Define Sewing Machine Defects and Troubleshooting

Sewing Machine Troubleshooting

Metal room- garments are received from sewing

Sucker machine- To remove the dusts

Ironing   ffff

Quality check- Inspection

Measurement

Getup check

Poly table- Color separation

Size separation

Hang tag add

Care label check

Folding/ hangering

Adding sizer to hanger

Body stickering

Poly insert

Poly close

Packing

Assort type:

There are 4 types of assort. They are:

Solid color & Solid size

Assort color & Assort size

Solid color & Assort size

Assort color & solid size

Department Objective

The objective of this report is to visit different departments, to learn about their organogram, activities, process flow and so on. After the study I have gathered a brief knowledge about them, which will help me in future to decision making and to do my job properly. There are 6 departments here. They are:

Central store

Fabric store

Cutiing section

Sewing section

Finshing section

R & D department

Central store

Different types of labels are mentioned below:

Care label

Main label

RN label

Bar code label

Country label

Flag label, etc

Categories of label are mentioned below:

Woven label

Shertin label

Paper label, etc

Different types of buttons are mentioned below:

Snap button

Plastic button

Pearl button

Metal button

Pig nose button

Chalk button , etc

Sewing threads are mentioned below:

100% cotton

Filament thread, etc

Needle sizes are mentioned below:

DB- 7

DB-8

DB-9

DB- 10

DB—11

DC- 7

DC- 8

DC- 9

DC- 10

DC-11

DP- 5.9

DP- 5.10

DP- 5.11

DP * 17* 11

DP * 17* 14

VY- 8

VY- 9

VY- 10

VY- 11

Accessories of central store are:

Trim card

Hanger

Button

Shartin Tape

Mobilon tape

Sewing thread

Poly

Gum tape

Scotch tape

Security tape

  1. P belt

Sewing machine troubleshooting:

To check label color-wise and on the basis of order quantity.

Conclusion: The necessary things of 6 departments of the factory are mentioned above. From which one can gain a brief knowledge about them.

Details about process and joining inlay with using needle and possible defects and solution:

Collar joint:

Body inlayCollar inlayUsed needleStitching style
7 MM7MM11, 14 –DP/DBPLAIN MACHINE

Front joint:

Back yoke inlayFront (upper, lower) inlayUsed needleStitching style
9MM9MM11 – DB / DP1/32 Top stc- P/ MACHINE
O/L WIDTH /9MMO/L WIDTH11 -DCOver lock

SLV joint:

Body inlaySlv inlayUsed needleStitching style
6MM18-19 MM141 cm French seam
9MM9MM14 -DCOver lock
1 CM1 CM14 -TVFeed of the arm

SLV Rolling

slv inlayUsed needleStitching style
9 MM9, 11 – DB / DPPLAIN MACHINE
5 MM9, 11 – DB / DPWELTED – ¼  /  5MM

SLV seam

Slv seam inlay (both end)Used needleStitching style
O/L WIDTH14 – DCOVER LOCK
1 CM14 – TVFEED OF THE ARM

GENBOL

slv inlayUsed needleStitching style
9MM9, 11 – DB / DPPLAIN MACHINE

Cuff joint:

slv inlayUsed needleStitching style
9MM11  – DB / DPPLAIN MACHINE

LOWER

Lower RollingUsed needleStitching style
9MM 11 – DB / DPPLAIN MACHINE

Front placket:

Front placket inlayUsed needleStitching style
1/14 welted – 7-8 MM 14- UOKANSAI

Side seam:

Back partFront (up / low)Used needleStitching style
1 CM1 CM14 – TVFeed of the
9 MM9 MM14 – DCOver lock

Slv placket:

slv inlay Slv placket inlayUsed needleStitching style
9 MM9 MM9 – DB / DPPLAIN MACHINE

Pocket:

Pocket inlayUsed needleStitching style
8 MM9, 11 – DB / DPPLAIN MACHINE

Btm Hem

Btm Hem inlayUsed needleStitching style
1.5 CM14 – DB / DPPLAIN MACHINE

Back yoke joint

Back partYoke  (top / inside)Used needleStitching style
9 MM9 MM14 – DB / DPOver lock

NOTE: – DP & DB needle are used for same purpose but btm of DP needle is thick and that’s why according to machine needle adjustment DP is used thick hole of needle setting machine.

Information about bobbin and guide used at sewing machine

Guide

Guide is used according to stc at Gmts.

¼, 1/8, 3/8, 1/16, 1/32 etc and plain guide.

Some time for sewing according to measurement some fid is used at machine.

For lower rolling this is seen and some other if need.

Bobbin

Bobbin is used at machine at inside for lock the top side stc with its strength.

It is used according to machine. Information is given below

Except these mentioned machine bobbin is used for all machine

Name of machineBobbin
Plain machine-chain stcNot use
Over lockNot use
Feed of theNot use
KanchiNot use

Warp & Weft

For check fabric vertical checks are called warp & horizontal checks are called weft.

A zipper has four parts:

  1. Runner
  2. Chain
  3. Fabric (cotton / polyester)
  4. Stopper

Note: fabric use in zipper almost of polyester because of its longer lasting.

Information about front placket

There are three kinds of front placket:

  1. Welted kansai
  2. Frence seam double fold
  3. Hidden placket.

Information about thread for per inch

Conclusion

If  S.P.I is 11 then it is calculated that for one inch we need 2.5 inch thread. Tread spin count classification: Two types of spin count: s spin count and z spin count. Sewing machine troubleshooting is important factor for any garments

About Engr. Kh. Mashiur Rahman

He is Top Class Digital Marketing Expert in bd based on Google Yahoo Alexa Moz analytics reports. He is open source ERP Implementation Expert for RMG Industry. He is certified IT Professional from Aptech, NCC, New Horizons & Post Graduated from London Metropolitan University (External) in ICT . To Hire his service and Him Email- [email protected], Cell# +880 1792525354

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