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class="proBig"><div id="kn7ikm7" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szdtm01/637418365812858534/1158856.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pdv7zmd" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szdtm01/637418365812858534/1158856.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="k3dfmtv" 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>南通高硬度pom板批發(fā),pom</p><p><span>***更新：</span>2020-12-09 00:32:47</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="hbjeg33" 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: </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(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] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="jskh8yv" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="s2m8npw" class="box"><p><p> <span style="font-size:16px;font-family:"Microsoft YaHei";">POM板材的擠出成型工藝：包括如下步驟：步驟1、成型前準(zhǔn)備，包括：物料準(zhǔn)備：將POM料與色母料按100:3.2的重量比例混合均勻；設(shè)備調(diào)整：將模具的分流壓縮區(qū)按進(jìn)料口至擠出口方向分為前區(qū)與后區(qū)，將所述前區(qū)、后區(qū)同時(shí)加熱至以下各設(shè)定溫度：前區(qū)165℃～175℃，后區(qū)160℃～170℃，然后恒溫半小時(shí)；當(dāng)所述前區(qū)、后區(qū)的溫度上升至各設(shè)定溫度的四分之三時(shí)，將料筒沿進(jìn)料和輸出方向分為三個(gè)區(qū)，依次為熔融區(qū)、熔體輸送區(qū)、固體輸送區(qū)，對(duì)上述三個(gè)區(qū)加熱至以下各設(shè)定溫度：180℃～185℃，175℃～180℃，170℃～175℃，然后恒溫半小時(shí)；啟動(dòng)主機(jī)，開動(dòng)螺桿，調(diào)節(jié)螺桿轉(zhuǎn)速為3～4轉(zhuǎn)每分鐘；步驟2、塑化排氣：將混合好的物料加入料斗，使物料通過料斗進(jìn)入料筒內(nèi)并在料筒內(nèi)塑化成熔體，塑化產(chǎn)生的氣體通過料筒上設(shè)計(jì)的排氣孔排出；步驟3、擠出成型：熔體進(jìn)入模具型腔并從模具口擠出成型，調(diào)節(jié)螺桿轉(zhuǎn)速為10～12轉(zhuǎn)每分鐘，調(diào)節(jié)模具型腔內(nèi)壓力使熔體緊貼模具定徑內(nèi)壁；步驟4、切板：將冷卻成型的制品進(jìn)行切割；步驟5、堆板：將切割好的制品放置于堆板架上；步驟6，南通高硬度pom板批發(fā)、烘烤：將堆板架上的制品放入烤箱烘烤，南通高硬度pom板批發(fā)。</span> pom賽鋼棒重量=半徑x半徑x長度x3.14x1，南通高硬度pom板批發(fā).4÷1000把單位換成統(tǒng)一的單位，注：長度一般為1米1.4為賽鋼密度。南通高硬度pom板批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通高硬度pom板批發(fā),pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637418365812858534/1158856.png"></div><p> <span style="font-family:"Microsoft YaHei";font-size:16px;">經(jīng)常很多人問塑料pom板和塑料pp板如何區(qū)分，除了常使用的聞，看和摸以外，書面說明的區(qū)別主要有：</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">1、性質(zhì)不同：聚丙烯（PP）擠出板材是PP樹脂添加入各種功能助劑經(jīng)擠出、壓光、冷卻、切割等工藝過程而制成的塑料板材。POM聚甲醛是一種沒有側(cè)鏈、高密度、高結(jié)晶性的線型聚合物。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">2、特點(diǎn)不同：POM塑料對(duì)酸堿穩(wěn)定性略低；而共聚甲醛密度、結(jié)晶度、熔點(diǎn)、強(qiáng)度都較低，但熱穩(wěn)定性好。PP塑料板是一種半結(jié)晶性材料，比PE要更堅(jiān)硬并且有更高的熔點(diǎn)。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">3、性能不同：PP的強(qiáng)度隨著乙烯含量的增加而增大。PP的維卡軟化溫度為150℃。POM塑料主要增強(qiáng)材料為玻璃纖維、玻璃球或碳纖維等，并且玻璃纖維很常用，增強(qiáng)后的力學(xué)性能可提高2～3倍，熱變形溫度提高50℃以上。</span> 杭州批發(fā)pom賽鋼板生產(chǎn)廠家POM具有相對(duì)明顯的熔點(diǎn)，共聚POM為165℃、均聚POM為175℃。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通高硬度pom板批發(fā),pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637418365327809727/4930599.png"></div><p> <span style="font-size:14px;font-family:";">pom注塑成型的注意事項(xiàng)之工藝條件</span><span style="font-size:14px;font-family:";">：</span> </p> <p> <span style="font-size:14px;font-family:";">1. 干燥：樹脂本身的吸濕性很小，因此并不一定需要干燥，但成型時(shí)如含水量大于0.1%,則需進(jìn)行干燥，也有利于避免出現(xiàn)模垢現(xiàn)象，但對(duì)于一些填充品級(jí)，如碳纖維填充，導(dǎo)電品級(jí)，則必須進(jìn)行干燥，干燥條件為80-90℃，3~4小時(shí)。</span> </p> <p> <span style="font-size:14px;font-family:";">2. 回收利用：可以使用再生材料?；厥樟霞词?00%使用10次，其物性都基本上不會(huì)發(fā)生變化，但顏色會(huì)有所變化，原則上是25-30%的回收料與75-70%的新料混合使用。</span> </p> <p> <span style="font-size:14px;font-family:";">3. 熱穩(wěn)定性：在210℃的溫度下停留60分鐘后再進(jìn)行成型，成型出來的制品的拉伸強(qiáng)度幾乎沒有什么變化。具有良好的熱穩(wěn)定性。</span> </p> <p> <span style="font-size:14px;font-family:";">4. 注射機(jī)臺(tái)：用普通注射成型，合模力>成型品的投影面積x40-60MPa。</span> </p> <p> <span style="font-size:14px;font-family:";">5. 料筒容量：產(chǎn)品重量一般為料筒容量的40-80%。</span> </p> <p> <span style="font-size:14px;font-family:";">6. 噴嘴與閉鎖系統(tǒng)：可用開放式噴嘴，但為了防止流涎，比較好選用閉鎖式噴嘴。</span> </p> <p> <span style="font-size:14px;font-family:";">7. 螺桿：用標(biāo)準(zhǔn)型螺桿即可，壓縮比2.8-3.0:1，長徑比：18-22:1。</span> </p> <p> </p><p> <span style="font-size:14px;font-family:"Microsoft YaHei";"> 為了保證pom產(chǎn)品能夠正常投入生產(chǎn)，</span><span style="font-size:14px;font-family:"Microsoft YaHei";">低變形的POM板棒往往</span><span style="font-size:14px;font-family:"Microsoft YaHei";">是很多采購們的必選項(xiàng)，但是工廠在生產(chǎn)的過程中，</span><span style="font-size:14px;font-family:"Microsoft YaHei";">POM 原料</span><span style="font-size:14px;font-family:"Microsoft YaHei";">產(chǎn)品的收縮率很大，</span><span style="font-size:14px;font-family:"Microsoft YaHei";">注塑產(chǎn)品時(shí)因收縮導(dǎo)致變形的現(xiàn)象時(shí)長發(fā)生，在這里，多特瑪?shù)男【幗o提幾點(diǎn)建議</span><span style="font-size:14px;font-family:"Microsoft YaHei";">可以減小變形，主要</span><span style="font-size:14px;font-family:"Microsoft YaHei";">從模具、注塑工藝等方面解決。</span><span style="font-size:14px;font-family:"Microsoft YaHei";">僅供參考：</span> </p><p><span style="font-family:"Microsoft YaHei";font-size:14px;">模具方面：</span> </p><p><span style="font-family:"Microsoft YaHei";font-size:14px;">（</span><span style="font-family:"Microsoft YaHei";font-size:14px;">1）制件的厚度、質(zhì)量要均勻。</span> </p><p><span style="font-size:14px;font-family:"Microsoft YaHei";">（2）冷卻系統(tǒng)bai的設(shè)計(jì)要使模具型腔各部分溫度均勻，澆注系統(tǒng)要使料流對(duì)稱避免因流動(dòng)方向、收縮率不同而造成翹曲，適當(dāng)加粗較難成型部份的分流道、主流道，盡量消除型腔內(nèi)的密度差、壓力差、溫度差。</span> </p><p><span style="font-size:14px;font-family:"Microsoft YaHei";">（3）制件厚薄的過渡區(qū)及轉(zhuǎn)角要足夠圓滑，要有良好的脫模性，如增加脫模余度，改善模面的拋光，頂出系統(tǒng)要保持平衡。</span> </p><p><span style="font-size:14px;font-family:"Microsoft YaHei";">（4）排氣要良好。</span> </p><p><span style="font-size:14px;font-family:"Microsoft YaHei";">（5）增加制件壁厚或增加抗翹曲方向，由加強(qiáng)筋來增強(qiáng)制件抗翹曲能力。</span> </p><p><span style="font-size:14px;font-family:"Microsoft YaHei";">注塑工藝</span><span style="font-size:14px;font-family:"Microsoft YaHei";">方面：</span> </p><p><span style="font-size:14px;font-family:"Microsoft YaHei";">（1）注射壓力太高，保壓時(shí)間太長，熔料溫度太低速度太快會(huì)造成內(nèi)應(yīng)力增加而出現(xiàn)翹曲變形。</span> </p><p><span style="font-size:14px;font-family:"Microsoft YaHei";">（2）模具溫度過高，冷卻時(shí)間過短，使脫模時(shí)的制件過熱而出現(xiàn)頂出變形。</span> </p><p><span style="font-size:14px;font-family:"Microsoft YaHei";">（3）在保持少量充料量下減少螺桿轉(zhuǎn)速和背壓降低密度來限制內(nèi)應(yīng)力的產(chǎn)生。</span> </p><p><span style="font-size:14px;font-family:"Microsoft YaHei";">（4）必要時(shí)可對(duì)容易翹曲變形的制件進(jìn)行模具軟性定形或脫模后進(jìn)行退火處理。</span> POM-C/H（黑色、白色）：分別指的是POM共聚物和POM均聚物。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通高硬度pom板批發(fā),pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637418366303171085/4176517.png"></div><p> <span style="font-size:14px;font-family:";"> pom板棒的電性能：是電絕緣性能優(yōu)良的材料，其體積電阻率為1×1014Ω.cm，表面電阻率為1×1016Ω.cm，電氣強(qiáng)度>30MV/m，容易改性成導(dǎo)電及防靜電材料</span><span style="font-size:14px;font-family:";">，改性后的體積電阻率為1x10Ω.cm，具有良好的導(dǎo)電性能。</span> </p> <p> <span style="font-size:14px;font-family:";"> pom板棒的防火性能：其氧指數(shù)(LOI)為15%，較易燃燒，因此難于達(dá)到UL94V-0的阻燃等級(jí)。</span> </p> <p> <span style="font-size:14px;font-family:";"> pom板棒的耐候性：pom共聚甲醛的耐候性能優(yōu)于均聚甲醛，如添加UV穩(wěn)定劑的共聚甲醛具有更好的耐候性能，適合在戶外使用?？篃崂匣阅軆?yōu)良。</span> POM板內(nèi)應(yīng)力大，為防止應(yīng)力變形，加工前需經(jīng)過消除內(nèi)應(yīng)力處理，防止板材彎曲變形。深圳pom板材批發(fā)</p><p style="text-indent:25px">進(jìn)口POM棒相比國產(chǎn)POM來說，區(qū)別就是料更純一些，內(nèi)部雜質(zhì)更少，料的內(nèi)部無氣孔，而且是消除了應(yīng)力的。南通高硬度pom板批發(fā)</p><p style="text-indent:25px">塑料行業(yè)分析行業(yè)表示，經(jīng)過數(shù)十年的飛速發(fā)展，我國塑料制品銷售：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)部門批準(zhǔn)后方可開展經(jīng)營活動(dòng)）發(fā)生了巨大的變化。在“十二五”期間，我國塑料制品行業(yè)在產(chǎn)業(yè)結(jié)構(gòu)調(diào)整、轉(zhuǎn)型和升級(jí)中不斷發(fā)展。橡塑工業(yè)作為我國輕工行業(yè)支柱產(chǎn)業(yè)之一，近幾年增長速度一直保持在10%以上。塑料制品行業(yè)中，規(guī)模以上企業(yè)產(chǎn)值總額在輕工19個(gè)主要行業(yè)中位居第三，實(shí)現(xiàn)產(chǎn)品銷售率97.8%，高于輕工行業(yè)平均水平。銷售產(chǎn)品極大的特點(diǎn)就是價(jià)格比新料便宜，雖然塑料原料在整體上的性能與屬性均比再生塑料強(qiáng)，但是很多塑料產(chǎn)品并不需要屬性這么良好的材料，如果用新料來生產(chǎn)，就會(huì)浪費(fèi)很多沒必要的屬性。消費(fèi)者對(duì)于不同種類的POM板 POM棒，PA板 PA棒，PEEK板 PEEK棒，工程塑料聚甲醛的訴求提升，從而影響購物決策。品牌只有通過努力溝通才能克服日益增長的消費(fèi)障礙。收集來自海洋中的塑料垃圾回收制成新的包裝能夠提高消費(fèi)者的環(huán)保意識(shí)，但是不能從根本上解決問題。南通高硬度pom板批發(fā)</p><p style="text-indent:25px">蘇州多特瑪工程塑料有限公司一直專注于銷售：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)部門批準(zhǔn)后方可開展經(jīng)營活動(dòng)），是一家橡塑的企業(yè)，擁有自己獨(dú)立的技術(shù)體系。目前我公司在職員工以90后為主，是一個(gè)有活力有能力有創(chuàng)新精神的團(tuán)隊(duì)。公司以誠信為本，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，爭取做到讓每位客戶滿意。公司深耕POM板 POM棒，PA板 PA棒，PEEK板 PEEK棒，工程塑料聚甲醛，正積蓄著更大的能量，向更廣闊的空間、更寬泛的領(lǐng)域拓展。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2321462.html</p></div></div></div></div></div><div id="m7gd8zg" class="page-right twoColRt"><div id="lfhjvmd" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8riuryk" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" 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