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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vz8z3gi" 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>四川NGK火花塞性能,火花塞</p><p><span>***更新：</span>2020-11-19 07:18:04</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="nhzr3s3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海車煜實(shí)業(yè)有限公司</a></p><p><span>聯(lián)系人：</span>陳先生</p><p><span>郵箱: </span>930859129@qq.com</p><p><span>電話: </span>13816252676</p><p><span>傳真: </span>189_</p><p><span>網(wǎng)址: </span>https://fayue.jd.com</p><p><span>手機(jī): </span>189-176868</p><p><span>地址: </span>虹梅南路3833號(hào)</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="n8ldvu7" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="on2zwq5" class="box"><p><p style="text-indent:25px">電弧擊穿的火花塞火花塞比較常見(jiàn)的一種現(xiàn)象是陶瓷體漏電，即飛弧現(xiàn)象。造成這種現(xiàn)象的主要原因是有兩點(diǎn)：1、高壓線老化并硬化，其絕緣性能下降，高壓線和火花塞間產(chǎn)生間隙，空氣中的雜質(zhì)被高壓產(chǎn)生的磁場(chǎng)磁化，四川NGK火花塞性能，在此間隙間變成導(dǎo)電體，從而導(dǎo)致高壓漏電；2、與維修工人的安裝有關(guān)，四川NGK火花塞性能，一般情況，應(yīng)盡量避免用手接觸火花塞的陶瓷體，特別是夏季，手上有汗液，而汗液中含有氯化鈉，四川NGK火花塞性能，屬于離子化合物，是強(qiáng)電解質(zhì)，如果在污染的空氣中，并在幾萬(wàn)伏高壓電的作用下，這些微量的汗液殘留物足以變成導(dǎo)體產(chǎn)生電弧，擊穿火花塞的陶瓷體，致使火花塞失效功率低、壓縮比小的發(fā)動(dòng)機(jī)選用熱值低的熱型火花塞。四川NGK火花塞性能</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川NGK火花塞性能,火花塞" src="https://tyunfile.71360.com/WaterMark/UploadFile/shcheyu/637397600792096556/7556058.png"></div><p style="text-indent:25px">火花塞的熱值是怎么回事？火花塞必須散掉來(lái)自燃燒氣體的熱度，火花塞的熱值就是指其散熱的程度。不同品牌火花塞標(biāo)注熱值的方式不同，都以數(shù)字表示，但并非所有品牌火花塞并非都是數(shù)字值越大表示的熱值越高，如博世品牌火花塞數(shù)字越小表示對(duì)應(yīng)的火花塞熱值越高，而NGK和電裝是數(shù)字越大表示的火花塞熱值越高，不同品牌火花塞熱值需要通過(guò)熱值對(duì)照表來(lái)查詢出互換的型號(hào)?；鸹ㄈ麩嶂翟降捅硎酒渑c燃燒氣體接觸面積大，不易散熱，屬于燃燒型。反之熱值高的火花塞其與燃燒氣體接觸的面積小，容易散熱，屬于冷卻型。因此更換火花塞時(shí)需要選擇與發(fā)動(dòng)機(jī)使用條件相匹配熱值的火花塞，選擇的熱值高了會(huì)造積碳，熱值低了會(huì)出現(xiàn)過(guò)渡燒蝕損壞電極。NGK雙鉑金火花塞代理商火花間隙之間從點(diǎn)火到混合氣的燃燒過(guò)程，可以分為四個(gè)階段。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川NGK火花塞性能,火花塞" src="https://tyunfile.71360.com/WaterMark/UploadFile/shcheyu/637397601029352553/1533582.png"></div><p style="text-indent:25px">如果我們能把火花塞拆下來(lái)，那就更容易判斷了?；鸹ㄈ恼顟B(tài)是：電極部分呈灰白色，灰黃色或淺棕色，電極間隙大約在0.8~1.1mm之間。如果拆下來(lái)的火花塞上面沾滿了油污，或者電極燒蝕嚴(yán)重、間隙過(guò)大、腐蝕變形、雜質(zhì)沉積等，或者絕緣體破損等，這樣的火花塞就需要更換了。不過(guò)如果火花塞上只是積碳較多，但電極沒(méi)有問(wèn)題，這樣的火花塞是可以清洗后繼續(xù)使用的。還有一種是火花塞上面有一圈電暈，很多修理工說(shuō)它是漏氣了，必須換火花塞，但事實(shí)并非如此，它是由于高壓電與機(jī)油分子共同作用產(chǎn)生的，對(duì)火花塞的性能沒(méi)有任何影響。</p><p style="text-indent:25px">火花塞的點(diǎn)火性能是指什么？是通過(guò)火花塞給混合氣點(diǎn)火，燃燒的性能?；鸹ㄩg隙之間從點(diǎn)火到混合氣的燃燒過(guò)程，可以分為四個(gè)階段。一階段指在火花塞間隙間點(diǎn)火，第二階段是火炎核的行成，第三階段是火炎核的成長(zhǎng)擴(kuò)大，第四階段是點(diǎn)燃混合氣體，讓其燃燒。在整個(gè)過(guò)程中第三階段火花塞電極間（中心電極和側(cè)電極）的消減火炎作用（電極奪走火炎核的熱能）有可能將火炎核的火熄滅，造成點(diǎn)火失敗，因此需要確保此處消減火炎作用盡量減?。ɑ鹧缀说某砷L(zhǎng)直接影響火花塞的點(diǎn)火性能），為了提高火花塞點(diǎn)火性能，NGK火花塞采取了一系列的方法，如在中心電極處設(shè)置了90度V字形切口（V字形切口中心電極火花塞），把中心電極做細(xì)（貴金屬火花塞），擴(kuò)大點(diǎn)火間隙（大間隙火花塞），點(diǎn)火位置設(shè)定在燃燒室中心部位附近（突出型火花塞）。熱值越高，表示火花塞的吸熱與散熱平衡能力越強(qiáng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川NGK火花塞性能,火花塞" src="https://tyunfile.71360.com/WaterMark/UploadFile/shcheyu/637397601014567333/4738803.png"></div><p style="text-indent:25px">隨著汽車的配置越來(lái)越高，對(duì)發(fā)動(dòng)機(jī)輸出功率、火花塞的點(diǎn)火要求也越來(lái)越高，為提高火花塞的點(diǎn)火效率，設(shè)計(jì)者都選擇了大幅提高點(diǎn)火電壓的辦法火花塞的各種參數(shù)對(duì)點(diǎn)火性能尤為重要，曾經(jīng)的普通小方火花塞全部通用的時(shí)代已經(jīng)過(guò)去，從收集的市場(chǎng)反饋信息可以看出，還存在著很大一部分修理廠在車輛維修時(shí)對(duì)火花塞應(yīng)用與安裝技術(shù)沒(méi)有足夠的重視，更換火花塞后時(shí)常發(fā)生汽車發(fā)動(dòng)機(jī)抖動(dòng)、冒黑煙、動(dòng)力不足、漏電、甚至有火花塞斷裂導(dǎo)致拉缸或頂缸現(xiàn)象，既使車主抱怨連天，又使自己搭料搭工還失去了客戶的信任。只有更深地了解火花塞各種參數(shù)表示的含義，才能幫助您做出正確判斷，減少火花塞引起的故障發(fā)生。單銥金火花塞是指火花塞中心電極有銥金材質(zhì)。NGK雙鉑金火花塞代理商</p><p style="text-indent:25px">判斷火花塞是否應(yīng)該更換還可以利用設(shè)備進(jìn)行檢測(cè)。四川NGK火花塞性能</p><p style="text-indent:25px">我們平常拆卸火花塞進(jìn)行檢查時(shí)，如果發(fā)現(xiàn)火花塞有電極間隙過(guò)大、電極損耗過(guò)大、電極偏磨、積碳過(guò)多、金屬沉著過(guò)多、絕緣體表面污損、絕緣體破損、裂紋等故障時(shí)，就必須更換火花塞了。一般正常火花塞的電極間隙是0.8-1.1mm，側(cè)電極電極呈金屬色。如果出現(xiàn)側(cè)電極發(fā)白，說(shuō)明可燃混合氣濃度過(guò)低，點(diǎn)火時(shí)間過(guò)早，火花塞散熱不好，提前點(diǎn)火等；如果電極發(fā)黑，積碳多，說(shuō)明燃燒不充分，長(zhǎng)期城市擁堵道路低速行駛或者火花塞熱值選擇不正確等等。四川NGK火花塞性能</p><p style="text-indent:25px">上海法越汽車配件有限公司是一家汽摩配件，機(jī)械設(shè)備及配件，儀器儀表，五金交電，汽車裝飾品，化工原料及產(chǎn)品（除危險(xiǎn)化學(xué)品、監(jiān)控化學(xué)品、煙花爆竹、民用物品、易制毒化學(xué)品），潤(rùn)滑油，光電設(shè)備銷售，電子商務(wù)（不得從事增值電信、金融業(yè)務(wù)），市場(chǎng)營(yíng)銷策劃。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。公司自創(chuàng)立以來(lái)，投身于雨刷器，雨刮片，雨刷片，雨刮片，是汽摩及配件的主力軍。上海法越汽車配件致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來(lái)良好體驗(yàn)。上海法越汽車配件創(chuàng)始人楊雯，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(lái)源地址: http://www.cdcfah.com/cp/2054740.html</p></div></div></div></div></div><div id="rqszw3e" class="page-right twoColRt"><div 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