Sewing Section of RMG Industry

Sewing Section in Garment Industry

Sewing Section in Garment Industry

Sewing Section in Garment Industry-Sewing section:

The sewing process is the attachment of different parts of the cut pieces. In this work place there are many operators who perform single operation. All this factor decides what parts of garment can be sewn at that station.

Machine used in the Sewing Section in Garment Industry :

  1. Single Needle Lock Stitch machine
  2. Double needle Lock stitch machine
  3. Vertical Lock stitch machine
  4. Single needle Chain Stitch machine
  5. Pointer (collar. Cuff)
  6. Halamark m/c
  7. Overclock Machine ( 5Thread )
  8. Feed off the Arm machine
  9. Flat bet fusing machine
  10. Continuous fusing Machine
  11. Kansai machine etc.
    You can also follow: Different Types of Garment Sewing Machine with Specification

Process flow of sewing section:

Process follow of sewing section image
Diagram in how sewing section perform

Sewing Section in Garment Industry

 

Sewing Section of RMG Industry
Work going on sewing section-Working way of sewing floor:

Product Analysis & set up target for Line: Here usually find the critical operation of theproduct by analyzing the product and decide where need help, which operator works on which operation. After analyzing the product line target is set for per hour production. Line supervisor Monitoring target production achieving or not.

Set up machine layout on the basis of Target: On the basis of operation layout and target of per line, machine layout is setup to ensuring target per hour production.

Line balancing: Line balancing is a tool used for production line to capacitate the flow line of production. If line is not balanced properly, required target result will not be achieved properly. Some work have higher work load, some have lower load which caused bottleneck in the line.

Bundle Input to Line: After ensuring line balancing, , bundle wise cut panel input to line as per pre-determined manner to workers.

Sewing: Workers sew different parts as per pre-determined manner according to machine layout for ensuring right operation is made by right machine and right operator.

Online Quality check: In this stage, front and back part sewing quality checked by on-line quality inspector .if found any defect, send the garment to that operator who sew the defective for repair the sewing faults.

End line Quality check: Here Full garments of both inside and outside checked properly to ensure the garments is defect free. If found any defect, repair that defect by who are responsible for that defect. Here also count the body to comparing if target is achieved or not.

Body sends to finishing section: After end line quality inspector, garments are sending to finishing section for finished the body for shipment as per buyer’s requirements.

Process Breakdown of basic Shirt (Full Sleeve):

Collar

1.Process name- Collar top part Fusing
Machine & Attachment-Continues Fusing m/c

2.
Collar finish pattern mark on Collar
Pencil and pattern

3.
Collar trim
Overclock m/c(without thread and needle )

4.
Collar run stitch (top and in part)
SNLS

5.
Collar Turn
Hand work

6.
Collar point
Pointer + Collar stay

7.
Collar outline (1/4 top stitch)
SNLS

8.
Collar band fusing
Continuous fusing m/c

9.
Collar band hem
SNLS

10.
Finish pattern mark on collar pattern
Pattern .pencil

11.
Collar and collar band attach
SNLS

12.
Collar band turn
Hand work

13.
Collar band (1/4 top stitch)
SNLS

14.
Collar Band point
Pointer
Cuff

15.
Cuff fusing
Continuous Fusing machine

16.
Cuff hem
SNLS

17.
Cuff Run stitch
Vertical Lock stitch machine

18.
Cuff turn in pair
Hand word

19.
Cuff outline (1/4 top stitch)
SNLS
Front part

20.
Front Pair tuck + care label joint
SNLS

21.
Front BTN placket make
Kansai machine + folder

22.
Front Placket Fusing
Flatbed fusing machine

23.
Box placket make
SNLS + Folder

24.
Pocket positioning
Pattern

25.
PKT Rolling
SNLS

26.
PKT iron  + scissoring
Iron + scissor

27.
PKT Attach to front + placket close
SNLS
Back part

28.
Main and size label joint
SNLS

29.
Label attach to Bk part
SNLS

30.
Yoke attach to BK part
SNLS

31.
Yoke top stitch
SNLS
Sleeve part

32.
Gamble attach to body
SNLS

33.
SLV placket fold and iron
Iron + folder

34.
SLV Placket attach
SNLS
Assembly

35.
Shoulder Joint
SNLS

36.
Shoulder top stitch
SNLS

37.
SLV Joint to body
Overlock m/c

38.
Armhole Top stitch
SNLS + Folder

39.
Collar joint to body
SNLS

40.
Collar Closed
SNLS

41.
Collar to Stitch
SNLS

42.
Side seam
Feed off the arm machine

43.
Cuff attach to SLV
SNLS

44.
Bottom hem
SNLS + Folder

45.
BTN Hole
BTN Holing Machine

46.
BTN Attach
BTN Attaching machine

Sewing Section in Garment Industry

Elements of sewing section:

  1. Sewing thread
  2. Needle
  3. Sewing Machine

Sewing Defects:
Needle damage
Skip stitches
Thread breakages
Broken stitches
Seam puckering
Pleated seam
Wrong stitch density
Uneven stitch density
Staggered stitch

Improperly formed stitches.

For making a Basic Shirt, we need 7 types of sewing machines. They are given below:

Plain Machine or Lock Stitch Machine
Over lock or over edge Stitch Machine
Button Holing Machine
Button Attaching Machine
Feed of the Arm
Kansai or Multi needle chain stitch machine
Single Needle & Double Needle Chain Stitch Machine (with or without edge cutter & thread cutting mechanism)

Important sewing machine descriptions are given below:

Plain Machine or Lock Stitch Machine:
No. of needle: Generally 1 needle or 2 needles
SPM (Stitches per Minute): 1500-5500
Stitch Length: 5mm in Juki
Automatic Thread Cutting
Automatic Bobbin Winging
Edge Cutting System
Most commonly used for sewing of woven garments.
Over lock or Over edge Stitch machine:
No. of needle: one or 2 needle
No. of thread: 2-5 threads
SPM: 6500-8000
Stitch length: maximum 4mm and stitch length can be changed by push button.
Button Holing Machine:
Stitch group: lock or chain stitch
Arrangement of button hole size being small or larger
Arrangement of stitch density being increased or reduced.
Button hole can be made to cut the hole before or after sewing a button hole.
Button Attaching Machine:
Productions lock stitch, chain stitch or hand stitch.
Various types button clamps needs for attaching various sizes and types of button.
The bottom may be 2 or 4 holes. 4 whole button may be sewed by cross or parallel.
If chain stitch is used, the sewing looks nice, but the security of stitch is comparatively less.
In case of lock stitch used no possibility of sewing opening. But not looks nice. In fully automatic machines, button feeding and positioning inside the button clamp is performed by a hopper and pipe.
It can attach predetermined number of buttons at a predetermined distance in acyclic order.
Feed of the Arm:
Number of needle: 2
SPM: 3000 -3200
Number of thread: 4 threads
Twist per inch: 15 – 20
Stitch group: chain stitch
Mainly sewing shirts, Jeans, Gridding goods & double stitching pants
Kansai or Multi needle chain stitch machine:
Number of needle: 6-17
Number of thread: 12 – 34
SPM: 4000 – 4500
Stitch group: Chain Stitch
Chain Stitch Machine:
No. of needle: one or more needle
No. of thread: one or more thread (Single thread or multi thread)
SPM: 1800-6000
Stitch length : 1.4 to 4.5 mm
Automatic thread trimmer
Various types of feed mechanism is adjusted to the machine. Used in knitted wear and jeans.

Sewing Section in Garment Industry
Article Author:

Mohammad Sajjadul Karim Bhuiyan
BGMEA University of Fashion and Technology
Email: sajjadulkarim7@gmail.com

Source: https://textilelearner.blogspot.com/2017/07/sewing-section-garment-industry.html

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