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He X.-F.,Huangshi Xinxing Pipes Co. | Lei C.-P.,Huangshi Xinxing Pipes Co. | Shuai D.-G.,Xiangyang Jinnaite Machinery Co. | Peng H.-J.,Huangshi Xinxing Pipes Co. | Zhu Z.-W.,Foseco Foundry China Co.
Zhuzao/Foundry | Year: 2013

Based on the material features of Cr30A and the analysis of current shrinkage, burning-on, crack and other defects on wear and corrosion resistance impeller casting, the original feeding system was optimized through the improvement of the feeding effect of riser and technical process of sand core making. And a better solution for the defects was put forward, such as shrinkage, burning-on and crack on casting. The yield of qualified castings could be further optimized by the computer simulation analysis and the usage of exothermic riser. Source

He X.-F.,Xiangyang Jinnaite Machinery Co. | Shuai D.-G.,Xiangyang Jinnaite Machinery Co. | Lei C.-P.,Huangshi Xinxing Pipes Co. | Xu F.-Q.,Xiangyang Jinnaite Machinery Co. | And 2 more authors.
Zhuzao/Foundry | Year: 2012

Aiming at thin-wall wear-resistant pipe fitting for the truck mounted concrete pump, combining the unique advantage of high manganese steel with reasonable technical design, a wear-resistant pipe fitting with inner-compact structure could be produced. This technical process has improved the hydrotest rate and service life of wear-resistant pipe fitting. And the dimensional accuracy and appearance quality were also significantly improved. Source

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