Use and development of injection molding machine

Jul 26, 2021

Use and development of injection molding machine
The injection molding machine has the ability to mold plastic products with complex appearance, precise size or dense texture with metal inserts at one time. It is widely used in national defense, electromechanical, automobile, transportation, building materials, packaging, agriculture, culture, education and health, and people All areas of daily life.

my country's plastic processing enterprises are scattered all over the country. The technical level of equipment is uneven, and most of the processing enterprises' equipment needs technical transformation. Over the past few years, my countrys plastic machinery industry has made remarkable technological progress. In particular, the gap between the technical level of injection molding machines and foreign brand-name products has been greatly reduced, and significant improvements have been made in terms of control level, product internal quality and appearance. Choosing domestically produced equipment, with a small investment, can also produce products with the same quality as imported equipment. These have created conditions for the technological transformation of enterprises.

Six, the development status of my country's injection molding machine

At present, there are many manufacturers of injection molding machines in China. According to incomplete statistics, there are more than 60 manufacturers. The structure of the injection molding machine has two types: vertical and horizontal. According to the products produced, it can be divided into ordinary and precision injection molding machines. The amount of one shot is 45-51000g; the clamping force is 200-36000kN; the processing raw materials include thermosetting plastics, thermoplastics and rubber. Thermoplastics include polystyrene, polyethylene, polypropylene, nylon, polyurethane, polycarbonate, plexiglass, polysulfone and (acrylonitrile/butadiene/styrene) copolymer (ABS) and so on. From the perspective of processed products, there are general and precision plastic products of single color and double color. The main manufacturers of the above products have their own series, each with its own characteristics. For example, the Jieba CJ series injection molding machine produced by Guangdong Zhende Plastic Machinery Factory Co., Ltd. has two types of CNC and computer control for each specification. Another example is the HTF80X-HFT3600X series injection molding machine produced by Zhejiang Ningbo Haitian Machinery Co., Ltd., which can be used to produce various high-precision thermal plastic products. The machine uses linear mobile sensors to control injection, mold clamping and ejection, and uses multiple CPUs. Electronic control system, large-format color LED display, full computer automatic control.

Ordinary horizontal injection molding machine is still the leading direction of injection molding machine development, and its basic structure has hardly changed. In addition to continuing to improve its control and automation level and reducing energy consumption, manufacturers are developing in the direction of combination and serialization according to market changes. As the same type of injection molding machine is equipped with large, medium and small injection devices, which are combined into a standard type and a combined type, it increases flexibility, expands the scope of use, and improves economic benefits. ?

In recent years, injection molding machine manufacturers in developed industrial countries in the world have continuously improved the functions, quality, supporting capabilities of auxiliary equipment, and automation level of ordinary injection molding machines. At the same time, vigorously develop and develop large-scale injection molding machines, special injection molding machines, reaction injection molding machines and precision injection molding machines to meet the needs of producing plastic alloys, magnetic plastics, and plastic products with inserts.

Injection molding machines are currently one of the fastest-growing types of plastic machinery in China's plastics machinery, and the gap between the level and the developed countries is relatively small. However, it mainly refers to ordinary injection molding machines. In most varieties of super large, various special, special-purpose and precision injection molding machines, some products are still blank, which is the main gap with industrialized countries.

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