西安常見多工位虎鉗
多(duo)工(gong)位虎(hu)鉗(qian)(qian)(qian)夾(jia)裝(zhuang)鋼(gang)(gang)(gang)件(jian)要注意什么問題？多(duo)工(gong)位虎(hu)鉗(qian)(qian)(qian)夾(jia)裝(zhuang)鋼(gang)(gang)(gang)件(jian)時(shi)注意的(de)(de)問題：為了能裝(zhuang)夾(jia)得(de)牢固(gu)，防止刨削時(shi)鋼(gang)(gang)(gang)件(jian)松動，必須(xu)把(ba)比較干整的(de)(de)平面貼(tie)緊在墊(dian)鐵和鉗(qian)(qian)(qian)口(kou)上(shang)(shang)。要使(shi)鋼(gang)(gang)(gang)件(jian)貼(tie)緊在墊(dian)鐵上(shang)(shang)，應該(gai)一面夾(jia)緊，一面用手錘輕擊(ji)鋼(gang)(gang)(gang)件(jian)的(de)(de)子(zi)面，光潔(jie)的(de)(de)平面要用銅(tong)棒進行敲擊(ji)以防止敲傷光潔(jie)表(biao)(biao)面。為了不(bu)使(shi)鉗(qian)(qian)(qian)口(kou)損壞和保(bao)持已(yi)加(jia)工(gong)表(biao)(biao)面，夾(jia)緊鋼(gang)(gang)(gang)件(jian)時(shi)在鉗(qian)(qian)(qian)口(kou)處墊(dian)上(shang)(shang)銅(tong)片。剛性不(bu)足的(de)(de)：鋼(gang)(gang)(gang)件(jian)需要支實，以免夾(jia)緊力(li)使(shi)鋼(gang)(gang)(gang)件(jian)變(bian)形(xing)。鋼(gang)(gang)(gang)件(jian)的(de)(de)被加(jia)工(gong)面必須(xu)高出鉗(qian)(qian)(qian)口(kou)，否(fou)則就要用平行墊(dian)鐵墊(dian)高鋼(gang)(gang)(gang)件(jian)。多(duo)工(gong)位虎(hu)鉗(qian)(qian)(qian)用百分表(biao)(biao)校(xiao)正(zheng)固(gu)定鉗(qian)(qian)(qian)口(kou)與(yu)銑床(chuang)主軸軸線平行時(shi)，可將磁性表(biao)(biao)座吸在床(chuang)身垂直導軌面上(shang)(shang)，橫向移動工(gong)作臺進行，校(xiao)正(zheng)的(de)(de)方法相同。高精密(mi)多(duo)工(gong)位虎(hu)鉗(qian)(qian)(qian)的(de)(de)結構與(yu)普通鉗(qian)(qian)(qian)結構類似(si)。西安常見多(duo)工(gong)位虎(hu)鉗(qian)(qian)(qian)
多工位虎鉗多(duo)(duo)工(gong)位(wei)虎(hu)鉗(qian)(qian)(qian)(qian)夾(jia)裝(zhuang)鋼(gang)件(jian)(jian)要注意(yi)什么問題？多(duo)(duo)工(gong)位(wei)虎(hu)鉗(qian)(qian)(qian)(qian)夾(jia)裝(zhuang)鋼(gang)件(jian)(jian)時(shi)(shi)注意(yi)的(de)(de)問題：為了(le)能裝(zhuang)夾(jia)得牢(lao)固，防止刨削時(shi)(shi)鋼(gang)件(jian)(jian)松動(dong)，必須把(ba)比(bi)較干整的(de)(de)平(ping)面(mian)(mian)(mian)貼(tie)緊(jin)在(zai)(zai)墊(dian)(dian)(dian)鐵和鉗(qian)(qian)(qian)(qian)口(kou)上(shang)(shang)。要使(shi)鋼(gang)件(jian)(jian)貼(tie)緊(jin)在(zai)(zai)墊(dian)(dian)(dian)鐵上(shang)(shang)，應該一面(mian)(mian)(mian)夾(jia)緊(jin)，一面(mian)(mian)(mian)用(yong)手錘輕擊(ji)(ji)鋼(gang)件(jian)(jian)的(de)(de)子(zi)面(mian)(mian)(mian)，光(guang)潔(jie)的(de)(de)平(ping)面(mian)(mian)(mian)要用(yong)銅棒進行(xing)敲擊(ji)(ji)以防止敲傷(shang)光(guang)潔(jie)表(biao)(biao)面(mian)(mian)(mian)。為了(le)不使(shi)鉗(qian)(qian)(qian)(qian)口(kou)損壞和保持已加(jia)工(gong)表(biao)(biao)面(mian)(mian)(mian)，夾(jia)緊(jin)鋼(gang)件(jian)(jian)時(shi)(shi)在(zai)(zai)鉗(qian)(qian)(qian)(qian)口(kou)處墊(dian)(dian)(dian)上(shang)(shang)銅片。剛性不足的(de)(de)：鋼(gang)件(jian)(jian)需要支實，以免夾(jia)緊(jin)力使(shi)鋼(gang)件(jian)(jian)變形。鋼(gang)件(jian)(jian)的(de)(de)被加(jia)工(gong)面(mian)(mian)(mian)必須高出鉗(qian)(qian)(qian)(qian)口(kou)，否則就要用(yong)平(ping)行(xing)墊(dian)(dian)(dian)鐵墊(dian)(dian)(dian)高鋼(gang)件(jian)(jian)。多(duo)(duo)工(gong)位(wei)虎(hu)鉗(qian)(qian)(qian)(qian)用(yong)百分表(biao)(biao)校正固定鉗(qian)(qian)(qian)(qian)口(kou)與(yu)銑床主軸軸線平(ping)行(xing)時(shi)(shi)，可將磁性表(biao)(biao)座吸在(zai)(zai)床身垂直(zhi)導軌面(mian)(mian)(mian)上(shang)(shang)，橫向(xiang)移(yi)動(dong)工(gong)作(zuo)臺進行(xing)，校正的(de)(de)方法相同。CNC多(duo)(duo)工(gong)位(wei)虎(hu)鉗(qian)(qian)(qian)(qian)設計(ji)多(duo)(duo)工(gong)位(wei)虎(hu)鉗(qian)(qian)(qian)(qian)的(de)(de)2個(ge)卡爪來(lai)回同步移(yi)動(dong)，來(lai)實現對零件(jian)(jian)的(de)(de)中(zhong)心(xin)夾(jia)緊(jin)，并且夾(jia)持精度高。
多工(gong)位(wei)(wei)(wei)(wei)虎(hu)鉗的(de)2個卡(ka)爪來回同步(bu)移動，來實(shi)(shi)現對(dui)零(ling)件的(de)中心(xin)夾(jia)緊，并(bing)且夾(jia)持(chi)精(jing)度(du)高，依工(gong)件的(de)外(wai)形輪(lun)廓訂制卡(ka)爪，不但可(ke)對(dui)工(gong)件實(shi)(shi)現外(wai)夾(jia)夾(jia)緊也可(ke)實(shi)(shi)現內(nei)撐漲緊，即可(ke)加(jia)(jia)工(gong)不同輪(lun)廓的(de)工(gong)件，操作簡單快捷，成本也大幅度(du)節省。產(chan)品特(te)點：1.產(chan)品尺(chi)寸小，重量輕，2.高效的(de)潤滑(hua)系統，3.多種對(dui)心(xin)臺鉗控制方(fang)法，可(ke)根據客戶需(xu)(xu)求從(cong)側面(mian)或底面(mian)對(dui)多工(gong)位(wei)(wei)(wei)(wei)虎(hu)鉗進行(xing)控制。4.防塵設(she)(she)計(ji)，滑(hua)塊與(yu)防塵蓋間特(te)殊防塵設(she)(she)計(ji)，有效防止碎屑(xie)侵入。5.卡(ka)爪的(de)安(an)裝部位(wei)(wei)(wei)(wei)易(yi)加(jia)(jia)工(gong)，加(jia)(jia)工(gong)卡(ka)爪安(an)裝部位(wei)(wei)(wei)(wei)，只(zhi)需(xu)(xu)加(jia)(jia)工(gong)螺栓(shuan)孔和鍵槽。普通(tong)設(she)(she)備就可(ke)以(yi)完成。多工(gong)位(wei)(wei)(wei)(wei)虎(hu)鉗主體(ti)一體(ti)成型(xing)，韌性好，穩定(ding)(ding)。鉗口(kou)采(cai)用活動式定(ding)(ding)位(wei)(wei)(wei)(wei)設(she)(she)計(ji)，可(ke)快速調整加(jia)(jia)持(chi)位(wei)(wei)(wei)(wei)置。
多工(gong)位(wei)(wei)虎(hu)(hu)鉗(qian)(qian)(qian)(qian)(qian)口(kou)的校(xiao)(xiao)正(zheng)：用(yong)(yong)百分表(biao)校(xiao)(xiao)正(zheng)固(gu)(gu)(gu)定(ding)(ding)鉗(qian)(qian)(qian)(qian)(qian)口(kou)與(yu)銑(xian)(xian)床(chuang)(chuang)(chuang)(chuang)主(zhu)(zhu)軸軸線平(ping)(ping)(ping)行(xing)(xing)時(shi)，可將磁性表(biao)座(zuo)吸在床(chuang)(chuang)(chuang)(chuang)身垂(chui)直(zhi)導軌(gui)面(mian)上，橫(heng)向(xiang)移動(dong)工(gong)作臺進行(xing)(xing)，校(xiao)(xiao)正(zheng)的方(fang)法(fa)相同(tong)。用(yong)(yong)90度(du)角(jiao)尺校(xiao)(xiao)正(zheng)固(gu)(gu)(gu)定(ding)(ding)鉗(qian)(qian)(qian)(qian)(qian)口(kou)與(yu)銑(xian)(xian)床(chuang)(chuang)(chuang)(chuang)主(zhu)(zhu)軸軸線平(ping)(ping)(ping)行(xing)(xing)：當要求多工(gong)位(wei)(wei)虎(hu)(hu)鉗(qian)(qian)(qian)(qian)(qian)固(gu)(gu)(gu)定(ding)(ding)鉗(qian)(qian)(qian)(qian)(qian)口(kou)與(yu)銑(xian)(xian)床(chuang)(chuang)(chuang)(chuang)主(zhu)(zhu)軸軸線平(ping)(ping)(ping)行(xing)(xing)安裝時(shi)，可用(yong)(yong)90度(du)角(jiao)尺校(xiao)(xiao)正(zheng)。校(xiao)(xiao)正(zheng)時(shi)，松開鉗(qian)(qian)(qian)(qian)(qian)體(ti)緊(jin)固(gu)(gu)(gu)螺母，使固(gu)(gu)(gu)定(ding)(ding)鉗(qian)(qian)(qian)(qian)(qian)口(kou)平(ping)(ping)(ping)面(mian)大致與(yu)主(zhu)(zhu)軸軸線平(ping)(ping)(ping)行(xing)(xing)。將90度(du)角(jiao)尺的尺座(zuo)底面(mian)緊(jin)靠在床(chuang)(chuang)(chuang)(chuang)身的垂(chui)直(zhi)導軌(gui)面(mian)上，調整(zheng)鉗(qian)(qian)(qian)(qian)(qian)體(ti)使固(gu)(gu)(gu)定(ding)(ding)鉗(qian)(qian)(qian)(qian)(qian)口(kou)鐵平(ping)(ping)(ping)面(mian)與(yu)90度(du)角(jiao)尺尺苗(miao)外測量精密多工(gong)位(wei)(wei)虎(hu)(hu)鉗(qian)(qian)(qian)(qian)(qian)面(mian)密合，然后緊(jin)固(gu)(gu)(gu)鉗(qian)(qian)(qian)(qian)(qian)體(ti)，并再次進行(xing)(xing)復(fu)檢。應選(xuan)擇(ze)與(yu)加工(gong)機床(chuang)(chuang)(chuang)(chuang)相匹配的多工(gong)位(wei)(wei)虎(hu)(hu)鉗(qian)(qian)(qian)(qian)(qian)。
EROCLAMP多(duo)(duo)工(gong)(gong)位(wei)(wei)虎(hu)(hu)鉗安裝(zhuang)的(de)(de)(de)必要性：1、傳統(tong)(tong)(tong)的(de)(de)(de)夾(jia)(jia)(jia)持(chi)(chi)技(ji)能(neng)始(shi)終(zhong)不能(neng)扔(reng)掉,但(dan)此(ci)類夾(jia)(jia)(jia)具(ju)有(you)明顯的(de)(de)(de)缺點(dian)是設(she)備在(zai)換裝(zhuang)時(shi)(shi)耗(hao)時(shi)(shi)巨(ju)大。因此(ci)能(neng)夠(gou)考(kao)慮(lv)選(xuan)用零點(dian)夾(jia)(jia)(jia)持(chi)(chi)系(xi)統(tong)(tong)(tong)。它不是傳統(tong)(tong)(tong)夾(jia)(jia)(jia)持(chi)(chi)方法(fa)的(de)(de)(de)替(ti)代計劃,而是對傳統(tong)(tong)(tong)夾(jia)(jia)(jia)持(chi)(chi)技(ji)能(neng)的(de)(de)(de)一種有(you)效補償(chang)。2、設(she)備操(cao)作(zuo)(zuo)人員能(neng)夠(gou)由此(ci)得(de)到(dao)一種簡化的(de)(de)(de)縮短繁(fan)瑣的(de)(de)(de)清潔(jie)、測量、校準和夾(jia)(jia)(jia)持(chi)(chi)等作(zuo)(zuo)業(ye)(ye)流(liu)程的(de)(de)(de)方法(fa)。設(she)備的(de)(de)(de)作(zuo)(zuo)業(ye)(ye)臺配備有(you)一個(ge)標準接口，能(neng)夠(gou)完成(cheng)對中、矯(jiao)直和夾(jia)(jia)(jia)持(chi)(chi)。由此(ci)能(neng)夠(gou)消(xiao)除大的(de)(de)(de)故障源。3、無論是托盤(pan)、夾(jia)(jia)(jia)具(ju)、虎(hu)(hu)鉗，仍是工(gong)(gong)件，選(xuan)用本系(xi)統(tong)(tong)(tong)并確認零點(dian)。能(neng)夠(gou)完成(cheng)快速的(de)(de)(de)換裝(zhuang),并抵達s0.005mm的(de)(de)(de)精度。若多(duo)(duo)套設(she)備作(zuo)(zuo)業(ye)(ye)臺均選(xuan)用貫通式卡(ka)盤(pan),則工(gong)(gong)裝(zhuang)夾(jia)(jia)(jia)具(ju)可更活絡地應用在(zai)生產(chan)設(she)備上(shang)(shang)。在(zai)工(gong)(gong)作(zuo)(zuo)臺上(shang)(shang)安裝(zhuang)虎(hu)(hu)鉗時(shi)(shi)，要保證(zheng)虎(hu)(hu)鉗的(de)(de)(de)正確位(wei)(wei)置。高夾(jia)(jia)(jia)持(chi)(chi)力(li)多(duo)(duo)工(gong)(gong)位(wei)(wei)虎(hu)(hu)鉗采購
多(duo)工位虎鉗對絲杠(gang)、螺母等活動表面應經常(chang)清洗、潤滑，以防生銹。西(xi)安常(chang)見多(duo)工位虎鉗
多工(gong)位(wei)虎鉗(qian)裝(zhuang)配圖(tu)(tu)的(de)(de)(de)作用(yong)(yong)與內(nei)容(rong)：裝(zhuang)配圖(tu)(tu)的(de)(de)(de)作用(yong)(yong)，裝(zhuang)配圖(tu)(tu)是表示(shi)部(bu)件(jian)(jian)(jian)(jian)(jian)（機(ji)器）各組成部(bu)分的(de)(de)(de)連接、裝(zhuang)配關系(xi)的(de)(de)(de)圖(tu)(tu)樣。裝(zhuang)配圖(tu)(tu)在機(ji)械(xie)設計及制造(zao)過程(cheng)中(zhong)的(de)(de)(de)地位(wei)的(de)(de)(de)作用(yong)(yong)。在生(sheng)產過程(cheng)中(zhong)，裝(zhuang)配圖(tu)(tu)是制定機(ji)器或部(bu)件(jian)(jian)(jian)(jian)(jian)裝(zhuang)配工(gong)藝規程(cheng)、裝(zhuang)配、檢驗、安(an)裝(zhuang)和維修的(de)(de)(de)依據,是生(sheng)產和技(ji)術交(jiao)流中(zhong)重要的(de)(de)(de)技(ji)術文件(jian)(jian)(jian)(jian)(jian)。裝(zhuang)配圖(tu)(tu)的(de)(de)(de)內(nei)容(rong)：一組視圖(tu)(tu)會有哪些信(xin)息：部(bu)件(jian)(jian)(jian)(jian)(jian)由(you)哪些的(de)(de)(de)零件(jian)(jian)(jian)(jian)(jian)組成，各零件(jian)(jian)(jian)(jian)(jian)之間的(de)(de)(de)位(wei)置、裝(zhuang)配關系(xi)，部(bu)件(jian)(jian)(jian)(jian)(jian)的(de)(de)(de)工(gong)作原理(li)，零件(jian)(jian)(jian)(jian)(jian)的(de)(de)(de)關鍵結構(gou)和形狀(zhuang)，與其(qi)他(ta)部(bu)件(jian)(jian)(jian)(jian)(jian)的(de)(de)(de)安(an)裝(zhuang)關系(xi)。西安(an)常見多工(gong)位(wei)虎鉗(qian)
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臨沂常見六棱管分類
奧(ao)氏(shi)體晶粒不易長(chang)大(da)，并有(you)良(liang)好的(de)淬透(tou)性。3.成分特點(1)低碳(tan)：碳(tan)含(han)量一般為～，使(shi)零件心部有(you)足夠的(de)塑(su)性和韌性。(2)加入提高淬透(tou)性的(de)合金元素：常(chang)加入Cr、Ni、Mn、B等。(3)加入阻礙(ai)奧(ao)氏(shi)體晶粒長(chang)大(da)的(de) 。
氣(qi)(qi)(qi)源選擇：一般(ban)按(an)照檢測器(qi)來(lai)(lai)考慮(lv)。①FID：需要配(pei)載(zai)氣(qi)(qi)(qi)、燃氣(qi)(qi)(qi)、助燃氣(qi)(qi)(qi)。一般(ban)來(lai)(lai)說(shuo)都是(shi)配(pei)氮(dan)氣(qi)(qi)(qi)(高純鋼(gang)瓶氣(qi)(qi)(qi)或(huo)氮(dan)氣(qi)(qi)(qi)發(fa)生(sheng)器(qi))，氫氣(qi)(qi)(qi)(鋼(gang)瓶氣(qi)(qi)(qi)或(huo)氫氣(qi)(qi)(qi)發(fa)生(sheng)器(qi))，空氣(qi)(qi)(qi)(鋼(gang)瓶氣(qi)(qi)(qi)或(huo)空氣(qi)(qi)(qi)發(fa)生(sheng)器(qi))。②TCD：需要配(pei)載(zai)氣(qi)(qi)(qi)。一般(ban)來(lai)(lai)說(shuo) 。
東莞(guan)力(li)視(shi)軸(zhou)類(lei)尺(chi)(chi)寸(cun)(cun)測量(liang)(liang)儀(yi)在制造(zao)業中具備重(zhong)要的(de)地位。該儀(yi)器(qi)采用(yong)前沿的(de)圖(tu)像處理技術，能夠實現高準(zhun)度的(de)測量(liang)(liang)，幫助企(qi)業實現對(dui)軸(zhou)類(lei)零件(jian)的(de)迅速、準(zhun)確測量(liang)(liang)。東莞(guan)力(li)視(shi)軸(zhou)類(lei)尺(chi)(chi)寸(cun)(cun)測量(liang)(liang)儀(yi)是企(qi)業進行質(zhi)量(liang)(liang)把控的(de)重(zhong)要工具。通過(guo)該儀(yi) 。
德微電(dian)(dian)(dian)智能空開(kai)可實(shi)時(shi)(shi)遠程(cheng)監管各區(qu)域用(yong)電(dian)(dian)(dian)波(bo)動(dong)與實(shi)時(shi)(shi)數(shu)據，發現用(yong)電(dian)(dian)(dian)異常及時(shi)(shi)預警處(chu)理。電(dian)(dian)(dian)路(lu)出現破損、短(duan)路(lu)等問題；電(dian)(dian)(dian)動(dong)車等充(chong)電(dian)(dian)(dian)線路(lu)亂(luan)拉亂(luan)接(jie)，飛線充(chong)電(dian)(dian)(dian)；易燃物品隨意堆(dui)放，逃生通道為保持暢通等等用(yong)電(dian)(dian)(dian)安全問題都存在(zai) 。
雖然(ran)手持(chi)螺(luo)絲機的(de)初期(qi)投入成本(ben)相對較(jiao)高，但(dan)從長(chang)遠(yuan)來看，其運行成本(ben)是相對較(jiao)低的(de)。首(shou)先(xian)，手持(chi)螺(luo)絲機可以實現(xian)自動(dong)化生產(chan)，減少人工(gong)成本(ben)。其次，由于手持(chi)螺(luo)絲機可以實現(xian)精確控制(zhi)，可以減少因產(chan)品(pin)質量問題導(dao)致的(de)返工(gong)和報 。
不管您是小白還是想轉行開店的人員都(dou)可以加入，無門(men)檻要(yao)求，總部363度各(ge)個方面的扶持，選址布局、培訓、設備、總部賦能，讓你全程無憂，我們(men)還會給到加盟(meng)商開店支持，幫(bang)助選址、幫(bang)助門(men)店裝修設計、進行培訓、到店 。
氫(qing)(qing)(qing)水(shui)杯作(zuo)為氫(qing)(qing)(qing)氣(qi)(qi)醫學轉(zhuan)化應(ying)用(yong)產(chan)品中既小巧便攜(xie)又經(jing)濟(ji)實惠的存在(zai)，成為了(le)很多人(ren)氫(qing)(qing)(qing)健康保(bao)健的入(ru)門(men)級(ji)應(ying)用(yong)產(chan)品。如(ru)果采用(yong)的是(shi)普通電解方式(shi)產(chan)氫(qing)(qing)(qing)的氫(qing)(qing)(qing)水(shui)杯，這(zhe)樣(yang)制(zhi)備出來的氫(qing)(qing)(qing)水(shui)，氫(qing)(qing)(qing)氣(qi)(qi)、余(yu)氯、臭氧都在(zai)水(shui)中，這(zhe)些成分(fen)不只影(ying)響 。
一(yi)副(fu)“未老(lao)先衰”的(de)樣子，其實，都可能(neng)是(shi)(shi)因為氣(qi)血(xue)不足導致的(de)。氣(qi)血(xue)充(chong)足人(ren)年(nian)輕，女人(ren)出現4個“老(lao)態(tai)”，提示要補氣(qi)活(huo)xue了1、眼睛混濁如果(guo)一(yi)個人(ren)的(de)眼睛是(shi)(shi)清(qing)澈明(ming)亮、神(shen)采奕奕的(de)，那說明(ming)她(ta)是(shi)(shi)氣(qi)血(xue)充(chong)足的(de)。如果(guo)眼白的(de) 。
頂(ding)樓發光(guang)字的(de)重要性體(ti)現(xian)在(zai)幾個(ge)關鍵方面。首先，它們能夠明(ming)顯提(ti)高建(jian)筑的(de)識(shi)別度(du)(du)。在(zai)繁忙的(de)城(cheng)市環境中，建(jian)筑往(wang)往(wang)難(nan)以從眾(zhong)多選項(xiang)中脫穎(ying)而(er)出(chu)。然(ran)而(er)，頂(ding)樓發光(guang)字可以吸引人(ren)們的(de)注意(yi)力，使建(jian)筑在(zai)夜(ye)晚(wan)尤為引人(ren)注目。這種高度(du)(du) 。
全國(guo)多個大型重點工程項目指(zhi)定供應商，并與(yu)多家房地產(chan)(chan)公(gong)司和電力(li)安裝單位建立長期緊密合(he)作關系(xi)。橋架(jia)產(chan)(chan)品有托盤(pan)式(shi)、槽式(shi)、梯(ti)級式(shi)鋼(gang)制及鋁合(he)金(jin)橋架(jia)系(xi)列，組合(he)式(shi)及玻璃(li)鋼(gang)、防火(huo)橋架(jia)系(xi)列。公(gong)司自成立以來，順(shun)應經濟發展 。
由于(yu)電焊(han)(han)條在(zai)制(zhi)造.運輸、貯存過程中(zhong)滲入了水(shui)份，因此(ci)在(zai)使用前須進行烘干(gan)，以(yi)去除(chu)藥皮(pi)中(zhong)的(de)水(shui)份，否(fou)則，藥皮(pi)中(zhong)的(de)水(shui)份在(zai)焊(han)(han)按時，分解出來的(de)氨殘留在(zai)焊(han)(han)縫(feng)周圍的(de)金(jin)屬中(zhong)，致(zhi)焊(han)(han)縫(feng)產(chan)生冷裂紋，造成焊(han)(han)接事故。所(suo)以(yi)需要通過焊(han)(han) 。