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Tight stitching of trackless flat car

Release time: 2019-12-09 Browse: 168 times

Trolley flat cars have tight stitches. Flat cars are mainly used to transport large volume or heavy goods such as steel, wood, automobiles, machinery and equipment, and other goods can also be transported by means of containers. Flat cars can also adapt to national defense needs

1. Slow down the hook pair, which is good for overcoming stitches and tight threads.

2. Turn the feed dog faster to prevent the thread from being taken up, so that the stitches formed will be looser.

3. Adjust the position of the thread hook appropriately to increase the amount of thread supplied by the thread take-up lever.

4. Lower the tension of the thread take-up spring.

5. Lower the upper thread tension.


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