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the designed variables. Then, the forming parameters were optimized by using this quality control model in combination with the response surface method (RSM). The results show that the production... guidance for the product quality control in the progressive die forming. Key words: progressive die forming; FEM model of complete process; quality control model; response surface method; parameter......
of surface quality can increase the gear lifespan largely and reduce its noise effectively [2]. At present, gears with a complex curve tooth, such as spiral bevel and hypoid gears, lack an expected... on the workpiece surface due to non-contact nature of the PECF process [7]. But, the PECF system is a complicated and nonlinear system. The surface quality is influenced by all processing factors......
to separate from the bottleneck. At this time, the oil droplet is divided into two parts. The top part concerns almost the entire quality of oil droplet and is separated from the ceramic surface to float... Effect of surface free energy of ceramic glaze on oil droplet shape and its behavior in water LIANG Jin-sheng(梁金生), MENG Jun-ping(孟军平), LIANG Guang-chuan(梁广川), WANG Li-juan(王丽娟), ZHANG Jin......
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the designed tooth surface, which affects the transmission quality of the gear pair, and ultimately reduces the stability and durability of the car. In order to obtain a high precision tooth surface... J. Cent. South Univ. (2021) 28: 1402-1411 DOI: https://doi.org/10.1007/s11771-021-4701-2 Tooth surface error correction of hypoid gears machined by duplex helical method WU Shun-xing(吴顺兴)1, 2, YAN......
High Quality Zinc Sulfide Epitaxial Layers Grown by Metalorganic Chemical Vapour DepositionFan Guanghan Liao Qiwei Fan Xiwu Zhang Zhishun Li Mei Zhang Jiying Changchun Institute of Physics,Academia... exhibit high crystallographic quali-ty and reveal a mirror surface morphology,the peak halfwidths of X-ray diffraction patterns from their (400) faces are within0.06~0.09°.The epilayers grown on (111......
of the copper-plated roll mold also affects the machining quality. When the environmental temperature around the roll mold was elevated from 23.0 °C to 24.0 °C in 1 h, the surface temperature was elevated... Improvement of machining quality of copper-plated roll mold by controlling temperature variation Tae-Jin JE 1, Eun-Chae JEON 1, Sang-Cheon PARK 1, Doo-Sun CHOI 1, Kyung-Hyun WHANG 1, Myung-Chang......
Risk-based water quality decision-making under small data using Bayesian networkZHANG Qing-qing(张庆庆), XU Yue-ping(许月萍), TIAN Ye(田烨) , ZHANG Xu-jie(张徐杰)(Institute of Hydrology and Water Resources..., is established in order to model water quality in areas under small data. Then, based on normal transformation of variables with routine monitoring data and normal assumption of variables without routine......
Surface treatments of CdGeAs2 single crystalsWei Huang,Bei-Jun Zhao,Shi-Fu Zhu,Zhi-Yu He,Bao-Jun Chen,Zhen Zhen,Yun-Xiao PuCollege of Materials Science and Engineering,Sichuan University摘 要:The performances of second harmonic generation(SHG)and optical parametric oscillator(OPO)in CdGeAs2 crystal are strongly influenced by surface quality.In this paper......
along the radius direction of ingot were examined. The results showed that double-layer cooling water can improve the surface quality and avoid of hot crack, which created conditions to increase the casting speed. The electromagnetic casting process can effectively improve the surface quality in high speed casting process, and static magnetic field has a great influence on solute distribution......