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MANUFACTURING AND QUALITY CONTROL BLOG

In the garment industry, whether you are a manufacturer, importer, or brand, you must understand the importance of quality control in this business. This industry shifts swiftly, and any time lost in shipment or defect fixings can lead to unimaginable losses. Moreover, quality issues can quickly disseminate in the digital age, giving competitors an advantage. Therefore, quality control is essential, and quality inspection is the most commonly used method. In this post, we will guide you through the steps of a garment quality inspection, the key checkpoints to focus on, and how can C&Z expertise support your garment quality control.

C&Z Quality inspection manual

Memorize the basic sequence of clothing QC inspection below, and even those who don't know how to check and inspect will now understand! one Specification does not match Reason for serial defect 1. Specification deviation - the sample is not accurate; Cutting the knife accurately; The sewing position exceeds the tolerance during cotton stitching. two Poor sewing

2. Needle spacing deviation - The needle spacing was not strictly adjusted according to the process requirements during sewing.

3. Jumping needle - intermittent occurrence due to mechanical failure.

4. Out of line - failure to return the needle when starting or dropping it; Or caused by severe floating lines.

5. Leakage of needle - due to negligence or carelessness, the seam is missed; Sew the lower edge.

6. Hair leakage - the edge cutting machine malfunctions or misses copying; The refraction of burrs is not tight, the bag digging technique is not up to standard, and the corner hairs of the bag are leaking.

7. Floating surface line - Sopiros is too loose, or the pressure board is too tight.

8. Floating bottom line - the pressure board is too loose, or the shuttle is too tight.

9. Stop mouth regurgitation - Poor sewing technique, failure to regurgitate the stop mouth according to the process requirements.

10. Anti tilt - face too tight; Or it may be caused by placing the face on top during sewing.

11. Wrinkle - Failure to switch needle and thread according to the thickness of the sewing piece; Or the sewn parts have different lengths.

12. Stitching the knot - due to poor technical skills, the knot has been sewn; The stitching does not match.

13. Double track - single track visible line, when broken, the seam line is not on the original line trace; After sewing the lower part of the sticker, two stitches were caused when repairing the thread.

14. The two lines are not parallel - due to inadequate technology; Or careless operation may cause uneven width of the double line.

15. Not straight - eating unevenly at the seam position causes the mouth to not be straight; The technical difference highlights the bending of the line.

16. Uneven clothing - the seams inside the face are not straightened and smoothed; The seams do not match; The upper and lower pieces have varying degrees of elasticity.

17. Not square - the bag corners, bag bottom, swing corners, and square collar are not sewn at a 90 degree angle.

18. Not round and smooth - round neckline, round pocket corners, round sleeve heads, and round hem of suits, due to inadequate sewing techniques resulting in small edges and corners.

19. Asymmetric - Due to poor technology or careless operation, there must be errors in the length, height, weight, and width of symmetrical parts.

20. Uneven eating posture - When inserting sleeves, uneven eating posture at the sleeve mountain area can cause the sleeve mountain to be round and plump, or have fine folds.

21. Skewness in positioning - there are less than three or inaccurate positioning points for sleeve insertion, collar insertion, and positioning.

22. Inaccurate alignment of strips and grids - the cutting position was not clearly marked during cutting; Or there is no strict alignment with the grid during material discharge; When sewing, it was careless and not aligned with the grid.

23. Upper and lower ridges - Low sewing skills or careless operation, failing to always sew the thread on one side of the seam.

24. Pinhole exposure - the pinholes on the fabric edge were not removed during cutting; The holes were not covered up during rework.

25. Collar corner lifting - low sewing technology; The clearance and cutting of the collar corner seam do not meet the requirements; The folding process does not meet the requirements; It has not been pressed by a corner shaping machine.

26. Inaccurate position of spare parts - During sewing, the spare parts were not sewn according to the sample garment or process sheet.

27. Misalignment of labels - The main label and washing label were not sewn and nailed according to the requirements of the sample garment or process sheet.

three Stain stains 28. Handwriting - Violating regulations by using fountain pens or ballpoint pens to create cutting numbers, work numbers, and inspection numbers.

29. Oil stains - machine oil leakage during sewing; Eating oily food in the workshop.

30. Powder marks - the powder marks were not removed during cutting; It is caused by positioning with chalk during sewing.

31. Imprint - The fabric head imprint was not removed during cutting.

32. Dirt stains - the production environment is not clean, and the seams are stacked on the ground; Staining during seam transfer; The operator did not wash their hands before going on duty.

33. Water Camp - Colored fabric seams with water stains.

34. Rust stains - Metal buttons, zippers, and buckles with poor quality rust adhere to the seams.

four Hot pressing 35. Heat burning discoloration - The temperature of the hot stamping bucket is too high, causing the fabric to heat burn and discolor (especially synthetic fabrics)

36. Aurora - No steam ironing was used, and the use of an electric iron without a water cloth pad caused localized brightness.

37. Dead marks - The hot pressed surface is not smoothed, resulting in irreversible folds.

38. Leakage of scalding - careless work, no excessive scalding on a large area

five Thread head 39. Dead line head - unable to trim cleanly after finishing.

40. Active thread ends - trimmed thread ends stuck to the garment without being removed

six other 41. Inverted hair - cutting and arranging errors; The stitching direction of small and large items is inconsistent.

42. Making reverse fabric surface - Sewing workers cannot recognize the front and back sides, causing the fabric surface to be reversed.

43. Cut pieces in the same direction - symmetrical pieces are cut in one direction due to cutting and layout errors.

44. Defects exceeding the tolerance - There are many fabric defects that were not removed during the discharge process, resulting in defects in important parts and defects in secondary parts exceeding the allowable quantity.

45. Inaccurate positioning - The positioning plate may have errors such as uneven height or positioning.

46. Skewness of buttonhole - The locksmith operated carelessly and did not straighten the garment, resulting in uneven and uneven buttonholes.

47. Color difference - Poor fabric quality, incorrect packaging during cutting, wrong numbering during sewing, quality color difference without replacement.

48. Damage - accidentally caused by cutting and repairing wire ends, reworking and removing wires, and washing water.

49. Degumming - poor quality of adhesive lining; Insufficient temperature or pressure during bonding, and insufficient time.

50. Bubbling - Poor quality of adhesive lining; The ironing board is uneven or there is no ironing blanket.

51. Adhesive leakage - poor quality of adhesive lining; The adhesive has a yellow color, and the hot stamping temperature is too high, causing the fabric to turn yellow.

52. Inaccurate nesting - The nesting worker did not properly position it according to the process requirements.

53. Loose nail buckle - caused by a malfunction of the nail buckle machine.

54. The tightness of the four in one buckle is not suitable - it is caused by the quality of the four in one buckle.

55. Unqualified clothing folding - Failure to fold clothing according to process requirements (or customer requirements).

56. Inconsistent clothing and bag specifications - The packaging worker was careless and mistakenly packed the finished garment into a plastic bag.

57. Lost work and missing parts - Sewing workers are negligent in their work, forgetting to install various decorative hooks, decorative buttons or missing a certain part of the seam, packaging workers forget to hang hang hang tags and spare buckles, etc.

58. Packing and matching errors - The packaging worker was careless and did not strictly follow the packing list for packing and matching.

59. Insufficient quantity in the box - Too many defective products were produced, and there were no qualified products to make up for the shortage in the tail box.

60. Printing error of outer box mark - the mark provided by the foreign trade department is incorrect; Manufacturer identifies English errors

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