May 13 from the China Aerospace Science and Industry Corporation Second Hospital informed that the hospital's 699 factory independently developed titanium tube bending mold tryout before success, marking the plant of large diameter, thin-walled titanium tube bending mold breakthrough research. CNMn. The study was to fill the gaps in the development of high-precision bending mold.
CNMn.
According to reports, the proposed design requirements by NPU large diameter thin-walled titanium tube bending mold, are set heating, water cooling, heat in one of the bending mold. CNMn. Due to operating temperature, materials, cooling and temperature transfer, etc., prone to wrinkling, cracking and other defects, there is no domestic manufacturers can do this kind of mold design and processing. CNMn. 699 plant to take a variety of processing, cooling, fully consider the impact of the process of bending mold thermal expansion and contraction of the mold, and ultimately succeeded in developing such a large-diameter thin-walled titanium flat bar tube bending mold. CNMn. Allegedly, this technology represents the highest level of domestic bending technology.
699 Factory is one of the earliest manufacturers involved bending die, a set design, processing of mature technologies, design and manufacture a variety of over-bender die abroad, mainly used in aviation, aerospace, motorcycle and automobile exhaust, pipe bending hydraulic system.
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