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Nii, Keisuke; Chouhan, Vijay; Ida, Yoshiaki; Yamaguchi, Takanori; Hayano, Hitoshi; Kato, Shigeki; Monjushiro, Hideaki; Saeki, Takayuki, E-mail: keisuke_nii@e-marui.jp
Proceedings of the 16th annual meeting of Particle Accelerator Society of Japan2019
Proceedings of the 16th annual meeting of Particle Accelerator Society of Japan2019
AbstractAbstract
[en] Marui Galvanizing Co., Ltd. has been working with KEK on the development of Niobium accelerating cavity Vertical Electropolishing (VEP) technology. Up to now, the asymmetry of the removal thickness has been a major problem in the VEP of the niobium 9-cell accelerating cavity. As a method to solve this problem, we devised a method of cavity flipping during VEP, made VEP equipment and conducted experiments. As a result, it was confirmed that the removal thickness distribution of cavity flipping method was significantly improved as compared with the case of no flipping. In the future, we plan to advance development and improvement of equipment to further improve the distribution of removal thickness and the polished surface. In this article, we will report on the improvements and results of these new technologies. (author)
Original Title
空洞上下反転法を用いたニオブ9セル加速空洞縦型電解研磨(VEP)における研磨量分布の改善
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Particle Accelerator Society of Japan, Tokyo (Japan); [1296 p.]; 2019; p. 426-429; PASJ2019: 16. annual meeting of Particle Accelerator Society of Japan; Kyoto (Japan); 31 Jul - 3 Aug 2019; Available from https://www.pasj.jp/web_publish/pasj2019/proceedings/PDF/WEPI/WEPI006.pdf; Available from https://www.pasj.jp/web_publish/pasj2019/proceedings/index.html; 5 refs., 8 figs., 2 tabs.
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Miscellaneous
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Conference
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ACCELERATORS, CAVITY RESONATORS, COLLISIONS, CONTROL, CURRENTS, ELECTRODES, ELECTROLYSIS, ELECTRON COLLISIONS, ELECTRONIC EQUIPMENT, ELEMENTS, EQUIPMENT, LASERS, LINEAR ACCELERATORS, LINEAR COLLIDERS, LYSIS, METALS, POLISHING, POSITRON COLLISIONS, REFRACTORY METALS, RESONATORS, SUPERCONDUCTING DEVICES, SURFACE FINISHING, SURFACE PROPERTIES, TRANSITION ELEMENTS
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