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What parameters needed to focus on in the injection molding process?

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What parameters needed to focus on in the injection molding process?
Click number:- Release time:2019-06-29

High-quality plastic parts must be based on high-quality plastic molds. There are no high-quality molds, there will have no quality products,evenwitha powerful injection molding technician.Just like the old saying, no women can cook good dinner without ingredients. However, high-quality plastic molds are also closely related to the injection molding process in order to make high-quality products. The following small series will introduce you the key process parameters in our injection molding.

What parameters needed to focus on in the injection molding process I: Plastic parts molding cycle, which includes injection time and product cooling time, the effective control of these times has a profound impact on the quality of the product. Before injection molding, we should clarify the product molding cycle by sample pattern and other methods.

II: The temperature of the injection mold, different plastic particles, the temperature and speed of crystallization are different, and the appearance, deformation, size, and plastic mold of the product have different requirements, which makes the temperature of the injection mold use. Under different plastics, product requirements, etc., the control of the mold temperature is not the same.

III: Molten plastic injection pressure, plastic in the process of filling the mold cavity is facing a lot of resistance, which makes the injection pressure directly determines the size, weight, density, appearance and so on! If any of these factors are affected, then the product becomes a scrap. This requires the injection engineer to reasonably define the injection pressure control based on the combined factors of the product.

IV: The speed of injection has an important impact on the final appearance quality of the product. The injection speed is generally achieved by adjusting the amount of oil supplied to the injection cylinder per unit time.  

V: The temperature of the barrel and the melt. The temperature of the melt can be measured at the nozzle or by the air jet method. The melt temperature plays a major role in the flow properties of the melt. The plastic has no specific melting point. The so-called melting point is a molten state. The temperature range below. The control of both temperatures also plays a crucial role in the quality of the product.  

What parameters needed to focus on in the injection molding process

Process parameters that require attention in the Injection Molding process generally include those items as above. These process parameters are not divided into major and minor factors. Each factor is crucial for the quality of injection molding products. It is necessary for injection molding engineers to make reasonable information according to different products and different plastic types. The reference to the process parameters has guaranteed the quality requirements of the product.

【Paper label】:injection molding process
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