Can a Flexible Lifting Sling Cut by the Load's Sharp Edge Still Be Used?

A single cut from a sharp edge can put an entire flexible lifting sling out of service on the spot. Before sampling, price comparison, and bulk ordering, buyers are advised to request the supplier's scrapping criteria and inspection reports first, keeping safety hazards out of the workshop.

If the cover shows only slight fuzzing, with no fiber breakage, no exposed core, and intact stitching and label, the sling may continue in service at a reduced rating after inspection and documentation by a qualified person. Once the cover is cut through and the core fibers are visible, or if the stitching has burst, localized hardening or melting occurs, chemical corrosion causes discoloration, or the label is no longer readable, the sling must be withdrawn from service and scrapped immediately — standards expressly prohibit any sewn repair of the load-bearing core, and no "just stitch it up and keep using it" approach is acceptable.

Fit a polyester corner protector sleeve or polyurethane edge pad at the contact point between the flexible lifting sling and the sharp edge to increase the contact radius. Where no protector can be fitted, use a longer sling to keep the load-bearing point away from the edge, or switch directly to a heavy-duty model with a wear-resistant cover. Customers who wish to verify the protection effect through samples may request corner protector samples and a quotation for the matching solution at the inquiry stage, and arrange bulk orders after completing the price comparison.

FAQ

Q1: After a cut, how is the reduced load rating determined? 

A: A flexible lifting sling must be assessed by a qualified inspector based on its residual strength. In the absence of any assessment basis, it shall be scrapped as a rule; buyers are not advised to make their own estimates.

Q2: How much service life can a corner protector sleeve add? 

A: For a flexible lifting sling it depends on the wear rate. Under normal working conditions it can significantly reduce the frequency of cover replacement, but actual measured data should prevail rather than empirical estimates.

Q3: Can only the cover be replaced while keeping the core? 

A: No. In a flexible lifting sling the cover and the load-bearing core form an integral structure and must not be separated or replaced by anyone other than the original manufacturer.

About ShengYu

Hebei ShengYu Hoisting Machinery Factory specializes in the manufacture of lifting and lashing products. Its flexible lifting slings use high-strength polyester continuous filament bundles as the core, and the sleeve is woven on dedicated braiding machines. Before leaving the factory, each unit undergoes both visual and dimensional inspection, and batch load test reports are available. Length, tonnage, sleeve thickness, and printed markings can all be customized as required. During the inquiry and price comparison stage, buyers may request a specification confirmation sheet; during the sampling and trial order stage, they can measure the elongation under rated load and carry out the inspection of the sleeve structure, then proceed to bulk purchase and place the order once everything is confirmed — an effective way to avoid subsequent quality disputes and the cost of returns and replacements.

Tel: 15133220087 (same as WeChat) | Email: Kate@syhoist.com