sweater manufacturing process

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We all know what a sweater is. But, do you know-how are the sweaters in the factory made? Let me explain how sweaters are made through various processes. Another thing I want to share with you is that I worked for a sweater manufacturing company in Dalang, China for three years in 2018. I remember the way we work in that factory.

The process of sample development, sample approval and order acceptance is similar to that of garment manufacturing. The other processes are briefly explained here.

 sweater manufacturing process

1. Yarn sourcing – Yarns are a primary raw material for sweater knitting. Factory sources yarn in hank or spool form. The factory I worked had their own spinning mill and yarn dyeing unit.

2. Winding of yarns – In this process, yarns are winded into cones from hanks in the winding machine. These cones are stored for production.

3. Yarn issue to production – Yarn distributor is employed for distributing yarn cones to operators. Yarn distributor collects yarns from a yarn store as per the order plan. Yarns cones are given to knitters based on their daily production capacity.

4. Knitting of sweater panels (Flat knitting) – Knitters knits sweater panels manually on flat knitting machine as per the design provided to them. In piece rate production knitting one worker makes all 4/5 panels (front, back, collar and 2 sleeves panels etc.). The number of a sweater panel may increase depending on style. Like a high fashion, a sweater might have side pockets and belt, front placket. Sweater collar is made in separate knitting machines with same batch/lot of yarns. Flat knitting machines are available in different gauze setting to produce sweaters for different weights. Small components like placket and belts are made in automatic knitting machines.

5. Checking of panels – Quality checker checks 100% panels on a flat table (or under the light table). Measurement checking of panels is done randomly.

6. Linking of different sweater panels – Knitted sweater panels are then sent to linking section. Different components of a sweater are joined together by means of linking machine.

7. Trimming – Loose yarns are trimmed in this stage by the trimmer.

8. Quality checking of complete sweaters – Sweaters are checked using a light checking machine.

9. Mending – in this process, knitting defects are repaired manually by the needle. Mending process is done prior to pressing

10. Button attaching /button holing – Sweaters are available in the front opening as well. So button attaching and buttonholing is done in the finishing stage. A sweater design might have a zipper for the front opening. Zippers are attached. Wash care label and brand label are attached using single needle Lock stitch machine.

11. Sweater Washing – Washing is the mandatory process for cotton and the acrylic based sweaters. This is also an important process for setting sweater shrinkage. Washing is not recommended for sweaters made of fancier yarns.

12. Finishing – Similar to garment finishing, sweaters finishing the process involved checking of pieces, measuring checking, spot removing, repair work (mending) and ironing.

13. Ironing – Sweater stretches easily. Steam irons are used to press the sweater. Measurements are also set in the ironing stage by using templates of different sizes. Measurements and pressing quality are checked after pressing. After the ironing sweaters are kept open to dry the steam.

14. Folding and Packing – Sweaters are folded. Hang tags, Price Tags and other tags and stickers are attached to folded sweaters and packed into poly bags.

15. Internal Final audit – This process is not mandatory but few factories audit sweaters prior to handing over shipment to buyer representative for the final inspection.

16. Shipment inspection – Sample-based inspection is carried out by buyers Quality Assurance personnel.

Now after shipment inspection by buyer representative, sweaters are ready for shipping. 

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1 thought on “ sweater manufacturing process”

  1. I¡¦m not positive where you are getting your information, however good topic. I needs to spend some time learning much more or working out more. Thanks for excellent info I used to be searching for this information for my mission.

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