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동의어 포함
We developed a device that can screen for shape and surface defects that may occur during the manufacturing process, and can be used for quality inspection during the production process. A non-contact vision system was used for shape quality inspection to check sphericity and concentricity. Shape size was measured to determine whether the defects were within acceptable limits. Even for products that passed shape quality inspection, surface defects could prevent valve sealing. Therefore, the sealing performance of the armature was verified by examining the pressure changes in the air supply section using high-pressure air pressure applied to each assembled valve.
To assess the reliability of the inspection device for tip-type armature defects, various defective products were artificially mixed and tested in random order. The results showed that the 100% detection rate for armature defects confirmed its suitability for tip-type armature quality inspection.*표시는 필수 입력사항입니다.
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