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TY - CONF AU - Yin, M. AU - An, S. AU - Guan, F.P. AU - Lv, Y.L. AU - Pan, G.F. AU - Wang, F. AU - Wei, S.M. AU - Wen, L.P. AU - Zhang, T.J. AU - Zhu, F.Zhu. ED - Conradie, Lowry ED - De Villiers, John Garrett ED - Schaa, Volker RW TI - Mechanical Design of Beam Lines for a 230 MeV SC Cyclotron at CIAE J2 - Proc. of Cyclotrons2019, Cape Town, South Africa, 23-27 September 2019 CY - Cape Town, South Africa T2 - International Conference on Cyclotrons and their Applications T3 - 22 LA - english AB - To develop the proton beam transfer system which used in the field of proton therapy, the mechanical design of proton beam lines based on the CYCIAE-230 has been finished at the China Institute of Atomic Energy (CIAE). The proton beam transfer system includes the beam lines, beam dump, gantry, nozzle, couch, image guidance system, etc. Two beam lines are designed at CIAE this moment. One is for the nozzle system, the other is for the beam dump. The beam lines include four systems: the energy selection system, the beam transportation systems, gantry system, beam dump. The beam lines are very compact in order to match the beam optics and the space limitation. The gantry can be rotated ±180°. There are several key components in beam lines, such as magnets, degrader, beam diagnostics component, vacuum component, etc. The designed mechanical tolerance of the magnets is limited less than 0.1 mm. There are at least four targets on each magnets for collimation and all the components can be adjusted in three dimensions. The magnets are being manufactured now. The mechanical design of proton beam lines based on the CYCIAE-230 will be presented in this paper. PB - JACoW Publishing CP - Geneva, Switzerland SP - 42 EP - 44 KW - dipole KW - proton KW - quadrupole KW - vacuum KW - cyclotron DA - 2020/06 PY - 2020 SN - 978-3-95450-205-9 DO - doi:10.18429/JACoW-Cyclotrons2019-MOP008 UR - http://jacow.org/cyclotrons2019/papers/mop008.pdf ER -