A reaction injection moulding, there is a nearly 40-year history of the casting mold, plant, and equipment has a relatively strong strength. Now, after the reform and opening up the development and improvement of its main mold processing MASTER reaction injection moulding should be first-class. Current problems are relatively lag mold clamp processing, becoming the last one mold manufacturing process "bottleneck." Therefore, to work hard in the mold fitter process, the overall balance of the mold processing, can be greatly improved our casting mold, die casting mold output capacity. This could also be casting mold industry a universal problem.
(1) High-speed milling will be more widely used
In recent years, the development of high-speed milling abroad, the spindle speed of up 40000-100000r / min, rapid traverse speeds up to 30-40m / min, tool change time can be increased to 1-3s. This greatly improves the processing efficiency, such as in the processing die casting, can be increased 7-8 times, and the obtained surface roughness ra≤10μm. plastic drawer mold accuracy up to 10μm. It may also be processed hardness 60hrc modules, poses a challenge to the EDM. Therefore, the development of high-speed milling technology will promote the development of the casting mold processing technology.
(2) reaction injection moulding speed scanning and digitizing system will play a greater role
Renishaw company Die scanning system has been applied in our country more than 200 mold factory point to good effect. The system offers many features from the model or physical processing of the scan to the desired model needed, greatly reducing the casting mold development and manufacturing cycle, as renscan200 fast scanning system can be quickly installed on existing CNC milling machines and machining centers achieve rapid data acquisition with Renishaw sp2-1 scan head thin wall injection molding is Renishaw tracecut software can automatically generate a variety of different data systems cad data processing procedures and different formats.
(3) reaction injection moulding polishing will be automated, intelligent direction
Mold surface finish is a good one mold failed to solve the problem, it is also a large mold fitter labor intensity, becoming one of the bottlenecks reasons. Particularly reflected in the hardness of the large metal, casting molds for the final assembly process. China is still dominated by hand, not only inconsistent quality, long period, poor workers and the working environment, which restricts the casting mold to a higher level of development. Therefore, the study of polishing automation, intelligence is a priority. Of course, because of the casting mold, die casting mold cavity complex, polished automation, intelligent has some limitations.
reaction injection moulding simply means that after mixing the two liquid materials in the production of thermoset polymer reaction; referred to RIM. Forming chemical reaction during an injection molding process.
2014年11月28日星期五
2014年11月24日星期一
Suggestions of development MASTER custom injection moulding
2014年11月7日星期五
Custom injection mold structure moulding Although the plastic varieties and properties
Custom injection mold structure moulding Although the plastic varieties and properties, shape, and type of plastic injection molding machine structure and the like which may differ ever-changing, but the basic structure is the same. Die mainly by gating system, thermostat system, molded parts and structural parts. Gating system and molded MASTER custom
plastic mold which are in direct contact with the plastic part, and with the plastics and products change, the mold is the most complex and the biggest change, the most demanding part of the process finish and accuracy. Custom injection moulding mold from the fixed mold and the movable mold of two parts, the movable MASTER thin
wall injection molding is mounted on the movable platen of the injection molding machine, a stationary die mounted on the stationary platen of the injection molding machine. When the injection molding of the movable die and the fixed mold casting system and constitute a closed cavity mold when the movable mold and the fixed mold separation to remove the plastic.
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