日韩美女人体艺术_国产成人无码AⅤ片在线图_国产成人精品无码一区二区_国产精品三级av三级av三级

歡迎訪問廣東省星大盛激光科技有限公司官方網站,本公司專注于管材激光切管機的研發和制造。

您現在的位置: 首頁 > 新聞資訊> 焊接(jie)鋼管機缺陷(xian)判斷-星大盛與您分享

焊接鋼管機缺陷判斷-星大盛與您分享

發布時間:  2022/3/8
焊(han)接鋼管機缺(que)陷(xian)判斷-佛山星(xing)大(da)盛機械有限公司與您分享//fslongxinjixie.com


一(yi)(yi)(yi)(yi)(yi)(yi)、雙(shuang)(shuang)絲焊(han)(han)(han)(han)(han)(han)(han)內外(wai)(wai)焊(han)(han)(han)(han)(han)(han)(han)道(dao)(dao)偏(pian)(pian)(pian)移(yi)量(liang)的(de)(de)(de)(de)(de)(de)(de)(de)判(pan)斷;方法(fa)有(you)(you)三(san)種(zhong)(zhong):一(yi)(yi)(yi)(yi)(yi)(yi)種(zhong)(zhong)是(shi)(shi)(shi)(shi)取(qu)酸洗樣(yang)(yang);二是(shi)(shi)(shi)(shi)取(qu)金(jin)相樣(yang)(yang),以上兩種(zhong)(zhong)比較(jiao)準(zhun)確,但不(bu)可能根根取(qu)樣(yang)(yang),第三(san)種(zhong)(zhong)是(shi)(shi)(shi)(shi)在(zai)(zai)Х光(guang)(guang)(guang)工(gong)業(ye)電(dian)(dian)(dian)視(shi)(shi)(shi)上可以發(fa)(fa)(fa)現(xian)(xian)偏(pian)(pian)(pian)移(yi),但準(zhun)確度(du)不(bu)如(ru)前(qian)(qian)(qian)兩種(zhong)(zhong),尤(you)其是(shi)(shi)(shi)(shi)雙(shuang)(shuang)絲焊(han)(han)(han)(han)(han)(han)(han), 單絲焊(han)(han)(han)(han)(han)(han)(han)好判(pan)別(bie)(bie),在(zai)(zai)Х工(gong)業(ye)電(dian)(dian)(dian)視(shi)(shi)(shi)屏(ping)幕上發(fa)(fa)(fa)現(xian)(xian)的(de)(de)(de)(de)(de)(de)(de)(de)偏(pian)(pian)(pian)移(yi)基本(ben)上反映(ying)的(de)(de)(de)(de)(de)(de)(de)(de)是(shi)(shi)(shi)(shi)實際(ji)偏(pian)(pian)(pian)移(yi),而雙(shuang)(shuang)絲焊(han)(han)(han)(han)(han)(han)(han)若前(qian)(qian)(qian)后(hou)絲對準(zhun),也能反映(ying)出(chu)實際(ji)偏(pian)(pian)(pian)移(yi)。一(yi)(yi)(yi)(yi)(yi)(yi)般判(pan)斷偏(pian)(pian)(pian)移(yi)量(liang)是(shi)(shi)(shi)(shi)以前(qian)(qian)(qian)絲為(wei)準(zhun),前(qian)(qian)(qian)絲不(bu)偏(pian)(pian)(pian),一(yi)(yi)(yi)(yi)(yi)(yi)般不(bu)會出(chu)焊(han)(han)(han)(han)(han)(han)(han)接缺陷(xian)。Х光(guang)(guang)(guang)拍片(pian)看(kan)到(dao)的(de)(de)(de)(de)(de)(de)(de)(de)焊(han)(han)(han)(han)(han)(han)(han)縫是(shi)(shi)(shi)(shi)一(yi)(yi)(yi)(yi)(yi)(yi)條白線(xian),是(shi)(shi)(shi)(shi)因為(wei)焊(han)(han)(han)(han)(han)(han)(han)縫處(chu)(chu)比母材厚,吸收了(le)(le)較(jiao)多的(de)(de)(de)(de)(de)(de)(de)(de)射線(xian)。而Х光(guang)(guang)(guang)工(gong)業(ye)電(dian)(dian)(dian)視(shi)(shi)(shi)看(kan)到(dao)的(de)(de)(de)(de)(de)(de)(de)(de)焊(han)(han)(han)(han)(han)(han)(han)縫是(shi)(shi)(shi)(shi)一(yi)(yi)(yi)(yi)(yi)(yi)道(dao)(dao)黑(hei)線(xian),原(yuan)理一(yi)(yi)(yi)(yi)(yi)(yi)樣(yang)(yang)不(bu)過一(yi)(yi)(yi)(yi)(yi)(yi)個是(shi)(shi)(shi)(shi)正片(pian),一(yi)(yi)(yi)(yi)(yi)(yi)個是(shi)(shi)(shi)(shi)反片(pian)。是(shi)(shi)(shi)(shi)因為(wei)焊(han)(han)(han)(han)(han)(han)(han)縫有(you)(you)加強(qiang)高(gao)度(du),與板材有(you)(you)厚度(du)差,管(guan)(guan)(guan)(guan)(guan)(guan)(guan)端(duan)處(chu)(chu)將焊(han)(han)(han)(han)(han)(han)(han)縫修磨(mo)的(de)(de)(de)(de)(de)(de)(de)(de)比較(jiao)好的(de)(de)(de)(de)(de)(de)(de)(de)話,就(jiu)(jiu)很難找到(dao)焊(han)(han)(han)(han)(han)(han)(han)縫。若前(qian)(qian)(qian)絲與后(hou)絲分岔,前(qian)(qian)(qian)絲不(bu)偏(pian)(pian)(pian),而后(hou)絲的(de)(de)(de)(de)(de)(de)(de)(de)帽子戴偏(pian)(pian)(pian),就(jiu)(jiu)會在(zai)(zai)屏(ping)幕上發(fa)(fa)(fa)現(xian)(xian)偏(pian)(pian)(pian)移(yi)量(liang)超(chao)(chao)(chao)標,這就(jiu)(jiu)要(yao)用(yong)金(jin)相樣(yang)(yang)去驗(yan)證(zheng)。最可怕的(de)(de)(de)(de)(de)(de)(de)(de)是(shi)(shi)(shi)(shi)前(qian)(qian)(qian)絲偏(pian)(pian)(pian)移(yi)超(chao)(chao)(chao)標,由于帽戴偏(pian)(pian)(pian),在(zai)(zai)屏(ping)幕上顯示內外(wai)(wai)焊(han)(han)(han)(han)(han)(han)(han)道(dao)(dao)沒有(you)(you)偏(pian)(pian)(pian),嚴(yan)(yan)重(zhong)時出(chu)現(xian)(xian)輕微未焊(han)(han)(han)(han)(han)(han)(han)透(tou)Х工(gong)業(ye)電(dian)(dian)(dian)視(shi)(shi)(shi)發(fa)(fa)(fa)現(xian)(xian)不(bu)了(le)(le)。 1、液(ye)化裂(lie)(lie)(lie)紋又按(an)形(xing)(xing)狀稱(cheng)為(wei)八字形(xing)(xing)裂(lie)(lie)(lie)紋、這種(zhong)(zhong)裂(lie)(lie)(lie)紋在(zai)(zai)某(mou)廠用(yong)Q235原(yuan)料生產時出(chu)現(xian)(xian)過,裂(lie)(lie)(lie)紋在(zai)(zai)雙(shuang)(shuang)絲焊(han)(han)(han)(han)(han)(han)(han)的(de)(de)(de)(de)(de)(de)(de)(de)2號絲與1號絲結合處(chu)(chu)的(de)(de)(de)(de)(de)(de)(de)(de)邊(bian)緣,呈八字形(xing)(xing),Χ工(gong)業(ye)電(dian)(dian)(dian)視(shi)(shi)(shi)沒有(you)(you)發(fa)(fa)(fa)現(xian)(xian),用(yong)超(chao)(chao)(chao)聲(sheng)波手探(tan)發(fa)(fa)(fa)現(xian)(xian)了(le)(le),而且是(shi)(shi)(shi)(shi)只在(zai)(zai)某(mou)一(yi)(yi)(yi)(yi)(yi)(yi)角度(du)才能發(fa)(fa)(fa)現(xian)(xian)。降低熱輸(shu)入后(hou)基本(ben)解決(jue)了(le)(le)。 2、某(mou)廠生產小徑(jing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan),成型又是(shi)(shi)(shi)(shi)小角度(du),連續出(chu)現(xian)(xian)縱向(xiang)裂(lie)(lie)(lie)紋消除不(bu)了(le)(le),后(hou)無意(yi)中(zhong)提(ti)高(gao)焊(han)(han)(han)(han)(han)(han)(han)速后(hou),裂(lie)(lie)(lie)紋消除。 3、某(mou)廠出(chu)現(xian)(xian)外(wai)(wai)焊(han)(han)(han)(han)(han)(han)(han)道(dao)(dao)偏(pian)(pian)(pian)流(liu)嚴(yan)(yan)重(zhong)、有(you)(you)一(yi)(yi)(yi)(yi)(yi)(yi)段時間找不(bu)出(chu)原(yuan)因,解決(jue)不(bu)了(le)(le),后(hou)來經查,原(yuan)因很簡(jian)單,是(shi)(shi)(shi)(shi)焊(han)(han)(han)(han)(han)(han)(han)劑(ji)的(de)(de)(de)(de)(de)(de)(de)(de)流(liu)向(xiang)問(wen)題(ti),焊(han)(han)(han)(han)(han)(han)(han)劑(ji)從(cong)上坡向(xiang)下流(liu)將未凝固的(de)(de)(de)(de)(de)(de)(de)(de)焊(han)(han)(han)(han)(han)(han)(han)縫金(jin)屬壓(ya)偏(pian)(pian)(pian)造成的(de)(de)(de)(de)(de)(de)(de)(de)。 4、管(guan)(guan)(guan)(guan)(guan)(guan)(guan)體檢(jian)(jian)驗(yan)工(gong)廠重(zhong)視(shi)(shi)(shi)不(bu)夠,只重(zhong)視(shi)(shi)(shi)焊(han)(han)(han)(han)(han)(han)(han)縫質量(liang)檢(jian)(jian)驗(yan),特別(bie)(bie)是(shi)(shi)(shi)(shi)外(wai)(wai)壓(ya)坑,板材超(chao)(chao)(chao)聲(sheng)波探(tan)傷不(bu)易發(fa)(fa)(fa)現(xian)(xian),Х光(guang)(guang)(guang)工(gong)業(ye)電(dian)(dian)(dian)視(shi)(shi)(shi)只檢(jian)(jian)焊(han)(han)(han)(han)(han)(han)(han)縫及(ji)相鄰處(chu)(chu)得(de)母材,若不(bu)進行全管(guan)(guan)(guan)(guan)(guan)(guan)(guan)體目視(shi)(shi)(shi)檢(jian)(jian)查極(ji)易漏掉(diao)此事曾發(fa)(fa)(fa)生過幾(ji)次,有(you)(you)一(yi)(yi)(yi)(yi)(yi)(yi)次管(guan)(guan)(guan)(guan)(guan)(guan)(guan)子在(zai)(zai)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)廠判(pan)為(wei)合格,出(chu)了(le)(le)廠倒(dao)運到(dao)防腐廠準(zhun)備進行外(wai)(wai)防腐,拋丸除銹后(hou)發(fa)(fa)(fa)現(xian)(xian)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)體有(you)(you)個比較(jiao)大(da)的(de)(de)(de)(de)(de)(de)(de)(de)壓(ya)坑,管(guan)(guan)(guan)(guan)(guan)(guan)(guan)廠將此管(guan)(guan)(guan)(guan)(guan)(guan)(guan)拉(la)回,又過了(le)(le)一(yi)(yi)(yi)(yi)(yi)(yi)次電(dian)(dian)(dian)磁超(chao)(chao)(chao)聲(sheng)沒有(you)(you)報警,后(hou)又用(yong)超(chao)(chao)(chao)聲(sheng)波手探(tan),對著壓(ya)坑探(tan),盡(jin)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)有(you)(you)傷波比較(jiao)低,不(bu)超(chao)(chao)(chao)標。還有(you)(you)一(yi)(yi)(yi)(yi)(yi)(yi)個廠將氧氣還是(shi)(shi)(shi)(shi)等離子在(zai)(zai)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)體上燒的(de)(de)(de)(de)(de)(de)(de)(de)坑的(de)(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)發(fa)(fa)(fa)到(dao)工(gong)地去了(le)(le)。也與此有(you)(you)關。 5、直(zhi)縫埋(mai)弧(hu)(hu)焊(han)(han)(han)(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)端(duan)處(chu)(chu),是(shi)(shi)(shi)(shi)焊(han)(han)(han)(han)(han)(han)(han)接起弧(hu)(hu)和(he)落(luo)弧(hu)(hu)點極(ji)易出(chu)問(wen)題(ti);螺旋埋(mai)弧(hu)(hu)焊(han)(han)(han)(han)(han)(han)(han)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)易出(chu)問(wen)題(ti)的(de)(de)(de)(de)(de)(de)(de)(de)地方主要(yao)在(zai)(zai)對頭(tou)前(qian)(qian)(qian)后(hou)的(de)(de)(de)(de)(de)(de)(de)(de)兩根管(guan)(guan)(guan)(guan)(guan)(guan)(guan)上。要(yao)特別(bie)(bie)引(yin)起注意(yi)。

二、焊(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)內(nei)(nei)在(zai)(zai)(zai)缺(que)陷 1、氣(qi)(qi)孔,形(xing)(xing)狀(zhuang)(zhuang)圓形(xing)(xing),近(jin)似圓形(xing)(xing),產生(sheng)(sheng)原因是(shi)(shi)(shi)(shi)(shi)在(zai)(zai)(zai)焊(han)(han)(han)(han)(han)接過(guo)程中(zhong)氣(qi)(qi)體(ti)混入焊(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)金屬(shu)(shu)(shu)(shu)內(nei)(nei),來(lai)(lai)不(bu)及排除形(xing)(xing)成(cheng)(cheng)的(de)(de)(de)。 2、夾雜:不(bu)規(gui)則的(de)(de)(de)條(tiao)狀(zhuang)(zhuang),焊(han)(han)(han)(han)(han)渣及低熔點雜質(zhi)混入已熔化(hua)的(de)(de)(de)焊(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)內(nei)(nei),來(lai)(lai)不(bu)及浮出焊(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)內(nei)(nei)造(zao)成(cheng)(cheng)的(de)(de)(de)。 3夾珠或(huo)稱鐵(tie)豆,一般是(shi)(shi)(shi)(shi)(shi)夾在(zai)(zai)(zai)氣(qi)(qi)孔內(nei)(nei),多(duo)是(shi)(shi)(shi)(shi)(shi)被混入的(de)(de)(de)氧(yang)化(hua)鐵(tie),造(zao)成(cheng)(cheng)的(de)(de)(de)。 4、未(wei)融(rong)合(he)是(shi)(shi)(shi)(shi)(shi)在(zai)(zai)(zai)母材邊(bian)緣(yuan)夾被污(wu)染,沒(mei)有(you)和(he)(he)焊(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)金屬(shu)(shu)(shu)(shu)融(rong)合(he),多(duo)層(ceng)焊(han)(han)(han)(han)(han)的(de)(de)(de)渣皮沒(mei)有(you)清理干(gan)凈等(deng)造(zao)成(cheng)(cheng)。 5、未(wei)焊(han)(han)(han)(han)(han)透是(shi)(shi)(shi)(shi)(shi)電(dian)流大小(xiao),焊(han)(han)(han)(han)(han)速過(guo)快,焊(han)(han)(han)(han)(han)絲斷弧(hu)(hu),焊(han)(han)(han)(han)(han)偏(pian)等(deng)造(zao)成(cheng)(cheng)。 6、裂(lie)(lie)(lie)紋(wen):縱向裂(lie)(lie)(lie)紋(wen)多(duo)是(shi)(shi)(shi)(shi)(shi)成(cheng)(cheng)型變形(xing)(xing)不(bu)足,微橋(qiao)擺動過(guo)猛(meng),焊(han)(han)(han)(han)(han)墊(dian)輥位置(zhi)不(bu)合(he)適造(zao)成(cheng)(cheng)的(de)(de)(de),橫向裂(lie)(lie)(lie)紋(wen)與(yu)母材雜質(zhi),焊(han)(han)(han)(han)(han)接熱輸入量有(you)關系。 熱裂(lie)(lie)(lie)紋(wen) 在(zai)(zai)(zai)埋弧(hu)(hu)焊(han)(han)(han)(han)(han)接中(zhong),焊(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)內(nei)(nei)可產生(sheng)(sheng)熱裂(lie)(lie)(lie)紋(wen),特別(bie)是(shi)(shi)(shi)(shi)(shi)在(zai)(zai)(zai)起弧(hu)(hu)和(he)(he)熄弧(hu)(hu)弧(hu)(hu)坑(keng)處由于(yu)溫差大容(rong)易發生(sheng)(sheng)熱裂(lie)(lie)(lie)紋(wen)。熱裂(lie)(lie)(lie)紋(wen)在(zai)(zai)(zai)焊(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)應(ying)力很(hen)大的(de)(de)(de)時(shi)候(hou),或(huo)者焊(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)金屬(shu)(shu)(shu)(shu)內(nei)(nei)的(de)(de)(de)Si含量很(hen)高(gao)(gao)(gao)的(de)(de)(de)時(shi)候(hou)最容(rong)易產生(sheng)(sheng)。 三、焊(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)的(de)(de)(de)外觀缺(que)陷 1咬邊(bian) 咬邊(bian)是(shi)(shi)(shi)(shi)(shi)沿著焊(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)中(zhong)心線(xian)在(zai)(zai)(zai)焊(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)邊(bian)部與(yu)管(guan)體(ti)過(guo)渡區出現溝槽(cao)。咬邊(bian)是(shi)(shi)(shi)(shi)(shi)在(zai)(zai)(zai)焊(han)(han)(han)(han)(han)速、電(dian)流、電(dian)壓等(deng)條(tiao)件匹配不(bu)適當的(de)(de)(de)情(qing)況下(xia)產生(sheng)(sheng)的(de)(de)(de) 2焊(han)(han)(han)(han)(han)瘤 焊(han)(han)(han)(han)(han)接過(guo)程中(zhong),熔化(hua)金屬(shu)(shu)(shu)(shu)流淌到焊(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)之(zhi)外未(wei)融(rong)化(hua)的(de)(de)(de)母材上所形(xing)(xing)成(cheng)(cheng)的(de)(de)(de)金屬(shu)(shu)(shu)(shu)瘤。 3搭(da)焊(han)(han)(han)(han)(han) 鋼(gang)(gang)板邊(bian)緣(yuan)上、下(xia)錯位對接,造(zao)成(cheng)(cheng)焊(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)不(bu)平的(de)(de)(de)現象,成(cheng)(cheng)為管(guan)縫(feng)(feng)(feng)(feng)(feng)錯位或(huo)管(guan)縫(feng)(feng)(feng)(feng)(feng)搭(da)焊(han)(han)(han)(han)(han)。 4過(guo)燒 焊(han)(han)(han)(han)(han)接過(guo)程中(zhong),融(rong)化(hua)金屬(shu)(shu)(shu)(shu)溫度(du)過(guo)高(gao)(gao)(gao)自坡口流出,形(xing)(xing)成(cheng)(cheng)焊(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)缺(que)陷。 5壓坑(keng) 軋輥麻(ma)點或(huo)輥面與(yu)管(guan)坯間的(de)(de)(de)硬物(wu)使管(guan)材表面產生(sheng)(sheng)的(de)(de)(de)低凹壓痕。 6焊(han)(han)(han)(han)(han)偏(pian) 焊(han)(han)(han)(han)(han)道偏(pian)離焊(han)(han)(han)(han)(han)接中(zhong)心線(xian),產生(sheng)(sheng)焊(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)偏(pian)離的(de)(de)(de)現象 7焊(han)(han)(han)(han)(han)接灰斑(ban) 高(gao)(gao)(gao)頻電(dian)阻焊(han)(han)(han)(han)(han)(HFW)焊(han)(han)(han)(han)(han)接方式所特有(you)的(de)(de)(de)焊(han)(han)(han)(han)(han)接缺(que)陷。其特征是(shi)(shi)(shi)(shi)(shi)在(zai)(zai)(zai)拉伸試樣(yang)或(huo)沖擊試樣(yang)焊(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)宏觀端口上所出現的(de)(de)(de)無(wu)金屬(shu)(shu)(shu)(shu)光澤的(de)(de)(de)灰色區域。通常認(ren)為,灰斑(ban)對焊(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)的(de)(de)(de)強度(du)水(shui)平無(wu)明顯影(ying)響,但對焊(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)的(de)(de)(de)韌性(xing)和(he)(he)塑(su)性(xing)影(ying)響較大。 8 溝狀(zhuang)(zhuang)腐(fu)(fu)(fu)蝕 溝狀(zhuang)(zhuang)腐(fu)(fu)(fu)蝕是(shi)(shi)(shi)(shi)(shi)ERW鋼(gang)(gang)管(guan)焊(han)(han)(han)(han)(han)縫(feng)(feng)(feng)(feng)(feng)中(zhong)一種特殊的(de)(de)(de)腐(fu)(fu)(fu)蝕現象。服役于(yu)海(hai)水(shui)和(he)(he)工業用(yong)水(shui)等(deng)介質(zhi)的(de)(de)(de)電(dian)阻焊(han)(han)(han)(han)(han)管(guan)在(zai)(zai)(zai)焊(han)(han)(han)(han)(han)接區產生(sheng)(sheng)的(de)(de)(de)選(xuan)擇性(xing)局部腐(fu)(fu)(fu)蝕現象稱為溝狀(zhuang)(zhuang)腐(fu)(fu)(fu)蝕,多(duo)從表面開始呈連(lian)續或(huo)非連(lian)續的(de)(de)(de)溝狀(zhuang)(zhuang),它可以(yi)導致焊(han)(han)(han)(han)(han)管(guan)在(zai)(zai)(zai)一年(nian)至數年(nian)內(nei)(nei)腐(fu)(fu)(fu)蝕穿孔。
佛山(shan)星大盛機械有限公(gong)司//fslongxinjixie.com電話在:18928545835楊蘭 

產品推薦

地址:佛山(shan)市南海區獅(shi)山(shan)鎮小塘獅(shi)南段(duan)三環西(xi)路(lu)7號之六

電話:0757-83130809

手機(ji):13726688702

郵箱:1733637554@qq.com

掃碼關注客服微信

Copyright @ 2012-2021 廣東省星大(da)盛激光(guang)科(ke)技有限公司(si) 版權所有