Recent Blogs
Hoist Side Pull Detection
Hoist Side Pull Detection Side pulling a hoisted load is an unsafe practice that may cause tragic consequences when bystanders are struck or pinned by the swinging load. Side pulling is written into most operations manuals as a forbidden operational practice because...
Annual Oil Analysis of Crane and Hoist Gearboxes
Annual Oil Analysis of Crane and Hoist Gearboxes Most hoist manufacturers require specific lubricants for their gear cases and have defined time requirement for oil changes. Since the gear case is usually the most expensive repair component, it makes absolute sense...
Crane Anti-Collision Systems
Reducing the potential for collisions between overhead cranes, monorail hoists as well as fixed objects and obstructions such as in-plant office structures has been a challenge for the overhead material handling industry for many years. Until recently it was only possible to minimize the resulting impact from collisions using mechanical means such as bumpers, barriers or limit switches. With current technology, it is now possible to economically prevent these collisions using more sophisticated means in a variety of operating environments.
Hoist Upper Limit Controversy
Hoist Upper Limit Controversy There is a huge controversy within the hoist inspection community when discussing the ANSI requirement of a secondary limit switch on European style hoists sold with only a single upper limit switch that is operated based upon drum turns....
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