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src="upfile/20160825092712.jpg" alt="甘肅平?jīng)銎渌芰现破? title="甘肅平?jīng)銎渌芰现破? /><div id="iqbh37rjnky" class="mask mask1"><i></i><img src="img/case1.png" /></div></div></a><div id="iqbh37rjnky" class="wraptext"><div id="iqbh37rjnky" class="company-infor"><h4 class="strong" style="font-size:14px;">浙江精功科技股份有限公司</h4><span>行業(yè)龍頭企業(yè)，上市公司，與首擎合作推廣四年以上</span></div><div id="iqbh37rjnky" class="mask mask2"></div></div></div> </div> <div id="iqbh37rjnky" class="readMore"> <a href="case.html">查看更多案例</a> </div> </div> </div> <div id="iqbh37rjnky" class="info-list"> <a href= https://www.sosearching.com/list-2113.html >塑料制品</a>是采用塑料為主要原料<a href= https://www.sosearching.com/list-3730.html >加工</a>而成的生活、工業(yè)等用品的統稱(chēng)。包括以塑料為原料的注塑、吸塑等所有工藝的制品。塑膠是一類(lèi)具有可塑性的合成高分子材料。<br /> 它與合成<a href= https://www.sosearching.com/list-2851.html >橡膠</a>、合成纖維形成了日常生活不可缺少的三大合成材料。具體地說(shuō)，塑料是以天然或合成樹(shù)脂為主要成分，加入各種添加劑，在一定溫度和壓力等條件下可以塑制成一定形狀，在常溫下保持形狀不變的材料。<br /> <br /> 塑料制品生產(chǎn)一般包括塑料的<a href= https://www.sosearching.com/list-4693.html >配料</a>、成型、<a href= https://www.sosearching.com/list-2588.html >機械加工</a>、接合、修飾和裝配等。后四個(gè)工序是在塑料已成型為制品或半制品后進(jìn)行的，又稱(chēng)為塑料二次加工。<br /> 塑料制品生產(chǎn)之成型塑料加工的關(guān)鍵環(huán)節。將各種形態(tài)的塑料(粉、粒料、溶液或分散體)制成所需形狀的制品或坯件。成型的方法多達三十幾種。它的選擇主要決定于塑料的類(lèi)型(熱塑性還是熱固性)、起始形態(tài)以及制品的外形和尺寸。塑料加工熱塑性塑料常用的方法有擠出、注射成型、壓延、吹塑和熱成型等，塑料加工熱固性塑料一般采用模壓、傳遞模塑，也用注射成型。層壓、模壓和熱成型是使塑料在平面上成型。上述塑料加工的方法，均可用于橡膠加工。此外，還有以液態(tài)單體或聚合物為原料的澆鑄等。在這些方法中，以擠出和注射成型用得最多，也是最基本的成型方法。<br /> <br /> <strong>塑料制品生產(chǎn)之機械加工</strong><br /> <br /> 借用金屬和木材等的塑料加工方法，<a href= https://www.sosearching.com/list-1414.html >制造</a>尺寸很精確或數量不多的塑料制品，也可作為成型的輔助工序，如擠出型材的鋸切。由于塑料的性能與金屬和木材不同，塑料的熱導性差，熱膨脹系數、彈性模量低，當<a href= https://www.sosearching.com/list-1897.html >夾具</a>或刀具加壓太大時(shí)，易于引起變形，切削時(shí)受熱易熔化，且易粘附在刀具上。因此，塑料進(jìn)行機械加工時(shí)，所用的刀具及相應的切削速度等都要適應塑料特點(diǎn)。常用的機械加工方法有鋸、剪、沖、車(chē)、刨、鉆、磨、拋光、螺紋加工等。此外，塑料也可用<a href= https://www.sosearching.com/list-4323.html >激光</a>截斷、打孔和<a href= https://www.sosearching.com/list-3900.html >焊接</a>。<br /> 塑料制品生產(chǎn)之接合塑料加工把<a href= https://www.sosearching.com/list-1483.html >塑料件</a>接合起來(lái)的方法有焊接和粘接。焊接法是使用焊條的熱風(fēng)焊接，使用熱極的熱熔焊接，以及高頻焊接、摩擦焊接、感應焊接、超聲焊接等。粘接法可按所用的<a href= https://www.sosearching.com/list-448.html >膠粘劑</a>，分為熔劑、樹(shù)脂溶液和<a href= https://www.sosearching.com/list-2053.html >熱熔膠</a>粘接。<br /> <br /> <strong>塑料制品生產(chǎn)之表面修飾</strong><br /> <br /> 目的是美化塑料制品表面，通常包括：機械修飾，即用銼、磨、拋光等工藝，去除制件上毛邊、毛刺，以及修正尺寸等；涂飾，包括用<a href= https://www.sosearching.com/list-449.html >涂料</a>涂敷制件表面，用溶劑使表面增亮，用帶花紋薄膜貼覆制品表面等；施彩，包括彩繪、<a href= https://www.sosearching.com/list-1157.html >印刷</a>和燙??；鍍金屬，包括真空鍍膜、<a href= https://www.sosearching.com/list-431.html >電鍍</a>以及化學(xué)法鍍銀等。塑料加工燙印是在加熱、加壓下，將燙印膜上的彩色鋁箔層(或其他花紋膜層)轉移到制件上。許多<a href= https://www.sosearching.com/list-4389.html >家用</a><a href= https://www.sosearching.com/list-12.html >電器</a>及建筑制品、<a href= https://www.sosearching.com/list-1826.html >日用品</a>等，都用此法獲得金屬光澤或木紋等圖案。<br /> 塑料制品生產(chǎn)之裝配用粘合、焊接以及機械連接等方法，使制成的塑料件組裝成完整制品的作業(yè)。例如：塑料型材，經(jīng)過(guò)鋸切、焊接、鉆孔等步驟組裝成塑料窗框和塑料門(mén)。<br /> 未找到與<strong>甘肅平?jīng)銎渌芰现破飞a(chǎn)廠(chǎng)家</strong>相關(guān)的企業(yè)信息，歡迎您提交與<strong>甘肅平?jīng)銎渌芰现破飞a(chǎn)廠(chǎng)家</strong>相關(guān)信息！我們?yōu)槟詣?dòng)推薦以下信息 <ul class="clearfix"> </ul><h1>甘肅平?jīng)銎渌芰现破?/h1><ul class="clearfix"><li><a href="newslist_5.html">平?jīng)鼍W(wǎng)絡(luò )推廣</a></li><li><a href="newslist_6.html">平?jīng)鼍W(wǎng)站建設</a></li><li><a href="newslist_7.html">平?jīng)龃髷祿?/a></li><li><a href="newslist_8.html">平?jīng)鍪浊嬗^(guān)點(diǎn)</a></li><li><a href="newslist_9.html">平?jīng)鐾赓Q知識</a></li><li><a href="newslist_10.html">平?jīng)鼍W(wǎng)絡(luò )課堂</a></li><li><a href="newslist_11.html">平?jīng)鐾赓Q推廣</a></li><li><a href="newslist_12.html">平?jīng)鏊阉饕嫱茝V</a></li><li><a href="newslist_13.html">平?jīng)錾缃幻襟w</a></li><li><a href="newslist_15.html">平?jīng)鲋笖店P(guān)鍵詞</a></li><li><a href="newslist_16.html">平?jīng)鐾怄溬Y源</a></li><li><a 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