RESEARCH AND MANUFACTURE BUTTONHOLDER AND BUTTON ATTACHMENT FOR SHIRTS, SUPPORTING PRACTICAL TRAINING IN SEWING TECHNOLOGY AT HUNG YEN UNIVERSITY OF TECHNICAL EDUCATION
Abstract
This research focuses on developing two jig sets for the buttonhole and button-attaching stages of shirt sewing on Juki LBH-1790S and Juki LK-1903ASS machines, aiming to improve the efficiency of practical sewing technology training. The jig sets are designed based on a positioning-guiding-fixing model for semi finished products, ensuring precise position control, stable operation, and repeatability of the processing. Pedagogical experiments showed that the time required for the two stages was reduced from 142 seconds to 97 seconds per product (a 31.7% reduction), while completely eliminating intermediate activities such as manual marking and adjustment. As a result, the uniformity of finished products is significantly improved, and the training process is standardized according to the requirements of industrial product standards. The research results confirm the effectiveness of the jigs and fixtures system in improving training quality and its potential for practical implementation in training institutions as well as small and medium-sized enterprises.
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