How to make injection molding,injection molding process

The main considerations of plastic injection molding and the processes involved:

• First, the injection molding product molding cycle, which includes injection time and product cooling time, the effective control of these times has a profound impact on product quality.Before the injection molding production, we should define the product molding cycle through the sample pattern and other methods.
• Second, the temperature of the injection mold, the temperature and speed of crystallization of different plastic particles are different, and the appearance, deformation, size, and rubber mold of the product have different requirements;This makes the temperature of the injection mold different when using different plastics and product requirements.
• Third, the injection pressure of molten plastic, plastic in the process of filling the mold cavity is facing a great resistance, which makes the size of the injection pressure directly determines the size, weight, density, appearance of the product!If any of these factors are affected then the product becomes scrap. This requires the injection engineer to reasonably define the injection pressure control based on the comprehensive factors of the product.
• Fourth, the injection speed, the speed of injection has an important impact on the appearance and quality of the product.The injection speed is generally achieved by adjusting how much oil is supplied to the injection cylinder per unit time.
• Fifth, barrel temperature and melt temperature, the melt temperature can be measured at the nozzle or using air spray method, the melt temperature plays a major role in the melt flow performance;Plastic has no specific melting point. The so-called melting point is a temperature range in the molten state.The temperature control of these two also plays a vital role in the quality of the product.