Archive for March 27, 2013
Interestingly, cranes have been used to lift and move heavy items since antiquity. Fossilized fragments of 7mm rope have been found in one of the caves at Lascaux and are estimated to date back to approximately 15,000 BC. And, did you know that the Ancient Greeks used men or donkeys to power cranes? Cranes are obviously an essential part of construction in the modern world, used to construct a whole plethora of things.
It is important to note that cranes are actually quite complex and have many parts, from lifting chains to lifting gear to lifting slings. There are several different kinds of slings, such as chain slings or wire rope slings. There are also several different kinds of crane fittings. For example, common types of chain fittings includes S hooks, shackles, quick links, eye bolts and eye nuts. Cranes also utilize different kinds of ropes, for example steel rope or double braid rope. The steel wires that are used for wire ropes are typically made from non alloy carbon steel with a carbon content of 0.4 to 0.95 percent . In contrast, double braid rope has two parts: an inner braid inside an outer braid. The two may be made from different material; sometimes the fiber of the inner braid is chosen for strength, while the outer braid fiber is chosen for its resistance to abrasion.
It is crucial to note that crane safety is absolutely essential. If your company owns or operates cranes you want to protect the health and well being of your employees. Ideally, you will want to offer a fall protection program and crane safety training. You will also want to look into different kinds of slings, such as web slings or chain slings. Slings, such as chain slings, are an important aspect of chain safety. Overall, crane safety, including slings, such as chain slings, is absolutely essential.