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| 1 | Effect of the Cutter Parameters and Machining Parameters on the Interference in Gear Slicing显示文摘Current researches have not yet found the effect law of the cutter parameters and machining parameters on the interference in gear slicing,the interference between the cutter and machined gear often happens because the appropriate cutter parameters and machining parameters cannot be set,which reduces the gear machining accuracy.The relative position between the major flank face and edge-sweeping surface,distribution law of the interference area in forming process of edge-sweeping surface,and effect law of relative positions among edge-sweeping surfaces on the interference are studied by graphical analysis.The effect law of the cutter parameters and machining parameters on the interference is found.The effect law shows that the interference in gear slicing can be controlled when the relief angle measured on the top edge and feed of every rotation are chosen respectively larger than 9°and smaller than 0.15 mm/r.An internal helical gear is sliced with the spur slice cutter and the cutter parameters and machining parameters are set based on above the effect law.The machined gear is measured in Gear Measuring Center and the detection result shows that the comprehensive accuracy reaches GB/T Class 7,where some reach GB/T Class 6.The result can meet the gear machining accuracy requirement and shows that the effect law found is valid.The problem of the interference in gear slicing is solved and the gear machining accuracy can be improved. | CHEN Xinchun LI Jia LOU Benchao SHI Jiang YANG Qijun | 2013 | Chinese Journal of Mechanical Engineering2013，26，6： | 10 |
| 2 | A study on the design of error-free spur slice cutter显示文摘 | CHEN Xinchun LI Jia LOU Benchao | 2013 | The International Journal of Advanced Manufacturing Technology2013，68，1： | 1 |
| 3 | Research of the synchronous motion control for the gear slicing CNC machine tool based on SIEMENS 840D显示文摘 | CHEN Xinchun LI Jia LOU Benchao | 2012 | Advanced Science Letters2012，5，1： | 1 |
| 4 | A Study on the Design of Error-free Spur Slice Cutter显示文摘 | Chen Xinchun Li Jia Lou Benchao | 2013 | Interna- tional Journal of Advanced Manufacturing Technol- ogy2013，68，14： | 1 |
| 5 | A study on the design of error-free spur slice cutter 显示文摘 | CHEN Xinchun LI Jia LOU Benchao | 2013 | Int J Adv Manuf Technol2013，68，： | 1 |
| 6 | A study on the design of error-free spur slice cutter显示文摘 | CHEN Xinchun LI Jia LOU Benchao | 2013 | International Journal of Advanced Manufacturing Technology2013，68，14： | 1 |
| 7 | The pilot experimental study of 14 MeV fast neutron digital radiography显示文摘14 MeV Fast neutrons has good penetrability and the 14 MeV fast neutron radiography can meet the need of Non-Destructive Test of the structure and lacuna of heavy-massive sample, whose shell is made of heavy metal and in which there are some hydrogen materials, and the study of fast neutron digital radiography just begins in China. By the use of a D-T accelerator, a digital imaging system made up of a fast neutron scintillation screen made of ZnS(Ag) and polypropylene, lens and a scientific grade CCD, the experimental study of fast neutron radiography has been done between 4.3×1010-6.8×1010 n/s of neutron yield. Some 14 MeV fast neutron digital radiographs have been gotten. According to experimental radiographs and their data, the performance of the fast neutron scintillation screen and the basic characters of 14 MeV fast neutron radiography are analyzed, and it is helpful for the further research. | TANG Bin ZHOU ChangGen HUO HeYong WU Yang LIU Bin LOU BenChao SUN Yong | 2009 | Science China(Physics,Mechanics & Astronomy)2009，52，9： | 0 |
| 8 | Determination of the half-life of^(91)Sr in uranium sample bombarded by 14.8 MeV neutron显示文摘Purpose Due to the few reports on the^(91)Sr half-life previously,the accuracy and uncertainty of the results are difficult to meet the requirements such as calculating the cross section and thefission yields of 235U,238U,and 239Pu.To solve the discrepancy of^(91)Sr half-life in existing experimental data,the half-life of^(91)Sr was measured in this work,and the uncertainty was discussed in detail.Method The measurements were performed by the activation method implemented for the uranium sample using the K-400 neutron generator at the Chinese Academy of Engineering Physics(CAEP).The half-life of^(91)Sr was measured byγ-ray spectrometry using the high-resolution High Purity Germanium(HPGe)Detector.Results Through exponential functionfitting and a detailed discussion of the uncertainty evaluation,the half-life of^(91)Sr in the present work was determined to be 9.65±0.30 h,which was consistent with the values reported previously and the uncertainty was reduced greatly,however,the uncertainty assessment of the latter was barely documented.Conclusions In this work,a more accurate measurement of the^(91)Sr half-life is provided,as well as the uncertainty is discussed in detail.This result will provide essential information for applications using an activation method,such as the calculation offission yields of 235U,238U,and 239Pu. | Yuting Wei Changlin Lan Li Feng Chao Xu Xianlin Yang Xiaojun Li Jiahao Wang Yujie Ge Benchao Lou Li Jiang | 2022 | Radiation Detection Technology and Methods2022，6，3： | 0 |
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