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2018-05-27

真空甩帶爐中常用加熱元件的特性

  真空(kong)(kong)(kong)(kong)甩(shuai)帶(dai)(dai)(dai)爐(lu)中(zhong)(zhong)(zhong)常(chang)用加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)元(yuan)(yuan)件(jian)(jian)(jian)(jian)的(de)(de)(de)(de)特性(xing)   在(zai)使用真空(kong)(kong)(kong)(kong)甩(shuai)帶(dai)(dai)(dai)爐(lu)進行工(gong)作的(de)(de)(de)(de)時(shi)(shi)候,主要的(de)(de)(de)(de)就是為(wei)了加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re),在(zai)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)過(guo)(guo)程(cheng)中(zhong)(zhong)(zhong)需(xu)要要求加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)速率快,選(xuan)(xuan)用的(de)(de)(de)(de)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)材料(liao)(liao)(liao)一(yi)定要保(bao)(bao)證(zheng)熱(re)(re)(re)(re)導率好(hao),并(bing)且(qie)在(zai)高(gao)溫(wen)(wen)(wen)下不(bu)(bu)能(neng)產(chan)(chan)(chan)生(sheng)變形(xing)和(he)大(da)量的(de)(de)(de)(de)熱(re)(re)(re)(re)損失(shi),要保(bao)(bao)證(zheng)在(zai)使用過(guo)(guo)程(cheng)中(zhong)(zhong)(zhong)在(zai)一(yi)段時(shi)(shi)間內性(xing)能(neng)要穩定。   在(zai)選(xuan)(xuan)取加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)元(yuan)(yuan)件(jian)(jian)(jian)(jian)時(shi)(shi)也要根據自己所需(xu)處(chu)理(li)產(chan)(chan)(chan)品的(de)(de)(de)(de)化學性(xing)能(neng),以(yi)免加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)元(yuan)(yuan)件(jian)(jian)(jian)(jian)的(de)(de)(de)(de)材質影響(xiang)(xiang)到工(gong)件(jian)(jian)(jian)(jian)的(de)(de)(de)(de)質量。因(yin)此,真空(kong)(kong)(kong)(kong)甩(shuai)帶(dai)(dai)(dai)爐(lu)要合(he)理(li)的(de)(de)(de)(de)選(xuan)(xuan)取加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)元(yuan)(yuan)件(jian)(jian)(jian)(jian)。常(chang)用的(de)(de)(de)(de)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)元(yuan)(yuan)件(jian)(jian)(jian)(jian)有(you)石(shi)墨(mo)和(he)不(bu)(bu)銹鋼。   石(shi)墨(mo)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)元(yuan)(yuan)件(jian)(jian)(jian)(jian):   石(shi)墨(mo)具(ju)有(you)耐高(gao)溫(wen)(wen)(wen)、熱(re)(re)(re)(re)膨(peng)脹小(xiao),抗熱(re)(re)(re)(re)沖擊能(neng)力強(qiang)等特性(xing),其機(ji)械強(qiang)度在(zai)2500℃以(yi)下碎(sui)溫(wen)(wen)(wen)度的(de)(de)(de)(de)上(shang)升而提高(gao),1700℃左右(you)***佳,超過(guo)(guo)所有(you)的(de)(de)(de)(de)氧化物(wu)和(he)金屬。石(shi)墨(mo)材料(liao)(liao)(liao)熔點高(gao),蒸(zheng)氣(qi)壓低(di)(di),真空(kong)(kong)(kong)(kong)爐(lu)的(de)(de)(de)(de)氣(qi)氛中(zhong)(zhong)(zhong)含有(you)低(di)(di)濃度的(de)(de)(de)(de)碳,將與殘余氣(qi)體(ti)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)氧氣(qi)和(he)水蒸(zheng)氣(qi)反應(ying)(ying)(ying)產(chan)(chan)(chan)生(sheng)凈化效果,大(da)大(da)簡化了真空(kong)(kong)(kong)(kong)系統,降低(di)(di)了成(cheng)(cheng)本。在(zai)真空(kong)(kong)(kong)(kong)甩(shuai)帶(dai)(dai)(dai)爐(lu)的(de)(de)(de)(de)制作過(guo)(guo)程(cheng)中(zhong)(zhong)(zhong),一(yi)般(ban)用于熱(re)(re)(re)(re)處(chu)理(li)時(shi)(shi)采用的(de)(de)(de)(de)加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)元(yuan)(yuan)件(jian)(jian)(jian)(jian)是石(shi)墨(mo),包括其爐(lu)床支座、保(bao)(bao)溫(wen)(wen)(wen)屏、連接板、連接螺母、通氣(qi)管等。   不(bu)(bu)銹鋼加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)元(yuan)(yuan)件(jian)(jian)(jian)(jian):   體(ti)積小(xiao),功率大(da),熱(re)(re)(re)(re)響(xiang)(xiang)應(ying)(ying)(ying)快,控溫(wen)(wen)(wen)精(jing)度高(gao),綜合(he)熱(re)(re)(re)(re)效率高(gao),應(ying)(ying)(ying)用范圍寬,適應(ying)(ying)(ying)性(xing)強(qiang),加(jia)(jia)(jia)(jia)熱(re)(re)(re)(re)溫(wen)(wen)(wen)度高(gao),壽(shou)命長,可靠性(xing)高(gao)。真空(kong)(kong)(kong)(kong)甩(shuai)帶(dai)(dai)(dai)爐(lu)機(ji)械化程(cheng)度高(gao),可以(yi)按照客戶的(de)(de)(de)(de)要求彎成(cheng)(cheng)各種形(xing)狀、輕便(bian)、拆(chai)裝方便(bian)。結構簡單、用料(liao)(liao)(liao)少、成(cheng)(cheng)本便(bian)宜,而且(qie)使用壽(shou)命長、熱(re)(re)(re)(re)轉換(huan)率高(gao),同時(shi)(shi)節(jie)能(neng)省電。

27 January 2019
真空甩帶爐中常用加熱元件的特性

2018-05-16

真空燒結爐使用時要注意哪些

  真(zhen)空(kong)(kong)(kong)(kong)燒(shao)(shao)結(jie)(jie)爐(lu)(lu)(lu)(lu)(lu)使(shi)用(yong)時要(yao)(yao)注意哪些   真(zhen)空(kong)(kong)(kong)(kong)燒(shao)(shao)結(jie)(jie)爐(lu)(lu)(lu)(lu)(lu)是在(zai)抽(chou)真(zhen)空(kong)(kong)(kong)(kong)后充氫氣保護狀態下,利用(yong)中頻感應(ying)(ying)(ying)(ying)加熱的(de)(de)原理(li),使(shi)處(chu)于線圈(quan)內的(de)(de)鎢坩(gan)堝產生(sheng)高溫,通過熱輻射傳導到工作(zuo)上,適用(yong)于科研、軍(jun)工單位對難熔合金如(ru)(ru)鎢、鉬(mu)及(ji)其合金的(de)(de)粉末成(cheng)(cheng)型燒(shao)(shao)結(jie)(jie)。安(an)裝電(dian)爐(lu)(lu)(lu)(lu)(lu)的(de)(de)場所(suo)應(ying)(ying)(ying)(ying)符合真(zhen)空(kong)(kong)(kong)(kong)衛生(sheng)的(de)(de)要(yao)(yao)求(qiu),周圍的(de)(de)空(kong)(kong)(kong)(kong)氣應(ying)(ying)(ying)(ying)清潔(jie)和干燥(zao),并有良好(hao)的(de)(de)通風條件(jian),工作(zuo)場地不(bu)易揚起灰塵(chen)等。使(shi)用(yong)時我們應(ying)(ying)(ying)(ying)該(gai)知道(dao)哪些事項?   1、檢(jian)查真(zhen)空(kong)(kong)(kong)(kong)燒(shao)(shao)結(jie)(jie)爐(lu)(lu)(lu)(lu)(lu)控(kong)(kong)(kong)制柜中所(suo)有部件(jian)及(ji)配(pei)件(jian)是否完備、完好(hao)。   2、控(kong)(kong)(kong)制柜安(an)裝在(zai)相應(ying)(ying)(ying)(ying)的(de)(de)地基上,并固定。   3、安(an)照(zhao)接(jie)線圖,并參考真(zhen)空(kong)(kong)(kong)(kong)燒(shao)(shao)結(jie)(jie)爐(lu)(lu)(lu)(lu)(lu)原理(li)圖,接(jie)通外接(jie)主(zhu)回路及(ji)控(kong)(kong)(kong)制回路,并可(ke)靠接(jie)地,保證接(jie)線無誤(wu)。   4、檢(jian)查電(dian)器(qi)可(ke)動(dong)部分應(ying)(ying)(ying)(ying)活動(dong)自如(ru)(ru),無卡死現(xian)象(xiang)。   5、絕緣電(dian)阻應(ying)(ying)(ying)(ying)不(bu)低于2兆歐姆。真(zhen)空(kong)(kong)(kong)(kong)燒(shao)(shao)結(jie)(jie)爐(lu)(lu)(lu)(lu)(lu)各閥門須在(zai)關(guan)(guan)閉位置。控(kong)(kong)(kong)制電(dian)源開(kai)關(guan)(guan)放在(zai)關(guan)(guan)位。   6、手動(dong)調(diao)壓旋鈕逆時針(zhen)旋動(dong)頭(tou)。   7、報警鈕放在(zai)開(kai)位。   按(an)平面圖完成(cheng)(cheng)設備的(de)(de)循環冷卻水聯接(jie),建議用(yong)戶在(zai)真(zhen)空(kong)(kong)(kong)(kong)燒(shao)(shao)結(jie)(jie)爐(lu)(lu)(lu)(lu)(lu)總進出水管(guan)處(chu)再接(jie)入(ru)一備用(yong)水(可(ke)用(yong)自來水),防止(zhi)循環水有故障(zhang)或(huo)斷電(dian)導致密封圈(quan)燒(shao)(shao)壞。

16 January 2019
真空燒結爐使用時要注意哪些

2018-05-16

組成真空甩帶爐都有哪些部件

  組(zu)(zu)成(cheng)真(zhen)(zhen)空(kong)(kong)甩帶(dai)(dai)爐(lu)(lu)(lu)(lu)(lu)都有(you)(you)(you)哪(na)些(xie)部件(jian)   真(zhen)(zhen)空(kong)(kong)甩帶(dai)(dai)爐(lu)(lu)(lu)(lu)(lu)也叫真(zhen)(zhen)空(kong)(kong)速凝(ning)(ning)爐(lu)(lu)(lu)(lu)(lu),主要(yao)用(yong)(yong)于(yu)(yu)(yu)各(ge)種稀(xi)土(tu)永(yong)磁(ci)材料(liao)的(de)熔煉(lian)(lian), 合(he)金(jin)(jin)(jin)(jin)的(de)冶煉(lian)(lian)。八佳自(zi)主開發(fa)(fa)制造的(de)一種集真(zhen)(zhen)空(kong)(kong)熔煉(lian)(lian)、自(zi)動(dong)噴(pen)鑄、冷凝(ning)(ning)器、機電于(yu)(yu)(yu)一體(ti)的(de)精密設備(bei)(bei),主要(yao)由(you)熔煉(lian)(lian)電源(yuan)、真(zhen)(zhen)空(kong)(kong)機組(zu)(zu)、甩帶(dai)(dai)裝置、等部分組(zu)(zu)成(cheng)。目(mu)前已在各(ge)大(da)(da)高校研(yan)(yan)究所(suo)應(ying)用(yong)(yong)于(yu)(yu)(yu)對稀(xi)有(you)(you)(you)金(jin)(jin)(jin)(jin)屬(shu)(shu)釹鐵(tie)硼(0.2—0.3mm厚)的(de)熔煉(lian)(lian)和(he)(he)甩帶(dai)(dai)成(cheng)型,該(gai)設備(bei)(bei)具(ju)有(you)(you)(you)科技(ji)含(han)量高、操作簡(jian)單,熔煉(lian)(lian)時間短、節能***等特(te)點。產品各(ge)項指標達(da)到或超過日本同類產品的(de)性能。   真(zhen)(zhen)空(kong)(kong)甩帶(dai)(dai)爐(lu)(lu)(lu)(lu)(lu)是(shi)用(yong)(yong)來制備(bei)(bei)和(he)(he)開發(fa)(fa)亞穩材料(liao)(如(ru)非晶態材料(liao))的(de)專用(yong)(yong)設備(bei)(bei),該(gai)設備(bei)(bei)除了具(ju)有(you)(you)(you)感應(ying)爐(lu)(lu)(lu)(lu)(lu)的(de)全部特(te)點外(wai),還具(ju)有(you)(you)(you)制備(bei)(bei)塊體(ti)金(jin)(jin)(jin)(jin)屬(shu)(shu)非晶及金(jin)(jin)(jin)(jin)屬(shu)(shu)薄帶(dai)(dai)的(de)功(gong)能,適用(yong)(yong)于(yu)(yu)(yu)各(ge)種非晶及微晶材料(liao)的(de)研(yan)(yan)究及實(shi)驗工作,,廣泛用(yong)(yong)于(yu)(yu)(yu)新型稀(xi)土(tu)永(yong)磁(ci)材料(liao)非晶軟磁(ci)材料(liao)及納米材料(liao)科學(xue)的(de)開發(fa)(fa)與研(yan)(yan)究。   真(zhen)(zhen)空(kong)(kong)甩帶(dai)(dai)爐(lu)(lu)(lu)(lu)(lu)由(you)真(zhen)(zhen)空(kong)(kong)室、甩帶(dai)(dai)裝置、坩堝自(zi)動(dong)升降裝置、氣(qi)路(lu)系(xi)統(tong)、機殼(ke)和(he)(he)熔煉(lian)(lian)電源(yuan)等組(zu)(zu)成(cheng)。   1、真(zhen)(zhen)空(kong)(kong)室:采(cai)(cai)用(yong)(yong)304板組(zu)(zu)焊而成(cheng)并(bing)做表面處理(li)(li),爐(lu)(lu)(lu)(lu)(lu)門上裝有(you)(you)(you)大(da)(da)尺寸(cun)觀(guan)察窗,既滿(man)足高真(zhen)(zhen)空(kong)(kong)要(yao)求,又便于(yu)(yu)(yu)觀(guan)察實(shi)驗情(qing)況(kuang)。   2、甩帶(dai)(dai)裝置:采(cai)(cai)用(yong)(yong)伺服(fu)電機驅動(dong),無(wu)極(ji)(ji)調速,密封(feng)采(cai)(cai)用(yong)(yong)磁(ci)流體(ti)密封(feng)裝置,銅棍拆卸方便。轉動(dong)平(ping)穩,噪音極(ji)(ji)低。   3、坩堝自(zi)動(dong)升降系(xi)統(tong):真(zhen)(zhen)空(kong)(kong)甩帶(dai)(dai)爐(lu)(lu)(lu)(lu)(lu)采(cai)(cai)用(yong)(yong)伺服(fu)電機升降,可(ke)根據(ju)不同材料(liao)設備(bei)(bei)不同噴(pen)帶(dai)(dai)參數。   4、氣(qi)路(lu)系(xi)統(tong):由(you)電磁(ci)閥、壓(ya)力(li)罐(guan)、手動(dong)閥門和(he)(he)管路(lu)組(zu)(zu)成(cheng)。   5、機殼(ke):結合(he)國內外(wai)設備(bei)(bei)外(wai)觀(guan)經驗,根據(ju)自(zi)身設備(bei)(bei)特(te)點,設計出(chu)合(he)理(li)(li)機殼(ke),外(wai)表噴(pen)塑處理(li)(li)。   6、熔煉(lian)(lian)電源(yuan):定制的(de)專用(yong)(yong)熔煉(lian)(lian)電源(yuan),操作簡(jian)單,結構(gou)小巧。   7、真(zhen)(zhen)空(kong)(kong)甩帶(dai)(dai)爐(lu)(lu)(lu)(lu)(lu)觸(chu)摸屏+PLC控制,可(ke)視化操作界面。

16 January 2019
組成真空甩帶爐都有哪些部件

2018-05-13

真空燒結爐的主要功能有哪些

  真(zhen)空(kong)(kong)(kong)燒(shao)結爐(lu)(lu)的(de)主(zhu)要(yao)(yao)功能(neng)(neng)有哪些   真(zhen)空(kong)(kong)(kong)燒(shao)結爐(lu)(lu)是在(zai)(zai)真(zhen)空(kong)(kong)(kong)環境中(zhong)對被加(jia)熱(re)(re)物品進(jin)行保(bao)(bao)護性燒(shao)結的(de)爐(lu)(lu)子,其(qi)加(jia)熱(re)(re)方式比(bi)較多,如(ru)電(dian)(dian)(dian)(dian)阻加(jia)熱(re)(re)、感應(ying)(ying)加(jia)熱(re)(re)、微波加(jia)熱(re)(re)等。可分為(wei)工(gong)頻(pin)、中(zhong)頻(pin)、高頻(pin)等類(lei)型,可以歸屬(shu)于真(zhen)空(kong)(kong)(kong)燒(shao)結爐(lu)(lu)的(de)子類(lei)。   真(zhen)空(kong)(kong)(kong)燒(shao)結爐(lu)(lu)是在(zai)(zai)真(zhen)空(kong)(kong)(kong)或保(bao)(bao)護氣氛條件(jian)下,利(li)用(yong)中(zhong)頻(pin)感應(ying)(ying)加(jia)熱(re)(re)的(de)原理使硬質合(he)金(jin)刀(dao)頭及(ji)(ji)(ji)各(ge)種金(jin)屬(shu)粉末壓制(zhi)體實現燒(shao)結的(de)成(cheng)套(tao)設備,是為(wei)硬質合(he)金(jin)、金(jin)屬(shu)鏑(di)、陶瓷材料的(de)工(gong)業生產而設計(ji)(ji)的(de)。   結構形式多為(wei)立(li)式、下出料方式。其(qi)主(zhu)要(yao)(yao)組(zu)成(cheng)為(wei):電(dian)(dian)(dian)(dian)爐(lu)(lu)本體、真(zhen)空(kong)(kong)(kong)系(xi)(xi)統(tong)(tong)(tong)、水冷(leng)系(xi)(xi)統(tong)(tong)(tong)、氣動系(xi)(xi)統(tong)(tong)(tong)、液壓系(xi)(xi)統(tong)(tong)(tong)、進(jin)出料機構、底座、工(gong)作臺、感應(ying)(ying)加(jia)熱(re)(re)裝(zhuang)置(鎢(wu)加(jia)熱(re)(re)體及(ji)(ji)(ji)***保(bao)(bao)溫(wen)材料)、進(jin)電(dian)(dian)(dian)(dian)裝(zhuang)置、中(zhong)頻(pin)電(dian)(dian)(dian)(dian)源及(ji)(ji)(ji)電(dian)(dian)(dian)(dian)氣控制(zhi)系(xi)(xi)統(tong)(tong)(tong)等。   真(zhen)空(kong)(kong)(kong)燒(shao)結爐(lu)(lu)在(zai)(zai)抽真(zhen)空(kong)(kong)(kong)后充入氫氣保(bao)(bao)護氣體,控制(zhi)爐(lu)(lu)內壓力和氣氛的(de)燒(shao)結狀(zhuang)態。可用(yong)光導纖維紅外輻射溫(wen)度計(ji)(ji)和鎧裝(zhuang)熱(re)(re)電(dian)(dian)(dian)(dian)偶連續測溫(wen)(0~2500℃),并(bing)通過智能(neng)(neng)控溫(wen)儀與(yu)設定(ding)程(cheng)(cheng)序相比(bi)較后,選(xuan)擇執(zhi)行狀(zhuang)態反饋給中(zhong)頻(pin)電(dian)(dian)(dian)(dian)源,自動控制(zhi)溫(wen)度的(de)高低及(ji)(ji)(ji)保(bao)(bao)溫(wen)程(cheng)(cheng)序。

13 January 2019
真空燒結爐的主要功能有哪些

2018-05-13

真空熔煉爐能防止稀有金屬受大氣污染嗎

  真(zhen)(zhen)空(kong)(kong)熔(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)爐(lu)能(neng)(neng)防止稀有金(jin)(jin)(jin)屬(shu)受大氣(qi)污染(ran)嗎(ma)   19世紀80年(nian)初,真(zhen)(zhen)空(kong)(kong)技術(shu)真(zhen)(zhen)正用到(dao)(dao)冶(ye)金(jin)(jin)(jin)工業上(shang)。時(shi)至今日,真(zhen)(zhen)空(kong)(kong)冶(ye)金(jin)(jin)(jin)技術(shu)應用越來越成熟,從應用鋼(gang)鐵(tie)處理(li)到(dao)(dao)有色金(jin)(jin)(jin)屬(shu)處理(li),從粗金(jin)(jin)(jin)屬(shu)到(dao)(dao)高(gao)(gao)純度(du)金(jin)(jin)(jin)屬(shu)。真(zhen)(zhen)空(kong)(kong)熔(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)就是(shi)真(zhen)(zhen)空(kong)(kong)冶(ye)金(jin)(jin)(jin)中重(zhong)要(yao)的(de)(de)(de)一部分。真(zhen)(zhen)空(kong)(kong)熔(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)爐(lu)具有以下特點。   1、真(zhen)(zhen)空(kong)(kong)熔(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)爐(lu)能(neng)(neng)防止稀有金(jin)(jin)(jin)屬(shu)受大氣(qi)和(he)耐火材料(liao)的(de)(de)(de)污染(ran)。   2、真(zhen)(zhen)空(kong)(kong)有凈化提純作用,可(ke)(ke)(ke)(ke)獲得(de)含(han)氣(qi)量低(di)、夾雜(za)少、偏析小、力學性(xing)能(neng)(neng)及加(jia)(jia)工性(xing)能(neng)(neng)優良的(de)(de)(de)金(jin)(jin)(jin)屬(shu)及合金(jin)(jin)(jin)。是(shi)獲得(de)高(gao)(gao)純、高(gao)(gao)質量金(jin)(jin)(jin)屬(shu)材料(liao)的(de)(de)(de)好方(fang)法(fa)。   3、真(zhen)(zhen)空(kong)(kong)熔(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)爐(lu)的(de)(de)(de)真(zhen)(zhen)空(kong)(kong)電(dian)(dian)弧(hu)可(ke)(ke)(ke)(ke)獲得(de)2000℃以上(shang)的(de)(de)(de)高(gao)(gao)溫(wen)(wen),可(ke)(ke)(ke)(ke)滿(man)足高(gao)(gao)熔(rong)(rong)(rong)(rong)點金(jin)(jin)(jin)屬(shu)的(de)(de)(de)熔(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)要(yao)求(qiu)。   4、通常(chang)真(zhen)(zhen)空(kong)(kong)熔(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)是(shi)基于真(zhen)(zhen)空(kong)(kong)下的(de)(de)(de)進行(xing)高(gao)(gao)溫(wen)(wen)熔(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)之后的(de)(de)(de)提純金(jin)(jin)(jin)屬(shu)。真(zhen)(zhen)空(kong)(kong)熔(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)的(de)(de)(de)方(fang)法(fa)具體有:電(dian)(dian)子束熔(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)、真(zhen)(zhen)空(kong)(kong)感(gan)應熔(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)、真(zhen)(zhen)空(kong)(kong)電(dian)(dian)弧(hu)爐(lu)熔(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)、等離子爐(lu)熔(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)。   5、真(zhen)(zhen)空(kong)(kong)熔(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)爐(lu)的(de)(de)(de)熔(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)速(su)度(du)和(he)加(jia)(jia)熱速(su)度(du)可(ke)(ke)(ke)(ke)以在較大范圍調節,有利(li)于液(ye)態中的(de)(de)(de)碳和(he)氧反應,擴散(san)(san)能(neng)(neng)力低(di)的(de)(de)(de)雜(za)質能(neng)(neng)擴散(san)(san)到(dao)(dao)熔(rong)(rong)(rong)(rong)體蒸發(fa)去除。功率(lv)密度(du)高(gao)(gao),可(ke)(ke)(ke)(ke)達到(dao)(dao)104—108W/cm2, 熔(rong)(rong)(rong)(rong)池表面溫(wen)(wen)度(du)高(gao)(gao)、可(ke)(ke)(ke)(ke)調;同時(shi),電(dian)(dian)子束對金(jin)(jin)(jin)屬(shu)熔(rong)(rong)(rong)(rong)體有攪拌作用。   6、真(zhen)(zhen)空(kong)(kong)熔(rong)(rong)(rong)(rong)煉(lian)(lian)(lian)(lian)爐(lu)用水(shui)冷銅坩(gan)堝(guo)凝固鑄錠,不(bu)被耐火材料(liao)污染(ran)。可(ke)(ke)(ke)(ke)得(de)到(dao)(dao)很(hen)高(gao)(gao)的(de)(de)(de)溫(wen)(wen)度(du),能(neng)(neng)熔(rong)(rong)(rong)(rong)化任何難熔(rong)(rong)(rong)(rong)金(jin)(jin)(jin)屬(shu),也可(ke)(ke)(ke)(ke)熔(rong)(rong)(rong)(rong)化非金(jin)(jin)(jin)屬(shu)。

13 January 2019
真空熔煉爐能防止稀有金屬受大氣污染嗎

2018-04-30

真空甩帶爐進行熱處理時有哪些技巧

  真(zhen)(zhen)空(kong)(kong)甩(shuai)帶(dai)爐(lu)(lu)進(jin)行(xing)熱(re)(re)(re)(re)處(chu)理時(shi)有哪些技(ji)巧   真(zhen)(zhen)空(kong)(kong)甩(shuai)帶(dai)爐(lu)(lu)和(he)中頻電爐(lu)(lu)在(zai)熱(re)(re)(re)(re)加工領域有著很好的(de)(de)(de)發展前景,用(yong)(yong)(yong)于:透熱(re)(re)(re)(re)、軋(ya)制(zhi)、鍛造、彎(wan)管、熱(re)(re)(re)(re)處(chu)理(淬火(huo))、焊接等工藝的(de)(de)(de)感應(ying)(ying)(ying)(ying)加熱(re)(re)(re)(re)。那么它(ta)的(de)(de)(de)熱(re)(re)(re)(re)處(chu)理技(ji)巧是什么呢?   1.真(zhen)(zhen)空(kong)(kong)甩(shuai)帶(dai)爐(lu)(lu)處(chu)理鈦合(he)金(jin)時(shi),不(bu)宜(yi)用(yong)(yong)(yong)氮(dan)氣(qi)作為(wei)冷(leng)卻氣(qi)體(ti),因為(wei)鈦和(he)氮(dan)在(zai)高溫(wen)(wen)下反應(ying)(ying)(ying)(ying),形成金(jin)黃色的(de)(de)(de)氮(dan)化鈦。   2.活動連接部(bu)分(fen)全部(bu)采用(yong)(yong)(yong)O型(xing)橡膠(jiao)圈密(mi)封連接,此部(bu)分(fen)均(jun)通水冷(leng)卻。   3.工件(jian)(jian)在(zai)真(zhen)(zhen)空(kong)(kong)狀態下淬火(huo),應(ying)(ying)(ying)(ying)使用(yong)(yong)(yong)真(zhen)(zhen)空(kong)(kong)淬火(huo)油,此油具有較低的(de)(de)(de)飽和(he)蒸氣(qi)壓。   4.真(zhen)(zhen)空(kong)(kong)甩(shuai)帶(dai)爐(lu)(lu)保養應(ying)(ying)(ying)(ying)在(zai)真(zhen)(zhen)空(kong)(kong)或充純氮(dan)狀態下,避免平時(shi)不(bu)用(yong)(yong)(yong)時(shi)吸氣(qi),吸潮。   5.國內的(de)(de)(de)壓升率應(ying)(ying)(ying)(ying)不(bu)大于1.33Pa/h,國外某些企業(ye)的(de)(de)(de)標準(zhun)為(wei)0.67Pa/h   6.真(zhen)(zhen)空(kong)(kong)加熱(re)(re)(re)(re)以(yi)輻射(she)為(wei)主,工件(jian)(jian)在(zai)爐(lu)(lu)內應(ying)(ying)(ying)(ying)該(gai)保持間距。   7.升溫(wen)(wen)過(guo)程中,工件(jian)(jian)及(ji)爐(lu)(lu)內材料會放氣(qi),使真(zhen)(zhen)空(kong)(kong)度下降。   8.真(zhen)(zhen)空(kong)(kong)回(hui)火(huo)、真(zhen)(zhen)空(kong)(kong)退火(huo)、真(zhen)(zhen)空(kong)(kong)固溶(rong)處(chu)理及(ji)真(zhen)(zhen)空(kong)(kong)時(shi)效的(de)(de)(de)加熱(re)(re)(re)(re)溫(wen)(wen)度一般(ban)與(yu)常規處(chu)理時(shi)加熱(re)(re)(re)(re)溫(wen)(wen)度相(xiang)同。   9.真(zhen)(zhen)空(kong)(kong)甩(shuai)帶(dai)爐(lu)(lu)應(ying)(ying)(ying)(ying)該(gai)具有快(kuai)冷(leng)裝(zhuang)置。冷(leng)卻水的(de)(de)(de)壓力(li)應(ying)(ying)(ying)(ying)該(gai)大于0.2Mpa,流量應(ying)(ying)(ying)(ying)可調。   10.冷(leng)卻氣(qi)體(ti):鋼(gang)一般(ban)采用(yong)(yong)(yong)百(bai)分(fen)之99.995純度的(de)(de)(de)氮(dan)氣(qi),高溫(wen)(wen)合(he)金(jin)采用(yong)(yong)(yong)百(bai)分(fen)之99.999的(de)(de)(de)氮(dan)氣(qi)或氬氣(qi),鈦合(he)金(jin)采用(yong)(yong)(yong)百(bai)分(fen)之99.995的(de)(de)(de)氬氣(qi)。   11.升溫(wen)(wen):放入工件(jian)(jian)后,一般(ban)先預抽至6.67Pa時(shi)方可升溫(wen)(wen)加熱(re)(re)(re)(re)。   看完本文,相(xiang)信您(nin)對真(zhen)(zhen)空(kong)(kong)甩(shuai)帶(dai)爐(lu)(lu)熱(re)(re)(re)(re)處(chu)理技(ji)巧有一定(ding)的(de)(de)(de)認識了(le),如有產品方面的(de)(de)(de)需求,請立即聯(lian)系我們哦!

30 January 2019
真空甩帶爐進行熱處理時有哪些技巧

2018-04-30

真空燒結爐的熱處理特點

  真(zhen)(zhen)(zhen)空(kong)(kong)(kong)燒(shao)結(jie)爐(lu)(lu)的熱(re)(re)處(chu)(chu)理(li)(li)(li)(li)(li)特點(dian)(dian)   隨著(zhu)工(gong)(gong)業化的進程和(he)(he)(he)發(fa)展(zhan),真(zhen)(zhen)(zhen)空(kong)(kong)(kong)燒(shao)結(jie)爐(lu)(lu)在(zai)模(mo)具生(sheng)產中(zhong)(zhong)發(fa)揮著(zhu)不可(ke)(ke)替代(dai)的作用(yong)(yong),主(zhu)要用(yong)(yong)于陶(tao)瓷燒(shao)成、真(zhen)(zhen)(zhen)空(kong)(kong)(kong)冶煉、電真(zhen)(zhen)(zhen)空(kong)(kong)(kong)零件除氣、退火(huo)(huo)、金屬件的釬(han)焊(han),以及陶(tao)瓷-金屬封接等(deng)。   真(zhen)(zhen)(zhen)空(kong)(kong)(kong)燒(shao)結(jie)爐(lu)(lu)的真(zhen)(zhen)(zhen)空(kong)(kong)(kong)熱(re)(re)處(chu)(chu)理(li)(li)(li)(li)(li)幾乎可(ke)(ke)實(shi)現全部熱(re)(re)處(chu)(chu)理(li)(li)(li)(li)(li)工(gong)(gong)藝,如淬(cui)火(huo)(huo)、退火(huo)(huo)、回火(huo)(huo)、滲(shen)碳、氮化,在(zai)淬(cui)火(huo)(huo)工(gong)(gong)藝中(zhong)(zhong)可(ke)(ke)實(shi)現氣淬(cui)、油淬(cui)、硝鹽淬(cui)火(huo)(huo)、水淬(cui)等(deng),還可(ke)(ke)以進行真(zhen)(zhen)(zhen)空(kong)(kong)(kong)釬(han)焊(han)、燒(shao)結(jie)、表(biao)面處(chu)(chu)理(li)(li)(li)(li)(li)等(deng)。真(zhen)(zhen)(zhen)空(kong)(kong)(kong)爐(lu)(lu)熱(re)(re)效(xiao)率高(gao)(gao),可(ke)(ke)實(shi)現快速升溫和(he)(he)(he)降溫,可(ke)(ke)實(shi)現無(wu)氧(yang)化、無(wu)脫(tuo)碳、無(wu)滲(shen)碳,可(ke)(ke)去(qu)掉工(gong)(gong)件表(biao)面的磷(lin)屑(xie),并有脫(tuo)脂(zhi)除氣等(deng)作用(yong)(yong),從(cong)而達到表(biao)面光亮凈化的效(xiao)果。   一般來(lai)(lai)說,被處(chu)(chu)理(li)(li)(li)(li)(li)的工(gong)(gong)件在(zai)爐(lu)(lu)內加熱(re)(re)緩(huan)慢,內熱(re)(re)溫差較(jiao)小(xiao),熱(re)(re)應力小(xiao),因而變形小(xiao),可(ke)(ke)降低成本,有除氣作用(yong)(yong),從(cong)而提高(gao)(gao)了工(gong)(gong)作的機械(xie)性(xing)能和(he)(he)(he)使用(yong)(yong)壽命。使用(yong)(yong)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)燒(shao)結(jie)爐(lu)(lu)工(gong)(gong)作環(huan)境好(hao)(hao),操作安全,沒(mei)有污染和(he)(he)(he)公害。被處(chu)(chu)理(li)(li)(li)(li)(li)的工(gong)(gong)件沒(mei)有氫(qing)脆(cui)危險(xian),對(dui)鈦材(cai)和(he)(he)(he)難熔金屬殼防止表(biao)面氫(qing)脆(cui),真(zhen)(zhen)(zhen)空(kong)(kong)(kong)熱(re)(re)處(chu)(chu)理(li)(li)(li)(li)(li)工(gong)(gong)藝的穩(wen)定性(xing)和(he)(he)(he)重復性(xing)好(hao)(hao)。這一系(xi)列的優點(dian)(dian),開發(fa)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)熱(re)(re)處(chu)(chu)理(li)(li)(li)(li)(li)設備和(he)(he)(he)工(gong)(gong)藝被越(yue)(yue)來(lai)(lai)越(yue)(yue)重視和(he)(he)(he)應用(yong)(yong)越(yue)(yue)來(lai)(lai)越(yue)(yue)廣。   真(zhen)(zhen)(zhen)空(kong)(kong)(kong)燒(shao)結(jie)爐(lu)(lu)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)熱(re)(re)處(chu)(chu)理(li)(li)(li)(li)(li)即真(zhen)(zhen)(zhen)空(kong)(kong)(kong)技(ji)(ji)術與熱(re)(re)處(chu)(chu)理(li)(li)(li)(li)(li)兩個***相結(jie)合(he)的綜合(he)技(ji)(ji)術,是指熱(re)(re)處(chu)(chu)理(li)(li)(li)(li)(li)工(gong)(gong)藝的全部和(he)(he)(he)部分在(zai)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)狀態下進行的。我(wo)國將真(zhen)(zhen)(zhen)空(kong)(kong)(kong)劃分為(wei)低、中(zhong)(zhong)、高(gao)(gao)和(he)(he)(he)超高(gao)(gao)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)。

30 January 2019
真空燒結爐的熱處理特點

2018-04-23

真空甩帶爐熱處理爐特性

  真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)甩(shuai)(shuai)帶(dai)(dai)(dai)爐(lu)(lu)(lu)(lu)熱(re)(re)(re)(re)(re)(re)(re)(re)處理(li)(li)(li)(li)爐(lu)(lu)(lu)(lu)特(te)性   真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)甩(shuai)(shuai)帶(dai)(dai)(dai)爐(lu)(lu)(lu)(lu)熱(re)(re)(re)(re)(re)(re)(re)(re)處理(li)(li)(li)(li)爐(lu)(lu)(lu)(lu)特(te)性有哪些(xie)(xie)呢?今天八(ba)佳小(xiao)(xiao)編就和大(da)家(jia)說(shuo)說(shuo),我(wo)們做個(ge)(ge)詳細的(de)(de)(de)(de)(de)(de)(de)了(le)解。   (1) 嚴格的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)密(mi)(mi)封(feng)(feng):   眾所(suo)周知,金(jin)屬(shu)(shu)零件(jian)(jian)進行真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)熱(re)(re)(re)(re)(re)(re)(re)(re)處理(li)(li)(li)(li)均在(zai)(zai)(zai)(zai)密(mi)(mi)閉的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)爐(lu)(lu)(lu)(lu)內(nei)(nei)(nei)(nei)進行,因(yin)此(ci),獲得(de)和維持爐(lu)(lu)(lu)(lu)子原定的(de)(de)(de)(de)(de)(de)(de)漏氣(qi)率(lv),保證真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)爐(lu)(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)工(gong)作(zuo)(zuo)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)度,對(dui)(dui)確保零件(jian)(jian)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)熱(re)(re)(re)(re)(re)(re)(re)(re)處理(li)(li)(li)(li)的(de)(de)(de)(de)(de)(de)(de)質(zhi)量(liang)有著非常(chang)(chang)重要的(de)(de)(de)(de)(de)(de)(de)意義。所(suo)以真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)甩(shuai)(shuai)帶(dai)(dai)(dai)爐(lu)(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)一(yi)個(ge)(ge)關鍵(jian)問題,就是(shi)(shi)要有可靠的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)密(mi)(mi)封(feng)(feng)結(jie)構(gou)。為(wei)了(le)保證真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)爐(lu)(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)性能(neng)(neng)(neng),在(zai)(zai)(zai)(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)熱(re)(re)(re)(re)(re)(re)(re)(re)處理(li)(li)(li)(li)爐(lu)(lu)(lu)(lu)結(jie)構(gou)設(she)(she)計(ji)(ji)中必(bi)(bi)須遵循(xun)一(yi)個(ge)(ge)基本(ben)原則,就是(shi)(shi)爐(lu)(lu)(lu)(lu)體要采(cai)用(yong)氣(qi)密(mi)(mi)焊接(jie),同時(shi)(shi)在(zai)(zai)(zai)(zai)爐(lu)(lu)(lu)(lu)體上盡(jin)量(liang)少開(kai)(kai)或(huo)(huo)者不(bu)(bu)(bu)(bu)開(kai)(kai)孔,少采(cai)用(yong)或(huo)(huo)者避(bi)免采(cai)用(yong)動(dong)密(mi)(mi)封(feng)(feng)結(jie)構(gou),以盡(jin)量(liang)減少真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)泄漏的(de)(de)(de)(de)(de)(de)(de)機(ji)會。安裝(zhuang)在(zai)(zai)(zai)(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)爐(lu)(lu)(lu)(lu)體上的(de)(de)(de)(de)(de)(de)(de)部(bu)件(jian)(jian)、附(fu)件(jian)(jian)等如(ru)水冷(leng)(leng)(leng)電(dian)(dian)(dian)(dian)(dian)極(ji)、熱(re)(re)(re)(re)(re)(re)(re)(re)電(dian)(dian)(dian)(dian)(dian)偶導(dao)出(chu)裝(zhuang)置(zhi)也都(dou)必(bi)(bi)須設(she)(she)計(ji)(ji)密(mi)(mi)封(feng)(feng)結(jie)構(gou)。   (2)大(da)部(bu)分加(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)與(yu)隔(ge)(ge)熱(re)(re)(re)(re)(re)(re)(re)(re)材料(liao)只能(neng)(neng)(neng)在(zai)(zai)(zai)(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)狀(zhuang)態下(xia)使用(yong):   真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)甩(shuai)(shuai)帶(dai)(dai)(dai)爐(lu)(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)加(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)與(yu)隔(ge)(ge)熱(re)(re)(re)(re)(re)(re)(re)(re)襯料(liao)是(shi)(shi)在(zai)(zai)(zai)(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)與(yu)高(gao)(gao)溫下(xia)工(gong)作(zuo)(zuo)的(de)(de)(de)(de)(de)(de)(de),因(yin)而(er)對(dui)(dui)這(zhe)些(xie)(xie)材料(liao)提出(chu)了(le)耐(nai)高(gao)(gao)溫,蒸汽(qi)壓(ya)低,輻射效果好(hao),導(dao)熱(re)(re)(re)(re)(re)(re)(re)(re)系(xi)數(shu)小(xiao)(xiao)等要求(qiu)。對(dui)(dui)抗氧(yang)化性能(neng)(neng)(neng)要求(qiu)不(bu)(bu)(bu)(bu)高(gao)(gao)。所(suo)以,真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)熱(re)(re)(re)(re)(re)(re)(re)(re)處理(li)(li)(li)(li)爐(lu)(lu)(lu)(lu)廣(guang)泛地采(cai)用(yong)了(le)鉭、鎢、鉬(mu)和石墨(mo)等作(zuo)(zuo)加(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)與(yu)隔(ge)(ge)熱(re)(re)(re)(re)(re)(re)(re)(re)構(gou)料(liao)。這(zhe)些(xie)(xie)材料(liao)在(zai)(zai)(zai)(zai)大(da)氣(qi)狀(zhuang)態下(xia)極(ji)易(yi)(yi)氧(yang)化,因(yin)此(ci),常(chang)(chang)規熱(re)(re)(re)(re)(re)(re)(re)(re)處理(li)(li)(li)(li)爐(lu)(lu)(lu)(lu)是(shi)(shi)不(bu)(bu)(bu)(bu)能(neng)(neng)(neng)采(cai)用(yong)這(zhe)些(xie)(xie)加(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)與(yu)隔(ge)(ge)熱(re)(re)(re)(re)(re)(re)(re)(re)材料(liao)。   (3)水冷(leng)(leng)(leng)裝(zhuang)置(zhi):   真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)甩(shuai)(shuai)帶(dai)(dai)(dai)爐(lu)(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)爐(lu)(lu)(lu)(lu)殼、爐(lu)(lu)(lu)(lu)蓋、電(dian)(dian)(dian)(dian)(dian)熱(re)(re)(re)(re)(re)(re)(re)(re)元(yuan)(yuan)件(jian)(jian),分別處置(zhi)(水冷(leng)(leng)(leng)電(dian)(dian)(dian)(dian)(dian)極(ji))、中間真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)隔(ge)(ge)熱(re)(re)(re)(re)(re)(re)(re)(re)門等部(bu)件(jian)(jian),均在(zai)(zai)(zai)(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)、受熱(re)(re)(re)(re)(re)(re)(re)(re)狀(zhuang)態下(xia)工(gong)作(zuo)(zuo)。在(zai)(zai)(zai)(zai)這(zhe)種極(ji)為(wei)不(bu)(bu)(bu)(bu)利(li)的(de)(de)(de)(de)(de)(de)(de)條(tiao)件(jian)(jian)下(xia)工(gong)作(zuo)(zuo),必(bi)(bi)須保證各部(bu)件(jian)(jian)的(de)(de)(de)(de)(de)(de)(de)結(jie)構(gou)不(bu)(bu)(bu)(bu)變形、不(bu)(bu)(bu)(bu)損壞,真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)密(mi)(mi)封(feng)(feng)圈不(bu)(bu)(bu)(bu)過熱(re)(re)(re)(re)(re)(re)(re)(re)、不(bu)(bu)(bu)(bu)燒(shao)毀。因(yin)此(ci),各部(bu)件(jian)(jian)應(ying)該根據不(bu)(bu)(bu)(bu)同的(de)(de)(de)(de)(de)(de)(de)情況設(she)(she)置(zhi)水冷(leng)(leng)(leng)裝(zhuang)置(zhi),以保證真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)熱(re)(re)(re)(re)(re)(re)(re)(re)處理(li)(li)(li)(li)爐(lu)(lu)(lu)(lu)能(neng)(neng)(neng)夠(gou)正常(chang)(chang)運行并有足夠(gou)的(de)(de)(de)(de)(de)(de)(de)使用(yong)壽命。   (4)采(cai)用(yong)低電(dian)(dian)(dian)(dian)(dian)壓(ya)大(da)電(dian)(dian)(dian)(dian)(dian)流(liu):   在(zai)(zai)(zai)(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)容器(qi)內(nei)(nei)(nei)(nei),當真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)空(kong)(kong)(kong)(kong)度為(wei)幾(ji)托(tuo)一(yi)lxlo-1托(tuo)的(de)(de)(de)(de)(de)(de)(de)范圍內(nei)(nei)(nei)(nei)時(shi)(shi),真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)容器(qi)內(nei)(nei)(nei)(nei)的(de)(de)(de)(de)(de)(de)(de)通電(dian)(dian)(dian)(dian)(dian)導(dao)體在(zai)(zai)(zai)(zai)較高(gao)(gao)的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)壓(ya)下(xia),會產生(sheng)輝(hui)光(guang)放(fang)電(dian)(dian)(dian)(dian)(dian)現象。在(zai)(zai)(zai)(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)熱(re)(re)(re)(re)(re)(re)(re)(re)處理(li)(li)(li)(li)爐(lu)(lu)(lu)(lu)內(nei)(nei)(nei)(nei),嚴重的(de)(de)(de)(de)(de)(de)(de)會產生(sheng)弧光(guang)放(fang)電(dian)(dian)(dian)(dian)(dian),燒(shao)毀電(dian)(dian)(dian)(dian)(dian)熱(re)(re)(re)(re)(re)(re)(re)(re)元(yuan)(yuan)件(jian)(jian)、隔(ge)(ge)熱(re)(re)(re)(re)(re)(re)(re)(re)層等,造成(cheng)重大(da)事故(gu)和損失。因(yin)此(ci),真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)熱(re)(re)(re)(re)(re)(re)(re)(re)處理(li)(li)(li)(li)爐(lu)(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)熱(re)(re)(re)(re)(re)(re)(re)(re)元(yuan)(yuan)件(jian)(jian)的(de)(de)(de)(de)(de)(de)(de)工(gong)作(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)壓(ya),一(yi)般都(dou)不(bu)(bu)(bu)(bu)超過80-100伏。同時(shi)(shi)在(zai)(zai)(zai)(zai)電(dian)(dian)(dian)(dian)(dian)熱(re)(re)(re)(re)(re)(re)(re)(re)元(yuan)(yuan)件(jian)(jian)結(jie)構(gou)設(she)(she)計(ji)(ji)時(shi)(shi)要采(cai)取有效措施(shi),如(ru)盡(jin)量(liang)避(bi)免有***的(de)(de)(de)(de)(de)(de)(de)部(bu)件(jian)(jian),電(dian)(dian)(dian)(dian)(dian)極(ji)間的(de)(de)(de)(de)(de)(de)(de)間距不(bu)(bu)(bu)(bu)能(neng)(neng)(neng)太小(xiao)(xiao)窄(zhai),以防(fang)止輝(hui)光(guang)放(fang)電(dian)(dian)(dian)(dian)(dian)或(huo)(huo)者弧光(guang)放(fang)電(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)(de)(de)(de)發(fa)生(sheng)。   (5)自(zi)動(dong)化程(cheng)度高(gao)(gao):   真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)熔煉爐(lu)(lu)(lu)(lu)的(de)(de)(de)(de)(de)(de)(de)自(zi)動(dong)化程(cheng)度之(zhi)所(suo)以較高(gao)(gao),是(shi)(shi)因(yin)為(wei)金(jin)屬(shu)(shu)工(gong)件(jian)(jian)的(de)(de)(de)(de)(de)(de)(de)加(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)、冷(leng)(leng)(leng)卻等操作(zuo)(zuo),需要十(shi)幾(ji)個(ge)(ge)甚至幾(ji)十(shi)個(ge)(ge)動(dong)作(zuo)(zuo)來完(wan)(wan)成(cheng)。這(zhe)些(xie)(xie)動(dong)作(zuo)(zuo)內(nei)(nei)(nei)(nei)在(zai)(zai)(zai)(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)熱(re)(re)(re)(re)(re)(re)(re)(re)處理(li)(li)(li)(li)爐(lu)(lu)(lu)(lu)內(nei)(nei)(nei)(nei)進行,操作(zuo)(zuo)人(ren)員(yuan)(yuan)無(wu)法接(jie)近(jin)。同時(shi)(shi),有些(xie)(xie)動(dong)作(zuo)(zuo)如(ru)加(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)保溫結(jie)束后(hou),金(jin)屬(shu)(shu)工(gong)件(jian)(jian)進行淬火工(gong)序(xu)須六(liu)個(ge)(ge)動(dong)作(zuo)(zuo)并且要在(zai)(zai)(zai)(zai)15秒鐘以內(nei)(nei)(nei)(nei)完(wan)(wan)成(cheng)。在(zai)(zai)(zai)(zai)這(zhe)樣迅速的(de)(de)(de)(de)(de)(de)(de)條(tiao)件(jian)(jian)來完(wan)(wan)成(cheng)許多動(dong)作(zuo)(zuo),是(shi)(shi)很容易(yi)(yi)造成(cheng)操作(zuo)(zuo)人(ren)員(yuan)(yuan)的(de)(de)(de)(de)(de)(de)(de)緊張而(er)構(gou)成(cheng)誤操作(zuo)(zuo)。因(yin)此(ci),只有較高(gao)(gao)的(de)(de)(de)(de)(de)(de)(de)自(zi)動(dong)化才能(neng)(neng)(neng)準確、及時(shi)(shi)按(an)程(cheng)序(xu)協調動(dong)。

23 January 2019
真空甩帶爐熱處理爐特性

2018-04-23

真空燒結爐的熱處理技巧

  真(zhen)空(kong)(kong)(kong)(kong)燒結(jie)(jie)爐的(de)熱(re)(re)處(chu)(chu)(chu)(chu)理(li)(li)技巧   真(zhen)空(kong)(kong)(kong)(kong)熱(re)(re)處(chu)(chu)(chu)(chu)理(li)(li)即真(zhen)空(kong)(kong)(kong)(kong)技術(shu)與熱(re)(re)處(chu)(chu)(chu)(chu)理(li)(li)兩(liang)個(ge)***相(xiang)結(jie)(jie)合的(de)綜合技術(shu),是(shi)指熱(re)(re)處(chu)(chu)(chu)(chu)理(li)(li)工(gong)藝的(de)全部(bu)和(he)部(bu)分在真(zhen)空(kong)(kong)(kong)(kong)狀(zhuang)(zhuang)態下進行的(de)。我國(guo)將(jiang)真(zhen)空(kong)(kong)(kong)(kong)劃分為低(di)、中、高(gao)和(he)超高(gao)真(zhen)空(kong)(kong)(kong)(kong)。   真(zhen)空(kong)(kong)(kong)(kong)燒結(jie)(jie)爐和(he)中頻電(dian)(dian)爐在熱(re)(re)加(jia)(jia)工(gong)領域有著很(hen)好(hao)的(de)發展前(qian)景(jing),用于:透熱(re)(re)、軋(ya)制、鍛造、彎管、熱(re)(re)處(chu)(chu)(chu)(chu)理(li)(li)(淬(cui)火(huo))、焊接等工(gong)藝的(de)感應加(jia)(jia)熱(re)(re)。那么(me)(me)真(zhen)空(kong)(kong)(kong)(kong)爐和(he)中頻電(dian)(dian)爐的(de)熱(re)(re)處(chu)(chu)(chu)(chu)理(li)(li)技巧是(shi)什么(me)(me)呢1.真(zhen)空(kong)(kong)(kong)(kong)燒結(jie)(jie)爐處(chu)(chu)(chu)(chu)理(li)(li)鈦(tai)合金時(shi)(shi)(shi)(shi),不宜用氮(dan)氣(qi)(qi)(qi)作為冷(leng)(leng)卻(que)氣(qi)(qi)(qi)體,因(yin)為鈦(tai)和(he)氮(dan)在高(gao)溫(wen)(wen)下反應,形(xing)成金黃(huang)色(se)的(de)氮(dan)化(hua)鈦(tai)。   2.真(zhen)空(kong)(kong)(kong)(kong)爐活(huo)動連接部(bu)分全部(bu)采用O型橡膠圈密(mi)封連接,此部(bu)分均通水(shui)冷(leng)(leng)卻(que)。   3.工(gong)件在真(zhen)空(kong)(kong)(kong)(kong)狀(zhuang)(zhuang)態下淬(cui)火(huo),應使用真(zhen)空(kong)(kong)(kong)(kong)淬(cui)火(huo)油,此油具有較低(di)的(de)飽和(he)蒸(zheng)氣(qi)(qi)(qi)壓。   4.真(zhen)空(kong)(kong)(kong)(kong)燒結(jie)(jie)爐的(de)保養應在真(zhen)空(kong)(kong)(kong)(kong)或充純(chun)氮(dan)狀(zhuang)(zhuang)態下,避免平(ping)時(shi)(shi)(shi)(shi)不用時(shi)(shi)(shi)(shi)吸氣(qi)(qi)(qi),吸潮(chao)。   5.國(guo)內真(zhen)空(kong)(kong)(kong)(kong)爐的(de)壓升率應不大于1.33Pa/h,國(guo)外某些企業(ye)的(de)標準為6.真(zhen)空(kong)(kong)(kong)(kong)加(jia)(jia)熱(re)(re)以(yi)輻射為主,工(gong)件在爐內應該保持間距。   7.升溫(wen)(wen)過程中,工(gong)件及(ji)爐內材料會放氣(qi)(qi)(qi),使真(zhen)空(kong)(kong)(kong)(kong)度下降。   8.真(zhen)空(kong)(kong)(kong)(kong)回(hui)火(huo)、真(zhen)空(kong)(kong)(kong)(kong)退(tui)火(huo)、真(zhen)空(kong)(kong)(kong)(kong)固溶(rong)處(chu)(chu)(chu)(chu)理(li)(li)及(ji)真(zhen)空(kong)(kong)(kong)(kong)時(shi)(shi)(shi)(shi)效的(de)加(jia)(jia)熱(re)(re)溫(wen)(wen)度一(yi)(yi)般與常規處(chu)(chu)(chu)(chu)理(li)(li)時(shi)(shi)(shi)(shi)加(jia)(jia)熱(re)(re)溫(wen)(wen)度相(xiang)同。   9.回(hui)火(huo)應該具有快冷(leng)(leng)裝置(zhi)。冷(leng)(leng)卻(que)水(shui)的(de)壓力應該大于0.2Mpa,流量應可調。   10.升溫(wen)(wen):真(zhen)空(kong)(kong)(kong)(kong)甩帶爐放入工(gong)件后,一(yi)(yi)般先預(yu)抽至6.67Pa時(shi)(shi)(shi)(shi)方可升溫(wen)(wen)加(jia)(jia)熱(re)(re)。

23 January 2019
真空燒結爐的熱處理技巧

2018-04-19

熔鹽電解爐電解煉鎂

  熔(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)解(jie)(jie)爐(lu)電(dian)(dian)(dian)(dian)解(jie)(jie)煉(lian)(lian)鎂(mei)(mei)(mei)(mei)(mei)(mei)   熔(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)解(jie)(jie)爐(lu)是一(yi)種利(li)用(yong)電(dian)(dian)(dian)(dian)化(hua)學原(yuan)(yuan)理,采用(yong)熔(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)解(jie)(jie)法生(sheng)產高純(chun)金(jin)屬(shu)(shu)(shu)的(de)(de)(de)裝(zhuang)(zhuang)置。把金(jin)屬(shu)(shu)(shu)氯(lv)化(hua)物作為原(yuan)(yuan)料(liao)(liao)裝(zhuang)(zhuang)入本(ben)熔(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)解(jie)(jie)爐(lu)中,即可生(sheng)產出(chu)對應金(jin)屬(shu)(shu)(shu)氯(lv)化(hua)物的(de)(de)(de)高純(chun)金(jin)屬(shu)(shu)(shu)。今天(tian)就(jiu)講(jiang)下熔(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)解(jie)(jie)法煉(lian)(lian)鎂(mei)(mei)(mei)(mei)(mei)(mei)。   熔(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)解(jie)(jie)爐(lu)電(dian)(dian)(dian)(dian)解(jie)(jie)煉(lian)(lian)鎂(mei)(mei)(mei)(mei)(mei)(mei)是指含鎂(mei)(mei)(mei)(mei)(mei)(mei)物料(liao)(liao)經(jing)氯(lv)化(hua)鎂(mei)(mei)(mei)(mei)(mei)(mei)制(zhi)(zhi)取(qu)(qu)(qu)、氯(lv)化(hua)鎂(mei)(mei)(mei)(mei)(mei)(mei)熔(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)解(jie)(jie)產出(chu)金(jin)屬(shu)(shu)(shu)鎂(mei)(mei)(mei)(mei)(mei)(mei)的(de)(de)(de)鎂(mei)(mei)(mei)(mei)(mei)(mei)冶煉(lian)(lian)方(fang)法。熔(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)解(jie)(jie)法煉(lian)(lian)鎂(mei)(mei)(mei)(mei)(mei)(mei)成本(ben)低,原(yuan)(yuan)料(liao)(liao)來(lai)(lai)源廣泛,是當今生(sheng)產金(jin)屬(shu)(shu)(shu)鎂(mei)(mei)(mei)(mei)(mei)(mei)的(de)(de)(de)主要(yao)方(fang)法,其生(sheng)產的(de)(de)(de)金(jin)屬(shu)(shu)(shu)鎂(mei)(mei)(mei)(mei)(mei)(mei)約占鎂(mei)(mei)(mei)(mei)(mei)(mei)總(zong)產量的(de)(de)(de)3/4。   自熔(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)解(jie)(jie)爐(lu)電(dian)(dian)(dian)(dian)解(jie)(jie)法煉(lian)(lian)鎂(mei)(mei)(mei)(mei)(mei)(mei)工業(ye)化(hua)以(yi)(yi)(yi)(yi)來(lai)(lai),鎂(mei)(mei)(mei)(mei)(mei)(mei)電(dian)(dian)(dian)(dian)解(jie)(jie)生(sheng)產技術(shu)有了(le)很大發展,主要(yao)表現在改進(jin)電(dian)(dian)(dian)(dian)解(jie)(jie)槽結構、增大電(dian)(dian)(dian)(dian)流強(qiang)度(由(you)300A增大至10萬A以(yi)(yi)(yi)(yi)上,個別的(de)(de)(de)如挪(nuo)威則增至29-30萬A)、降(jiang)低電(dian)(dian)(dian)(dian)耗(由(you)35-40kW·h/kg降(jiang)為12.8-16.5kW·h/kg)和利(li)用(yong)多種資源制(zhi)(zhi)取(qu)(qu)(qu)氯(lv)化(hua)鎂(mei)(mei)(mei)(mei)(mei)(mei)的(de)(de)(de)工藝(yi)改進(jin)及開發應用(yong)新(xin)(xin)技術(shu)等(deng)方(fang)面(mian)。   熔(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)解(jie)(jie)爐(lu)電(dian)(dian)(dian)(dian)解(jie)(jie)煉(lian)(lian)鎂(mei)(mei)(mei)(mei)(mei)(mei)使(shi)用(yong)的(de)(de)(de)原(yuan)(yuan)料(liao)(liao)為氯(lv)化(hua)鎂(mei)(mei)(mei)(mei)(mei)(mei),它(ta)是以(yi)(yi)(yi)(yi)海水(shui)(shui)(shui)、鹽(yan)(yan)(yan)湖鹵水(shui)(shui)(shui)、光鹵石、菱鎂(mei)(mei)(mei)(mei)(mei)(mei)礦和海水(shui)(shui)(shui)、白(bai)云石制(zhi)(zhi)取(qu)(qu)(qu)的(de)(de)(de)氧(yang)化(hua)鎂(mei)(mei)(mei)(mei)(mei)(mei)為原(yuan)(yuan)料(liao)(liao),經(jing)脫水(shui)(shui)(shui)或氯(lv)化(hua)制(zhi)(zhi)得的(de)(de)(de)。70年(nian)代(dai)以(yi)(yi)(yi)(yi)來(lai)(lai),在制(zhi)(zhi)取(qu)(qu)(qu)氯(lv)化(hua)鎂(mei)(mei)(mei)(mei)(mei)(mei)的(de)(de)(de)工藝(yi)和裝(zhuang)(zhuang)備(bei)等(deng)方(fang)面(mian)有了(le)很大改進(jin),技術(shu)經(jing)濟指標也不斷(duan)在提高。特(te)別是20世紀70年(nian)代(dai)末出(chu)現新(xin)(xin)的(de)(de)(de)氯(lv)化(hua)鎂(mei)(mei)(mei)(mei)(mei)(mei)制(zhi)(zhi)取(qu)(qu)(qu)方(fang)法,如挪(nuo)威的(de)(de)(de)鹵水(shui)(shui)(shui)氯(lv)化(hua)氫法徹底(di)脫水(shui)(shui)(shui),以(yi)(yi)(yi)(yi)及英國礦物處理特(te)許有限公司(si)(MPLC)以(yi)(yi)(yi)(yi)菱鎂(mei)(mei)(mei)(mei)(mei)(mei)礦為原(yuan)(yuan)料(liao)(liao),一(yi)氧(yang)化(hua)碳(tan)為還原(yuan)(yuan)劑經(jing)氯(lv)化(hua)制(zhi)(zhi)取(qu)(qu)(qu)無水(shui)(shui)(shui)氯(lv)化(hua)鎂(mei)(mei)(mei)(mei)(mei)(mei)的(de)(de)(de)新(xin)(xin)方(fang)法,將進(jin)一(yi)步推(tui)動熔(rong)鹽(yan)(yan)(yan)電(dian)(dian)(dian)(dian)解(jie)(jie)法煉(lian)(lian)鎂(mei)(mei)(mei)(mei)(mei)(mei)工業(ye)的(de)(de)(de)發展。

19 January 2019
熔鹽電解爐電解煉鎂

2018-04-19

為什么要選擇真空燒結爐

  為什么要選擇真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)燒(shao)(shao)(shao)(shao)(shao)結爐(lu)(lu)?   真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)燒(shao)(shao)(shao)(shao)(shao)結爐(lu)(lu)是在(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)的(de)(de)(de)(de)(de)環境中(zhong)對(dui)(dui)被(bei)加(jia)(jia)熱(re)(re)(re)(re)(re)的(de)(de)(de)(de)(de)物品進行保護(hu)性(xing)(xing)(xing)燒(shao)(shao)(shao)(shao)(shao)結的(de)(de)(de)(de)(de)一(yi)類爐(lu)(lu)子,其加(jia)(jia)熱(re)(re)(re)(re)(re)方式是有很多種的(de)(de)(de)(de)(de),例如(ru),電(dian)(dian)阻加(jia)(jia)熱(re)(re)(re)(re)(re)、感應加(jia)(jia)熱(re)(re)(re)(re)(re)、微(wei)波加(jia)(jia)熱(re)(re)(re)(re)(re)等。   由于(yu)(yu)(yu)工(gong)藝(yi)上的(de)(de)(de)(de)(de)耐熱(re)(re)(re)(re)(re)性(xing)(xing)(xing),絕緣性(xing)(xing)(xing)和(he)(he)(he)優異的(de)(de)(de)(de)(de)可(ke)靠性(xing)(xing)(xing)設計(ji)(ji)使(shi)得真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)燒(shao)(shao)(shao)(shao)(shao)結爐(lu)(lu)成(cheng)(cheng)為了陶瓷(ci)材料制(zhi)造的(de)(de)(de)(de)(de)***。如(ru)果(guo)沒有對(dui)(dui)比就(jiu)更(geng)(geng)(geng)(geng)顯不出(chu)來(lai)燒(shao)(shao)(shao)(shao)(shao)結爐(lu)(lu)這(zhe)種技術工(gong)藝(yi)的(de)(de)(de)(de)(de)特(te)(te)點和(he)(he)(he)***性(xing)(xing)(xing)能。尤其是改進后的(de)(de)(de)(de)(de)新型(xing)電(dian)(dian)極(ji)結構(gou)杜絕了高溫(wen)爐(lu)(lu)電(dian)(dian)極(ji)的(de)(de)(de)(de)(de)漏水現(xian)(xian)(xian)象,對(dui)(dui)于(yu)(yu)(yu)加(jia)(jia)熱(re)(re)(re)(re)(re)系統中(zhong)的(de)(de)(de)(de)(de)易(yi)(yi)損件,也(ye)更(geng)(geng)(geng)(geng)容易(yi)(yi)更(geng)(geng)(geng)(geng)換和(he)(he)(he)維護(hu)。   據使(shi)用(yong)者了解(jie),在(zai)抽真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)后充(chong)氫氣的(de)(de)(de)(de)(de)保護(hu)狀態下,真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)燒(shao)(shao)(shao)(shao)(shao)結爐(lu)(lu)利(li)用(yong)中(zhong)頻(pin)感應加(jia)(jia)熱(re)(re)(re)(re)(re)的(de)(de)(de)(de)(de)原(yuan)(yuan)理,使(shi)處于(yu)(yu)(yu)線圈內的(de)(de)(de)(de)(de)鎢(wu)坩堝(guo)產(chan)生(sheng)高溫(wen)并通過熱(re)(re)(re)(re)(re)輻射傳導到工(gong)作上。適用(yong)于(yu)(yu)(yu)科研、軍工(gong)單位(wei)對(dui)(dui)難(nan)熔合(he)(he)(he)(he)金(jin)(jin)如(ru)鎢(wu)鉬及(ji)其合(he)(he)(he)(he)金(jin)(jin)的(de)(de)(de)(de)(de)粉末成(cheng)(cheng)型(xing)燒(shao)(shao)(shao)(shao)(shao)結。同時,真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)燒(shao)(shao)(shao)(shao)(shao)結爐(lu)(lu)在(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)或保護(hu)氣氛條件下利(li)用(yong)中(zhong)頻(pin)感應加(jia)(jia)熱(re)(re)(re)(re)(re)的(de)(de)(de)(de)(de)原(yuan)(yuan)理,使(shi)硬(ying)質合(he)(he)(he)(he)金(jin)(jin)刀(dao)頭及(ji)各種金(jin)(jin)屬粉末壓制(zhi)體(ti)實現(xian)(xian)(xian)燒(shao)(shao)(shao)(shao)(shao)結的(de)(de)(de)(de)(de)成(cheng)(cheng)套設備,是為硬(ying)質合(he)(he)(he)(he)金(jin)(jin)、金(jin)(jin)屬鏑(di)以及(ji)陶瓷(ci)材料的(de)(de)(de)(de)(de)工(gong)業生(sheng)產(chan)而設計(ji)(ji)的(de)(de)(de)(de)(de)。   此外,真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)燒(shao)(shao)(shao)(shao)(shao)結爐(lu)(lu)現(xian)(xian)(xian)如(ru)今被(bei)廣(guang)泛(fan)的(de)(de)(de)(de)(de)應用(yong)于(yu)(yu)(yu)碳化硅(gui)陶瓷(ci)的(de)(de)(de)(de)(de)反應燒(shao)(shao)(shao)(shao)(shao)結工(gong)藝(yi),同時也(ye)可(ke)用(yong)于(yu)(yu)(yu)特(te)(te)種陶瓷(ci)材料,硬(ying)質合(he)(he)(he)(he)金(jin)(jin),陶瓷(ci)金(jin)(jin)屬復合(he)(he)(he)(he)材料以及(ji)難(nan)熔金(jin)(jin)屬組成(cheng)(cheng)的(de)(de)(de)(de)(de)合(he)(he)(he)(he)金(jin)(jin)材料的(de)(de)(de)(de)(de)高溫(wen)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)燒(shao)(shao)(shao)(shao)(shao)結。針對(dui)(dui)一(yi)些材料的(de)(de)(de)(de)(de)高溫(wen)燒(shao)(shao)(shao)(shao)(shao)結工(gong)藝(yi)使(shi)得真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)燒(shao)(shao)(shao)(shao)(shao)結爐(lu)(lu)具備不錯的(de)(de)(de)(de)(de)耐熱(re)(re)(re)(re)(re)性(xing)(xing)(xing)、絕緣性(xing)(xing)(xing)以及(ji)可(ke)靠性(xing)(xing)(xing)的(de)(de)(de)(de)(de)設計(ji)(ji)。新型(xing)電(dian)(dian)極(ji)結構(gou)杜絕了高溫(wen)爐(lu)(lu)電(dian)(dian)極(ji)的(de)(de)(de)(de)(de)漏水現(xian)(xian)(xian)象,并且(qie)可(ke)以加(jia)(jia)熱(re)(re)(re)(re)(re)系統中(zhong)的(de)(de)(de)(de)(de)易(yi)(yi)損部(bu)件,也(ye)更(geng)(geng)(geng)(geng)便于(yu)(yu)(yu)維修(xiu)和(he)(he)(he)更(geng)(geng)(geng)(geng)換。   正因如(ru)此,真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)燒(shao)(shao)(shao)(shao)(shao)結爐(lu)(lu)也(ye)大(da)大(da)降(jiang)低了客(ke)戶(hu)的(de)(de)(de)(de)(de)運(yun)行成(cheng)(cheng)本(ben)(ben)(ben)和(he)(he)(he)維護(hu)成(cheng)(cheng)本(ben)(ben)(ben),使(shi)得生(sheng)產(chan)變得易(yi)(yi)于(yu)(yu)(yu)控制(zhi)。基本(ben)(ben)(ben)上杜絕了一(yi)出(chu)問題歇幾(ji)天,等待廠(chang)家派出(chu)技術人員前來(lai)排(pai)除故(gu)障恢復生(sheng)產(chan)的(de)(de)(de)(de)(de)情況。基本(ben)(ben)(ben)問題都(dou)能夠使(shi)客(ke)戶(hu)在(zai)經(jing)過簡單的(de)(de)(de)(de)(de)培訓后獨(du)立解(jie)決問題,達到一(yi)般問題不用(yong)跑,大(da)的(de)(de)(de)(de)(de)問題有維保的(de)(de)(de)(de)(de)效果(guo)。

19 January 2019
為什么要選擇真空燒結爐

2018-04-09

有哪些材料不適合用真空燒結爐處理

  有(you)哪些材(cai)料(liao)(liao)不(bu)適合(he)用(yong)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)燒結爐(lu)(lu)(lu)(lu)處(chu)理(li)(li)   真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)燒結爐(lu)(lu)(lu)(lu)主要(yao)(yao)是(shi)(shi)用(yong)來處(chu)理(li)(li)金(jin)(jin)屬(shu)材(cai)料(liao)(liao)的(de)。很多(duo)金(jin)(jin)屬(shu)材(cai)料(liao)(liao)都是(shi)(shi)通(tong)過高(gao)(gao)溫(wen)(wen)來加工(gong)(gong)或作其他生產。那(nei)么,是(shi)(shi)否有(you)某一類(lei)金(jin)(jin)屬(shu)材(cai)料(liao)(liao)不(bu)能在(zai)(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)爐(lu)(lu)(lu)(lu)中熱處(chu)理(li)(li)呢(ni)?   從理(li)(li)論上講,金(jin)(jin)屬(shu)材(cai)料(liao)(liao)都可以(yi)在(zai)(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)燒結爐(lu)(lu)(lu)(lu)中熱處(chu)理(li)(li)。但因技(ji)術要(yao)(yao)求(qiu)、加工(gong)(gong)成本(ben)、工(gong)(gong)藝(yi)實(shi)(shi)現的(de)難易(yi)程度(du)等原因,下(xia)列材(cai)料(liao)(liao)(工(gong)(gong)件(jian))不(bu)宜(yi)(yi)在(zai)(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)爐(lu)(lu)(lu)(lu)中熱處(chu)理(li)(li)。   1.高(gao)(gao)溫(wen)(wen)對N元素敏感,易(yi)形成有(you)害效果的(de)材(cai)料(liao)(liao)。真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)爐(lu)(lu)(lu)(lu)為防止合(he)金(jin)(jin)元素高(gao)(gao)溫(wen)(wen)時(shi)(shi)揮(hui)發,通(tong)常(chang)在(zai)(zai)高(gao)(gao)溫(wen)(wen)下(xia)充高(gao)(gao)純氮氣保持(chi)分壓(ya),冷卻時(shi)(shi)一般(ban)采(cai)用(yong)充氮冷卻。故(gu)該(gai)類(lei)材(cai)料(liao)(liao)不(bu)宜(yi)(yi)用(yong)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)爐(lu)(lu)(lu)(lu)處(chu)理(li)(li)。   2.碳素鋼。從成本(ben)角(jiao)度(du)考慮,碳鋼價格(ge)較(jiao)低,成品件(jian)價格(ge)較(jiao)低,用(yong)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)燒結爐(lu)(lu)(lu)(lu)處(chu)理(li)(li)實(shi)(shi)屬(shu)浪費(fei),除(chu)非高(gao)(gao)利潤工(gong)(gong)件(jian)或者工(gong)(gong)件(jian)已經沒有(you)加工(gong)(gong)余(yu)量,對表面質量要(yao)(yao)求(qiu)苛刻時(shi)(shi)的(de)權宜(yi)(yi)之計(ji)。   3.某些使用(yong)特殊(shu)工(gong)(gong)藝(yi)的(de)材(cai)料(liao)(liao)(工(gong)(gong)件(jian))。比如為獲取好的(de)機(ji)械性(xing)能,有(you)些工(gong)(gong)件(jian)要(yao)(yao)求(qiu)獲得(de)(de)貝氏體,一般(ban)用(yong)等溫(wen)(wen)淬火來實(shi)(shi)現,真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)燒結爐(lu)(lu)(lu)(lu)很難實(shi)(shi)現;再如T10鋼,要(yao)(yao)求(qiu)高(gao)(gao)硬(ying)度(du)、低變形,一般(ban)用(yong)水淬油(you)冷工(gong)(gong)藝(yi)實(shi)(shi)現,真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)爐(lu)(lu)(lu)(lu)雖(sui)然可以(yi)用(yong)高(gao)(gao)壓(ya)氣淬獲得(de)(de)高(gao)(gao)硬(ying)度(du),但因在(zai)(zai)Ms點以(yi)下(xia)溫(wen)(wen)度(du)冷速較(jiao)快(kuai),變形較(jiao)大(da)。   好了,總結的(de)以(yi)上三種材(cai)料(liao)(liao)就是(shi)(shi)不(bu)宜(yi)(yi)在(zai)(zai)真(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)燒結爐(lu)(lu)(lu)(lu)中處(chu)理(li)(li)的(de)金(jin)(jin)屬(shu)材(cai)料(liao)(liao)了。

09 January 2019
有哪些材料不適合用真空燒結爐處理
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