Knitted Fabric Quality Control Parameters

Some Knitted Fabric Quality Control Parameters should check to control the knitting quality. This is done with a process which is called the knitting quality control process. Different quality checking points for different sections of knitting are discussed below:

Inspection of grey fabric report / Yearn receive from grey store/ Yarn test follow (S.O.P):

Checking points to quality control are stated below–

  1. Count Check & Twisting Check
  2. War Aping Board Check
  3. Yarn Strand Taste Check
  4. Yarn Com Position Check
  5. Fabric To Fabric Joint Inspection
  6. Finding off Yarn Problem
  7. Naps, Contamination, Hairiness, Dead cotton,
  8. Poly Propelling, Patta Thick & Thin Check
  9. Yarn Test Report OK then Sample Production

Development sample/Development sample For Grey Fabric /Finding off Grey fabric Inspection:

Checking points are—

  1. Order Sheet check
  2. knitting Program wish
  3. Yarn Count
  4. Y/Lot
  5. Yarn Composition Check
  6. Fabric type
  7. S/Leangth
  8. M/C Dia Check Then
  9. Others Problem

SALES SAMPLE/P.P SAMPLE for Grey Fabric/Finding Off Grey Fabric Inspection:

This is nearly the same as the previous stage

  1. Order Sheet
  2. knitting Program wish
  3. Yarn Count
  4. Y/Lot
  5. Yarn Composition Check
  6. Fabric type
  7. S/Leangth
  8. M/C Dia Check Then
  9. Others Problem

YARN Test Ok Than Bulk Production:

The parameter should be checked:

  1. Order Sheet/Knitting Program wise Dia+Gage
  2. S/Length
  3. Fabric  type
  4. yarn/count
  5. Machine Quality Check

All Fabric New Knitting Program wish Sink age Check 1 miter Fabric when Dyeing Colour Complete Then Check –

  1. Patta
  2. S/Needle mark
  3. Yarn mixing Patta.

IF we found a major problem 2-10 Fabric As per order sheet according to color when Dyeing Sample Complete. Then Check.

  1. Lycra Fabric For 1 Roll when Headset completes In Dyeing then Inspection.
  2. Grey Fabric Check:

4 Point 20% Inspection & M/C Grey Fabric Inspection 40% If ok then  Delivery Grey Store / Fabric Inspection finding off problem list:

  1. Y/Patta,
  2. Free fly,
  3. Needle Mark ,
  4. Sinker/mark ,
  5. N/Broken,
  6. Hole,
  7. Loop,
  8. Y/D.Shadeproblem,
  9. Fly Yarn,
  10. Countaination,
  11. Oilmark,
  12. Wheel mark,
  13. Slub,
  14. Naps ,
  15. Ly/Drop,
  16. Oil spot,
  17. Dirty spot,
  18. Edge line,
  19. Lot mixpatta,
  20. Count Mix,
  21. Tensionproblem,
  22. Tipping Yarn mix,
  23. Lycraout,Patta
  24. Stripe mix,
  25. Then  Other problem

Yarn Dyeing Fabric Inspection:

  1. Order Sheet/Knitting Program wise Y/Count Check 
  2. Colour Check
  3. Dia+Grey Fabric GSM Check
  4. Measurement Cross Check
  5. Shade Appval/P.P Sample Flow
  6. Report Check
  7. Running Production From 1st Roll when Dyeing wash complete Then Ensure
  8. Patta,Mark& Colour Bleeding Check
  9. 4 Point 20% Inspection& M/C Grey Fabric Inspection 40% Than ok  Delivery Grey Store

                  0’’-3”=1 Point                 

                 3”-6”= 2 Point

                6”-9”= 3 Point

9”To More Over=4 Point

Any Hole 1” Less=2 Point                                                      Any Hole 1” More=4 Point                                                     Formula=Roll Point x100x36 /Roll length x Fabric Width                

Grey Fabric Inspection Report:

  1. Daily Hold Fabric Report  ( Discus With Top Management Order By  Grey Store 
  2. Daily Wastage Fabric Report (Decision OK Then Grey Fabric Store Delivery

FLAT KNITTING-> COLLAR/ CUFF

ORDERSHEET/KNITTING PROGRAM WISE COLLAR& CUFF INSPECTION

  1. GREY SIZE-FINISH SIZE WHEN DYEING COLOUR COMPLETED THAN FINISH  SIZE MARK& SIZE  WISE NEEDLE COUNT.
  2. ORDER SHEED/KNITTING PROGRAM E=WISE YARN DYED SOLID & TIPPING COLLAR / CUFF WHEN DYEING EASH COMPLETE THAN ENSURE MEASUREMENT/COURSE+SIZE  WISE NEEDLE+COLOUR BLEEDING CHEK.

Collar/Cuff Inspection Finding off Problem list

1. FREE FLY      

2. N/ MARK       

3.N / BROKEN     

4.HOLE              

5.SHADE PROBLEM

6.FLYYARN/CONTA

7.OIL MARK      

8.DIRTY SPOT     

9.EDGE LINE      

10.LOT MIXPATTA

11.COUNT MIX    

12.TENSION PROBLEM              

13.TIPPIN.Y/MIX   

14.STRIPE MIX

COLLAR/CUFF PROBLEM

1. Daily Collar/Cuff Problem Hold Report (Discus with Top Management Order by Grey Store.

2. Daily Collar/Cuff Wastage Report (Decision OK Then   Grey Fabric Store Delivery

Conclusion:

Quality control is essential to all kinds of production procedures. So that Knitted Fabric Quality Control Parameters are so important for the knitting procedure. If the stated quality control parameter is controlled properly so that no problem will occur.

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