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BEARING FIXING NUT, STRUCTURE AND METHOD FOR FASTENING THE NUT, AND MAIN SPINDLE DEVICE FOR MACHINE TOOL USING THE SAME
BEARING FIXING NUT, STRUCTURE AND METHOD FOR FASTENING THE NUT, AND MAIN SPINDLE DEVICE FOR MACHINE TOOL USING THE SAME
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机译:轴承固定螺母,压紧螺母的结构和方法以及使用该螺母的机床的主要主轴装置
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摘要
PROBLEM TO BE SOLVED: To restrain stress concentration by centrifugal force in high speed operation, to reduce noise by a wind roar in the high speed operation, and to restrain deformation, a burr and a return due to fastening, while having a structure for locking a fastening tool on a nut.;SOLUTION: At least two surfaces or more of plane parts 51a are formed on an outer peripheral surface of the bearing fixing nut 51 for fixing bearings 60 and 70.;COPYRIGHT: (C)2010,JPO&INPIT
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