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                                                     平底八(ba)字封(feng)頭(tou)(tou)，圓底八(ba)字封(feng)頭(tou)(tou)

     八字封(feng)(feng)(feng)(feng)(feng)(feng)頭(tou)(tou)也稱(cheng)爲元(yuan)寶彎(wan)(wan)頭(tou)(tou)。平底八字封(feng)(feng)(feng)(feng)(feng)(feng)頭(tou)(tou)，圓底八字封(feng)(feng)(feng)(feng)(feng)(feng)頭(tou)(tou)是(shi)鋼板(ban)沖(chong)壓(ya)(ya)模具(ju)沖(chong)壓(ya)(ya)成形(xing)(xing)(xing)(xing)(xing)(xing)彎(wan)(wan)頭(tou)(tou)。元(yuan)寶彎(wan)(wan)頭(tou)(tou)，沖(chong)壓(ya)(ya)彎(wan)(wan)頭(tou)(tou)加工(gong)是(shi)借助于(yu)(yu)慣例(li)或公(gong)用(yong)(yong)沖(chong)壓(ya)(ya)設備(bei)的(de)(de)動力，使板(ban)料(liao)在模具(ju)里間接遭到(dao)變形(xing)(xing)(xing)(xing)(xing)(xing)力并停(ting)止變形(xing)(xing)(xing)(xing)(xing)(xing)，從而取得一(yi)定外形(xing)(xing)(xing)(xing)(xing)(xing),尺寸(cun)和(he)功能的(de)(de)產品零件(jian)的(de)(de)生(sheng)產技術。板(ban)料(liao)，模具(ju)和(he)設備(bei)是(shi)沖(chong)壓(ya)(ya)加工(gong)的(de)(de)三要素。沖(chong)壓(ya)(ya)加工(gong)是(shi)一(yi)種金屬冷變形(xing)(xing)(xing)(xing)(xing)(xing)加工(gong)辦法。所以(yi)，被稱(cheng)之(zhi)爲冷沖(chong)壓(ya)(ya)或板(ban)料(liao)沖(chong)壓(ya)(ya)，簡(jian)稱(cheng)沖(chong)壓(ya)(ya)。它(ta)是(shi)金屬塑性(xing)加工(gong)（或壓(ya)(ya)力加工(gong)）的(de)(de)次要辦法之(zhi)一(yi)，也從屬于(yu)(yu)資料(liao)成型工(gong)程技術。八字封(feng)(feng)(feng)(feng)(feng)(feng)頭(tou)(tou)主要用(yong)(yong)于(yu)(yu)鋼鐵企業的(de)(de)高爐(lu)、電弧(hu)爐(lu)、精(jing)煉(lian)爐(lu)、轉爐(lu)、礦熱爐(lu)配套(tao)水冷設備(bei)、電爐(lu)水冷件(jian)、轉爐(lu)汽化(hua)冷卻煙道、精(jing)煉(lian)爐(lu)爐(lu)蓋(gai)。封(feng)(feng)(feng)(feng)(feng)(feng)頭(tou)(tou)是(shi)指(zhi)用(yong)(yong)以(yi)封(feng)(feng)(feng)(feng)(feng)(feng)閉容(rong)器端部使其內外介質隔離的(de)(de)元(yuan)件(jian)，又(you)稱(cheng)端蓋(gai)。圓筒(tong)形(xing)(xing)(xing)(xing)(xing)(xing)容(rong)器的(de)(de)封(feng)(feng)(feng)(feng)(feng)(feng)頭(tou)(tou)一(yi)般(ban)都是(shi)迥轉殼體。按封(feng)(feng)(feng)(feng)(feng)(feng)頭(tou)(tou)表面(mian)(mian)的(de)(de)形(xing)(xing)(xing)(xing)(xing)(xing)狀可分為凸形(xing)(xing)(xing)(xing)(xing)(xing)、錐(zhui)形(xing)(xing)(xing)(xing)(xing)(xing)、平板(ban)形(xing)(xing)(xing)(xing)(xing)(xing)和(he)組合形(xing)(xing)(xing)(xing)(xing)(xing)。凸形(xing)(xing)(xing)(xing)(xing)(xing)封(feng)(feng)(feng)(feng)(feng)(feng)頭(tou)(tou)是(shi)指(zhi)外表面(mian)(mian)形(xing)(xing)(xing)(xing)(xing)(xing)狀為凸面(mian)(mian)的(de)(de)封(feng)(feng)(feng)(feng)(feng)(feng)頭(tou)(tou)，如半球形(xing)(xing)(xing)(xing)(xing)(xing)、橢圓形(xing)(xing)(xing)(xing)(xing)(xing)、碟(die)形(xing)(xing)(xing)(xing)(xing)(xing)和(he)無折邊(bian)球形(xing)(xing)(xing)(xing)(xing)(xing)封(feng)(feng)(feng)(feng)(feng)(feng)頭(tou)(tou)等(deng)。有的(de)(de)氣瓶采用(yong)(yong)凸面(mian)(mian)向內的(de)(de)組合形(xing)(xing)(xing)(xing)(xing)(xing)底封(feng)(feng)(feng)(feng)(feng)(feng)頭(tou)(tou)，既可保證強(qiang)度，又(you)能滿足安全使用(yong)(yong)的(de)(de)需求。管(guan)(guan)(guan)帽cap 又(you)稱(cheng)封(feng)(feng)(feng)(feng)(feng)(feng)頭(tou)(tou)、堵頭(tou)(tou)、蓋(gai)頭(tou)(tou)、管(guan)(guan)(guan)子蓋(gai)、悶頭(tou)(tou)，焊接在管(guan)(guan)(guan)端或裝在管(guan)(guan)(guan)端外螺紋(wen)上(shang)以(yi)蓋(gai)堵管(guan)(guan)(guan)子的(de)(de)管(guan)(guan)(guan)件(jian)。用(yong)(yong)來封(feng)(feng)(feng)(feng)(feng)(feng)閉管(guan)(guan)(guan)路，作(zuo)用(yong)(yong)與管(guan)(guan)(guan)堵相同。

    專業(ye)封(feng)(feng)(feng)頭(tou)(tou)管帽(mao)工(gong)廠擁(yong)有(you)旋(xuan)壓和3500T模壓鍛造(zao)多(duo)條生產(chan)線，并配有(you)先(xian)進的(de)檢測(ce)設備(bei)、X射(she)線探傷、磁粉(fen)、光譜、測(ce)厚儀、等(deng)(deng)專業(ye)的(de)檢測(ce)設備(bei)、封(feng)(feng)(feng)頭(tou)(tou)系(xi)列；可(ke)生產(chan)18-5000口徑的(de)各(ge)種材質的(de)、橢(tuo)圓封(feng)(feng)(feng)頭(tou)(tou)、球型封(feng)(feng)(feng)頭(tou)(tou)、蝶形封(feng)(feng)(feng)頭(tou)(tou)、平底封(feng)(feng)(feng)頭(tou)(tou)、錐形封(feng)(feng)(feng)頭(tou)(tou)、無邊(bian)封(feng)(feng)(feng)頭(tou)(tou)、八字封(feng)(feng)(feng)頭(tou)(tou)（平底和圓底）、孔(kong)蓋、爐殼等(deng)(deng)。管帽(mao)系(xi)列可(ke)消(xiao)費；國標(biao)(biao)管帽(mao)、美標(biao)(biao)、德標(biao)(biao)、日標(biao)(biao)管帽(mao)。并可(ke)依(yi)據(ju)客戶要求定做各(ge)種非標(biao)(biao)封(feng)(feng)(feng)頭(tou)(tou)管帽(mao)。