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Sunday, August 21, 2016

Faults in the Knitted Fabrics (part 3)



FinishingRelated Defects:
Defects caused mainly due to the wrong process parameters are;
  1. High Shrinkage
  2. Skewing
  3. Spirality
  4. Surface Hairiness & Pilling
  5. Tonal variation
  6. Snagging (Sharp points in the dyeing machine or trolley etc)
  7. Fold Marks
  8. Wet Squeezer Marks
  9. GSM variation
  10. Fabric Width variation
  11. Curling of S.J. Fabrics
DropStitches (Holes)
Definition:
Drop Stitches are randomly appearing small or big holes of the same or different size which appear as defects in the Knitted fabrics.

Hole in fabric
Major Causes:
  • High Yarn Tension
  • Yarn Overfeed or Underfeed
  • High Fabric Take Down Tension
  • Defects like Slubs, Neps, Knots etc.
  • Incorrect gap between the Dial & Cylinder rings.
Remedies:
  1. Ensure uniform yarn tension on all the feeders with a Tension Meter.
  2. Rate of yarn feed should be strictly regulated as per the required Stitch Length.
  3. The fabric tube should be just like a fully inflated balloon, not too tight or too slack.
  4. The yarn being used should have no imperfections like; Slubs, Neps & big knots etc
  5. The gap between the Cylinder & the Dial should be correctly adjusted as per the knitted loop size.
Barriness
Definition:
Barriness defect appears in the Knitted fabric in the form of horizontal stripes of uniform or variable width.

Causes:
  • High Yarn Tension
  • Count Variation
  • Mixing of the yarn lots
  • Package hardness variation
Remedies:
  • Ensure uniform Yarn Tension on all the feeders.
  • The average Count variation in the lot should not be more than + 0.3
  • Ensure that the yarn being used for Knitting is of the same Lot .
  • Ensure that the hardness of all the yarn packages is uniform using a hardness tester.
Streakiness
Definition:
Streaks in the Knitted fabrics appear as; irregularly spaced & sized, thin horizontal lines.

Causes:
  • Faulty winding of the yarn packages.
  • Yarn running out of the belt on the Pulley
Remedies:
  • Winding of the yarn package should be proper.
  • The yarn should be running between the belt and around the pulley.
Imperfections
Definition:
Imperfections appear on the fabric surface in the form of unevenly placed or randomly appearing Knots, Slubs & Neps, Thick & Thin places in the yarn.

Causes:
  • Big Knots, Slubs & Neps in the yarn, Thick & Thin yarn.
Remedies:
  • Specify the quality parameters of the yarns to be used for production to the yarn supplier.

Faults in the Knitted Fabrics (part 2)



KnittingElements Related Defects:
Almost all the defects appearing in the vertical direction in the knitted fabrics are as a cause of bad Knitting Elements.These defects are mainly;
  1. Needle & Sinker Lines
  2. Drop Stitches etc.
MachineSettings Related Defects:
These defects appear randomly in the knitted fabrics due to the wrong knitting machine settings &that of the machine parts. The defects are mainly;
  1. Drop Stitches
  2. Yarn Streaks
  3. Barriness
  4. Fabric press off
  5. Broken Ends
  6. Spirality
DyeingRelated Defects:
The Dyeing related defects are as follows;
  1. Dyeing patches
  2. Softener Marks
  3. Shade variation
  4. Tonal variation
  5. Color fading (Poor Color Fastness)
  6. Dull shade
  7. Crease or rope Marks

Faults in the Knitted Fabrics (part1)



Faults in the Knitted Fabrics:
A defect of the knitted fabric is an abnormality which spoils the aesthetics i.e. the clean & uniform appearance of the fabric & effects the performance parameters, like; dimensional stability etc.

There are various types of defects which occur in the Knitted fabrics of all types caused by a variety of reasons. The same type of defects may occur in the fabric due to a variety of different causes e.g. Drop Stitches, Spirality etc.

Category of Defects:
Yarn Related Defects:
Almost all the defects appearing in the horizontal direction in the knitted fabric are yarn related. These defects are mainly;
  1. Barriness
  2. Thick & Thin lines
  3. Dark or Light horizontal lines (due to the difference in dye pick up)
  4. Imperfections
  5. Contaminations
  6. Snarling
  7. Spirality

Tuesday, August 02, 2016

Application For Change the Designation



08 March,2016
Head of HR departments
.............................................
Plot# 137-146, AEPZ, Siddirgonj, Narayanganj, Bangladesh
Sub: Prayer for Change the Designation.
Dear Sir,
With due respect and honor I would like to state that I am (MARZUK), ID NO: 2529 3rd  floor . I am working in your Reputed  (..............factory Name) at MIS and performing all assigned task with dedication and honesty. My current job responsibilities includes Management information system (MIS). But my current Designation is QUALITY CONTROLLER when I was joined in 01.12.2016 That’s not related my job Responsibility. So I Requested you sir, Kindly change my Designation Which help me to act as MIS Department and also increase my salary According to my Role.
I assure You that I will Prove myself as a good asset to your Industries.
So, Your Approval is Required for these gesture.
Your sincerely
HM (MARZUK)
ID NO : 2529
Section: QUALITY
2nd Floor


Applicant Signature With date

GARMENTS RESIGNATION LETTER



Date-
......................... Industries Ltd
...............................................................
I am very sorry to say that I am resigning from my current position as the MIS REPORTER Departments of Management After 3/7/2016. I am currently going through a rough time in my personal life As Because my Father is hospitalized  and I think it has rendered me incapable of doing my job properly. I do wish to resolve some of my personal issues first which regrettably, I cannot do whilst being employed in your company for Purpose of Supporting my family.

I am very thankful for the opportunities that your company given me, as well as the many experiences and friendships I have gained here. I will greatly miss working here and I would very much like the opportunity to return if circumstances allow me to.

Again, thank you for everything.



Sincerely,


Junior Officer Operation
Departments of  Management