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src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275557041015/2604321.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ir3bsz3" 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>南京卡斯特林焊條焊絲生產(chǎn)廠</p><p><span>***更新：</span>2020-06-17 21:25:37</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="wubdkri" 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="78otseq" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="jnuqmiu" class="box"><p><p> 對(duì)本實(shí)用新型作進(jìn)一步說(shuō)明：結(jié)合圖1—圖4所示，一種防腐罐用焊條自動(dòng)生產(chǎn)設(shè)備，由塑料擠出機(jī)a、水冷循環(huán)系統(tǒng)b、自動(dòng)切斷機(jī)構(gòu)c、焊條接斗d組成，四者從前到后依次布置。水冷循環(huán)系統(tǒng)b，南京卡斯特林焊條焊絲生產(chǎn)廠，主要由機(jī)架1、水槽2、焊條導(dǎo)向桿3、水龍頭4、水管5和水泵組成。機(jī)架1上方設(shè)置有長(zhǎng)條形的水槽2，水槽2由水平隔板分割成上層槽2a和下層槽，南京卡斯特林焊條焊絲生產(chǎn)廠，上層槽2a呈敞開(kāi)狀態(tài)，下層槽為封閉狀態(tài)。在水槽2的兩端設(shè)置有連通槽2c。上層槽2a的前壁，南京卡斯特林焊條焊絲生產(chǎn)廠、后壁上對(duì)應(yīng)開(kāi)設(shè)有焊條過(guò)孔2b，焊條過(guò)孔的直徑為等邊三角形焊條19邊長(zhǎng)的兩倍到三倍之間，供從塑料擠出機(jī)出來(lái)的焊條通過(guò)，同時(shí)還能確保上層槽2a的冷卻水由焊條過(guò)孔2b流入連通槽2c。限定焊條過(guò)孔的直徑與等邊三角形焊條邊長(zhǎng)之間的關(guān)系，既能確保對(duì)焊條位置的限定，又能確保水流量。在上層槽2a內(nèi)前后間隔安裝有兩根水平設(shè)置的焊條導(dǎo)向桿3，但不限于兩根，對(duì)通過(guò)的焊條進(jìn)行導(dǎo)向。焊條過(guò)孔2b、焊條導(dǎo)向桿3在高度上齊平，確保焊條在水冷過(guò)程中水平地順暢通過(guò)，防止焊條彎曲變形。上層槽2a的冷卻水能經(jīng)焊條過(guò)孔2b流入連通槽2c，并**終流進(jìn)下層槽，再由水泵將下層槽的水泵入與水龍頭4相連的水管5。水龍頭4位于上層槽2a的前壁上方并正對(duì)焊條過(guò)孔2b。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京卡斯特林焊條焊絲生產(chǎn)廠" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179275557041015/2604321.png"></div><p> 在角焊等遮蔽性差的地方是2~3mm,在開(kāi)槽深的地方是5~6mm,噴嘴至工作的距離一般不超過(guò)15mm。4、為防止焊接氣孔之出現(xiàn),焊接部位如有鐵銹、油污等務(wù)必清理干凈。5、焊接電弧長(zhǎng)度,焊接普通鋼時(shí),以2~4mm為佳,而焊接不銹鋼時(shí),以1~3mm為佳,過(guò)長(zhǎng)則保護(hù)效果不好。6、對(duì)接打底時(shí),為防止底層焊道的背面被氧化,背面也需要實(shí)施氣體保護(hù)。7、為使氬氣很好地保護(hù)焊接熔池,和便于施焊操作,鎢極中心線與焊接處工件一般應(yīng)保持80~85°角,填充焊絲與工件表面夾角應(yīng)盡可能地小,一般為10°左右。8、防風(fēng)與換氣。有風(fēng)的地方,務(wù)請(qǐng)采取擋網(wǎng)的措施,而在室內(nèi)則應(yīng)采取適當(dāng)?shù)膿Q氣措施。二、不銹鋼MIG焊要點(diǎn)及注意事項(xiàng)1、采用平特性焊接電源,直流時(shí)采用反極性(焊絲接正極)2、一般采用純氬氣(純度為)或Ar+2%O2,流量以20~25L/min為宜。3、電弧長(zhǎng)度,不銹鋼的MIG焊接,一般都在噴射過(guò)渡的條件下來(lái)施焊,電壓要調(diào)整到弧長(zhǎng)在4~6mm的程度。4、防風(fēng)。MIG焊接容易受到風(fēng)的影響,有時(shí)微風(fēng)而產(chǎn)生氣孔,所以風(fēng)速在。三、不銹鋼藥芯焊絲焊接要點(diǎn)及注意事項(xiàng)1、采用平特性焊接電源,直流焊接時(shí)采用反極性。使用一般的CO2焊機(jī)就可以施焊,但送絲輪的壓力請(qǐng)稍調(diào)松。2、保護(hù)氣體一般為二氧化碳?xì)怏w,氣體流量以20~25L/min較適宜。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京卡斯特林焊條焊絲生產(chǎn)廠" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265664882812/4463123.png"></div><p> 高強(qiáng)鋼用實(shí)芯焊絲與藥芯焊絲熔敷金屬工藝性試驗(yàn)對(duì)比研究通過(guò)具體的焊接試驗(yàn)，分析總結(jié)出700MPa、900MPa不同級(jí)別實(shí)芯焊絲與藥芯焊絲各自的焊接工藝特點(diǎn)，為公司焊材的選用提供技術(shù)支持。關(guān)鍵詞：調(diào)質(zhì)鋼；焊接熱輸入；實(shí)芯焊絲；藥芯焊絲一、概述隨著工程機(jī)械產(chǎn)品輕量化、大型化的發(fā)展，低合金高強(qiáng)鋼的應(yīng)用領(lǐng)域越來(lái)越多。我公司在履帶式起重機(jī)、全地面起重機(jī)、礦用挖掘機(jī)等工程機(jī)械中已大量使用低合金高強(qiáng)鋼。由于低合金高強(qiáng)鋼的焊接工藝在以前沒(méi)有相關(guān)的資料積累，如何在現(xiàn)有的條件下，解決低合金高強(qiáng)鋼的焊接問(wèn)題，成為當(dāng)前**首要的攻關(guān)內(nèi)容。因此，本文通過(guò)對(duì)高強(qiáng)鋼用實(shí)芯焊絲與藥芯焊絲進(jìn)行焊接試驗(yàn)對(duì)比研究，為公司產(chǎn)品制造提供技術(shù)支持，同時(shí)降低生產(chǎn)成本。二、焊接試驗(yàn)針對(duì)高強(qiáng)鋼母材類(lèi)型，選擇與之匹配的實(shí)芯焊絲和藥芯焊絲進(jìn)行對(duì)比試驗(yàn)。焊接試板坡口形式如附圖所示。試板坡口形式（1）焊接試板某鋼廠生產(chǎn)的Q690E調(diào)質(zhì)鋼，板厚20mm。其化學(xué)成分及力學(xué)性能如表1、表2所示。（2）焊接材料的選擇與試驗(yàn)實(shí)芯焊絲：選用奧林康（OERLIKON）公司的Mn3Ni1CrMo，φ（ESAB）公司的okAristRod69，φ；藥芯焊絲：選用斯泰因（STEIN-MEGAFIL）公司的MF742B，φ742M，φ。。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/293994.html</p></div></div></div></div></div><div id="2yzbdul" 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