sewing line principle of garments factory



Sewing is the process of fastening or attaching two parts of fabric using stitches made with a needle and thread. It is one of the basic steps of the apparel manufacturing process. The sewing section is the most important department of the garment manufacturing industry. The process Flow Chart of the Sewing Department in the Garment Industry is as follows:

Working Procedure Sewing Department

Garment analysis

Target set up for production (on the basis of ship schedule)

Machine layout

Operator layout

Quality control of product

Line balancing

Line setup

Process distribution

Parts received from cutting dept.

Parts storing

Parts distribution to the operator and helper

Position mark to components where required

Parts making (individual)

Inline quality checking

Parts assembling

Inline quality audit

Output counting & checked with the target

End line quality audit

Types of Sewing Machine

used in the sewing section


  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.



Working way Sewing Floor
process flow of sewing section
  • Product Analysis and set up target for Line

    Here usually find the critical operation of the product 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 has 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.

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