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China's unique high-temperature heat treatment and rolling bamboo strips complete production technology
“It is better to eat without meat than to live without bamboo.” Although Chinese people have a certain cultural attachment to bamboo, and bamboo products are common in our lives, most people remain skeptical about the durability of bamboo materials, let alone using them outdoors. Professor Li Yanjun of Nanjing Forestry University recently won the second prize of the National Science and Technology Progress Award for his project “Key Technologies and Applications of High-Performance Bamboo-Based Fiber Composite Materials”, which has broken through many difficulties in the application of outdoor bamboo reconstituted materials and opened up a new field in bamboo processing and utilization. In Professor Li Yanjun’s office, the reporter saw his proud works—a series of outdoor bamboo reconstituted material products, such as outdoor reconstituted
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What to do about distortion in vacuum quenching during heat treatment
In recent years, with the increasing maturity of automotive parts heat treatment technology, the geometric accuracy of workpieces after heat treatment is required to be higher and higher. Quenching deformation will inevitably cause a decrease in the geometric accuracy of the workpiece. Workpieces need to be heated to 850~950℃ for quenching, and high temperatures often have adverse effects, such as distortion. Mold-type vacuum quenching, also known as pressure quenching, is an effective means of reducing quenching deformation and is widely used in the automotive industry. Vacuum quenching distortion is the most common problem in the heat treatment process. For mass-produced bearings and gears, controlling quenching distortion is an effective means of improving product quality and service life.
The 16th China International Heat Treatment and Industrial Furnace Exhibition achieved remarkable results in attracting exhibitors.
The 16th China International Heat Treatment and Industrial Furnace Exhibition, hosted by the China Association of Automobile Manufacturers, the China Nonferrous Metals Industry Association, the Chongqing Municipal Commission of Economy and Information Technology, and the Industrial Furnace Branch of the China Nonferrous Metals Industry Association, will be held at the Chongqing International Expo Center from March 31 to April 2. The China International Heat Treatment and Industrial Furnace Exhibition is the most influential and well-known professional brand exhibition in the heat treatment industry in Western China. Since the registration for this exhibition began last September, it has received great attention and active participation from many domestic and foreign companies in the industry. According to the organizing committee's statistics, by the end of December 2015, the exhibition had attracted Huisen Yifa, Xi...