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class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szftjdz/637341195047636718/3501569.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ulxuwy2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szftjdz/637341195047636718/3501569.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="drtvnml" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>廣東瓦楞紙機(jī)軸承潤(rùn)滑脂批發(fā)廠家,脂</p><p><span>***更新：</span>2021-01-11 04:14:56</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="icoqxmd" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州福藤井電子科技有限公司</a></p><p><span>聯(lián)系人：</span>曾先生</p><p><span>郵箱: </span>futengjing@163.com</p><p><span>電話: </span>13806263217</p><p><span>傳真: </span>0512_</p><p><span>網(wǎng)址: </span>http://molydo.com</p><p><span>手機(jī): </span>0512-55117038</p><p><span>地址: </span>昆山市玉山鎮(zhèn)聯(lián)邦國際商務(wù)花園1號(hào)樓</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="qzmj2aq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ds79x8r" class="box"><p><p style="text-indent:25px">凝點(diǎn)和傾點(diǎn)：凝點(diǎn)是指在規(guī)定的冷卻條件下油品停止流動(dòng)的較高溫度。油品的凝固和純化合物的凝固有很大的不同。油品并沒有明確的凝固溫度，所謂"凝固"只是作為整體來看失去了流動(dòng)性，并不是所有的組分都變成了固體。潤(rùn)滑油的凝點(diǎn)是表示潤(rùn)滑油低溫流動(dòng)性的一個(gè)重要質(zhì)量指標(biāo)。對(duì)于生產(chǎn)、運(yùn)輸和使用都有重要意義。凝點(diǎn)高的潤(rùn)滑油不能在低溫下使用。相反，在氣溫較高的地區(qū)則沒有必要使用凝點(diǎn)低的潤(rùn)滑油。因?yàn)闈?rùn)滑油的凝點(diǎn)越低，其生產(chǎn)成本越高，造成不必要的浪費(fèi)。一般說來，潤(rùn)滑油的凝點(diǎn)應(yīng)比使用環(huán)境的低溫度低5~7℃。但是特別還要提及的是，廣東瓦楞紙機(jī)軸承潤(rùn)滑脂批發(fā)廠家，在選用低溫的潤(rùn)滑油時(shí)，應(yīng)結(jié)合油品的凝點(diǎn)、低溫粘度及粘溫特性多方面考慮。因?yàn)榈湍c(diǎn)的油品，廣東瓦楞紙機(jī)軸承潤(rùn)滑脂批發(fā)廠家，其低溫粘度和粘溫特性亦有可能不符合要求，廣東瓦楞紙機(jī)軸承潤(rùn)滑脂批發(fā)廠家。凝點(diǎn)和傾點(diǎn)都是油品低溫流動(dòng)性的指標(biāo)，兩者無原則的差別，只是測(cè)定方法稍有不同。同一油品的凝點(diǎn)和傾點(diǎn)并不完全相等，一般傾點(diǎn)都高于凝點(diǎn)2～3℃，但也有例外。潤(rùn)滑脂的抗水性及耐熱性主要由稠化劑所決定。廣東瓦楞紙機(jī)軸承潤(rùn)滑脂批發(fā)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東瓦楞紙機(jī)軸承潤(rùn)滑脂批發(fā)廠家,脂" src="https://tyunfile.71360.com/UploadFile/szftjdz/637341195047636718/3501569.png"></div><p style="text-indent:25px">對(duì)于新的成品潤(rùn)滑油，由于添加劑的使用，顏色作為判斷基礎(chǔ)油精制程度高低的指標(biāo)已失去了它原來的意義。密度：密度是潤(rùn)滑油較簡(jiǎn)單、較常用的物理性能指標(biāo)。潤(rùn)滑油的密度隨其組成中含碳、氧、硫的數(shù)量的增加而增大，因而在同樣粘度或同樣相對(duì)分子質(zhì)量的情況下，含芳烴多的，含膠質(zhì)和瀝青質(zhì)多的潤(rùn)滑油密度較大，含環(huán)烷烴多的居中，含烷烴多的較小。粘度：粘度反映油品的內(nèi)摩擦力，是表示油品油性和流動(dòng)性的一項(xiàng)指標(biāo)。在未加任何功能添加劑的前提下，粘度越大，油膜強(qiáng)度越高，流動(dòng)性越差。湖南特氟龍潤(rùn)滑脂生產(chǎn)用于制備潤(rùn)滑脂的稠化劑有兩大類。皂基稠化劑和非皂基稠化劑。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東瓦楞紙機(jī)軸承潤(rùn)滑脂批發(fā)廠家,脂" src="https://tyunfile.71360.com/UploadFile/szftjdz/637341195032246093/2480873.png"></div><p style="text-indent:25px">酸值、堿值和中和值：酸值是表示潤(rùn)滑油中含有酸性物質(zhì)的指標(biāo)，單位是mgKOH/g。酸值分強(qiáng)酸值和弱酸值兩種，兩者合并即為總酸值（簡(jiǎn)稱TAN）。我們通常所說的"酸值"，實(shí)際上是指"總酸值（TAN）"。堿值是表示潤(rùn)滑油中堿性物質(zhì)含量的指標(biāo)，單位是mgKOH/g。堿值亦分強(qiáng)堿值和弱堿值兩種，兩者合并即為總堿值（簡(jiǎn)稱TBN）。我們通常所說的"堿值"實(shí)際上是指"總堿值（TBN）"。中和值實(shí)際上包括了總酸值和總堿值。但是，除了另有注明，一般所說的"中和值"，實(shí)際上*是指"總酸值"，其單位也是mgKOH/g。</p><p style="text-indent:25px">所選潤(rùn)滑脂應(yīng)與其使用目的相適應(yīng)：對(duì)于潤(rùn)滑用的脂須按摩擦副的類型、工況、工作狀態(tài)、環(huán)境條件和供脂方式等的不同而作具體選擇；對(duì)于保護(hù)用的脂，應(yīng)能有效地保護(hù)金屬免受腐蝕，如保護(hù)與海水水接觸的機(jī)件，應(yīng)選擇粘附能力強(qiáng)、抗水能力大的鋁基潤(rùn)滑脂；一般保護(hù)用脂可選用固體烴稠化高粘度基礎(chǔ)油制成的脂。對(duì)于密封用脂，應(yīng)注意其抵抗被密封介質(zhì)溶劑的性能。所選潤(rùn)滑脂應(yīng)盡量保證減少脂的品種，提高經(jīng)濟(jì)效益。：在滿足要求的情況下，盡量選用鋰基脂、復(fù)合皂基脂、聚脲脂等多效通用的潤(rùn)滑脂。這樣，既減少了脂的品種，簡(jiǎn)化了脂的管理，且因多效脂使用壽命長(zhǎng)而可降低用脂成本，減少維修費(fèi)用。一般認(rèn)為，潤(rùn)滑油脂閃點(diǎn)比使用溫度高20~30℃，即可安全使用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東瓦楞紙機(jī)軸承潤(rùn)滑脂批發(fā)廠家,脂" src="https://tyunfile.71360.com/UploadFile/szftjdz/637341195136279297/1304612.png"></div><p style="text-indent:25px">為降低潤(rùn)滑部位或潤(rùn)滑系統(tǒng)內(nèi)的潤(rùn)滑油溫度，可以考慮加裝冷卻器或散熱片，以延長(zhǎng)潤(rùn)滑油的使用壽命。大氣中的濕度對(duì)選用潤(rùn)滑油也有一定影響。在大氣中濕度較高的條件下，容易引起機(jī)械部件金屬表面生銹，應(yīng)該選用防銹劑的潤(rùn)滑油。大氣中含鹽分較高時(shí)，應(yīng)該選用對(duì)海水具有防銹能力的潤(rùn)滑油。制造商的規(guī)定：對(duì)于進(jìn)口的或國產(chǎn)的機(jī)械設(shè)備，應(yīng)當(dāng)遵照制造商說明書規(guī)定使用潤(rùn)滑油。若說明書同時(shí)列出國內(nèi)外主要供應(yīng)商的潤(rùn)滑油品牌、品種、質(zhì)量等級(jí)等，由于對(duì)于同一潤(rùn)滑部位各品牌油品質(zhì)量大致相近或相當(dāng)，應(yīng)該詳細(xì)研究不同品牌的說明書及規(guī)格，由廠方和供應(yīng)商技術(shù)人員共同討論決定，更為妥當(dāng)。潤(rùn)滑脂主要是由稠化劑、基礎(chǔ)油、添加劑三部分組成。天津氟化硅潤(rùn)滑脂售價(jià)</p><p style="text-indent:25px">在同樣粘度或同樣相對(duì)分子質(zhì)量的情況下，含芳烴多的，含膠質(zhì)和瀝青質(zhì)多的潤(rùn)滑油脂密度較大。廣東瓦楞紙機(jī)軸承潤(rùn)滑脂批發(fā)廠家</p><p style="text-indent:25px">軸承潤(rùn)滑脂的正確選用：軸承潤(rùn)滑脂即用在軸承上的潤(rùn)滑脂，其目的是使軸承滾動(dòng)面及滑動(dòng)面間形成一層薄薄的油膜，以防止金屬與金屬直接接觸，從而減少軸承內(nèi)部摩擦及磨損，防止燒粘，滑脂對(duì)軸承作用如下：（1）減少摩擦及磨損：在構(gòu)成軸承的套圈。滾動(dòng)體及保持器的相互接觸部分，防止金屬接觸，減少摩擦。磨損。（2）延長(zhǎng)疲勞壽命：軸承的轉(zhuǎn)動(dòng)疲勞壽命，在旋轉(zhuǎn)中，滾動(dòng)接觸面潤(rùn)滑良好，則延長(zhǎng)。反之，油粘度低，潤(rùn)滑油膜厚度不好，則縮短。（3）排出摩擦熱。冷卻：循環(huán)給油法等可以用油排出由摩擦發(fā)生的熱，或由外部傳來的熱，達(dá)到冷卻的效果。防止軸承過熱，防止?jié)櫥妥陨砝匣＃?）其他：還有防止異物侵入軸承內(nèi)部，或防止生銹。腐蝕之效果。為充分發(fā)揮以上作用，務(wù)必選用適合于使用條件的潤(rùn)滑方法和較好的潤(rùn)滑劑，設(shè)計(jì)出可去除潤(rùn)滑劑中塵埃及防止外部異物侵入和潤(rùn)滑劑泄漏的適宜密封裝置。廣東瓦楞紙機(jī)軸承潤(rùn)滑脂批發(fā)廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2794342.html</p></div></div></div></div></div><div id="28x9b5c" class="page-right twoColRt"><div id="jtqsmif" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wbjgxjg" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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