MANUFACTURE OF LIGHT METAL-MADE VEHICLE WHEEL LIGHTENING WEIGHT BY INCREASING FATIGUE STRENGTH OF METAL AND THIS WHEEL

摘要

PROBLEM TO BE SOLVED: To increase fatigue strength of a light alloy-made part, so that its thickness can be reduced, by vibrating the part and media, and making the media perform beading in a part surface. ;SOLUTION: Media 3 placed in a barrel 1 is made of steel, its size is about 2 to 10mm, to be mixed with the ball-shaped and flange provided media. In a wheel 2 during operation, its total surface is always covered with the media 3, the media 3 are circulated, the wheel 2 is also rotated on its own axis. During this time, the media 3 perform beading in a surface of the wheel 2 in accordance with a vibration frequency. In this way, whole fatigue strength of part of disc, rim, etc., of the wheel 2 is improved, thickness of the part is reduced.;COPYRIGHT: (C)1997,JPO