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Peters, C.; Caspi, S.; Taylor, C.
Lawrence Berkeley Lab., CA (USA)1989
Lawrence Berkeley Lab., CA (USA)1989
AbstractAbstract
[en] Experience in the SSC dipole program has shown that fabrication of cylindrical coil ends is difficult. Cable stiffness requires large forces to maintain the proper position of the conductors in the end during winding. After winding, the coil ends remain distorted nd significant motion of the need conductors is required to force the coil end into the molding cavity. Local mechanical stresses are high during this process and extra pieces of insulation are required to prevent turn-to-turn shorts from developing during the winding and molding steps. Prior to assembly the coil end is compressed in a mold cavity and injected with a filler material to correct surface irregularities and fill voids in the end. LBL has developed an alternate design which permits the conductors to be wound over the end using minimal force and technician coerosion. The conductors are placed on a conical surface where the largest diameter over the outer layer conductors is 10 cm. No coil end spaces or insulation pieces between turns are required. The conductor geometry was analytically optimized to meet SSC multipole requirements for the ends. The first 1-m dipole utilizing this end geometry has been constructed and successfully tested. Design and construction data are presented. Also model test results, including training and multipole measurements of the end are given. 1 ref., 12 figs., 3 tabs
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Feb 1989; 14 p; International industrial symposium on the super collider; New Orleans, LA (USA); 8-10 Feb 1989; CONF-890270--24; CONTRACT AC03-76SF00098; Available from NTIS, PC A03/MF A01 as DE90003107; OSTI; INIS; US Govt. Printing Office Dep
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Report
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Conference
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