Categories
Archives
Tags
B&H Photo Bridge Crane Bridge Crane Service Classes Circuit City CLASS A (STANDBY OR INFREQUENT SERVICE) CLASS B (LIGHT SERVICE) CLASS C (MODERATE SERVICE) CLASS D (HEAVY SERVICE) CLASS E (SEVERE SERVICE) CLASS F (CONTINUOUS SEVERE SERVICE) CMAA CMAA Crane Service Classes Crane Duty Cycle Crane Knowledge Base Electric Chain Hoists H4 Duty Cycle HMI Hoist Hoist Manufacturers Institute Hoist Manufacturing Company Inc. Magazine It Isn't the Economy Stupid Lifting Devices Load Summing Material Handling Industry of America Material Handling Magazine OSHA OSHA 1910.179 Overhead Bridge Cranes Overhead Crane Overhead Crane Builder Overhead Cranes Overload Protection Tax Deduction for Crane Investments Wire Rope Hoists
Hoists Archive
-
One requirement would be more effective than all of OSHA
Posted on Thursday, June 18, 2009 | No CommentsThere it is, just nine words. You may have thought that a mechanical or electrical device to prevent the operator from lifting loads in excess of the safe capacity was already required, but it's not!!! -
Overload Protection
Posted on Monday, January 21, 2008 | No CommentsThe topic of the day is a particular type of "overload protection", that is cranes with two hoists. We frequently are asked to supply crane that have two hoists for flipping a die. In this case either hoist may be required to lift the full load, lets say 5 tons, but never will the sum total of the lift be 5 tons. -
Figures Don’t Lie, but Liars Figure
Posted on Saturday, August 25, 2007 | No CommentsThe H3 hoist is considered to be a "standard" duty hoist and the h4 is the beginning of the "heavy" duty hoists. Prior to this time, most manufactures had a mixed line of offerings including, H2, H3, H4 and H5 hoists, but at this meeting we were being told that this supplier had only H4 and higher hoists from this day forward.