硬質合金加工閥芯流程與技術要求
閥門是在流體體系中，用來操控流體的方向、壓力、流量的設備是使配管和設備內的介質（液體、氣體、粉末）流動或停止并能操控其流量的設備，閥門的應用范圍很廣所以對于閥門的硬質合金加工顯得尤為重要。
用于流體操控體系的閥門，從簡略的截止閥到極為雜亂的自控體系中所用的各種閥門，其品種和規范相當繁多，所以說法也不完全一致，有的按其用處和效果分類（截斷閥類，調節閥類，止回閥類，分流閥類，安全閥類），有的按其閥體的資料分類（非金屬資料閥門，金屬資料閥門，金屬閥體襯里閥門），不過目前世界、國內常用的分類辦法是既按原理、效果又按結構劃分的辦法，一般分閘閥、截止閥、節流閥、外表閥、柱塞閥、隔膜閥、旋塞閥、球閥、蝶閥、止回閥、減壓閥安全閥、疏水閥、調節閥、底閥、過濾器、排污閥等，硬質合金加工。
無論是(shi)哪種(zhong)閥(fa)門包括以上(shang)三種(zhong)閥(fa)門，如果閥(fa)體等(deng)零部(bu)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)是(shi)外(wai)(wai)購鑄(zhu)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)或鍛件(jian)(jian)(jian)(jian)(jian)(jian)(jian)，進(jin)(jin)廠之(zhi)前都要進(jin)(jin)行嚴厲的(de)(de)查驗，通過(guo)查驗合(he)格的(de)(de)鑄(zhu)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)在(zai)進(jin)(jin)入車(che)(che)(che)間(jian)(jian)之(zhi)前會(hui)再次進(jin)(jin)行補焊(han)(han)，意圖是(shi)對(dui)鑄(zhu)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)上(shang)的(de)(de)某一(yi)些(xie)缺點進(jin)(jin)行修補。修補后的(de)(de)鑄(zhu)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)進(jin)(jin)入車(che)(che)(che)間(jian)(jian)，閥(fa)體，閥(fa)蓋或密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)等(deng)鑄(zhu)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)分別在(zai)特定的(de)(de)機床上(shang)進(jin)(jin)行加(jia)(jia)工(gong)(gong)(gong)。其間(jian)(jian)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)鑄(zhu)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)根據密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)方(fang)(fang)(fang)式(shi)分為(wei)硬密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)和軟密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)的(de)(de)加(jia)(jia)工(gong)(gong)(gong)，硬密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)是(shi)指密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)副的(de)(de)兩邊均(jun)是(shi)金(jin)屬(shu)資(zi)料或較硬的(de)(de)其它(ta)資(zi)料。這(zhe)種(zhong)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)的(de)(de)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)功(gong)能較差(cha)(cha),但耐高(gao)(gao)溫,抗(kang)磨(mo)損,機械(xie)功(gong)能好；軟密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)是(shi)指密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)副的(de)(de)兩邊一(yi)側是(shi)金(jin)屬(shu)資(zi)料,另一(yi)側是(shi)有彈性的(de)(de)非金(jin)屬(shu)資(zi)料。這(zhe)種(zhong)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)的(de)(de)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)功(gong)能較好,但不耐高(gao)(gao)溫,易磨(mo)損,機械(xie)性較差(cha)(cha)。硬密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)方(fang)(fang)(fang)式(shi)的(de)(de)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)鑄(zhu)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)，和其他鑄(zhu)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)一(yi)樣，車(che)(che)(che)削(xue)加(jia)(jia)工(gong)(gong)(gong)之(zhi)后直(zhi)接進(jin)(jin)行鉆銑(xian)刨(bao)插(cha)加(jia)(jia)工(gong)(gong)(gong)，去毛刺打(da)磨(mo)，然后就可以清(qing)洗(xi)吹(chui)干(gan)，進(jin)(jin)行防銹(xiu)處理(li)后入庫等(deng)候(hou)拼(pin)裝。軟密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)方(fang)(fang)(fang)式(shi)的(de)(de)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)鑄(zhu)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)在(zai)車(che)(che)(che)削(xue)加(jia)(jia)工(gong)(gong)(gong)之(zhi)后，還必須通過(guo)堆焊(han)(han)、精加(jia)(jia)工(gong)(gong)(gong)、鉆銑(xian)刨(bao)插(cha)加(jia)(jia)工(gong)(gong)(gong)、去毛刺打(da)磨(mo)和密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)面研磨(mo)之(zhi)后，才干(gan)清(qing)洗(xi)吹(chui)干(gan)防銹(xiu)然后入庫等(deng)候(hou)拼(pin)裝。軟密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)方(fang)(fang)(fang)式(shi)的(de)(de)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)必須通過(guo)堆焊(han)(han)的(de)(de)原因是(shi)為(wei)了使密(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)外(wai)(wai)表取得(de)耐磨(mo)，耐熱或耐蝕(shi)的(de)(de)特殊(shu)功(gong)能，添加(jia)(jia)外(wai)(wai)表硬度和耐磨(mo)性，提高(gao)(gao)壽命(ming)運用。
keyword：硬質合金,閥芯
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