If the edge radius "r" is smaller than the thickness of the flat sling/round sling "d" , the edge is considered "sharp". Lateral movements or surface pressure can already be enough to sever the lifting gear.
In addition to loads with rectangular edges, there are goods with deviating shapes. These include loads with protruding edges and with sharp or jagged outer contours, such as cogwheels, turbine blades etc. These edges cannot be determined by the general rule.
The shape and surface finish of the edges have a significant impact on the durability of the lifting gear. Very rough surfaces, such as those of a prefabricated concrete component, can very quickly damage textile lifting gear or a wire rope.
In order to assess the sharp edge, „tools“ are required.
The following tools can be used to determine radii:
HMPE [Heavy Duty High Capacity Performance] webbing is 50% thinner than conventional slings. This allows it to be used in tighter edge radii than conventional PES slings.
Slings with Secutex have protection on one or both sides, along the entire length of the sling.
Using No-cut and anti-abrasion protections will extend the life of your equipment while improving safety for employees.
The best defence is a good attack! By protecting the edges of the load, the radius of the load can be enlarged and its cancelled cutting capacity.
Secutex Guide - Lifting equipment with extreme protection for sharp edges and abrasive surfaces
Metal or construction industries that work constantly with sharp or abrasive loads need the best protection to ensure the safety and profitability of their equipment.
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High-tech cut protection for textile lifting sling protection for easy positioning on the sharp edge
NoCut ultimate cut protection in lifting flat slings and round slings. Enhance safety and durability for lifting sharp-edged loads.
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