Program outlined for subjecting certain parts of excavating machines to peak loads in single staged test instead of making numerous field tests; determination of loading frequency; units for measuring loads on dragline booms; electric pantograph for tracing digging path of shovel; dragline boom tests; simultaneous records of swing torque and side bending.
Research on performance of power cranes and shovels
Soc Automotive Engrs -- J
Society of Automotive Engineers -- Journal ; 57 , n 11
1949
5 pages
Article (Journal)
English
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