Company dynamics

plastic injection molding

  Plastic injection molding is a highly versatile and widely used manufacturing process for producing plastic parts. This process involves injecting molten plastic material into a mold cavity, allowing it to cool and solidify, and then ejecting the finished part. Plastic injection molding offers numerous advantages, making it the preferred choice for many industries.

One of the key advantages of plastic injection molding is its ability to produce complex and intricate parts with high precision and accuracy. The mold design allows for intricate details and tight tolerances, ensuring that each part is manufactured to the exact specifications. This makes plastic injection molding ideal for applications that require intricate geometries, such as medical devices, automotive components, and consumer electronics.Rust mold is known to cause quality issues throughout the plastic part. Plastic molds are mainly made of steel. During work, corrosive gases, water and other substances that cause rust are encountered, so this problem is eliminated.

(1) Gas produced by melting and decomposition.

Some materials will produce volatile gases when heated. These gases are corrosive and will corrode the mold. Therefore, when the equipment stops working, use a soft cloth to clean the mold and close the mold. If it will not be used for a long time, spray rust inhibitor into the cavity and apply butter to the sprue when closing the mold.

(2) Cooling water in the mold.

Cooling water is usually used in the mold for cooling, so there is more moisture around the molding equipment. If the mold cools below the dew point, moisture in the air will form water droplets on the mold surface. If it is not wiped off in time, it will easily rust. Especially after the mold stops working, condensation will occur quickly. Therefore, when molding is stopped, the cooling water is also turned off and the mold is dried.

(3) Carbide produced during molding.


After the mold has been running for a long time, the molding material precipitates and decomposes to form carbides, which often leads to mold wear, corrosion or rust. In this regard, if carbide formation is observed, it should be removed immediately.

Another advantage of plastic injection molding is its efficiency and cost-effectiveness. Once the mold is created, the production process becomes highly automated, allowing for fast and efficient production of large quantities of parts. This results in reduced labor costs and shorter production cycles, making plastic injection molding a cost-effective solution for mass production.

Furthermore, plastic injection molding offers a wide range of material options. There are numerous types of plastic resins available, each with its own unique properties and characteristics. This allows for the selection of the most suitable material for each application, considering factors such as strength, flexibility, chemical resistance, and thermal stability. From commodity plastics to engineering-grade resins, plastic injection molding can accommodate a wide range of material requirements.

Plastic injection molding also provides excellent repeatability and consistency. The automated nature of the process ensures that each part produced is virtually identical to the previous one, maintaining consistent quality and performance. This is crucial for industries that require high levels of precision and consistency, such as aerospace and medical.

In addition to its technical advantages, plastic injection molding is also environmentally friendly. The process generates minimal waste, as excess plastic material can be recycled and reused. This reduces the environmental impact and promotes sustainability in manufacturing.Its ability to produce complex parts with high precision, cost-effectiveness, wide material options, repeatability, scalability, and environmental sustainability make it a preferred choice for many industries. Whether it is for consumer products, automotive components, or medical devices, plastic injection molding offers a reliable and efficient solution for manufacturing high-quality plastic parts.


Contact Us

Contact: plastic injection molding Company

Phone: +86 181 6575 9852

Tel: +86 755-27164277


Add: Northwest of Huihao Industrial Park, No. 1, Chuangwei Road, Guangming District, Shenzhen