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)(shi)哪種閥門包括以(yi)上(shang)(shang)三種閥門，如果(guo)閥體等(deng)零部件(jian)(jian)(jian)(jian)(jian)(jian)(jian)是(shi)(shi)外購鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)或鍛件(jian)(jian)(jian)(jian)(jian)(jian)(jian)，進(jin)(jin)(jin)(jin)廠之(zhi)前都要(yao)進(jin)(jin)(jin)(jin)行嚴厲的查驗，通過(guo)查驗合格的鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)在(zai)進(jin)(jin)(jin)(jin)入車(che)間(jian)之(zhi)前會再次進(jin)(jin)(jin)(jin)行補(bu)焊(han)，意圖是(shi)(shi)對鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)上(shang)(shang)的某(mou)一些缺點進(jin)(jin)(jin)(jin)行修(xiu)補(bu)。修(xiu)補(bu)后(hou)的鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)進(jin)(jin)(jin)(jin)入車(che)間(jian)，閥體，閥蓋或密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)等(deng)鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)分別在(zai)特定的機(ji)床上(shang)(shang)進(jin)(jin)(jin)(jin)行加(jia)(jia)工(gong)。其(qi)間(jian)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)根據密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)方(fang)(fang)式(shi)分為硬(ying)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)和(he)軟密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)的加(jia)(jia)工(gong)，硬(ying)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)是(shi)(shi)指密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)副(fu)的兩(liang)邊(bian)均(jun)是(shi)(shi)金(jin)屬資(zi)料(liao)或較(jiao)硬(ying)的其(qi)它(ta)資(zi)料(liao)。這(zhe)種密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)的密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)功能較(jiao)差(cha),但耐(nai)高(gao)溫,抗(kang)磨(mo)(mo)(mo)損,機(ji)械功能好(hao)；軟密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)是(shi)(shi)指密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)副(fu)的兩(liang)邊(bian)一側是(shi)(shi)金(jin)屬資(zi)料(liao),另一側是(shi)(shi)有彈性(xing)(xing)的非(fei)金(jin)屬資(zi)料(liao)。這(zhe)種密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)的密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)功能較(jiao)好(hao),但不耐(nai)高(gao)溫,易磨(mo)(mo)(mo)損,機(ji)械性(xing)(xing)較(jiao)差(cha)。硬(ying)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)方(fang)(fang)式(shi)的密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)，和(he)其(qi)他(ta)鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)一樣，車(che)削加(jia)(jia)工(gong)之(zhi)后(hou)直(zhi)接進(jin)(jin)(jin)(jin)行鉆銑刨插加(jia)(jia)工(gong)，去毛(mao)刺(ci)打磨(mo)(mo)(mo)，然(ran)后(hou)就可以(yi)清洗吹干，進(jin)(jin)(jin)(jin)行防銹(xiu)處理后(hou)入庫等(deng)候拼(pin)裝(zhuang)。軟密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)方(fang)(fang)式(shi)的密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)鑄(zhu)(zhu)(zhu)(zhu)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)在(zai)車(che)削加(jia)(jia)工(gong)之(zhi)后(hou)，還(huan)必(bi)須(xu)通過(guo)堆焊(han)、精(jing)加(jia)(jia)工(gong)、鉆銑刨插加(jia)(jia)工(gong)、去毛(mao)刺(ci)打磨(mo)(mo)(mo)和(he)密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)面研磨(mo)(mo)(mo)之(zhi)后(hou)，才干清洗吹干防銹(xiu)然(ran)后(hou)入庫等(deng)候拼(pin)裝(zhuang)。軟密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)方(fang)(fang)式(shi)的密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)必(bi)須(xu)通過(guo)堆焊(han)的原因是(shi)(shi)為了使密(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)外表取得耐(nai)磨(mo)(mo)(mo)，耐(nai)熱或耐(nai)蝕的特殊功能，添加(jia)(jia)外表硬(ying)度(du)和(he)耐(nai)磨(mo)(mo)(mo)性(xing)(xing)，提高(gao)壽命運用(yong)。
keyword：硬質(zhi)合金(jin),閥芯
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