It’s rare for a week to go by here at Industrial Wire Rope without discussions about tensile strength or working load limit. We take it for granted that most people in our industry know there is a difference in the meaning of these terms. Yet, these terms and others are highly interrelated, and we thought [...]
The BEST Rigging Advice You'll Ever Receive: The best advice we can possibly give you when it comes to rigging is safety first - ALWAYS! The complicated system of ropes, cables, and/or chains involved in the rigging process can cause serious problems if you're not being cautious enough and not following proper practices. More Rigging Advice: [...]
Many people are confused by whether a forged or cast product, part, or material is better to utilize. The truth is, it really varies on application. What is Casting? Casting is the process where metal is heated until molten. While in the molten or liquid state it is poured into a mold or vessel to [...]
Sling Angles: Two Legged Sling - Wire Rope, Chain, and Synthetics Vertical share of load on slings are equal if center of gravity is in the middle. Horizontal Sling Angle Horizontal Sling Angle (A) Degree Load Angle Factor = L/H 90 1.000 60 1.155 50 1.305 45 [...]
Employers must use qualified riggers during hoisting activities for assembly and disassembly work (1926.1404(r)(1)). Additionally, qualified riggers are required whenever workers are within the fall zone and hooking, unhooking, or guiding a load, or doing the initial connection of a load to a component or structure (1926.1425(c)).
A qualified rigger is a rigger who meets the criteria for a qualified person. Employers must determine whether a person is qualified to perform specific rigging tasks. Each qualified rigger may have different credentials or experience. A qualified rigger is a person that: possesses a recognized degree, certificate, or professional standing, or has extensive knowledge, [...]