(ceng)鍍(du)銅(tong)(tong)(tong)鋼絲(si)或(huo)(huo)鍍(du)銅(tong)(tong)(tong)鋼絲(si)繩間,纏繞(rao)(rao)鋼絲(si)起(qi)頭和結尾處(chu)綁扎(有些早期纏繞(rao)(rao)機(ji)(ji)需(xu)預(yu)先(xian)將鍍(du)銅(tong)(tong)(tong)鋼絲(si)進行預(yu)應力定型(xing)處(chu)理);再次在(zai)擠出機(ji)(ji)上(shang)包(bao)(bao)覆上(shang)外層(ceng)(ceng)膠(jiao)(jiao),然后再包(bao)(bao)纏鉛或(huo)(huo)布硫化保護(hu)(hu)層(ceng)(ceng);通過(guo)硫化罐或(huo)(huo)鹽浴硫化;后拆去硫化保護(hu)(hu)層(ceng)(ceng),抽出管(guan)芯(xin),扣壓(ya)上(shang)管(guan)接頭,抽樣(yang)檢驗。

  總(zong)之,制造膠(jiao)(jiao)管使用設備多、原(yuan)料(liao)(liao)種類多,生產(chan)工(gong)藝復雜。但近年(nian)來以塑料(liao)(liao)或熱塑性彈性體為主要(yao)原(yuan)料(liao)(liao)的液壓油管生產(chan)工(gong)藝可適(shi)當(dang)簡化,但原(yuan)料(liao)(liao)價高,仍以橡膠(jiao)(jiao)原(yuan)料(liao)(liao)為主。對一些容(rong)易(yi)發生摩擦的部位(wei)應(ying)采取防護措施(shi),以防止膠(jiao)(jiao)管因磨(mo)損而爆裂。


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