封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)是(shi)鍋(guo)爐、壓力容(rong)(rong)(rong)器的(de)(de)主要(yao)受(shou)壓元件，不(bu)銹鋼反應(ying)釜封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)標準，其(qi)結構及(ji)形(xing)(xing)(xing)狀設計是(shi)否合理，影(ying)響著鍋(guo)爐、壓力容(rong)(rong)(rong)器的(de)(de)安全。所以(yi)有(you)關規范中(zhong)對各(ge)種(zhong)封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)的(de)(de)形(xing)(xing)(xing)狀都(dou)有(you)限制。（1）橢(tuo)(tuo)(tuo)球(qiu)(qiu)(qiu)(qiu)(qiu)形(xing)(xing)(xing)封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)鍋(guo)爐、壓力容(rong)(rong)(rong)器的(de)(de)凸形(xing)(xing)(xing)封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)宜采(cai)用(yong)橢(tuo)(tuo)(tuo)球(qiu)(qiu)(qiu)(qiu)(qiu)形(xing)(xing)(xing)封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)，蕞好選用(yong)標準橢(tuo)(tuo)(tuo)球(qiu)(qiu)(qiu)(qiu)(qiu)形(xing)(xing)(xing)（Ｄn／ｈn＝４）。采(cai)用(yong)非標準橢(tuo)(tuo)(tuo)球(qiu)(qiu)(qiu)(qiu)(qiu)封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)時(shi)，其(qi)長短(duan)軸的(de)(de)比值(zhi)不(bu)得大于。（2）碟形(xing)(xing)(xing)封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)碟形(xing)(xing)(xing)封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)即是(shi)有(you)折(zhe)(zhe)邊的(de)(de)球(qiu)(qiu)(qiu)(qiu)(qiu)形(xing)(xing)(xing)封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)。它存在較(jiao)(jiao)大的(de)(de)彎曲應(ying)力，而橢(tuo)(tuo)(tuo)球(qiu)(qiu)(qiu)(qiu)(qiu)形(xing)(xing)(xing)封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)主要(yao)是(shi)膜應(ying)力，因(yin)而在工程使用(yong)中(zhong)并不(bu)理想。采(cai)用(yong)碟形(xing)(xing)(xing)封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)時(shi)，封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)過渡區轉角(jiao)半徑(jing)應(ying)不(bu)小于封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)內(nei)(nei)直(zhi)(zhi)徑(jing)的(de)(de)10％，且不(bu)小于封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)厚(hou)度的(de)(de)3倍，封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)球(qiu)(qiu)(qiu)(qiu)(qiu)面(mian)部分(fen)的(de)(de)內(nei)(nei)半徑(jing)應(ying)不(bu)大于封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)的(de)(de)內(nei)(nei)直(zhi)(zhi)徑(jing)。（3）無(wu)折(zhe)(zhe)邊球(qiu)(qiu)(qiu)(qiu)(qiu)形(xing)(xing)(xing)封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)無(wu)折(zhe)(zhe)邊球(qiu)(qiu)(qiu)(qiu)(qiu)形(xing)(xing)(xing)封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)與(yu)筒(tong)體的(de)(de)連(lian)接(jie)處存在明顯(xian)的(de)(de)形(xing)(xing)(xing)狀突變，會產生較(jiao)(jiao)大的(de)(de)附加彎曲應(ying)力，因(yin)此只應(ying)用(yong)于直(zhi)(zhi)徑(jing)較(jiao)(jiao)小、壓力較(jiao)(jiao)低的(de)(de)容(rong)(rong)(rong)器。采(cai)用(yong)無(wu)折(zhe)(zhe)邊球(qiu)(qiu)(qiu)(qiu)(qiu)形(xing)(xing)(xing)封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)時(shi)，封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)的(de)(de)球(qiu)(qiu)(qiu)(qiu)(qiu)面(mian)內(nei)(nei)半徑(jing)不(bu)應(ying)大于筒(tong)體內(nei)(nei)直(zhi)(zhi)徑(jing)。溫(wen)州浩邦金屬制品(pin)有(you)限公司是(shi)一家專業提供橢(tuo)(tuo)(tuo)圓封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)設備的(de)(de)公司，歡迎(ying)新老客戶(hu)來電！北京(jing)氣(qi)罐橢(tuo)(tuo)(tuo)圓封(feng)(feng)頭(tou)(tou)(tou)(tou)(tou)

封頭的(de)(de)(de)旋(xuan)(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)(ya)成(cheng)(cheng)(cheng)(cheng)型(xing)使(shi)毛(mao)坯旋(xuan)(xuan)(xuan)(xuan)(xuan)轉的(de)(de)(de)同時(shi)，用(yong)(yong)(yong)(yong)簡(jian)單(dan)(dan)(dan)的(de)(de)(de)工(gong)具使(shi)毛(mao)坯逐(zhu)漸變(bian)形(xing)(xing)(xing)，成(cheng)(cheng)(cheng)(cheng)為所需零件形(xing)(xing)(xing)狀(zhuang)。(1)旋(xuan)(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)(ya)成(cheng)(cheng)(cheng)(cheng)型(xing)的(de)(de)(de)特點1.工(gong)具簡(jian)單(dan)(dan)(dan)，工(gong)藝裝(zhuang)備(bei)更(geng)換時(shi)間短(duan)2.金(jin)屬的(de)(de)(de)變(bian)形(xing)(xing)(xing)速度小，不(bu)易(yi)減薄和(he)褶皺(zhou)3.自動化程(cheng)度高(gao)，易(yi)操作(zuo)。(2)旋(xuan)(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)(ya)成(cheng)(cheng)(cheng)(cheng)型(xing)的(de)(de)(de)方法常(chang)用(yong)(yong)(yong)(yong)的(de)(de)(de)單(dan)(dan)(dan)機(ji)旋(xuan)(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)(ya)法(一(yi)(yi)步成(cheng)(cheng)(cheng)(cheng)形(xing)(xing)(xing)法)和(he)聯(lian)機(ji)旋(xuan)(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)(ya)法(兩步成(cheng)(cheng)(cheng)(cheng)形(xing)(xing)(xing)法)a.單(dan)(dan)(dan)機(ji)旋(xuan)(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)(ya)法將壓(ya)(ya)(ya)(ya)(ya)鼓與(yu)翻邊(bian)(bian)(bian)在一(yi)(yi)臺(tai)旋(xuan)(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)(ya)機(ji)上一(yi)(yi)次完(wan)成(cheng)(cheng)(cheng)(cheng)1.有(you)模旋(xuan)(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)(ya)法有(you)一(yi)(yi)個與(yu)封頭內(nei)(nei)壁形(xing)(xing)(xing)狀(zhuang)相同的(de)(de)(de)模具，封頭毛(mao)坯被(bei)輾軋在模具上成(cheng)(cheng)(cheng)(cheng)型(xing)。旋(xuan)(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)(ya)機(ji)具有(you)旋(xuan)(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)(ya)、邊(bian)(bian)(bian)緣(yuan)加工(gong)等用(yong)(yong)(yong)(yong)途(tu)。2.無模旋(xuan)(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)(ya)法除用(yong)(yong)(yong)(yong)于夾(jia)緊毛(mao)坯的(de)(de)(de)模具外，不(bu)需要其他成(cheng)(cheng)(cheng)(cheng)型(xing)模具，封頭的(de)(de)(de)旋(xuan)(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)(ya)全靠(kao)外旋(xuan)(xuan)(xuan)(xuan)(xuan)輥與(yu)內(nei)(nei)旋(xuan)(xuan)(xuan)(xuan)(xuan)輥配合完(wan)成(cheng)(cheng)(cheng)(cheng)。3.沖聯(lian)合法在一(yi)(yi)臺(tai)機(ji)器上先沖壓(ya)(ya)(ya)(ya)(ya)成(cheng)(cheng)(cheng)(cheng)碟(die)形(xing)(xing)(xing)，再(zai)用(yong)(yong)(yong)(yong)旋(xuan)(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)(ya)來翻邊(bian)(bian)(bian)成(cheng)(cheng)(cheng)(cheng)型(xing)，壓(ya)(ya)(ya)(ya)(ya)鼓機(ji)與(yu)翻邊(bian)(bian)(bian)機(ji)先后對毛(mao)坯進行旋(xuan)(xuan)(xuan)(xuan)(xuan)壓(ya)(ya)(ya)(ya)(ya)成(cheng)(cheng)(cheng)(cheng)型(xing)焊接橢圓封頭廠家橢圓封頭設備(bei)，就選溫州浩邦金(jin)屬制品有(you)限(xian)公(gong)司，用(yong)(yong)(yong)(yong)戶的(de)(de)(de)信賴(lai)之選，有(you)需要可以(yi)聯(lian)系我司哦！

不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)封頭(tou)(tou)(tou)是一(yi)種用(yong)于(yu)堵漏(lou)不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)管道的(de)(de)商品(pin)(pin)。是管路到頭(tou)(tou)(tou)了(le)以后或在(zai)(zai)(zai)(zai)一(yi)段圓(yuan)管的(de)(de)兩邊焊上(shang)2個封頭(tou)(tou)(tou)做器(qi)皿用(yong)的(de)(de)一(yi)種商品(pin)(pin)。與這類一(yi)樣產品(pin)(pin)有盲板、管帽、堵一(yi)等(deng)。不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)封頭(tou)(tou)(tou)應(ying)(ying)(ying)用(yong)領域(yu)：原油、電子、采暖、化(hua)工(gong)、藥業、廢水處理、輕紡、食品(pin)(pin)、機械、建筑、核(he)電、航天航空、壓(ya)(ya)力(li)容器(qi)、其(qi)它等(deng)領域(yu)。不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)封頭(tou)(tou)(tou)使用(yong)的(de)(de)注意點1、測(ce)量封頭(tou)(tou)(tou)的(de)(de)外(wai)周長(chang)。若(ruo)事(shi)先開展(zhan)筒(tong)體(ti)加工(gong)，請向(xiang)生產工(gong)廠詢問(wen)預訂封頭(tou)(tou)(tou)外(wai)周長(chang)的(de)(de)尺(chi)寸；2、請將(jiang)封頭(tou)(tou)(tou)外(wai)周長(chang)4等(deng)分，并在(zai)(zai)(zai)(zai)筒(tong)體(ti)和(he)封頭(tou)(tou)(tou)上(shang)搞好標(biao)識；3、將(jiang)封頭(tou)(tou)(tou)和(he)筒(tong)體(ti)開展(zhan)定位焊接(jie)，定位焊接(jie)的(de)(de)定位點請客戶依(yi)據直徑(jing)和(he)厚(hou)度自(zi)選；4、定位點定位焊結束后，開展(zhan)焊接(jie)。不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)封頭(tou)(tou)(tou)組(zu)(zu)織(zhi)(zhi)應(ying)(ying)(ying)力(li)的(de)(de)大小(xiao)與工(gong)件在(zai)(zai)(zai)(zai)馬氏體(ti)相變區的(de)(de)冷(leng)卻速(su)度,形狀，材料的(de)(de)化(hua)學成分等(deng)因素有關。不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)封頭(tou)(tou)(tou)組(zu)(zu)織(zhi)(zhi)應(ying)(ying)(ying)力(li)變化(hua)的(de)(de)得到的(de)(de)結果是表(biao)層受拉應(ying)(ying)(ying)力(li),心部(bu)受壓(ya)(ya)應(ying)(ying)(ying)力(li),恰好與熱(re)(re)(re)應(ying)(ying)(ying)力(li)相反(fan)。實踐(jian)證(zheng)明,任何工(gong)件在(zai)(zai)(zai)(zai)熱(re)(re)(re)處理過(guo)程中(zhong)(zhong),只(zhi)要有相變,熱(re)(re)(re)應(ying)(ying)(ying)力(li)和(he)組(zu)(zu)織(zhi)(zhi)應(ying)(ying)(ying)力(li)都(dou)會發生。只(zhi)不(bu)(bu)(bu)過(guo)熱(re)(re)(re)應(ying)(ying)(ying)力(li)在(zai)(zai)(zai)(zai)組(zu)(zu)織(zhi)(zhi)轉變以前(qian)就(jiu)(jiu)已經產生了(le)不(bu)(bu)(bu)銹(xiu)(xiu)鋼(gang)(gang)(gang)封頭(tou)(tou)(tou)，而(er)組(zu)(zu)織(zhi)(zhi)應(ying)(ying)(ying)力(li)則是在(zai)(zai)(zai)(zai)組(zu)(zu)織(zhi)(zhi)轉變過(guo)程中(zhong)(zhong)產生的(de)(de),在(zai)(zai)(zai)(zai)整個冷(leng)卻過(guo)程中(zhong)(zhong),熱(re)(re)(re)應(ying)(ying)(ying)力(li)與組(zu)(zu)織(zhi)(zhi)應(ying)(ying)(ying)力(li)綜合作用(yong)的(de)(de)結果,就(jiu)(jiu)是工(gong)件中(zhong)(zhong)實際存(cun)在(zai)(zai)(zai)(zai)的(de)(de)應(ying)(ying)(ying)力(li)。

以(yi)橢(tuo)圓(yuan)形(xing)(xing)封(feng)(feng)(feng)頭(tou)為(wei)(wei)例(li)(li)分(fen)析(xi),GB/T25198--2010《壓(ya)力(li)容(rong)器封(feng)(feng)(feng)頭(tou)》附(fu)錄，封(feng)(feng)(feng)頭(tou)成(cheng)形(xing)(xing)厚(hou)(hou)(hou)度減薄率可能比(bi)圖1所(suo)示(shi)更大(da)(da)(da),但圖1所(suo)反映的(de)(de)(de)(de)規律得到生(sheng)產實(shi)踐證明是正確的(de)(de)(de)(de),以(yi)此(ci)為(wei)(wei)根(gen)據進(jin)行(xing)分(fen)析(xi)。以(yi)一個橢(tuo)圓(yuan)形(xing)(xing)封(feng)(feng)(feng)頭(tou)為(wei)(wei)例(li)(li),其(qi)圖紙規格為(wei)(wei):DN2000mmx25mm,投(tou)料厚(hou)(hou)(hou)度為(wei)(wei)28mm。橢(tuo)圓(yuan)形(xing)(xing)封(feng)(feng)(feng)頭(tou)大(da)(da)(da)致(zhi)分(fen)為(wei)(wei)3個區(qu)域:封(feng)(feng)(feng)頭(tou)的(de)(de)(de)(de)頂(ding)部(bu)較小減薄區(qu)、過(guo)渡區(qu)小口(kou)較大(da)(da)(da)減薄區(qu)、過(guo)渡區(qu)大(da)(da)(da)口(kou)及直邊段區(qu)。封(feng)(feng)(feng)頭(tou)的(de)(de)(de)(de)頂(ding)部(bu)較小減薄區(qu)域的(de)(de)(de)(de)實(shi)際(ji)壁(bi)厚(hou)(hou)(hou)≥≥≥。對(dui)GB/T713--2014《鍋爐(lu)和壓(ya)力(li)容(rong)器用鋼(gang)板》規定的(de)(de)(de)(de)厚(hou)(hou)(hou)度允許偏差為(wei)(wei)GB/T709--2006熱軋(ya)鋼(gang)板和鋼(gang)帶的(de)(de)(de)(de)尺寸、外形(xing)(xing)、重量及允許偏差》5中的(de)(de)(de)(de)B級。對(dui)于(yu)投(tou)料厚(hou)(hou)(hou)度28mm、成(cheng)形(xing)(xing)后的(de)(de)(de)(de)厚(hou)(hou)(hou)度為(wei)(wei)≤1500mm鋼(gang)板,則大(da)(da)(da)部(bu)分(fen)范(fan)圍(wei)的(de)(de)(de)(de)封(feng)(feng)(feng)頭(tou)實(shi)際(ji)厚(hou)(hou)(hou)度已超出(chu)25mm鋼(gang)板的(de)(de)(de)(de)上(shang)限厚(hou)(hou)(hou)度();若(ruo)采用公稱寬度>1500~2500mm鋼(gang)板,大(da)(da)(da)部(bu)分(fen)范(fan)圍(wei)的(de)(de)(de)(de)封(feng)(feng)(feng)頭(tou)實(shi)際(ji)厚(hou)(hou)(hou)度也超出(chu)25mm，鋼(gang)板的(de)(de)(de)(de)上(shang)限厚(hou)(hou)(hou)度()。因此(ci),對(dui)封(feng)(feng)(feng)頭(tou)而言,大(da)(da)(da)部(bu)分(fen)范(fan)圍(wei)的(de)(de)(de)(de)封(feng)(feng)(feng)頭(tou)實(shi)際(ji)厚(hou)(hou)(hou)度應該認為(wei)(wei)屬于(yu)>25mm欄。橢(tuo)圓(yuan)封(feng)(feng)(feng)頭(tou)設備，就選溫州浩邦金屬制品(pin)有限公司(si)，用戶的(de)(de)(de)(de)信賴之選，有想法可以(yi)來(lai)我司(si)咨詢！

封頭在(zai)沖壓時(shi)(shi)(shi)，有(you)冷沖和熱沖加(jia)工以后，微觀上滑(hua)移面(mian)及晶界上將產(chan)生(sheng)大量(liang)(liang)位(wei)錯，致使點(dian)陣(zhen)產(chan)生(sheng)畸(ji)變(bian)(bian)。畸(ji)變(bian)(bian)量(liang)(liang)越大時(shi)(shi)(shi)，位(wei)錯密(mi)度(du)(du)越高(gao)，內(nei)應(ying)力及點(dian)陣(zhen)畸(ji)變(bian)(bian)越嚴重，使金屬變(bian)(bian)形抗(kang)(kang)力和強度(du)(du)、硬(ying)(ying)度(du)(du)等隨變(bian)(bian)形程度(du)(du)而增(zeng)加(jia)，塑(su)(su)性指標伸長(chang)率、斷面(mian)收(shou)縮率降(jiang)低0當(dang)加(jia)工硬(ying)(ying)化達(da)一定程度(du)(du)時(shi)(shi)(shi)，如繼續(xu)形變(bian)(bian)，便有(you)開裂(lie)或(huo)脆斷的危險，成(cheng)形后其殘余應(ying)力極易(yi)引起工件(jian)自爆破裂(lie)。在(zai)環境氣氛作(zuo)用下，放置一段時(shi)(shi)(shi)間后，會自動(dong)產(chan)生(sheng)晶間開裂(lie)。厚度(du)(du)愈大，隨著(zhu)預形變(bian)(bian)量(liang)(liang)的增(zeng)加(jia)，不銹(xiu)鋼的屈服(fu)強度(du)(du)和抗(kang)(kang)拉強度(du)(du)增(zeng)明(ming)顯提(ti)高(gao)，硬(ying)(ying)度(du)(du)值增(zeng)加(jia)，耐(nai)塑(su)(su)性下降(jiang)，橢圓(yuan)(yuan)封頭產(chan)生(sheng)了明(ming)顯的加(jia)工硬(ying)(ying)化現(xian)(xian)象。表面(mian)部位(wei)相(xiang)間，有(you)的拉裂(lie)，就出現(xian)(xian)褶皺(zhou)。溫州浩(hao)邦金屬制品有(you)限公司為您(nin)提(ti)供橢圓(yuan)(yuan)封頭設(she)備，有(you)需要可(ke)以聯系我司哦！云南反應(ying)釜橢圓(yuan)(yuan)封頭廠(chang)家

橢圓封頭(tou)設備，就(jiu)選溫州(zhou)浩邦金屬制品(pin)有限公(gong)司，用戶的(de)(de)信(xin)賴之選，歡迎您的(de)(de)來(lai)電(dian)哦！北京氣罐橢圓封頭(tou)

因為(wei)(wei)整體封(feng)(feng)頭(tou)(tou)(tou)(tou)壓(ya)(ya)制屬(shu)于(yu)拉延過(guo)(guo)程(cheng),采用(yong)壓(ya)(ya)邊(bian)圈(quan)拉延時(shi),封(feng)(feng)頭(tou)(tou)(tou)(tou)各(ge)部(bu)分(fen)的(de)(de)應力應變(bian)(bian)(bian)分(fen)布(bu)見圖。不采用(yong)壓(ya)(ya)邊(bian)圈(quan)時(shi),除厚度方向不產(chan)生應力外，其余部(bu)分(fen)與壓(ya)(ya)邊(bian)圈(quan)時(shi)相(xiang)同。由(you)于(yu)材料(liao)(liao)在(zai)變(bian)(bian)(bian)形(xing)過(guo)(guo)程(cheng)中各(ge)部(bu)分(fen)的(de)(de)應力應變(bian)(bian)(bian)狀況不同。成形(xing)后封(feng)(feng)頭(tou)(tou)(tou)(tou)各(ge)部(bu)位(wei)的(de)(de)壁(bi)(bi)厚也不同,一般橢(tuo)(tuo)圓形(xing)封(feng)(feng)頭(tou)(tou)(tou)(tou)在(zai)接近大(da)(da)(da)曲率部(bu)位(wei)變(bian)(bian)(bian)薄較大(da)(da)(da)，碳鋼封(feng)(feng)頭(tou)(tou)(tou)(tou)可達(da)8%~10%,鋁封(feng)(feng)頭(tou)(tou)(tou)(tou)達(da)12%~15%。球(qiu)形(xing)封(feng)(feng)頭(tou)(tou)(tou)(tou)在(zai)底(di)(di)部(bu)變(bian)(bian)(bian)薄較為(wei)(wei)嚴(yan)重,碳鋼球(qiu)形(xing)封(feng)(feng)頭(tou)(tou)(tou)(tou)可達(da)10%~14%。封(feng)(feng)頭(tou)(tou)(tou)(tou)冷卻過(guo)(guo)程(cheng)中的(de)(de)收縮方圖。在(zai)正(zheng)常的(de)(de)生產(chan)情況下，影響(xiang)封(feng)(feng)頭(tou)(tou)(tou)(tou)壁(bi)(bi)厚變(bian)(bian)(bian)化的(de)(de)因素主要是(shi)因為(wei)(wei)封(feng)(feng)頭(tou)(tou)(tou)(tou)材料(liao)(liao)的(de)(de)強度越低(di),壁(bi)(bi)厚變(bian)(bian)(bian)薄量(liang)(liang)越大(da)(da)(da);變(bian)(bian)(bian)形(xing)程(cheng)度越大(da)(da)(da),封(feng)(feng)頭(tou)(tou)(tou)(tou)底(di)(di)部(bu)越尖,上(shang)下模(mo)間隙及下模(mo)圓角(jiao)越小，壁(bi)(bi)厚變(bian)(bian)(bian)薄量(liang)(liang)越大(da)(da)(da);在(zai)生產(chan)過(guo)(guo)程(cheng)中，壓(ya)(ya)邊(bian)角(jiao)過(guo)(guo)大(da)(da)(da)或過(guo)(guo)小,都(dou)將增(zeng)大(da)(da)(da)壁(bi)(bi)厚變(bian)(bian)(bian)薄量(liang)(liang);熱(re)壓(ya)(ya)時(shi),溫度越高,壁(bi)(bi)厚變(bian)(bian)(bian)薄量(liang)(liang)越大(da)(da)(da),加熱(re)不均勻,會使(shi)局部(bu)變(bian)(bian)(bian)薄量(liang)(liang)增(zeng)大(da)(da)(da)。因此為(wei)(wei)了彌補封(feng)(feng)頭(tou)(tou)(tou)(tou)壁(bi)(bi)厚的(de)(de)變(bian)(bian)(bian)薄,可以適(shi)當加大(da)(da)(da)封(feng)(feng)頭(tou)(tou)(tou)(tou)坯(pi)料(liao)(liao)的(de)(de)板厚,以使(shi)封(feng)(feng)頭(tou)(tou)(tou)(tou)變(bian)(bian)(bian)薄處的(de)(de)厚度接近容器的(de)(de)壁(bi)(bi)厚。北(bei)京氣罐橢(tuo)(tuo)圓封(feng)(feng)頭(tou)(tou)(tou)(tou)

浩(hao)邦金(jin)(jin)屬(shu)制品(pin)，2013-10-25正(zheng)式啟動，成立了橢圓(yuan)封(feng)(feng)(feng)頭(tou)(tou)，錐(zhui)形(xing)封(feng)(feng)(feng)頭(tou)(tou)，視(shi)(shi)鏡(jing)人(ren)(ren)(ren)孔(kong)，壓力(li)(li)人(ren)(ren)(ren)孔(kong)等(deng)(deng)幾大市場(chang)(chang)布局，應對行(xing)業(ye)變化(hua)，順應市場(chang)(chang)趨勢發展，在創新中(zhong)尋求突破，進(jin)而提升浩(hao)邦金(jin)(jin)屬(shu)制品(pin),浩(hao)邦金(jin)(jin)屬(shu),浩(hao)邦的(de)市場(chang)(chang)競(jing)爭力(li)(li)，把握市場(chang)(chang)機遇，推動五(wu)(wu)金(jin)(jin)、工(gong)(gong)具產(chan)業(ye)的(de)進(jin)步。是具有(you)一(yi)定實力(li)(li)的(de)五(wu)(wu)金(jin)(jin)、工(gong)(gong)具企業(ye)之(zhi)一(yi)，主要(yao)提供橢圓(yuan)封(feng)(feng)(feng)頭(tou)(tou)，錐(zhui)形(xing)封(feng)(feng)(feng)頭(tou)(tou)，視(shi)(shi)鏡(jing)人(ren)(ren)(ren)孔(kong)，壓力(li)(li)人(ren)(ren)(ren)孔(kong)等(deng)(deng)領(ling)域(yu)內(nei)的(de)產(chan)品(pin)或服務。隨著我(wo)們(men)的(de)業(ye)務不(bu)斷擴展，從橢圓(yuan)封(feng)(feng)(feng)頭(tou)(tou)，錐(zhui)形(xing)封(feng)(feng)(feng)頭(tou)(tou)，視(shi)(shi)鏡(jing)人(ren)(ren)(ren)孔(kong)，壓力(li)(li)人(ren)(ren)(ren)孔(kong)等(deng)(deng)到眾(zhong)多(duo)其他領(ling)域(yu)，已經(jing)逐(zhu)步成長為一(yi)個(ge)(ge)獨特，且具有(you)活力(li)(li)與創新的(de)企業(ye)。溫(wen)州浩(hao)邦金(jin)(jin)屬(shu)制品(pin)有(you)限公司(si)業(ye)務范圍涉及(ji)溫(wen)州浩(hao)邦金(jin)(jin)屬(shu)制品(pin)有(you)限公司(si)經(jing)營范圍：金(jin)(jin)屬(shu)制品(pin)、閥門(men)、管道配件、機械設備的(de)加(jia)工(gong)(gong)、銷(xiao)(xiao)售。是一(yi)家專業(ye)生產(chan)、加(jia)工(gong)(gong)、銷(xiao)(xiao)售不(bu)銹(xiu)鋼封(feng)(feng)(feng)頭(tou)(tou)、橢圓(yuan)封(feng)(feng)(feng)頭(tou)(tou)、平底封(feng)(feng)(feng)頭(tou)(tou)、蝶形(xing)封(feng)(feng)(feng)頭(tou)(tou)、球形(xing)封(feng)(feng)(feng)頭(tou)(tou)、錐(zhui)形(xing)封(feng)(feng)(feng)頭(tou)(tou)等(deng)(deng)各種(zhong)系列封(feng)(feng)(feng)頭(tou)(tou)的(de)公司(si)。同時(shi)，還加(jia)工(gong)(gong)各種(zhong)法蘭、人(ren)(ren)(ren)孔(kong)等(deng)(deng)封(feng)(feng)(feng)頭(tou)(tou)配套產(chan)品(pin)。等(deng)(deng)多(duo)個(ge)(ge)環節，在國內(nei)五(wu)(wu)金(jin)(jin)、工(gong)(gong)具行(xing)業(ye)擁有(you)綜合(he)優勢。在橢圓(yuan)封(feng)(feng)(feng)頭(tou)(tou)，錐(zhui)形(xing)封(feng)(feng)(feng)頭(tou)(tou)，視(shi)(shi)鏡(jing)人(ren)(ren)(ren)孔(kong)，壓力(li)(li)人(ren)(ren)(ren)孔(kong)等(deng)(deng)領(ling)域(yu)完成了眾(zhong)多(duo)可靠項目。

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