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How to control the quality of Sling
Feb 20, 2017

Sling quality requirements with quality materials and weaving. Dimer acid ester band, continuous fibers such as polyester, polypropylene, woven. Knitting woven fabrics, should not have any obvious flaws in the process, you should use the same materials. Tape standard is 25 mm, width 35 mm, 50 mm and 75 mm, 100 mm, 150 mm, 200 mm, 300 mm. Allowed deviation bandwidth of 100 mm or less, tolerances of +/-10%, when bandwidth is greater than 100 mm, tolerances of plus or minus 8%. And thickness should be uniform, when lifting belt by more than one tape, tape thickness is the same. Strapless stain, paint, cover should be nontoxic, harmless. Second, lifting belt sewing. Sew sewing sewing line should use the same quality of materials, flat pins. When sewing thread-band width should be a distance, thickness not exceeding 10 mm, remains the suture, 2-4 mm thickness greater than 10 mm closure with 4 to 8 mm. Stitch seams should end when the back seam length should not be less than 25 mm. Finally, lifting belt ready to end in raising soft ring metal, lifting requirements with a soft ring internal diameter not less than 2.5 times the diameter of the end. Part of the metal's strength should not be below the belt 4 times a load limit. End use of cast components. Mastered the above 3 points can effectively control the quality of lift.

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