| 卡板的四种成型方法介绍 |
| 添加时间：2019/3/12 15:01:00 浏览次数： |
| 1、挤出成型法： 挤出成型法生产的塑料卡板均为组装式。即采用挤出机、机头等设备，分别挤出作为上、下面板用的板条和作为连接支撑用的带有复翼的工字形连接板，然后再进行组装。木塑复合材料的出现，推动了挤出成型法塑料卡板的发展。它是以天然植物纤维和废弃塑料为主要原料，使卡板既具有木质感，又具有耐水、防虫害的优点，并且可以刨、锯、钉。 1. Extrusion forming method: The plastic cardboard produced by extrusion forming method is assembled. That is to say, extruder and machine head are used to extrude strips for upper and lower panels and I-shaped connecting plates with compound wings for connecting support respectively, and then assemble them. The emergence of wood-plastic composites has promoted the development of extrusion-moulding plastic cardboard. It uses natural plant fibers and waste plastics as the main raw materials, so that the card board not only has wood texture, but also has the advantages of water resistance and pest prevention, and can be planed, sawed and nailed. 2、真空吸塑成型法： 真空吸塑成型法生产的卡板也有单面型和双面型两种。单面型吸塑卡板多用于小电机以及电线盘等包装、运输，发展较快，且以专用为主。双面型吸塑卡板均为组装式，分2种形式：上半片为挤出的定长、定宽塑料板材，下半片为大型真空吸塑制品；上、下半片均为大型的真空吸塑制品。该法生产成型需要大型的真空吸塑设备，设备费用较低，模具费用也较低，但产品壁厚不均匀。 2. Vacuum suction moulding method: There are two kinds of cardboard produced by vacuum suction moulding method: one-sided and two-sided. Single-sided plastic absorption card is mostly used for packaging and transportation of small motors and wire discs, which develops rapidly and is mainly dedicated. The double-sided suction cards are assembled in two forms: the first half is extruded plastic plate of fixed length and width, the second half is large vacuum suction products, and the upper and lower half are large vacuum suction products. Large vacuum suction equipment is needed for the production and moulding of this method. The cost of equipment and moulds is low, but the wall thickness of the product is not uniform. 3、挤出－中空吹塑成型法：塑料卡板的挤出－中空吹塑成型与一般的中空制品吹塑成型方法相类似，但因其产品较大，且为双面型，需要较大的挤出机、合模机和模具等，不过模具、设备的投入要比注塑成型小得多，工艺简便，成本较低，但制品不密实，平整度较差，壁厚均匀控制比较困难。 3. Extrusion-hollow blow moulding method: The extrusion-hollow blow moulding method of plastic clips is similar to that of general hollow products, but because of its large size and double-sided shape, larger shijiazhuang.71ix.cnwww.juanzhiji.com.cnwww.dianzugui.com.cnwww.shoutao.org.cnwww.qibiji.org.cn www.hrbzhoucheng.net.cnextruders, clamping machines and moulds are needed. However, the investment of moulds and equipment is much smaller than that of injection moulding, the process is simple and the cost is low, but the products are not compact and the flatness is relatively high. Poor wall thickness uniformity control is difficult. 4、注塑成型法：注塑成型法生产的卡板制品平整、光洁、挺括、密实，产品设计自由度较大，分为双面型整体式塑料卡板和双面型组装式塑胶卡板。4. Injection moulding method: The cardboard products produced by injection moulding method are flat, smooth, straightforward and compact, and the product design freedom is large. They are divided into two-sided integral plastic cardboard and two-sided assembled plastic cardboard. |
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