Garment defects can be separated into 3 categories: ➢ Fabric defects. These are defects that are found in the fabric, mostly these are not caused by the sewing lines. ➢ Workmanship and handling defects. These are defects that are directly caused by production section, this would include both the cutting and sewing section. ➢ Trims, accessories and embellishment defects. These defects include things like labels, color of sewing thread, screen print and embroidery designs and placements. Defects must also be classified into ➢ Critical Critical defects are defects that are not allowed to be shipped and are the most serious of defects (0%). ➢ Major Major defects are serious defects that are not allowed over a certain percentage (3%) depending on buyers requirements. ➢ Minor Minor defects are defects that are not allowed over a certain percentage depending on buyers requirements. (5%).
Defects of sewing that occur in sewing process and definition of terms No Term Uneven stitch Definition (contents) Stitching is not Contents of defect performed sewn in disorder Irregular stitch Uneven stitch Uneven stitch straight and a part of stitches is Cloth Irregular knotting points of thread Uneven stitch Stitch occur on upper and lower faces Upper of Lower Upper face irregular stitch cloth cloths under a certain cloth Lower face irregular stitch tightness Balloon stitch Large or small thread loop Stitch suddenly occurs on upper or lower cloth from knotting point of Stitch skipping Stitches of cloth Lower cloth sewing thread Upper sewing thread Lower balloon stitch Stitch partially skip and stitching is not Upper performed completely Lower cloth Stitch skipping cloth Missing stitch Stitch skipping Stitches are out of the sewing Uppercloth line Lower cloth Stitch skipping Slipping seam When the force is applied to (slipping) stitch, the constituent thread of Stitch (slip-out) the part moves and stitch opens Missing Cloth Slipping seam Cloth or slips Thread breakage When the force is applied to stitch, sewing thread is cut Stitch Needle thread Upper cloth Lower cloth Bobbin thread breakage No Term Broken material Definition (contents) Contents of defect Constituent threads of cloth are cut by sewing machine needle at Broken material Cloth the time of sewing Thread return The line that Stitch occurs when Cloth (Reverse) Thread return Stitch constituent thread of cloth turns and thread on the wrong side faces the right side by the shock Thread return Turn of constituent thread Needle force at the time of penetration of Dense color sewing machine needle 10 Weaving thread lift The state that defective gloss or Stitch Cloth Thread lift defective pattern occurs when a part of weaving threads is shifted by stitch, sewing Thread lift machine Weaving thread needle, awl, etc 11 Seam puckering Wrinkle that occurs near stitches (Small puckering) by shrinking by sewing, sewing Sewing wrinkle (Small shrinkage) (wavy condition) slippage, etc * Cloth shrinks and becomes wavy 12 Sewing slippage Upper and lower cloths slip each (Uneven material other in the feeding direction Start of sewing Upper cloth feed) End of sewing Stitch Sewing slippage (Uneven material feed) Lower cloth 13 Left-to-right inclined Cloth Left-to-right inclined stitches are Stitch stitch of bobbin thread 14 Seam grinning formed Stitch opens since tension of sewing thread is insufficient Upper cloth Lower cloth Grinning No 15 Term Towel face Definition (contents) Knotting positions of sewing thread continuously occur on the lower side of Contents of defect Upper cloth Lower cloth in the state of large thread rings cloth Towel face 16 Clogged stitch A certain resistance force is applied to the sewing product and stitch pitch becomes irregular Clogged stitch Clogged stitch Stitch Upper cloth Lower cloth 17 Pitch error Stitch length is changed by change of feed force, cloth slippage, etc This Cloth Pitch error Pitch error phenomenon is apt to occur between Stitch high and low speed sewings 18 Seam bray (Thread Sewing thread gets loose and the state Seam bray of stitch skipping occurs looseness) 19 Seam bray Hangnail Cloth The state that several pieces of yarn of Hangnail Needle thread sewing thread are cut during sewing Upper cloth Lower cloth Bobbin thread 20 Idle stitching Knotting point of thread is formed Needle thread Idle stitching Upper cloth (Drop stitching) without sewing product Lower cloth Bobbin thread 21 Feed dog defect Scratch (trace of teeth) made by feed Wrong side of cloth (Rasp-cut defect) dog when feeding cloth Feed dog defect 22 Needle breakage defect needle tip when several stitches are performed in the state that needle is broken during sewing 23 Needle Needle breakage defect Needle thread Scratch on sewing product made by Needle mark (Trace Trace of hole of sewing machine needle of needle) due to re-sewing, basting, etc Upper cloth Lower cloth Bobbin thread Cloth Needle mark Needle breakage tip ... cloth (Rasp-cut defect) dog when feeding cloth Feed dog defect 22 Needle breakage defect needle tip when several stitches are performed in the state that needle is broken during sewing 23 Needle... thread 20 Idle stitching Knotting point of thread is formed Needle thread Idle stitching Upper cloth (Drop stitching) without sewing product Lower cloth Bobbin thread 21 Feed dog defect Scratch (trace... speed sewings 18 Seam bray (Thread Sewing thread gets loose and the state Seam bray of stitch skipping occurs looseness) 19 Seam bray Hangnail Cloth The state that several pieces of yarn of Hangnail