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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>浙江特種焊絲訂購,焊絲</p><p><span>***更新：</span>2021-01-15 04:05:04</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="55jdxr5" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">簡(jiǎn)敏精密五金制造(上海)有限公司</a></p><p><span>聯(lián)系人：</span>龔先生</p><p><span>郵箱: </span></p><p><span>電話: </span>13818473006</p><p><span>傳真: </span>021_69726282</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-69726282</p><p><span>地址: </span>顧北東路365號(hào)C區(qū)1101</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="d9d7f7n" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="lnhtp9h" class="box"><p><p> 圖3—10硅整流電弧焊機(jī)1—硅整流器組2—三相變壓器3—三相磁飽和電抗器4—輸出電抗器5—通風(fēng)機(jī)組(二)工作原理工作原理見圖3—11。接通開關(guān)K1，通風(fēng)機(jī)組FM運(yùn)轉(zhuǎn)，風(fēng)壓開關(guān)KEY閉合，主接觸器Jc-1閉合，三相弧焊變壓器B1工作。與此同時(shí)Jc-2閉合，控制變壓器B2工作，磁放大器運(yùn)行，硅整流器工作，輸出一定的直流電壓，這就是焊機(jī)的空載電壓。由于沒有焊接電流，磁放大器的電抗繞組FD電抗壓降幾乎為零，使焊機(jī)輸出端具有較高的空載電壓，便于引弧。當(dāng)施焊時(shí)，由于有輸出，形成電流，電抗繞組FD通過交流電，使其得到較大的電抗壓降，并隨電流的增大，電抗壓降隨之增大，從而得到陡降外特性。當(dāng)短路時(shí)，由于短路電流很大，F(xiàn)D通過的交流電急增，它產(chǎn)生的電抗壓降使工作電壓幾乎接近于零，這就限制了短路電流。圖3—11ZXG—300型硅整流電焊機(jī)電氣原理圖改變控制回路磁盤電阻R10，浙江特種焊絲訂購，使磁放大器控制繞組FK中直流電發(fā)生變化，鐵芯中的磁通就相應(yīng)發(fā)生變化，浙江特種焊絲訂購，浙江特種焊絲訂購，從而改變了磁放大器交流繞組FD的電流。為減少網(wǎng)路電壓波動(dòng)對(duì)焊接的影響，在控制回路中采用了鐵磁諧振式穩(wěn)壓器，以保證激磁電流的穩(wěn)定，減少對(duì)焊接電流的影響。按動(dòng)K2，通風(fēng)機(jī)組FM停止工作，風(fēng)壓開關(guān)KEY開啟，主接觸器Jc-1斷開。直至1972年小絲徑焊絲開始發(fā)展才**的擴(kuò)展了藥芯焊絲使用的領(lǐng)域。浙江特種焊絲訂購</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江特種焊絲訂購,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265669208984/676197.png"></div><p> 本實(shí)用新型涉及一種用于制造防腐罐焊條的自動(dòng)生產(chǎn)線。背景技術(shù)：防腐罐本體為pph聚丙烯材質(zhì)，采用pph聚丙烯的焊條焊接成型，焊條橫截面為等邊三角形。防腐罐焊條通過塑料擠出機(jī)制作，焊條經(jīng)塑料擠出機(jī)成型后再人工剪切成條。但是塑料擠出機(jī)出來的焊條溫度較高，人工剪切不便于握持，且對(duì)尚未降溫的焊條進(jìn)行剪切易造成焊條變形；但若不及時(shí)進(jìn)行剪切，源源不斷出來的焊條又無處放置。技術(shù)實(shí)現(xiàn)要素：本實(shí)用新型旨在提供一種防腐罐焊條的自動(dòng)生產(chǎn)線，能對(duì)塑料擠出機(jī)出來的pph聚丙烯焊條進(jìn)行及時(shí)冷卻及自動(dòng)剪切成條，并確保焊條質(zhì)量。為此，本實(shí)用新型所采用的技術(shù)方案為：一種防腐罐用焊條自動(dòng)生產(chǎn)設(shè)備，包括塑料擠出機(jī)，還包括水冷循環(huán)系統(tǒng)和自動(dòng)切斷機(jī)構(gòu)，三者從前到后依次布置；所述水冷循環(huán)系統(tǒng)包括機(jī)架，所述機(jī)架上方設(shè)置有長(zhǎng)條形的水槽，所述水槽由水平隔板分割成敞開的上層槽和封閉的下層槽，在水槽的兩端設(shè)置有連通槽，所述上層槽的前壁、后壁上對(duì)應(yīng)開設(shè)有焊條過孔，且焊條過孔的直徑為等邊三角形焊條邊長(zhǎng)的兩倍到三倍之間，在上層槽內(nèi)前后間隔安裝有至少兩根水平設(shè)置的焊條導(dǎo)向桿，且焊條過孔、焊條導(dǎo)向桿在高度上齊平，所述上層槽的冷卻水能經(jīng)焊條過孔流入連通槽。上海焊絲廠藥芯焊絲工藝性能好，焊縫成形美觀采用氣渣聯(lián)合保護(hù)，獲得良好成形。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江特種焊絲訂購,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265684541015/1545447.png"></div><p> 對(duì)電焊鉗的要求是：在任何斜度都能夾緊焊條；具有可靠的絕緣和良好的隔熱性能；電纜的橡膠包皮應(yīng)伸入到鉗柄內(nèi)部，使導(dǎo)體不外露，起到屏護(hù)作用；輕便、易于操作。電焊鉗的規(guī)格和主要技術(shù)數(shù)據(jù)見表3—5。表3—5電焊鉗的規(guī)格和主要技術(shù)數(shù)據(jù)規(guī)格(A)額定值適用焊條直徑(mm)耐電壓性能(V／min)能連接的比較大電纜截面(mm2)負(fù)載持續(xù)率(％)工作電壓(V)工作電流(A)～32300～26160～100035(二)焊接電纜焊條電弧焊在工作中除焊接設(shè)備外，還必須有焊接電纜。焊接電纜應(yīng)采用橡皮絕緣多股軟電纜，根據(jù)焊機(jī)的容量，選取適當(dāng)?shù)碾娎|截面，選取時(shí)可參考表3—6。如果焊機(jī)距焊接工作點(diǎn)較遠(yuǎn)，需要較長(zhǎng)電纜時(shí)，應(yīng)當(dāng)加大電纜截面積使在焊接電纜上的電壓降不超過4V，以保證引弧容易及電弧燃燒穩(wěn)定。不允許用扁鐵搭接或其它辦法來代替連接焊接的電纜，以免因接觸不良而使回路上的壓降過大，造成引弧困難和焊接電弧的不穩(wěn)定。表3—6焊接電纜選用表比較大焊接電流(A)0焊接電纜截面積(mm2)25507095焊機(jī)和焊接手柄與焊接電纜的接頭必須擰緊，表面應(yīng)保持清潔，以保證其良好的導(dǎo)電性能。不良的接觸會(huì)損耗電能，還會(huì)導(dǎo)致焊機(jī)過熱將接線板燒毀或使電焊鉗過熱而無法工作。。</p><p> A052不銹鋼焊條說明:A052是鈦鈣型藥皮的**碳Cr18Ni24Mo5不銹鋼焊條，其焊縫金屬具有耐含甲酸、醋酸介質(zhì)點(diǎn)腐蝕及抗氯離子腐蝕性能，它比A022等焊條耐腐蝕性能為優(yōu)。具有優(yōu)良的焊接工藝性能，可交直流兩用。用途:用于化學(xué)耐硫.酸、醋酸、磷酸的反應(yīng)器、分離器，同時(shí)可用于抗海水腐蝕用鋼（00Cr18Ni24Mo5）以及異種鋼的焊接。A062不銹鋼焊條符合GBE309L-16相當(dāng)AWSE309L-16說明:A062是鈦鈣型藥皮的**碳Cr23Ni13不銹鋼焊條，可交直流兩用，由于含碳量低，故在不含Nb、Ti等穩(wěn)定劑時(shí)也能抵抗因碳化物析出而產(chǎn)生的晶間腐蝕。用途:用于合成纖維、石油化工等設(shè)備制造的相同類型的不銹鋼結(jié)構(gòu)、復(fù)合鋼和異種鋼等構(gòu)件，也可用于核反應(yīng)堆、壓力容器內(nèi)壁過渡層堆焊和塔內(nèi)構(gòu)件焊接。A101不銹鋼焊條符合GBE308-16相當(dāng)AWSE308-16說明:A101是鈦型藥皮的Cr19Ni10不銹鋼焊條，可交直流兩用，施焊時(shí)藥皮具有不發(fā)紅、不開裂的特點(diǎn)，焊縫金屬具有良好的力學(xué)性能及抗晶間腐蝕性能，特別適宜于薄板平焊。用途:用于工作溫度低于300℃的Cr19Ni9及Cr19Ni11Ti的不銹鋼薄板結(jié)構(gòu)的焊接。特色A102不銹鋼焊條特色符合GBE308-16相當(dāng)AWSE308-16說明:A102是鈦鈣型藥皮的Cr19Ni10不銹鋼焊條。氟石、石灰石等需添加在自保護(hù)藥芯焊絲中使燃燒產(chǎn)生保護(hù)氣體。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江特種焊絲訂購,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265669208984/3318362.png"></div><p> 焊條烘干的目的焊條在儲(chǔ)存、運(yùn)輸期間藥皮會(huì)吸潮，使藥皮中的水分增加。焊條使用前進(jìn)行烘干的作用就是降低藥此中的含水量，其目的是：1）減少焊接過程中的飛濺，使焊接電弧能夠穩(wěn)定地燃燒。2）防止在焊縫中產(chǎn)生氣孔。3）防止產(chǎn)生在焊接某些低合金鋼時(shí)由氫引起的延遲裂紋。根據(jù)JB3223—83《焊條質(zhì)量管理規(guī)程》的規(guī)定，酸性焊條烘干的溫度為75～150℃時(shí)間為1～2h。酸性焊條由于對(duì)水分產(chǎn)生氣孔的敏感性不大，所以烘干溫度相對(duì)要低一些。堿性焊條的烘干溫度350--400℃，時(shí)間1--2小時(shí)，烘干后放在100--150℃的保溫箱內(nèi)，隨用隨取。JB4709中有推薦保溫時(shí)間和溫度(非強(qiáng)制性標(biāo)準(zhǔn)),不過實(shí)際使用時(shí)比較好參考焊條質(zhì)保書中的溫度及時(shí)間要求！堿性焊條過高的烘干溫度也是不合適的：一是浪費(fèi)能源；其次是當(dāng)烘干溫度超過500℃時(shí)，藥皮中的某些成分（如CaCO3）就要發(fā)生分解，起不到應(yīng)有的保護(hù)作用。焊條烘干時(shí)的注意事項(xiàng)焊條烘干時(shí)應(yīng)注意如下事項(xiàng)：1）低氫型焊條在常溫下超過4h時(shí)，應(yīng)重新烘干。重復(fù)烘干次數(shù)不宜超過3次。2）烘干焊條時(shí)，禁止將焊條突然放進(jìn)高溫爐內(nèi)，或從高溫爐中突然取出冷卻，防止焊條因驟冷驟熱而發(fā)生的藥皮開裂現(xiàn)象。3）焊條烘干時(shí)應(yīng)作記錄。請(qǐng)按焊絲的類別、規(guī)格分類存放、防止錯(cuò)用。上海焊絲廠</p><p style="text-indent:25px">熔滴的過渡多以球滴過渡為主，飛濺較多。浙江特種焊絲訂購</p><p> 熔敷金屬具有良好的抗裂性能及抗氧化性能。采用直流反接，可進(jìn)行全位置焊用途:用于焊接同類型的不銹鋼、異種鋼及高鉻鋼、高錳鋼等。用途:用于焊接同類型的不銹鋼、異種鋼及高鉻鋼、高錳鋼等。A312不銹鋼焊條符合GBE309Mo-16相當(dāng)AWSE309Mo-16說明:A312是鈦鈣型藥皮的Cr23Ni13Mo2不銹鋼焊條。由于焊縫中含Mo量較高，所以比A302有更好的耐蝕、抗裂及抗氧化性能?？山恢绷鲀捎?，有良好的操作工藝性能。用途:用于焊接耐硫.酸介質(zhì)（硫氨）腐蝕的同類型不銹鋼容器，也可作不銹鋼襯里、復(fù)合鋼板、異種鋼的焊接。A312SL不銹鋼焊條符合GBE309Mo-16相當(dāng)AWSE309Mo-16說明:A312SL是鈦鈣型藥皮的不銹鋼型的滲鋁鋼焊條。熔敷金屬與母材過渡平整，能有效地保護(hù)滲鋁層。交直流兩用，可進(jìn)行全位置焊接。熔敷金屬具有與滲鋁鋼相匹配的耐腐蝕性和抗高溫氧化性。用途:焊接Q235、20g和Cr5Mo等鋼材表面滲鋁部件，也可作異種鋼材的焊接。A402不銹鋼焊條符合GBE310-16相當(dāng)AWSE310-16說明:A402是鈦鈣型藥皮的Cr26Ni21純奧氏體不銹鋼焊條。熔敷金屬900~1100℃高溫條件下具有優(yōu)良的抗氧化**直流兩用，有良好的焊接工藝性能。用途:用于在高溫條件下工作的同類型耐熱不銹鋼焊接。浙江特種焊絲訂購</p><p style="text-indent:25px">簡(jiǎn)敏精密五金制造(上海)有限公司主要經(jīng)營(yíng)范圍是五金、工具，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。簡(jiǎn)敏五金制造致力于為客戶提供良好的模具焊條，模具焊絲，特種焊絲，特種焊條，一切以用戶需求為中心，深受廣大客戶的歡迎。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于五金、工具行業(yè)的發(fā)展。簡(jiǎn)敏五金制造立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2851881.html</p></div></div></div></div></div><div id="jd7nfrb" class="page-right twoColRt"><div id="pb7znz5" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rrfbnrj" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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