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山東模具廠介紹吹塑加工的加工方法

來源:http://www.giulya.com 日期:2021-04-28 發布人:liqiang 瀏覽次數:
吹塑加工分擠吹和注吹兩種,這里山東模具制造廠家小編為大家簡單介紹一下吹塑加工的加工方法。注吹則是通過胚管再吹塑,注吹也叫拉吹,拉吹又分一步法和二步法。
Blow molding process is divided into extrusion blow and injection blow. Here is a brief introduction to the processing method of blow molding. Injection blowing is through the tube blowing again, injection blowing is also called drawing blowing, drawing blowing is divided into one-step and two-step.
一步法的拉吹則是注塑和拉吹是一臺機器完成,先注出型胚(型胚模具須帶模溫生產)以確保足夠吹氣膨脹的溫度進入拉吹模腔進行拉吹。二步法則是注塑機先注出型胚后再次加溫進行拉吹。注吹的瓶子由于是先注出管坯再吹成瓶,其瓶壁更加均勻,而且表明更加光亮沒有合縫線更能彰顯出產品的檔次。
The one-step drawing and blowing is injection molding and drawing and blowing is completed by one machine. First, the mold is injected (the mold must be produced with mold temperature) to ensure that the temperature of blowing expansion is enough to enter the drawing and blowing mold cavity for drawing and blowing. The two-step rule is that the injection molding machine first injects the mold and then heats it up again for drawing and blowing. Because the injection blow bottle is first injected tube blank and then blown into a bottle, the wall of the bottle is more uniform, and it shows that the bottle is more bright, and the grade of the product can be highlighted without seam line.
擠吹法:擠吹瓶的瓶底有一條合縫線。先瓶胚、后擠吹的落后工藝,使瓶口邊緣不平整、不光滑,手工刮擦后造成的毛刺回降低瓶口密封性,同時平底桶在消 毒清洗時容易造成藥 物殘留,發生二次污染。個別水桶生產廠家為了降低成本,將廢料、回料或回收水桶作為原料使用,嚴重影響水桶質量,水桶表面程黑灰、或發紅、發紫等。水桶在高溫時容易產生有害物質,與呈弱酸性的純凈水發生一系列物、化反應,造成純凈水保質期縮短或變質。
Squeeze blow method: there is a seam line at the bottom of the squeeze blow bottle. The backward process of bottle embryo first and then squeeze blowing makes the edge of bottle mouth uneven and unsmooth. The burr caused by manual scraping reduces the sealing of bottle mouth. At the same time, the flat bottom barrel is easy to cause drug residues and secondary pollution during disinfection and cleaning. In order to reduce the cost, individual bucket manufacturers use waste, recycled or recycled buckets as raw materials, which seriously affects the quality of buckets. The surface of buckets is black and gray, or red and purple. The bucket is easy to produce harmful substances at high temperature, and has a series of physicochemical reactions with weakly acidic purified water, resulting in shortened shelf life or deterioration of purified water.
注拉吹法:采用進精 密設備,該設備直接調溫,注、拉、吹一體化完成,設備工藝決定只能使用粒狀的新材料,該原料為美國GE公司生產的PC材料(聚碳酸脂)。水桶外觀透明光滑、韌性強、桶壁均勻、無雜質、無晶點、分子結構穩定,能確保產品質量并延長產品保質期。
Injection, drawing and blowing method: precision equipment is adopted, which can adjust temperature directly, and the integration of injection, drawing and blowing is completed. The equipment process determines that only granular new material can be used, and the raw material is PC material (polycarbonate) produced by American GE company. The appearance of the bucket is transparent and smooth, with strong toughness, uniform wall, no impurity, no crystal point and stable molecular structure, which can ensure the product quality and extend the shelf life of the product.

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