Zhejiang Huatong Holding Corporation, located in Shangyu, has put its core technology on plastic mould of auto car into practice, and gained great success. Now it is the leader of China’s auto industry. More over, some multi-national companies from developed countries such as U.S. and Japan have come to Huatong themselves for mould order.“As the foundation of the whole manufacturing in
Auto parts industry is developing at its high peakChina is now the world’s third largest automotive producer and second largest consumer. As predicted, by 2010, the total number of automotive in China will reach 62 million units; by 2020, China’s domestic demand for automotive is expected to reach more than 20 million units, thus surpassing the United States as the world’s larges
In 2008, the Beijing Olympics which has attracted worldwide attention will welcome its grand opening in Beijing, China. Meanwhile, to comply with the flourish demand of machine tool market, machine tool industry will have two major events: EASTPO 2008 and CCMT; One is located in the south-Shanghai; another is located in the north-Beijing. These two events will provide an important opportunity of f
Pressure bag molding is similar to the vacuum bag moldimg method except that air pressure, usually 30 to 50 psi, is applied to a rubber bag, or sheet that covers the laid up composite to force out entrapped air and excess resin. Pressurized steam may be used instead, to accelerate the cure. Cores and inserts can be used with the process, and undercuts are practical, but only female and split molds
Filament winding consists of winding resin impregnated fibers or rovings of glass, aramid, or carbon on a rotating mandrel in predetermined patterns. The method provides the greatest control over fiber placement and uniformity of structure. In the wet method, the fiber picks up the low viscosity resin either by passing through a trough or from a metered application system. In the dry method, the r
Reaction injection molding (RIM) is also known as liquid reaction molding or high- pressure impingement mixing. The low pressure method involves mechanical mixing often with plural component dispensing equipment rather than by impingement and immediately injects the mixture into the closed mold cavity. These reactive polymer resins such as polyols, isocyanates, polyurethanes, and polyamides provid
Continuous Lamination makes composites in sheet form such as composite glazing, corrugated or flat construction panels, and electrical insulating materials. Reinforcement is combined with resin and sandwiched between two plastic carrier films. The sheet takes shape under forming rollers, and the resin is cured to form the composite.related catarory: industrial news
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