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class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szdtm01/637425964443488953/4731518.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3ykrykb" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szdtm01/637425964443488953/4731518.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="o7y9j88" 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>深圳耐摩擦pom棒批發(fā),pom</p><p><span>***更新：</span>2020-12-30 02:21:20</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="e2ds3iu" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州多特瑪工程塑料有限公司</a></p><p><span>聯(lián)系人：</span>李先生</p><p><span>郵箱: </span>network@dtmar.com</p><p><span>電話(huà): </span>13701715149</p><p><span>傳真: </span>0512_</p><p><span>網(wǎng)址: </span>http://www.dtmar.cn</p><p><span>手機(jī): </span>0512-62381302</p><p><span>地址: </span>中國(guó)(江蘇)自由貿(mào)易試驗(yàn)區(qū)蘇州片區(qū)蘇州啟月街288號(hào)1商幢2-1005室</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="s8r98bs" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3iphjvh" class="box"><p><p> POM材料特性： </p> <p> 1、機(jī)械性能pom聚甲醛具有很好的拉伸強(qiáng)度、彎曲強(qiáng)度、沖擊強(qiáng)度、剛性及彈性。而且在跨度大的溫度范圍內(nèi)，pom仍保持的高剛性。它是非常適合替代金屬的合成樹(shù)脂。 </p> <p> 2、耐疲勞性、彈性及耐蠕變性對(duì)于長(zhǎng)期的反復(fù)應(yīng)力具有很好的耐疲勞性和彈性的KEPITAL-與各種齒輪類(lèi)、板彈類(lèi)、線(xiàn)圈彈性彈簧、偏心輪、扣具部件等結(jié)構(gòu)零件一起，在反復(fù)應(yīng)力、彎曲、沖擊、振動(dòng)等條件下仍具有耐疲勞特性。pom聚甲醛比其它塑料具有更加不錯(cuò)的耐疲勞特性，它是用于受到反復(fù)應(yīng)力的零部件上的非常適合的材料。 </p> <p> 3、耐磨損性耐摩擦磨損性和耐疲勞性、耐蠕變性一樣是pom的主要特性之一。 </p> <p> 4、耐氣候性在室外或有紫外線(xiàn)場(chǎng)所被使用時(shí)，若非極端條件，使用標(biāo)準(zhǔn)牌號(hào)即可滿(mǎn)足要求。如果需要經(jīng)常處于極端環(huán)境溫度中，推薦使用耐氣候牌號(hào)。 </p> <p> 5、尺寸穩(wěn)定性pom材料成型品具有在常溫下長(zhǎng)期使用也能維持極高的尺寸穩(wěn)定性的特性。成型后的收縮，根據(jù)其模具溫度有所差異。但此過(guò)程1-2小時(shí)開(kāi)始至2-3天之內(nèi)完成，深圳耐摩擦pom棒批發(fā)，深圳耐摩擦pom棒批發(fā)。收縮結(jié)束后在常溫下放置一年以上，其尺寸也基本不變。所以也能用于精密度要求極高的配件上。另外，在極低的溫度和潮濕的環(huán)境中，尺寸變化極小。 POM大量用于制造各種滑動(dòng)轉(zhuǎn)動(dòng)機(jī)械、精密零件，深圳耐摩擦pom棒批發(fā)、齒輪、軸承等。使用行業(yè)遍布汽車(chē)、電子、制衣、醫(yī)療等領(lǐng)域。深圳耐摩擦pom棒批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳耐摩擦pom棒批發(fā),pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637425964443488953/4731518.png"></div><p> <span style="font-size:14px;font-family:";"> <span style="font-size:14px;font-family:";"> </span></span><span style="font-size:14px;font-family:";">pom材料和尼龍材料之間如何區(qū)分和如何選用？</span> </p> <p> <span style="font-size:14px;font-family:";"> 在區(qū)分的時(shí)候：</span> </p> <p> <span style="font-size:14px;font-family:";"> </span> </p> <p> <span style="font-size:14px;font-family:";">1.顏色不同：尼龍本色為象牙色，POM本色為白色。</span> </p> <p> <span style="font-size:14px;font-family:";">2.成分不同：POM是合成樹(shù)脂中的一種，又名聚甲醛樹(shù)脂、POM塑料、賽鋼料等；尼龍是聚酰胺纖維（錦綸）的一種俗稱(chēng)，可制成長(zhǎng)纖或短纖。</span> </p> <p> <span style="font-size:14px;font-family:";"> 在選用的時(shí)候：</span> </p> <p> 加工尺寸穩(wěn)定性方面：POM好于尼龍； </p> <p> <span style="font-family:";font-size:14px;">2.在潮濕環(huán)境下：尼龍吸水性大尺寸會(huì)變形；</span> </p> <p> <span style="font-family:";font-size:14px;">3.在材料強(qiáng)度方面：尼龍強(qiáng)度好；</span> </p> <p> <span style="font-family:";font-size:14px;">4.密度：尼龍是1.14，POM是1.4；</span> </p> <p> <span style="font-family:";font-size:14px;">5.在高耐高溫上：尼龍好，比較高可到120度；</span> </p> <p> <span style="font-family:";font-size:14px;">6.在摩擦系數(shù)方面：POM??；</span> </p> <p> <span style="font-family:";font-size:14px;">7.在耐沖擊強(qiáng)度方面：POM好；</span> </p> <p> <span style="font-family:";font-size:14px;">8.在耐磨性方面：POM好。</span> </p> <p> <span style="font-family:";font-size:14px;">總之，尼龍吸水大耐磨一般強(qiáng)度好耐溫好！POM剛性好耐磨好尺寸穩(wěn)定沖擊好！</span> 南通批發(fā)pom板棒批發(fā)POM板內(nèi)應(yīng)力大，為防止應(yīng)力變形，加工前需經(jīng)過(guò)消除內(nèi)應(yīng)力處理，防止板材彎曲變形。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳耐摩擦pom棒批發(fā),pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637418365812858534/1158856.png"></div><p> <span style="font-size:14px;font-family:""> POM板棒改性研究的技術(shù)路線(xiàn)：</span> </p> <p> <span style="font-size:14px;font-family:""> 1、填充增強(qiáng)改性將無(wú)機(jī)材料如Al2O3、氧化鎂、玻璃纖維、碳纖維、玻璃微珠、云母、滑石粉、碳酸鈣、白炭黑、鈦酸鉀等通過(guò)熔融共混加入到聚甲醛中，從而提高聚甲醛的強(qiáng)度、剛度、硬度、熱變形溫度以及尺寸穩(wěn)定性。填充增強(qiáng)類(lèi)聚甲醛主要應(yīng)用于制備機(jī)械結(jié)構(gòu)復(fù)雜、薄形精密零件及工程制品。</span> </p> <p> <span style="font-size:14px;font-family:""> 2、增韌共混改性以熱塑性聚氨酯（TPU）、丁腈橡膠（NBR）、改性聚烯烴、聚酰胺、木質(zhì)纖維素等作為彈性增韌體，采用機(jī)械共混和接枝共聚的方法制成超韌性POM合金。</span> </p> <p> <span style="font-size:14px;font-family:""> 3、功能化改性提高摩擦磨損性能在聚甲醛樹(shù)脂中加入有機(jī)油或硅油、聚四氟乙烯（PTFE）或二硫化鉬，可以達(dá)到降**品表面摩擦系數(shù)及磨損率的作用。潤(rùn)滑聚甲醛適用于機(jī)械、電子電器用零件的傳動(dòng)部位材料，如齒輪、滾輪、凸輪、連桿類(lèi)制品。①添加PTFE、PE、UHMWPE等自身摩擦系數(shù)較低的結(jié)晶性高分子材料。②添加玻纖、碳纖等纖維狀材料。③添加硅油、礦物油、油脂等潤(rùn)滑油及潤(rùn)滑脂類(lèi)。④添加MoS2、石墨等無(wú)機(jī)粉類(lèi)潤(rùn)滑材料。⑤利用接枝、嵌段等手段在POM分子鏈上引入具有潤(rùn)滑性的鏈段。提高聚甲醛的耐候性在聚甲醛中加入抗氧劑及光穩(wěn)定劑可以提高聚甲醛的耐候性。</span> </p> <span style="font-size:14px;font-family:""> po</span><span style="font-size:14px;font-family:"">m材料加工成pom棒材</span><span style="font-size:14px;font-family:"">怎么加工不變形?</span><span style="font-size:14px;font-family:"">加工前退火。退火步驟如下：POM產(chǎn)品退火步驟：</span> <p> <span style="font-size:14px;font-family:"">1.插入電烤箱的電源；</span> </p> <p> <span style="font-size:14px;font-family:"">2.打開(kāi)電源開(kāi)關(guān)；</span> </p> <p> <span style="font-size:14px;font-family:"">3.將溫度調(diào)節(jié)到160℃；</span> </p> <p> <span style="font-size:14px;font-family:"">4.達(dá)到設(shè)定溫度后，將產(chǎn)品放入爐內(nèi)；</span> </p> <p> <span style="font-size:14px;font-family:"">5.保持時(shí)間會(huì)隨著所加工工件的厚度而增加，這可以在相關(guān)產(chǎn)品的過(guò)程文檔中看到。當(dāng)工藝工程師計(jì)算產(chǎn)品的保持時(shí)間時(shí)，將加工零件的厚度（在工件壁厚的**厚部分測(cè)量，以毫米為單位）乘以每1 MM 5分鐘，得出的小于1 MM為1毫米例如，如果工件的厚度為5.5MM，則保持時(shí)間為30 + 6 * 5 = 60分鐘。等等。 6.打開(kāi)電烤箱門(mén)，取出產(chǎn)品，然后風(fēng)冷至室溫。</span><span style="font-size:14px;font-family:""></span> POM均聚物結(jié)晶度高、搞蠕變性、熱膨脹率更低、耐磨性、機(jī)械強(qiáng)度、剛性、熱變形溫度等比共聚甲醛好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳耐摩擦pom棒批發(fā),pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637418366670993420/9564689.png"></div><p> <span style="font-family:"font-size:14px;"> </span><span style="font-size:14px;font-family:";"> </span><span style="font-size:14px;font-family:";">pom注塑成型的注意事項(xiàng)之</span><span style="font-size:14px;font-family:";">工藝條件：</span> </p><p><span style="font-size:14px;font-family:";">1. 料筒溫度：樹(shù)脂的熔點(diǎn)約165℃，實(shí)際成型時(shí)的比較好溫度是190-210℃，比較好是200-210℃。</span> </p><p><span style="font-size:14px;font-family:";">2. 模具溫度：標(biāo)準(zhǔn)模具溫度是60-80℃，根據(jù)成型品的特性，表面狀態(tài)、使用中尺寸的變化、成型周期等要求不同，需要調(diào)節(jié)模具溫度。有時(shí)為降低成型周期，將模具溫度設(shè)定在30-40℃,但容易留下殘留應(yīng)變及得不到好的外觀(guān)。</span> </p><p><span style="font-size:14px;font-family:";">3. 注射壓力：應(yīng)考慮樹(shù)脂的流動(dòng)性，收縮性，成型品的物性等進(jìn)行設(shè)定。一般為98MPa以上。保壓壓力為49-98MPa。</span> </p><p><span style="font-size:14px;font-family:";">4. 注射速度：一般在5-50mm/s,但應(yīng)考慮成型品的形狀、壁厚、質(zhì)量要求、流道粗細(xì)、澆口尺寸等因素進(jìn)行設(shè)定。</span> </p><p><span style="font-size:14px;font-family:";">5. 背壓：為了計(jì)量穩(wěn)定化及防止發(fā)生注嘴的滴料現(xiàn)象，建議背壓設(shè)定為0.5-1.0MPa。</span> </p><p><span style="font-size:14px;font-family:";">6. 螺桿轉(zhuǎn)速：一般以100-150rpm 為宜。</span> </p><p><span style="font-family:"font-size:14px;">7. 成型收縮率：成型收縮率較大，可高達(dá)2-3.5%。</span> </p><p><span style="font-family:"font-size:14px;">8. 二次加工：可進(jìn)行雕刻，攻絲，壓入，金屬嵌件，切削等二次加工。</span> pom優(yōu)點(diǎn)具有大量的使用溫度范圍(-40℃~120℃)，良好的電氣性質(zhì)，復(fù)原性良好，自已具有潤(rùn)滑性、耐磨性良好。南通批發(fā)pom板棒批發(fā)</p><p style="text-indent:25px">pom賽鋼棒重量=半徑x半徑x長(zhǎng)度x3.14x1.4÷1000把單位換成統(tǒng)一的單位，注：長(zhǎng)度一般為1米1.4為賽鋼密度。深圳耐摩擦pom棒批發(fā)</p><p style="text-indent:25px"> <span style="font-family:"Microsoft YaHei";font-size:14px;"> POM材料板棒在低溫條件下易斷裂怎么解決？POM剛性好，耐磨。但是在低溫下，或者有沖擊的情況下極易開(kāi)裂。這種回特性是因?yàn)榇餚OM的內(nèi)應(yīng)力比較大，要解決此問(wèn)題非常棘手，國(guó)內(nèi)多家改性廠(chǎng)都在尋找比較經(jīng)濟(jì)的解決方案，具當(dāng)前消息，目前POLYMSJ的M系列添加劑可以改變POM的分子排列方式，添加后分子表現(xiàn)出特有的纏繞特性，可以消除POM的內(nèi)應(yīng)力，同時(shí)還具有下列特性：POM的耐寒性能提高，目前已開(kāi)發(fā)出滑雪車(chē)用耐低溫耐磨POM解決POM缺口容易開(kāi)裂的情況提高POM大件，不耐摔的缺點(diǎn)。大幅的提高沖擊指標(biāo)，硬度不下降，耐磨不下降。成本增加極小，符合企業(yè)利益。</span>深圳耐摩擦pom棒批發(fā)</p><p style="text-indent:25px">蘇州多特瑪工程塑料有限公司擁有銷(xiāo)售：塑料制品、金屬制品、化工產(chǎn)品、電子元器件、儀器儀表、通訊設(shè)備及配件、五金、模具及配件、研磨材料、機(jī)電設(shè)備及配件。（依法須經(jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門(mén)批準(zhǔn)后方可開(kāi)展經(jīng)營(yíng)活動(dòng)）等多項(xiàng)業(yè)務(wù)，主營(yíng)業(yè)務(wù)涵蓋POM板 POM棒，PA板 PA棒，PEEK板 PEEK棒，工程塑料聚甲醛。公司目前擁有較多的高技術(shù)人才，以不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，加快企業(yè)技術(shù)創(chuàng)新，實(shí)現(xiàn)穩(wěn)健生產(chǎn)經(jīng)營(yíng)。公司以誠(chéng)信為本，業(yè)務(wù)領(lǐng)域涵蓋POM板 POM棒，PA板 PA棒，PEEK板 PEEK棒，工程塑料聚甲醛，我們本著對(duì)客戶(hù)負(fù)責(zé)，對(duì)員工負(fù)責(zé)，更是對(duì)公司發(fā)展負(fù)責(zé)的態(tài)度，爭(zhēng)取做到讓每位客戶(hù)滿(mǎn)意。公司憑著雄厚的技術(shù)力量、飽滿(mǎn)的工作態(tài)度、扎實(shí)的工作作風(fēng)、良好的職業(yè)道德，樹(shù)立了良好的POM板 POM棒，PA板 PA棒，PEEK板 PEEK棒，工程塑料聚甲醛形象，贏得了社會(huì)各界的信任和認(rèn)可。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2621229.html</p></div></div></div></div></div><div id="ujl3ox7" class="page-right twoColRt"><div id="z2dxjl8" class="box01 margin10 clearfix"><h3><a 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