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公司(si)主營(ying):鍛(duan)(duan)件(jian)(jian)(jian)定(ding)制加(jia)(jia)(jia)工(gong)(gong),筒類(lei)鍛(duan)(duan)件(jian)(jian)(jian),異型鍛(duan)(duan)件(jian)(jian)(jian),不(bu)銹鋼鍛(duan)(duan)件(jian)(jian)(jian),鍛(duan)(duan)件(jian)(jian)(jian)加(jia)(jia)(jia)工(gong)(gong),碳鋼鍛(duan)(duan)件(jian)(jian)(jian),合(he)金鋼鍛(duan)(duan)件(jian)(jian)(jian),304鍛(duan)(duan)件(jian)(jian)(jian)鍛(duan)(duan)造,316鍛(duan)(duan)件(jian)(jian)(jian),45#鍛(duan)(duan)件(jian)(jian)(jian),軸鍛(duan)(duan)件(jian)(jian)(jian),非(fei)標件(jian)(jian)(jian)鍛(duan)(duan)件(jian)(jian)(jian)加(jia)(jia)(jia)工(gong)(gong),環鍛(duan)(duan)件(jian)(jian)(jian)加(jia)(jia)(jia)工(gong)(gong),大口徑法蘭(lan),對焊法蘭(lan),法蘭(lan)環鍛(duan)(duan)件(jian)(jian)(jian)等,歡迎來電咨(zi)詢!鍛(duan)(duan)件(jian)(jian)(jian)加(jia)(jia)(jia)工(gong)(gong)
以下內容由本公司為您(nin)提(ti)供,今(jin)天我們來(lai)分享鍛(duan)件加工的內容,希(xi)望對大家有(you)所幫助(zhu):
鍛件鍛后控溫(wen)冷(leng)卻方(fang)式有(you)哪些?
非調質(zhi)鋼(gang)零件(jian)(jian)(jian)(jian),鍛后(hou)(hou)冷(leng)(leng)卻(que)方(fang)(fang)式(shi)直(zhi)接影響產(chan)品性(xing)能。在實際(ji)試驗過(guo)程(cheng)中(zhong)(zhong),通常采用自(zi)然空(kong)冷(leng)(leng)、箱內緩冷(leng)(leng)和(he)控制(zhi)冷(leng)(leng)卻(que)等幾(ji)種(zhong)冷(leng)(leng)卻(que)方(fang)(fang)式(shi)。比較(jiao)(jiao)(jiao)不同(tong)方(fang)(fang)式(shi)下零件(jian)(jian)(jian)(jian)的金相組(zu)織和(he)力(li)學性(xing)能發現,S30403鍛件(jian)(jian)(jian)(jian)加(jia)(jia)工(gong),在自(zi)然空(kong)冷(leng)(leng)這種(zhong)快(kuai)冷(leng)(leng)方(fang)(fang)式(shi)冷(leng)(leng)卻(que)條(tiao)件(jian)(jian)(jian)(jian)下,由于相變前(qian)冷(leng)(leng)卻(que)速(su)度(du)較(jiao)(jiao)(jiao)快(kuai),表層組(zu)織中(zhong)(zhong)鐵(tie)素體數(shu)量較(jiao)(jiao)(jiao)少,鐵(tie)素體網較(jiao)(jiao)(jiao)細,山東鍛件(jian)(jian)(jian)(jian)加(jia)(jia)工(gong),這對(dui)改善零件(jian)(jian)(jian)(jian)的高頻淬火以及(ji)力(li)學性(xing)能是(shi)(shi)有(you)益的;但為(wei)消除鍛件(jian)(jian)(jian)(jian)的內應(ying)力(li),減少零件(jian)(jian)(jian)(jian)加(jia)(jia)工(gong)過(guo)程(cheng)中(zhong)(zhong)的變形,冷(leng)(leng)卻(que)速(su)度(du)又(you)不宜太快(kuai)。所(suo)以非調質(zhi)鋼(gang)零件(jian)(jian)(jian)(jian)鍛后(hou)(hou)較(jiao)(jiao)(jiao)為(wei)合理的冷(leng)(leng)卻(que)方(fang)(fang)式(shi)應(ying)該是(shi)(shi):
1.在相變前(qian)采(cai)用快(kuai)速冷卻(que),冷卻(que)速度每分(fen)鐘(zhong)可控制(zhi)在40℃~80℃,以(yi)獲(huo)得較細小(xiao)的(de)鐵素(su)體(ti)晶粒。
2.在(zai)(zai)相(xiang)變(bian)(bian)過程(cheng)和相(xiang)變(bian)(bian)完成后(hou)采用綏慢冷(leng)卻,以消除鍛(duan)件內部的(de)殘余應力,同時也可消除或(huo)減少硬度不均(jun),使硬度均(jun)勻化,便于冷(leng)加工,這是非調質鋼在(zai)(zai)鍛(duan)造生(sheng)產過程(cheng)中,控制鍛(duan)后(hou)冷(leng)卻所(suo)要達到的(de)目的(de)和效果。
本期內容就跟大家分享到這里了,更多關于鍛件加工的精彩資訊請繼續關注我們吧!
公司主(zhu)營:鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian)定制(zhi)加工,筒類鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian),異型鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian),不銹鋼(gang)鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian),鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian)加工,碳鋼(gang)鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian),合金鋼(gang)鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian),304鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian)鍛(duan)(duan)(duan)造(zao),316鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian),45#鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian),軸鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian),非標件(jian)(jian)(jian)(jian)鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian)加工,環(huan)鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian)加工,大口徑法(fa)蘭,對焊法(fa)蘭,法(fa)蘭環(huan)鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian)等,歡迎來電咨詢!鍛(duan)(duan)(duan)件(jian)(jian)(jian)(jian)加工
大家好(hao)本期小(xiao)編給大家帶來新的內容,希望對(dui)大家有所幫助:鍛件(jian)加工(gong)
筒(tong)類鍛件質量問題的解決方法及預防措施
為了避免氧(yang)化(hua)(hua)皮(pi)(pi)造(zao)(zao)成的(de)質量問(wen)題采取如下措施:在(zai)(zai)加(jia)熱墊(dian)鐵(tie)(tie)上(shang)(shang)鋪(pu)石棉(mian)(mian)氈,阻斷(duan)坯料與加(jia)熱墊(dian)鐵(tie)(tie)上(shang)(shang)氧(yang)化(hua)(hua)皮(pi)(pi)的(de)粘連,但(dan)是高溫(wen)狀態下在(zai)(zai)墊(dian)鐵(tie)(tie)上(shang)(shang)鋪(pu)石棉(mian)(mian)氈比較困難(nan)同時容(rong)易造(zao)(zao)成石棉(mian)(mian)氈浪費,這種方法適合于(yu)重點產品;利用特種吊鉗(qian)(qian)的(de)結(jie)構(gou)特點,待筒(tong)節(jie)放置在(zai)(zai)馬架上(shang)(shang)后,將特種吊鉗(qian)(qian)合抱在(zai)(zai)筒(tong)節(jie)有氧(yang)化(hua)(hua)皮(pi)(pi)的(de)部位(wei),操作(zuo)車夾持馬杠反復旋(xuan)轉(zhuan),帶動筒(tong)節(jie)旋(xuan)轉(zhuan)將粘連的(de)氧(yang)化(hua)(hua)鐵(tie)(tie)皮(pi)(pi)刮下。
為了避免由于(yu)料(liao)溫不均造成筒節在芯棒拔(ba)長時(shi)(shi)出現長短面(mian)和坯(pi)料(liao)被燒成橢圓的(de)情況(kuang),可以采用將坯(pi)料(liao)保溫一定時(shi)(shi)間后(hou),旋轉一定角(jiao)度再進行保溫。
為了從(cong)根本上解決筒節端面折傷、飛邊(bian)開裂以及飛邊(bian)折疊進(jin)入筒身本體等質量問(wen)題,采(cai)用以下措(cuo)施:設(she)計漏沖脫附具(ju)避(bi)免(mian)端面折傷的(de)(de)產生;坯料沖孔(芯棒(bang)拔長)結(jie)束(shu)后采(cai)用吹(chui)氧(氣割)的(de)(de)方式將飛邊(bian)清除。
筒節出(chu)成品(pin)后由(you)于自重(zhong)將(jiang)會使橢(tuo)圓度(du)增大(da), 所以(yi)采用立(li)料裝置將(jiang)出(chu)成品(pin)后的筒節豎立(li)放置。
相(xiang)(xiang)對(dui)進(jin)給量(liang)(liang)和單(dan)道次壓下(xia)(xia)量(liang)(liang)是鍛造時(shi)的重要參數(shu),相(xiang)(xiang)對(dui)進(jin)給量(liang)(liang)b/h(b為 寬(kuan);h為坯料(liao)高(gao)度)太小或太大都容易(yi)產(chan)生折傷,所(suo)以(yi)鍛造時(shi)相(xiang)(xiang)對(dui)進(jin)給量(liang)(liang)應(ying)盡量(liang)(liang)滿足0.5—0.85。均勻的壓下(xia)(xia)量(liang)(liang)可以(yi)有效地避免壁厚不均、端面長短不齊(qi)等質量(liang)(liang)問題。
本期內容就跟大家分享到這里了,更多關于鍛件加工的精彩資訊請繼續關注我們吧!
公司主營:鍛(duan)件(jian)(jian)定制加工(gong),筒類鍛(duan)件(jian)(jian),異型鍛(duan)件(jian)(jian),不(bu)銹鋼鍛(duan)件(jian)(jian),鍛(duan)件(jian)(jian)加工(gong),碳鋼鍛(duan)件(jian)(jian),合金(jin)鋼鍛(duan)件(jian)(jian),304鍛(duan)件(jian)(jian)鍛(duan)造,316鍛(duan)件(jian)(jian),45#鍛(duan)件(jian)(jian),軸鍛(duan)件(jian)(jian),非(fei)標件(jian)(jian)鍛(duan)件(jian)(jian)加工(gong),環(huan)鍛(duan)件(jian)(jian)加工(gong),大口徑法蘭,對焊法蘭,法蘭環(huan)鍛(duan)件(jian)(jian)等,歡迎來電咨(zi)詢(xun)!鍛(duan)件(jian)(jian)加工(gong)
大(da)家(jia)(jia)好本期小編(bian)給大(da)家(jia)(jia)帶來新的內(nei)容,碳(tan)鋼鍛(duan)件加工廠家(jia)(jia),希望(wang)對大(da)家(jia)(jia)有(you)所幫助:鍛(duan)件加工
大(da)型筒類鍛(duan)件(jian)多應用于壓力(li)容器(qi),壓力(li)容器(qi)的(de)發展趨(qu)勢是(shi)大(da)型化(hua)和整體(ti)化(hua),S31603鍛(duan)件(jian)加工(gong),設備的(de)大(da)型化(hua)使(shi)鍛(duan)件(jian)尺(chi)寸越(yue)來(lai)越(yue)大(da),有(you)些鍛(duan)件(jian)尺(chi)寸已超(chao)過現有(you)壓機的(de)鍛(duan)造能(neng)力(li)。
筒體鍛(duan)件(jian)的(de)主要制造過(guo)程包括煉鋼→鍛(duan)造→鍛(duan)后熱(re)(re)處理(li)→性(xing)(xing)能(neng)熱(re)(re)處理(li)→性(xing)(xing)能(neng)檢驗。其中熱(re)(re)加(jia)工(gong)工(gong)藝過(guo)程對產品(pin)質(zhi)量(liang)均(jun)有影響,因此可通過(guo)控制熱(re)(re)加(jia)工(gong)工(gong)藝過(guo)程來控制產品(pin)質(zhi)量(liang)。
筒節鍛件所(suo)用鋼錠采用精選的原材(cai)料和鐵合(he)金,電(dian)爐冶煉加爐外精煉。鋼水經合(he)理控(kong)制(zhi)化學成分、真空(kong)冶煉并真空(kong)澆(jiao)注,保證得到高純凈度的鋼。
由于筒(tong)(tong)體鍛件尺寸超過現有水(shui)(shui)壓機(ji)的(de)尺寸,無法利(li)用水(shui)(shui)壓機(ji)直接鍛造出(chu)成(cheng)品。筒(tong)(tong)體鍛件的(de)鍛造在 150MN水(shui)(shui)壓機(ji)和筒(tong)(tong)體軋(ya)機(ji)上(shang)完成(cheng)。先利(li)用水(shui)(shui)壓機(ji)鍛造出(chu)半成(cheng)品,然后(hou)在筒(tong)(tong)節軋(ya)機(ji)上(shang)軋(ya)制出(chu)成(cheng)品。筒(tong)(tong)節的(de)鍛造過程為:鐓粗、沖孔→芯棒(bang)、拔(ba)長(chang)→馬杠擴孔→軋(ya)制出(chu)成(cheng)品。
本期內容就(jiu)跟大家分享(xiang)到這里了,更多關于鍛件加工(gong)的精(jing)彩資訊請(qing)繼續關注我(wo)們吧!
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