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METHOD FOR MANUFACTURING OUTER JOINT MEMBER OF CONSTANT VELOCITY UNIVERSAL JOINT AND ULTRASONIC FLAW DETECTION-INSPECTION METHOD FOR A WELDED PORTION
METHOD FOR MANUFACTURING OUTER JOINT MEMBER OF CONSTANT VELOCITY UNIVERSAL JOINT AND ULTRASONIC FLAW DETECTION-INSPECTION METHOD FOR A WELDED PORTION
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机译:等速万向节外接头的制造方法及焊接部位的超声波缺陷检测方法
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摘要
A manufacturing method is used for an outer joint member of a constant velocity universal joint. The outer joint member includes a cup section having track grooves formed in its inner periphery, which are engageable with torque transmitting elements, and a shaft section formed at a bottom portion of the cup section. The manufacturing method includes welding the cup and shaft members by irradiating a beam to joining end portions of the cup and shaft members, causing an outer surface including the welded portion to be formed into a flat smooth surface by removal processing, irradiating ultrasonic waves to the flat smooth surface with one probe at an incident angle which prevents total reflection in a circumferential angle beam flaw detection method, and setting a focal point of the ultrasonic waves to positions from a surface to an inside of the welded portion, to thereby perform inspection.
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