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| ILE: ADVISOR |


5 COMMON PROBLEMS WITH OVERHEAD CRANES AND HOW TO AVOID THEM


BY: MAZZELLA COMPANIES


Purchasing an overhead crane can be a big investment. Learn about some problems you might encounter during the life of your overhead crane and what you can do to mitigate them.


Just like with an automobile or any other piece of equipment or machinery, your overhead crane will need regular maintenance to prolong its life and keep it operating efficiently. We understand that purchasing an overhead crane can be a big investment, and an investment that you’ll want to protect. We’ve put together this list of the five most common


problems with overhead cranes so that you have a better understanding of what issues or problems you might encounter during the life of your overhead crane. And most importantly, what you can do to help prevent or mitigate them. We recommend that you establish a regular inspection schedule for your overhead crane. You should also follow the manufacturer’s recommendations for service and maintenance intervals, and consider duty cycle and environmental factors when designing your crane to help extend the life of your crane and the crane components. Read on to learn more about the five most common problems with overhead crane systems.


1. DAMAGE OR DEGRADATION TO THE WIRE ROPE


If you’re straining your crane by lifting loads or using it in matters that it wasn’t designed or rated for, you’ll ultimately end up spending more in the long-run in repairs and upgrades.


crane system. Tere are a number of common wire rope problems, including any of the following:


• Te wire rope has jumped out of the reeving system


• Reduction of rope diameter below nominal – loss of core support, internal or external corrosion, wear of outside wires


• Broken or worn outside wires • Corroded or broken wires at end connections


Severe kinking, crushing, cutting, or unstranding Many operating conditions can affect the life of wire


Damage or degradation to wire rope is one of the most common issues that you may experience with an overhead


rope. Bending, stresses, loading conditions, speed of load application (shock load), abrasion, corrosion, sling design, materials handled, environmental conditions (heat or chemical exposure), lubrication, and history of usage will all factor into how long wire rope can stay in service.


INDUSTRIAL LIFTING EXCHANGE DECEMBER – JANUARY 2018 27


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