With the development of high-speed heavy-duty vehicles, the reliability of automotive braking systems has become increasingly important. At present, China's market imports of brand light trucks, light passengers more equipped with four-wheel hydraulic disc brakes, ABS and EBD and other intelligent braking systems. Domestic light trucks and light passengers are still using traditional drum brakes due to factors such as cost and technology.
The light truck and light passenger four-wheel hydraulic disc brakes are another major innovation after drum brakes. The disc brake has fast heat dissipation, light weight, easy adjustment, strong braking force, good high temperature resistance under high load, and stable braking performance. It has greater advantages than drum brakes in winter and bad road conditions.
After 12 years of continuous research and development, Libang Group has now established two brake R&D and manufacturing bases in Ruian Tangxia and Pingyang, Wenzhou, Zhejiang. Based on these two platforms, the R&D team of Libang Light-duty trucks and light-off four-wheel hydraulic disc brakes cooperated with OEM OEMs and professional design companies to develop R&D and made good progress. This product has been applied to Chery's new models. Based on the analysis of the current status of light trucks, light passenger vehicles and advanced foreign technologies, Libang Group has developed an I-beam type non-independent suspension economical four-wheel hydraulic disc brake.
It is reported that at present, Libang Group is building a four-wheel disc brake for light trucks and light passengers with a total investment of 100 million yuan, and a research and production base for four-wheel disc brakes for medium-sized passenger vehicles. It is necessary to realize four rounds of Chinese light trucks, light passenger vehicles and medium passenger buses. The strategic goal of the first brand of hydraulic disc brakes. The base will be put into production in the summer of 2011. By the end of 2011, it will have the capacity to produce 300,000 sets of light trucks and light passenger four-wheel hydraulic disc brakes per year.
Investment Casting Lost Wax Casting
Investment casting, which is also known lost wax casting or precision casting, refers to the formation of ceramic around the wax patterns to create a multi or single part mold to receive molten metal. This process utilizes an expendable injection molded wax pattern process to achieve complex forms with exceptional surface qualities. To create a mold, a wax pattern, or cluster of patterns, is dipped into ceramic material several times to build a thick shell. Die-wax process is then followed by the shell dry process. The wax-less ceramic shell is then produced. Molten metal is then poured into the ceramic shell cavities or cluster, and once solid and cooled, the ceramic shell is broken off to reveal the final cast metal object. Investment castings can achieve exceptional accuracy for both small and large castings in a wide range of materials.
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