{"title":"IMPROVE BUILDING DATABASE ON THE OPERATION PROCESS AND PERFORMANCE TIME FOR SEWING OPERATIONS OF KNITTED GARMENT PRODUCTS","authors":"PHAN THANH THAO, DUY-NAM PHAN","doi":"10.15240/tul/008/2023-4-007","DOIUrl":null,"url":null,"abstract":"This paper presents the findings of the study of building and completion of a standard database on the operation process and sewing time for 02 typical products from knitted fabrics, namely Polo-Shirt and TShirt. The study process is carried out based on applying MTM (Methods Time measurement) standard time analysis method and predetermined time system GSD (General Sewing Data). In this research, we have inherited the results from previous studies including Classifying the main parts sewing linkages, formulated sewing technology process and theoretical analysis of the process of manipulating sewing of the main parts, linkages of the 02 classical textile products including Polo-Shirt and T-Shirt by MTM standard time analysis method and GSD predetermined time system; The studies work of the group of authors on the experimental research content determines the simultaneous influence of a group of factors: distance to place the sewing element (cm), the rotation angle of the sewing element (˚), the size of the sewing element, the number of element layers involved in the sewing, the light intensity (lux) and the skills of sewing workers (grade worker) to the sewing time of knitting products and research simultaneous influences of a group of technological factors including: seam length (cm) and stitches per centimeter (stitches/cm), experiment on 4 sewing devices such as 1-needle lockstitch machine, overlock machine (1 needle and 3 threads) and (2 needles and 4 threads), coverstitch machine (2 needles and 3 threads); and with 3 kinds of single jersey fabrics, which are thin, medium, and thick fabrics to sewing time on the machine of Polo-Shirt and T-Shirt products. The above research results show that there is a big difference between the actual values and theoretically calculated values according to MTM method, GSD predetermined time system, the authors have determined a set of adjustment coefficients for the former and the latter for two values of sewing preparation operation time and sewing time on the machine. We have tested the above research results in 03 enterprises: Hanoi Star Fashion Co., Ltd., Tinh Loi Garment Company and Ha Nam Hanosimex Company Limited and received a lot of practical comments from businesses.","PeriodicalId":39508,"journal":{"name":"Vlakna a Textil","volume":"82 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Vlakna a Textil","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.15240/tul/008/2023-4-007","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
This paper presents the findings of the study of building and completion of a standard database on the operation process and sewing time for 02 typical products from knitted fabrics, namely Polo-Shirt and TShirt. The study process is carried out based on applying MTM (Methods Time measurement) standard time analysis method and predetermined time system GSD (General Sewing Data). In this research, we have inherited the results from previous studies including Classifying the main parts sewing linkages, formulated sewing technology process and theoretical analysis of the process of manipulating sewing of the main parts, linkages of the 02 classical textile products including Polo-Shirt and T-Shirt by MTM standard time analysis method and GSD predetermined time system; The studies work of the group of authors on the experimental research content determines the simultaneous influence of a group of factors: distance to place the sewing element (cm), the rotation angle of the sewing element (˚), the size of the sewing element, the number of element layers involved in the sewing, the light intensity (lux) and the skills of sewing workers (grade worker) to the sewing time of knitting products and research simultaneous influences of a group of technological factors including: seam length (cm) and stitches per centimeter (stitches/cm), experiment on 4 sewing devices such as 1-needle lockstitch machine, overlock machine (1 needle and 3 threads) and (2 needles and 4 threads), coverstitch machine (2 needles and 3 threads); and with 3 kinds of single jersey fabrics, which are thin, medium, and thick fabrics to sewing time on the machine of Polo-Shirt and T-Shirt products. The above research results show that there is a big difference between the actual values and theoretically calculated values according to MTM method, GSD predetermined time system, the authors have determined a set of adjustment coefficients for the former and the latter for two values of sewing preparation operation time and sewing time on the machine. We have tested the above research results in 03 enterprises: Hanoi Star Fashion Co., Ltd., Tinh Loi Garment Company and Ha Nam Hanosimex Company Limited and received a lot of practical comments from businesses.
本文介绍了对Polo-Shirt和t - shirt这两种典型针织面料产品的操作流程和缝纫时间标准数据库的建立和完善的研究结果。研究过程基于MTM (Methods Time measurement)标准时间分析方法和预定时间系统GSD (General Sewing Data)进行。本研究在继承前人研究成果的基础上,采用MTM标准时间分析法和GSD预定时间系统对polo衫、t恤等02种经典纺织产品的主要零件缝制连杆进行了分类,制定了缝制工艺流程,并对主要零件缝制连杆的操纵过程进行了理论分析;作者群体对实验研究内容的研究工作决定了一组因素的同时影响:缝制元件的放置距离(cm)、缝制元件的旋转角度(˚)、缝制元件的尺寸、缝制时所涉及的元件层数、光照强度(lux)和缝制工人的技能(等级工人)对针织产品缝制时间的影响并同时研究一组工艺因素,包括:缝长(cm)和每厘米缝数(针数/cm),在1针平缝机、包缝机(1针3线)和(2针4线)、包缝机(2针3线)等4种缝纫设备上进行实验;在polo衫和t恤产品的机器上,有薄、中、厚三种单针织面料缝制时间。上述研究结果表明,根据MTM方法,GSD预定时间系统,实际值与理论计算值之间存在较大差异,笔者对机器上的缝制准备操作时间和缝制时间两个值分别确定了前者和后者的一组调整系数。我们将上述研究结果在3家企业进行了测试,分别是:Hanoi Star Fashion Co., Ltd., Tinh Loi Garment Company, Ha Nam Hanosimex Company Limited,并收到了很多企业的实际意见。