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(wu)論是(shi)(shi)哪種閥(fa)門包括以上(shang)(shang)三種閥(fa)門，如果閥(fa)體等零(ling)部件(jian)(jian)(jian)是(shi)(shi)外購鑄件(jian)(jian)(jian)或(huo)鍛件(jian)(jian)(jian)，進廠之(zhi)(zhi)前都要進行(xing)嚴厲的(de)(de)(de)查(cha)驗，通(tong)過查(cha)驗合格的(de)(de)(de)鑄件(jian)(jian)(jian)在進入(ru)車(che)間(jian)之(zhi)(zhi)前會(hui)再次進行(xing)補焊(han)，意圖是(shi)(shi)對鑄件(jian)(jian)(jian)上(shang)(shang)的(de)(de)(de)某一(yi)(yi)些缺(que)點進行(xing)修補。修補后(hou)(hou)的(de)(de)(de)鑄件(jian)(jian)(jian)進入(ru)車(che)間(jian)，閥(fa)體，閥(fa)蓋(gai)或(huo)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)等鑄件(jian)(jian)(jian)分(fen)別(bie)在特定(ding)的(de)(de)(de)機(ji)床上(shang)(shang)進行(xing)加(jia)(jia)(jia)工(gong)(gong)。其間(jian)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)鑄件(jian)(jian)(jian)根據(ju)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)方式分(fen)為硬(ying)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)和(he)軟(ruan)(ruan)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)的(de)(de)(de)加(jia)(jia)(jia)工(gong)(gong)，硬(ying)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)是(shi)(shi)指密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)副(fu)的(de)(de)(de)兩(liang)(liang)邊(bian)均是(shi)(shi)金(jin)屬資料(liao)或(huo)較(jiao)硬(ying)的(de)(de)(de)其它資料(liao)。這種密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)的(de)(de)(de)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)功(gong)能較(jiao)差,但耐(nai)高溫,抗磨(mo)(mo)損,機(ji)械功(gong)能好(hao)；軟(ruan)(ruan)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)是(shi)(shi)指密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)副(fu)的(de)(de)(de)兩(liang)(liang)邊(bian)一(yi)(yi)側(ce)(ce)是(shi)(shi)金(jin)屬資料(liao),另一(yi)(yi)側(ce)(ce)是(shi)(shi)有彈性(xing)的(de)(de)(de)非金(jin)屬資料(liao)。這種密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)的(de)(de)(de)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)功(gong)能較(jiao)好(hao),但不耐(nai)高溫,易磨(mo)(mo)損,機(ji)械性(xing)較(jiao)差。硬(ying)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)方式的(de)(de)(de)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)鑄件(jian)(jian)(jian)，和(he)其他鑄件(jian)(jian)(jian)一(yi)(yi)樣，車(che)削加(jia)(jia)(jia)工(gong)(gong)之(zhi)(zhi)后(hou)(hou)直接(jie)進行(xing)鉆銑刨插(cha)(cha)加(jia)(jia)(jia)工(gong)(gong)，去毛刺打磨(mo)(mo)，然后(hou)(hou)就可以清(qing)洗(xi)吹干，進行(xing)防銹處理后(hou)(hou)入(ru)庫等候拼(pin)裝(zhuang)。軟(ruan)(ruan)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)方式的(de)(de)(de)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)鑄件(jian)(jian)(jian)在車(che)削加(jia)(jia)(jia)工(gong)(gong)之(zhi)(zhi)后(hou)(hou)，還(huan)必須通(tong)過堆(dui)焊(han)、精加(jia)(jia)(jia)工(gong)(gong)、鉆銑刨插(cha)(cha)加(jia)(jia)(jia)工(gong)(gong)、去毛刺打磨(mo)(mo)和(he)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)面研磨(mo)(mo)之(zhi)(zhi)后(hou)(hou)，才干清(qing)洗(xi)吹干防銹然后(hou)(hou)入(ru)庫等候拼(pin)裝(zhuang)。軟(ruan)(ruan)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)方式的(de)(de)(de)密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)必須通(tong)過堆(dui)焊(han)的(de)(de)(de)原因是(shi)(shi)為了(le)使密(mi)(mi)(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)外表取得耐(nai)磨(mo)(mo)，耐(nai)熱(re)或(huo)耐(nai)蝕(shi)的(de)(de)(de)特殊功(gong)能，添(tian)加(jia)(jia)(jia)外表硬(ying)度和(he)耐(nai)磨(mo)(mo)性(xing)，提高壽命(ming)運用(yong)。
keyword：硬質合金,閥芯
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