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注塑加工的流程是什么?

来源:http://www.sdlqmj.com 日期:2020-07-06 发布人:liqiang 浏览次数:

  注塑件加工是塑料制品的重要工序,加工过程较为复杂,每一个环节都有着严格要求,一旦出现差错的话,就会造成产品的报废,也正是因为这样,每一个阶段的严格监管和控制也都有很高的标准;注塑件加工流程如下:

The processing of injection molded parts is an important process of plastic products. The processing process is more complex, and each link has strict requirements. Once there is an error, the product will be scrapped. Because of this, the strict supervision and control at each stage also has high standards. The processing process of injection molding parts is as follows:
1、加料。将粒状或粉状塑料加入注塑机料斗,由柱塞和螺杆带入料筒进行加热。
1. Feeding. The granular or powdered plastic is added into the hopper of the injection molding machine, and the plunger and screw are brought into the barrel for heating.
2、塑化。成型塑料在注塑机料筒内经过加热,由固态装变成连续的均化熔体的过程。
2. Plasticization. The process of forming plastics changing from solid state into continuous homogenizing melt after heating in the barrel of injection molding machine.
3、充模。塑化好的塑料熔体在注塑机柱塞或螺杆的推进作用下,已一定的压力和速度经过喷嘴和模具的浇注系统进入并充满模具型腔,这一阶段称为充模。
3. Mold filling. Under the pushing action of plunger or screw of injection molding machine, the plasticized plastic melt enters into the mold cavity with a certain pressure and speed through the injection nozzle and the gating system of the mold. This stage is called filling mold.
4、保压。充模结束后,柱塞或螺杆推动下,熔体仍然保持压力进行补料。
4. Pressure maintaining. After the end of filling, the melt still keeps the pressure for feeding under the push of plunger or screw.
5、倒流。
5. Backflow.
6、冷却。在此阶段,补缩或倒流均不在继续进行,型腔内的塑料继续冷却、硬化和定型。
6. Cool down. At this stage, feeding or backflow are not continued, and the plastic in the cavity continues to cool, harden and set.
7、脱模。塑件冷却后即可开模。
7. Demoulding. The mold can be opened after cooling.
以上就是小编所介绍的关于模具注塑的相关内容,如需更多的内容请点击公司网站:http://www.sdlqmj.com
The above is the related content about injection molding introduced by Xiaobian. For more information, please click the company website: http://www.sdlqmj.com

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