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Sewing Process And Design Requirements Of Dust Filter Bags
Apr 16, 2018

Sewing process and Design requirements of dust filter bags:

The longitudinal seams of dust collector bags must be firm, straight and not less than three, and the ring stitches of the bag top of the dust collector must be firm and not less than two.The ring seams of the dust bag shroud ring shall be firm and not less than two on each side.

Ring seams at the bottom of the dusty bag are allowed on a single thread, but must be sewn in more than two circles.The deviation of material length of dust bag is ±10mm, the pin code should be uniform in the periphery of the bag, the longitudinal pin code should not be less than 15 stitches / 10cm, the transverse pin code should not be less than 12 stitches / 10cm, the sewn bag should not have loopholes and damage defects;The bag larger than 200 mm in diameter and longer in length than 5000mm should be tested by tensile test, and its elongation should meet the requirements.

Other mandatory requirements:

A) Continuous jumpers are not allowed and there is no more than 1 stitch and 1 line within the 1m suture;

B) No floating line;

C) Continuous drop is not allowed and there is no more than 1 drop within 1 m.





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