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或rotomolding)亦稱(chēng)旋轉(zhuǎn)模型(RM)、旋轉(zhuǎn)成型、回轉(zhuǎn)成型等，被認(rèn)為是大型桶罐等中空成型制品的成型方法，滾塑工業(yè)相對(duì)年輕，早起始于20世紀(jì)50年代末PVC(聚氯乙烯)糊塑料滾塑成型，目前全已有相當(dāng)數(shù)量的滾塑加工廠，其設(shè)備與工藝日趨完善，是一個(gè)已幾乎進(jìn)入所有應(yīng)用領(lǐng)域的塑料工業(yè)中的一個(gè)小分支工業(yè)，但卻是充滿生氣和需求增長(zhǎng)速率高于塑料工業(yè)總體平均增長(zhǎng)率的新興工業(yè)。一般用于成型其他塑料加工成型方法無(wú)法成型的、形狀復(fù)雜的中空制品，設(shè)計(jì)自由度大，無(wú)熔接縫，可成型大規(guī)格制品。</p><p><strong>滾塑成型工藝滾塑制品生產(chǎn)過(guò)程</strong></p><p>在進(jìn)行滾塑制作工藝之前，需要準(zhǔn)備好一些質(zhì)量良好的模子，并將其放置在一臺(tái)塑造機(jī)器上，這臺(tái)鑄造機(jī)器內(nèi)還分別設(shè)有制熱和制冷的兩個(gè)裝置。在安置妥當(dāng)之后，首先把幾塊模具放在機(jī)器上面。然后，在每個(gè)模具內(nèi)放入早期規(guī)則型塑料樹(shù)脂，再將模具從垂直和水平的兩個(gè)角度慢慢地旋轉(zhuǎn)放至烤箱中。融化了的樹(shù)脂將炙熱的模具和外層包裝均勻緊密地粘合在一起。隨后，再將模具放入制冷循環(huán)設(shè)備中，令模具在其中繼續(xù)旋轉(zhuǎn)直至其每一部分的厚度均保持一致。當(dāng)模具被冷凍完畢之后，將其從機(jī)器上取下來(lái)。在整個(gè)制作過(guò)程中，模具轉(zhuǎn)動(dòng)的速度，加熱和冷卻的時(shí)間統(tǒng)統(tǒng)要經(jīng)過(guò)嚴(yán)格的控制。</p><p><strong>滾塑工業(yè)適用范圍滾塑制品的應(yīng)用</strong></p><p>滾塑制品從家用箱桶到工業(yè)容器;從小型球形器皿到汽車(chē)塑料部件直至龐大的工程塑料制品，特別是超大型及非標(biāo)準(zhǔn)、異型中空塑料制品，如耐高腐蝕性材料桶罐;包裝用化工容器，其他工業(yè)運(yùn)輸設(shè)施殼體，軟化水槽和運(yùn)輸箱;兒童玩具部件;數(shù)字顯示器;高爾夫球車(chē)、足球、運(yùn)動(dòng)場(chǎng)和運(yùn)動(dòng)比賽等體育設(shè)施;安全帽;真空吸塵器、除塵器和除草器殼體;交通路障欄;顯示器罩;船身等。</p><p>然而，相對(duì)于其他塑料加工，滾塑工業(yè)仍處于發(fā)展時(shí)期，其生產(chǎn)工藝看起來(lái)簡(jiǎn)單和終端市場(chǎng)的相對(duì)低端通常導(dǎo)致人們對(duì)它有些不夠重視?，F(xiàn)在塑料市場(chǎng)的發(fā)展趨勢(shì)往往是要求生產(chǎn)一體化部件、縮短成型周期和減少加工步驟，以及生產(chǎn)總數(shù)量少、形狀復(fù)雜的制品。</p><p><strong>容器類(lèi)滾塑制件</strong></p><p>這類(lèi)塑料制件廣泛用于儲(chǔ)存和供料箱，貯水槽、各種工業(yè)用化學(xué)品儲(chǔ)存和運(yùn)輸容器，如酸、堿、鹽、化學(xué)肥料、貯槽，化工企業(yè)、工業(yè)涂裝、稀土制取中的洗槽、反應(yīng)罐、周轉(zhuǎn)箱、垃圾箱、化糞池、生活水箱等等。</p><p><strong>交通工具用滾塑制件</strong></p><p>主要是應(yīng)用聚乙烯和聚氯乙烯糊樹(shù)脂，滾塑各種汽車(chē)用件，如空調(diào)彎管、旋渦管、靠背、扶手、油箱、擋泥板、門(mén)框和變速桿蓋、蓄電池殼體，雪上汽車(chē)和摩托的燃料箱、飛機(jī)油箱、游艇及其水箱、小船以及船和船塢之間的緩沖吸震器等。</p><p><strong>體育器材、玩具、工藝品類(lèi)滾塑制件</strong></p><p>主要有聚氯乙烯糊滾塑的各種制件，如水球、浮球、小游泳池、釣魚(yú)船及其水箱、自行車(chē)座墊、滾塑碼垛盤(pán)、沖浪板等等。玩具如小馬、洋娃娃、玩具砂箱、工藝品等。</p><p><strong>各類(lèi)大型或非標(biāo)類(lèi)滾塑制件</strong></p><p>擱物架、機(jī)器外殼、防護(hù)罩、燈罩、農(nóng)用噴霧器、家具、獨(dú)木舟、野營(yíng)車(chē)輛頂篷、運(yùn)動(dòng)場(chǎng)裝置、種植機(jī)、浴室、廁所、間、廣告展示牌、椅子、公路隔離墩、交通錐、河海浮標(biāo)、防撞桶以及建筑施工屏障等等</p><p>從產(chǎn)品的層次看，滾塑制品已經(jīng)從普通的民用品向關(guān)鍵工業(yè)品發(fā)展，其功能也從單一的容器性能向結(jié) 構(gòu)性能轉(zhuǎn)變。隨著滾塑設(shè)備及模具的發(fā)展，滾塑制品的結(jié)構(gòu)復(fù)雜程度已經(jīng)發(fā)展到超乎想象的地步，甚至可以說(shuō)注塑、吹塑、擠塑等工藝無(wú)法完成的制品，*可以通過(guò)滾塑來(lái)完成，制品的幾何尺寸已經(jīng)完做到從0.5L到50m3。如果沒(méi)有受到運(yùn)輸條件的限制，甚至可以做到更大。</p><p>從產(chǎn)品的分類(lèi)看，滾塑制品大致可分為圓柱形水箱(0.25m3~ 50m3)、圓臺(tái)形敞口桶(20L~3000L)、方形敞口桶(30L~2000L)，隨著功能的需要，還可成型為閉口式的各類(lèi)容器，以適應(yīng)不同行業(yè)的需要</p> </div> <div id="yaptwjdjyilo" class="ly_PrevNext"> <ul> <li>上一篇：<a href="/Article-508099.html">PE塑料水箱滾塑成型原料要求</a></li> <li>下一篇：<a href="/Article-508097.html">PE塑料水箱塑料中空容器成型工藝</a></li> </ul> </div> </div>   <div id="yaptwjdjyilo" class="foot_box"> <div id="yaptwjdjyilo" class="footCon"> <div id="yaptwjdjyilo" class="foot_t w1300"> <div id="yaptwjdjyilo" class="foot_lv"> <div id="yaptwjdjyilo" class="foot_logo"><img src="/skins/600058/images/foot_logo.png" /></div> <div id="yaptwjdjyilo" class="foot_nav"> <ul> <li><a href="/">首頁(yè)</a></li> <li><a href="/products.html">產(chǎn)品中心</a></li> <li><a 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