3. The interlacement of upper thread and lower thread is supposed to be just at the middle of the two layers of fabrics. Need to use the needle in correct sizes and of correct points. Therefore its possible stage of cause could only be cited on the basis of hypothesis. If the thread is not passed through the guide properly. SEWINGPROBLEMS ANDREMEDIESBY:VANDANATRIPATHI 2. Main reasons are the variation in density of adjacent group of warp ends due to non-uniform dent spacing, wrong drawing-in, or count variations. Bobbin case to be smooth and finger positioning to be set again. Before sewing of the fabrics of two or more types together, need to know the properties of their shrinkage. Zero percent Final Audit Fail and Less than 1.50% defects in the customer checking in overseas. In short, productivity improvement of the apparel industry. 6M’s are. on the causes & remedies of following department [2]. This type of puckering problem happens mainly due to the limitation of the feeding mechanism of the machine. Need to pass the thread again in the correct way. Snagging of the needle with bobbin case and positioning finger. How to talk with Garments' buyers in English - Learn Spoken English easily - Learning point 360 - Duration: 12:00. Causes. Sweing problem and remedies 1. Founder and COO of ThreadSol. List of Defects Found in Sewing Section: Sewing is the process of attaching two fabric parts by using stitches which are made with a needle and thread. 1. If the shrinkage of both fabric and thread are same, then seam puckering problem does not occur. 11. Garment defects causes and remedies in defects garments production. Sewing Defects Solve with Root Causes. Minor Defects. Instruct weavers and supervisors to periodically check fabric to remove double ends. 3.52 could not be determined. But, if the thread shrinks greater than fabric, then seam puckering will be created. Need to use foam pad at the base of the thread package. Thank you! MAUSMI AMBASTHA. Ÿ Hosiery yarns are soft twisted. Caused by sewing seams with too large of thread. The shrinkage of synthetic sewing thread after washing is very little, because of this, in using this thread, there is no apprehension of such problems. It helps us both way to open the tuft into a single fiber and to remove the impurities and neps. 3.52 could not be determined. of Textile Technology Sarvajanik College of Engineering & Technology, Surat, India Email: bhavdipk9009@gmail.com Introduction: Fabric defects/faults can have various reasons caused by raw material, the spinning process, weaving, knitting and dying. Common Seam Quality Defects Restitched Seams / Broken Stitches Excessive Restitched Seams DESCRIPTION: Where a "splice" occurs on the stitch line. Our goal is to achieve defect percentage to 3% in Cutting, Sewing, and Finishing. Bring the defect to the notice of the drawing-in operator. × Fault of machine. 2. Fabric Defect Depictions. Defect in a woven fabric where warp and weft threads do not interlace as desired. There are very few studies conducted on knitted fabric sewing damages/defects. The tension should be adjusted to the bobbin threads. a) Weaving b) Grey Folding c) Chemical Processing d) Finish folding Method a) We collected previous data about defect arises in dyeing section. They can happen to even the most experienced sewer. Specially, the needle must have to be damage free. If this occurs on Topstitching, then the seam does not appear to be 1st quality merchandise. May 15, 2020 - External appearance and qualities of a seam are directly concerned with the sewing thread. If the edges of bobbin case, looper eye or the edge of the spring are very sharp. In order to get the correct appearance and good performance of seams, various considering factors, such as, stitch, seam, feed system, needle, thread, etc. The needle or the fabric along the sewing line, or both can be lubricated. Findings Sewing damages such as needle cut and other sewing damages/defects are studied mostly in woven fabric. Problem: NEEDLE THREAD BREAKAGECAUSE REMEDY1. Next From The Editor. 5. If the movement of the feed dog is defective. C. The problems of fabric damage along the sewing line: During of fabrics, fabric yarn damage or yarn breaking along the sewing line is an unacceptable defect. Need to check the distance between needle and hook. Elaborate discussions are made below about the probable sewing defects under each group, the reasons of the problems and their probable solutions: Due to various reasons, the stitches may be in different shapes and appearances instead of being in the shapes and appearances that should have been. Following are some of the sewing faults and machine problems with its cause and the remedies as well. Before the sewing of any kind of fabrics, necessary measures may be taken by doing “sewability test”. This type of sewing defects happen mainly due to the needles, specially, if the sewing is done with stanted, bunt or damages needles, then fabric may be damaged. Sewing thread shrinkage: After sewing of the garments with sewing thread, for any reason, if the sewing thread shrinks, then seam puckering is created by gathering of the fabrics along the sewing line. Jan 10, 2017 - If you observe the garments manufacturing you may find there are three types of garments defects, here we arrange defects into six categories & list them. The damages in sewing and in fabrics that are produced from the defects in the needle and the steps which can be adopted for their remedies are discussed below: Save my name, email, and website in this browser for the next time I comment. In case of fabric or garments produced from synthetic fibers, the heat generated from needle, melts the fibers in the fabric which adheres with the needle, resulting the blockage of the groove and eye of the needle. Therefore its possible stage of cause could only be cited on the basis of hypothesis. The pressure of the pressure foot should be adjusted perfectly. If there is big maladjustment of tension of upper thread or lower thread. In order to remove feed puckering in drop feed sewing machine, need skilled operator and fabric is to be handled in special mechanism. 2. 29/01/2021 04/09/2014 by Mazharul Islam Kiron. The incorrect unwinding of thread form package during, The position of the thread guide should be 2.5 times higher than the position of the. About the various types of sewing defects, probable reasons and the means of solutions are discussed below: There are successive stitches in a seam. M – Machinery; M – Manpower; M – Mother-nature; M – Method; M – Materials; M – Measurement; Corrective Action of Sewing Defects. Need to check the type and size of the bobbin. Stay with us for more. Bobbin tension should be kept as low as possible. There are very few studies conducted on knitted fabric sewing damages/defects. The following defects are identified and inspected in sewing … Winner of the esteemed Grace Hopper Celebrations Entrepreneur Quest 2013, is an established expert in the … In short, productivity improvement of the apparel industry. Ÿ (Hold a … "Defect Detection", has the objective of identifying defect cause and impending real-time means of uncovering of faults. Incorrect adjustment of needle thread path. During sewing of fabric, if the fabric is damaged, then strength of the sewing will be weak, if the fabric damage is on a large scale, then there also be fabric tearing along the sewing line may occur. Twisting of needle thread in the bottom of thread package. If the tension of thread of the bobbin is very high or if the bobbin rotates much. Unequal stretch on the plies of fabrics: When two or more plies of fabrics are sewn together. Finer threads should be used or to be used heavy needle. May 15, 2020 - Garment Defects: Garment defects is very important issue for the buyers. Rapid detection of a sewing defect is significant to optimization of the relationship between quality and productivity. The possible reasons of unbalanced stitch and the remedies are given in the below diagram: The number of stitches per unit length should be uniform, but if it does not happen so for any reason, becomes plus or minus, then it is called variable stitch density. This type of problem may be seen in drop feed mechanism, specially for sewing of smooth fabrics, the tendency of creating this type of problems occur much. Uneven bottom hem:The defect name itself defines itwhere the width of the bottom hem is not equal it is also considered as a defect in stitching. If the tension of the sewing thread is not correct. But if the stitches are produced in curve instead of parallel, then it is called staggered stitch. This is caused by backstitching (or back-tacking) over the ends of the fabric, which changes the tensions your sewing machine experiences and causes tangles. If the fabric is damaged by needle, then the damage may not be visible instantly, but generally, during wearing of that garments after washing, that type of sewing defects are detected. Needle size and thread size should be changed. As mentioned in this article, these 6 areas have quality checkpoints to find out all types of defects found in the apparel industry. Let the feed dogs do all the work, and avoid pulling on the fabric to straighten it as you sew. ... One reason for this type of defect is excessive current, causing the edges of the joint to melt and drain into the weld; this leaves a drain-like impression along the length of the weld. Besides, quality of a garment also depends on sewing thread. If the speed of the sewing is reduced, then the heat generated in the needle will be less resulting the reduction of the problems. Need to pass the thread again in the correct way. A defect that would not cause the product to be termed a second either because of severity or location. Causes and Remedies for broken stitch Causes × Not working the machine knife. Thanks for the information It has made my assignment well done, Your email address will not be published. Thread break Causes: Sudden jerk while sewing ; A manufacturing defect in the needle with ‘eye’ being rough; Use of poor quality thread; Thread getting wrap around the spool holder; Improper selection of thread; Remedies: At this temperature, nylon or polyester threads melt easily. Manufacturers have to find out all causes behind defect to work on it. For removing problem, good quality feed mechanism may be used and the pressure of the presser foot may be increased. Our studied garment manufacturing company is “ABONTI Color Tex. 2. root causes of sewing defects of an apparel industry in Bangladesh and continuous improvement in reducing the defects through Kaizen (Continuous Improvement) system. Defects found after sewing negatively affect costs of the product. Another reason is if a poor technique is used that does not deposit enough filler metal along the edges of the weld. If the thread is not passed through the guide properly. Common Faults of Sewing Section in Apparel Industry Noor Ahmed Raaz B.Sc. only. If thread snarls up before tension disk. 7. The tension of thread has to be properly re-adjusted. For getting high quality of yarn, one extra process is introduced which is called combing process. Very inspiring, keep it up, The Lord is your strength…. This site uses Akismet to reduce spam. About The Author. If the capacity of loop form of below standard. 2. As a quality control person, you need to do practical work in defect occurring place to find out all the reasons behind every defect. Have to be correctly selected and adjusted. Common Seam Quality Defects Restitched Seams / Broken Stitches Excessive Restitched Seams DESCRIPTION: Where a "splice" occurs on the stitch line. Thread fraying at needle Use finer thread or coarser needle3. If the needle size and thread size are not adjusted properly. Causes: Ÿ High, twist in the, yarn. SEWINGPROBLEMS ANDREMEDIESBY:VANDANATRIPATHI 2. Bring the defect to the notice of the drawing-in operator. Sewing Defects Causes and Remedies in Apparel Industry. Online Quality check: In this stage, front and back part sewing quality checked by on-line quality inspector .if found any defect, send the Page 5/11. If the needle bends or if there is needle deflection. If the needle thread winds at the base of the thread package. See more of Clothing Industry on Facebook MAUSMI AMBASTHA. Defect in a woven fabric where warp and weft threads do not interlace as desired. Similarly the cause of defect no. As a result, seam puckering is created by gathering of the fabrics along the holes created by needles. 3. Specially, the tension on the needle thread is bigger than the tension in under thread. The proper winding of threads on to the bobbin. Achieve housekeeping as per 5S requirement in every section. If the edges of throat plate, hook point, needle guard, bobbin case, needle groove, needle eye etc. The weight of the fabric alone can be enough to cause knits or other stretch fabrics to stretch while you're sewing, so don't let your fabric drape off the table while you work. 4. At this temperature, damage may happen to needle thread or fabric or both. So, need to re-threading properly. If the twist of threads frays from the needle. Badly knot or splicing. Avoid this by sewing an extra few millimetres into your fabric before backstitching at the start of seams, so that the backstitches are all made through fabric and not over the edge. We use cookies to ensure that we give you the best experience on our website. Sewing Section Faults in Garments: There is no hard and fast standard up to find out sewing faults. 10. c) We took corrective action to minimize the defect by taking precautions in experimental methods. If puckering is created due to the densely woven fabrics, then it is very difficult to remove it totally. If the magnitude of the problem is big, then the speed of the sewing machine may be reduced. Various defects found in sewing sections. Ÿ (Snarls cause, fabric defects & needle breakages) Remedies: Ÿ Ensure using Hosiery Yarns, of the recommended T.P.M. The tension of the thread should be less or the use of higher strength threads. Have to be correctly selected and adjusted. After analysis the defects by sigma calculator we got sigma level 2.78 for all … All the above sewing faults have explained below with their causes and remedies: i love this website because i got my home work done. If possible, chain stitch has to be used instead of lockstitch, then problem may be less. Fabric Garments Defects is very important issue for the buyers. 3.Floats. Sewing Defects: In order to get the correct appearance and good performance of seams, various considering factors, such as, stitch, seam, feed system, needle, thread, etc. But for any reason, especially if there is unbalanced stretch among the plies of the fabrics, one ply of fabric will be more fed than the other, as a result, seam puckering is created along the sewing line. Needle lubricant and needle cooler should be used. Needle should be changed. 6M is finding root causes against 6 criteria. Need to remove the intensity of the sharpness of the sharp edges. root causes of sewing defects of an apparel industry in Bangladesh and continuous improvement in reducing the defects through Kaizen (Continuous Improvement) system. 1. Needle heating damage: During sewing of fabrics, friction happens between fabric and needle, heat is generated in needle due to that friction. If there is needle thread snagging with bobbin case and position figure. 9. Garment Defects Causes And Remedies Fashion2apparel Remedies Knitted Fabric Faults Inspection Causes Solutions Knitting List Of Major And Minor Defects In Garments Manufacturing Garment Inspection Cutting Sewing Washing And Finishing Defects In Garments Ordnur Pdf Study On Different Types Of Defects And Their Causes And Garment Defects Causes And Remedies Fashion2apparel … To this tension, thread is not passed through the guide of garments. The card article, these 6 areas have quality checkpoints to find out sewing faults their. 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