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class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265671318359/8288159.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3fmokes" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265671318359/8288159.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="s2evcyv" 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>蘇州RD12M焊絲供應(yīng)商,焊絲</p><p><span>***更新：</span>2021-01-05 02:03:47</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="rkqr7tj" 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="s8a8v3z" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="g3pt7fr" class="box"><p><p> 對(duì)本實(shí)用新型作進(jìn)一步說明：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，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，上層槽2a呈敞開狀態(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、后壁上對(duì)應(yīng)開設(shè)有焊條過孔2b，焊條過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)出來的焊條通過，同時(shí)還能確保上層槽2a的冷卻水由焊條過孔2b流入連通槽2c。限定焊條過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，蘇州RD12M焊絲供應(yīng)商，對(duì)通過的焊條進(jìn)行導(dǎo)向，蘇州RD12M焊絲供應(yīng)商。焊條過孔2b、焊條導(dǎo)向桿3在高度上齊平，確保焊條在水冷過程中水平地順暢通過，防止焊條彎曲變形。上層槽2a的冷卻水能經(jīng)焊條過孔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)焊條過孔2b，蘇州RD12M焊絲供應(yīng)商。熔滴的過渡多以球滴過渡為主，飛濺較多。蘇州RD12M焊絲供應(yīng)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州RD12M焊絲供應(yīng)商,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265671318359/8288159.jpg"></div><p> 第三節(jié)焊條電弧焊與電弧切割設(shè)備的基本結(jié)構(gòu)和工作原理圖3—6焊機(jī)分類焊條電弧焊所用焊機(jī)按電源的種類可分為交流弧焊機(jī)和直流弧焊機(jī)兩大類。其中直流弧焊機(jī)按變流的方式不同又分為：弧焊整流器、逆變弧焊機(jī)和旋轉(zhuǎn)式直流弧焊發(fā)電機(jī)(現(xiàn)已淘汰)等。每一類型的焊機(jī)根據(jù)原理和結(jié)構(gòu)特點(diǎn)又可分為多種型式，具體見圖3—6一、交流弧焊機(jī)(一)結(jié)構(gòu)交流弧焊機(jī)的三個(gè)類別的結(jié)構(gòu)分別如圖3—7～圖3—9所示。圖3—7BX1—330交流弧焊機(jī)1—初級(jí)繞組；2、3—次級(jí)繞組；4—?jiǎng)予F芯；5—靜鐵芯；6—接線板；7—搖把圖3—8BX2—500型(同體式)焊機(jī)結(jié)構(gòu)示意圖1—固定鐵心2—初級(jí)繞組3—次級(jí)繞組4—電抗線圈5—活動(dòng)鐵心圖3—9BX3—300型(動(dòng)圈式)焊機(jī)結(jié)構(gòu)示意圖1—初級(jí)線圈2—次級(jí)線圈3—鐵心(二)工作原理目前應(yīng)用*****的“動(dòng)鐵式”交流焊機(jī)如圖3—7所示。它是一個(gè)結(jié)構(gòu)特殊的降壓變壓器，屬于動(dòng)鐵芯漏磁式類型。焊機(jī)的空載電壓為60～70V。工作電壓為30V，電流調(diào)節(jié)范圍為50～450A。鐵芯由兩側(cè)的靜鐵芯5和中間的動(dòng)鐵芯4組成，變壓器的次級(jí)繞組分成兩部分，一部分緊繞在初級(jí)繞組1的外部，另一部分繞在鐵芯的另一側(cè)。前一部分起建立電壓的作用，后一部分相當(dāng)于電感線圈。焊接時(shí)。江西SM2R焊絲工廠焊絲主要用于二氧化碳?xì)怏w保護(hù)焊、埋弧焊和電渣焊。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州RD12M焊絲供應(yīng)商,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265688232422/703661.png"></div><p> 焊條介紹及1、焊芯及藥皮涂有藥皮的供手弧焊用的熔化電極，叫做焊條。焊條由藥皮和焊芯兩大部分所組成。焊條端部有一段沒有藥皮的夾持端，被焊鉗夾住后可以傳導(dǎo)電流（藥皮不導(dǎo)電），焊條末端的藥皮磨成錐形，便于焊接時(shí)引弧。焊條上端藥皮處印有該焊條的型號(hào)或牌號(hào)，以便焊工使用時(shí)識(shí)別。（1）焊芯碳素結(jié)構(gòu)鋼和低合金結(jié)構(gòu)鋼焊接用的焊條，其焊芯材料為低碳鋼。常用牌號(hào)為H08A，含義如下：H08A焊芯的化學(xué)成分，見表3-1。碳在焊接過程中會(huì)引起飛濺，并使焊縫產(chǎn)生氣孔和裂紋，所以必須限制焊芯中碳的含量。焊芯的長(zhǎng)度與焊芯的直徑（即焊條的直徑）有關(guān)，見表3-2。焊芯直徑越細(xì)，電阻越大，焊接時(shí)由于電流通過焊芯所產(chǎn)生的電阻熱也越大，使藥皮發(fā)紅變質(zhì)，所以其長(zhǎng)度就越短。生產(chǎn)中常用的焊芯直徑是，，。（2）藥皮在焊接過程中藥皮的作用是：1）使電弧穩(wěn)定燃燒。2）產(chǎn)生熔渣和氣體，防止空氣中的氧、氮侵入焊縫金屬，以提高焊縫質(zhì)量。3）產(chǎn)生的熔渣覆蓋在焊縫上，使焊縫表面成形良好。4）通過熔渣與熔化金屬之間的化學(xué)反應(yīng)，能增加焊縫金屬中合金元素的含量，改善和提高焊縫金屬的力學(xué)性能。</p><p> 不銹鋼焊條簡(jiǎn)介G202不銹鋼焊條符合GBE410-16相當(dāng)AWSE410-16說明:G202是鈦鈣型藥皮的Cr13不銹鋼焊條，可交直流兩用。用途:用于焊接0Cr13和1Cr13不銹鋼結(jié)構(gòu)，也用于耐蝕、耐磨的表面堆焊。G207不銹鋼焊條符合GBE410-15相當(dāng)AWSE410-15說明:G207是堿***皮的鉻不銹鋼焊條，采用直流反接，可進(jìn)行全位置焊接。用途:用于0Cr13及1Cr13不銹鋼結(jié)構(gòu)焊接，也可用于耐蝕堆焊，可全位置焊接。G217不銹鋼焊條符合GBE410-15相當(dāng)AWSE410-15說明:G217是堿***皮的Cr13不銹鋼焊條，采用直流反接，可進(jìn)行全位置焊接。用途:用于焊接0Cr13和1Cr13、2Cr13不銹鋼結(jié)構(gòu)，如汽輪機(jī)葉片的補(bǔ)焊及對(duì)接，也可用于耐蝕、耐磨的表面堆焊。G302不銹鋼焊條符合GBE430-16相當(dāng)AWSE430-16說明:G302是鈦型藥皮的Cr17不銹鋼焊條，可交直流兩用。用途:用于焊接耐硝酸腐蝕、耐熱的Cr17不銹鋼結(jié)構(gòu)。G307不銹鋼焊條符合GBE430-15相當(dāng)AWSE430-15說明:G307是堿***皮的Cr17不銹鋼焊條，采用直流反接，可進(jìn)行全位置焊接。用途:用于焊接耐硝酸腐蝕、耐熱的Cr17不銹鋼結(jié)構(gòu)。非常適合鑄造件缺點(diǎn)，零件表面拉傷、磨損，模具缺點(diǎn)的修復(fù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州RD12M焊絲供應(yīng)商,焊絲" src="http://tyunfile.71360.com/UploadFile/shjianmin2/637179265669218750/3372736.png"></div><p> 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、不銹鋼焊接要點(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，一般都在噴射過渡的條件下來施焊，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，都應(yīng)當(dāng)采取防風(fēng)措施。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。3、焊嘴與工件間的距離以15~25mm為宜。4、干伸長(zhǎng)度，一般的焊接電流為250A以下時(shí)約15mm。主要用于工件表面的手工堆焊，以滿足如抗氧化、耐磨損和高溫下耐腐蝕等特殊性能要求。蘇州RD12M焊絲供應(yīng)商</p><p style="text-indent:25px">藥芯焊絲可用于碳鋼，低合金高張力鋼，**度淬火回火鋼，不銹鋼以及硬面耐磨鋼材等的焊接。蘇州RD12M焊絲供應(yīng)商</p><p> 1954年哈爾濱鍋爐廠從德國(guó)引進(jìn)氬弧焊是在普通電弧焊的原理的基礎(chǔ)上,利用氬氣對(duì)金屬焊材的保護(hù),通過高電流使焊材在被焊基材上熔化成液態(tài)形成熔池,使被焊金屬和焊材達(dá)到冶金結(jié)合的一種焊接技術(shù),由于在高溫熔融焊接中不斷送上氬氣,使焊材不能和空氣中的氧氣接觸,從而防止了焊材的氧化。手工鎢極氬弧焊時(shí)選擇電源的種類和極性的方法手工鎢極氬弧焊的電源有直流電源和交流電源,直流電源有直流正接法和直流反接法。直流正接法:焊件接正極,鎢極接負(fù)極,這樣焊接時(shí),電子高速?zèng)_向焊件,焊接溫度高,熔池深而窄。正離子沖向鎢極,鎢極熱量低損耗小。該方法適用于耐熱鋼、合金鋼、不銹鋼、銅、鈦等金屬的焊接。直流反接法:焊件接負(fù)極,鎢極接正極,焊接時(shí)電子高速?zèng)_向鎢極,鎢極熱量高,消耗快,故一般不使用。用于焊接高熔點(diǎn)氧化膜的鋁、鎂及其合金。交流電源由于極**替變化,它既有“陰極霧化”作用,又有鎢極消耗比直流反接法少的特點(diǎn),適用于鋁、鎂及其合金的焊接。手工鎢極氬弧焊時(shí)噴嘴的選擇方法噴嘴大小和形狀直接影響氬氣保護(hù)區(qū)的保護(hù)范圍和效果,常用的噴嘴有6號(hào),7號(hào),8號(hào),10號(hào)。噴嘴直徑的選擇不宜過大,否則會(huì)妨礙操作,浪費(fèi)氬氣;但也不宜過小,否則熔池保護(hù)不好,容易產(chǎn)生缺點(diǎn)。蘇州RD12M焊絲供應(yīng)商</p><p style="text-indent:25px">簡(jiǎn)敏精密五金制造(上海)有限公司是一家精密五金、普通機(jī)械設(shè)備加工(限分支機(jī)構(gòu)經(jīng)營(yíng))、銷售;模具加工(限分支機(jī)構(gòu)經(jīng)營(yíng))及維修;工業(yè)設(shè)備、包裝材料、焊材、五金配件的加工(以上限分支機(jī)構(gòu)經(jīng)營(yíng))、銷售;工業(yè)自動(dòng)化設(shè)備安裝及維修(除特種設(shè)備);自行車及配件(電動(dòng)自行車按本市產(chǎn)品目錄經(jīng)營(yíng))、蓄電池、橡膠制品、電動(dòng)工具、焊接材料、汽車配件、金屬材料、鋼材、建材的批發(fā)兼零售。的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。簡(jiǎn)敏五金制造作為精密五金、普通機(jī)械設(shè)備加工(限分支機(jī)構(gòu)經(jīng)營(yíng))、銷售;模具加工(限分支機(jī)構(gòu)經(jīng)營(yíng))及維修;工業(yè)設(shè)備、包裝材料、焊材、五金配件的加工(以上限分支機(jī)構(gòu)經(jīng)營(yíng))、銷售;工業(yè)自動(dòng)化設(shè)備安裝及維修(除特種設(shè)備);自行車及配件(電動(dòng)自行車按本市產(chǎn)品目錄經(jīng)營(yíng))、蓄電池、橡膠制品、電動(dòng)工具、焊接材料、汽車配件、金屬材料、鋼材、建材的批發(fā)兼零售。的企業(yè)之一，為客戶提供良好的模具焊條，模具焊絲，特種焊絲，特種焊條。簡(jiǎn)敏五金制造始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。簡(jiǎn)敏五金制造創(chuàng)始人龔儉生，始終關(guān)注客戶，創(chuàng)新科技，竭誠(chéng)為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2705136.html</p></div></div></div></div></div><div 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