In recent years, some domestic plastic product manufacturers have developed toward large-scale high value-added products and special two-color products under severe operating conditions. Judging from the recent Chinese exhibitions, multi-color molding technology is often the highlight of the show, exhibiting a double increase in the number of dual-color machine manufacturers, and also showing that the two-color machine is booming in China.
Two-color injection molding allows the production of multiple materials to increase product functionality and aesthetics. However, the current sales of two-color injection molding machines in China are not very optimistic. The main reason is that the cost of a two-color injection molding machine is more expensive than that of a monochrome machine, and the mold design is complicated and precise. Recently, domestic plastics processing companies have changed in choosing multi-color injection molding equipment: In the past, most imported models were selected, and nowadays, domestic models have been purchased. On the one hand, due to the high cost of imported machines, inconvenient maintenance services, and inability to meet certain special requirements; on the other hand, due to the development of special models such as domestic large-scale models and two-color machines, the level of technology and processing and assembly have reached International standards, and can be designed to meet the special needs of customers.
According to Associate Professor Wang Junjie of Fuqiangxin Group, observed from several important exhibitions abroad, the European and American manufacturers' products have been upgraded to the "combination" of several basic molding technologies, such as: two-color molding and in-mold labeling (IML), two-color molding and mold adding Internal combination (IMA), two-color molding stack mold (Stack Mold), two-color molding plus IML plus IMA plus lamination mold, two-color molding and sandwich injection. These can all be done on an injection molding machine. Therefore, the two-color technology is getting more and more attention, and not only presents two-color technology, but also must combine with other technologies to create higher benefits, which is the goal that Fuqiangxin and even China's injection molding machine manufacturers must challenge in the next stage.
Unique two-color injection molding machine
Today's two-color molding not only requires the simple combination of two or more colors of plastics, but also has a higher level of precision, aesthetic appearance, better fusion of different color plastics, and higher molding cycle times for injection molding machines. The request. Different manufacturers of equipment have their own advantages and characteristics.
Fu Qiang Xin: Special Design
Fuqiangxin is one of the early manufacturers of two-color injection molding machines in China's presses. The first-generation two-color machines were introduced as early as 1984. Therefore, Fuqiangxin has more advanced technologies and accumulated rich sales performance in the field of two-color and interlayer color mixing molding. The B series precision two-color machines developed include rotary disc type, rotary shaft type, electric type, sandwich type machine, and color mixing machine. At present, FB-R, FB-T, and FB-C have formed ten series of ten specifications, clamping force ranges from 140 tons to 1,000 tons, and the cumulative sales of more than 1,000 units. Taking FB-1000R as an example, this two-color machine has a clamping force of 1,000 tons and a dial diameter of 1600mm. It is one of the few domestically-made two-color machines. Even if compared with the global market, the 1,000-ton two-color machine has only a few large manufacturers. Only ability to manufacture.
The FB-1000R double color machine produced by Fu Qiangxin is one of the few domestically-made two-color machines
The main difference between Fuqiangxin two-color machine and other peer products is that the Fuqiangxin two-color machine is a special model. No matter whether the injection or clamping unit is designed for two-color injection molding, it can be locally modified according to customer needs. In the injection unit, a compact single-cylinder injection is used. Compared with other double-cylinder injection molding machines, the structure of Fuxin is more compact and space-saving. In the clamping unit, the turntable structure is equipped with a patented turntable fixture device to make the positioning accuracy of the equipment.
In addition, the Fuqiangxin FB-C series mixed color sandwich injection molding machine has the following features compared to the traditional injection molding:
For the different plastic products inside and outside, it can replace the secondary processing into a molding.
Due to the different color combinations, new life can be given to old products (molds).
The core material can use low viscosity raw materials to reduce the injection pressure.
This model can also be used to produce single-color products, which provide dual functions and provide a full range of services.
The core material can use recycled scrap or low quality raw materials to reduce costs.
Cortical materials can be made of high-quality materials with special surface properties or anti-electromagnetic interference to increase product performance.
Appropriate skin material and core material can reduce residual stress and increase product strength.
Fu Qiang Xin's two-color machine series products are now widely used in the mobile phone industry, pen industry, automotive industry, hand tool industry and daily necessities industry. Its pen-specific dual-color machine enjoys a high brand reputation in Wenzhou and Ningbo, and many pen-making leading enterprises use the Fuqiangxin two-color machine for production. Fu Qiang Xin's mobile phone keypad dedicated dual-color machine is also widely used in the Korean mobile phone industry. In addition, the 450 tons and 1,000 tons of two-color machine of Fushunxin have been adopted by the automotive lighting companies in Jiangsu and other foreign companies investing in China, and will be exported to Germany in the near future.
Huada: "Common Plastic" Injection Molding
Huada Machinery Co., Ltd. is one of the largest manufacturers of injection molding machines in China and the first company in China to produce multi-material injection molding machines.
Huada's multi-material injection molding machine adopts “co-plastic†injection molding mode to save up to 50% of production time compared to traditional methods. It can save up to 20% or more of waste/defective loss, and has stable product quality. It can also manufacture Such as three-dimensional penetration, surrounded by the bottom and other complex products, in the domestic multi-material injection molding machine industry
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