One class to build division of electrical and mechanical engineering project: the common materials and equipment
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Mechanical and electrical engineering project commonly used materials and engineering equipment
Project professional technology
Master crane use requirements
A crane, classification, scope of application and basic parameters
( a ) crane selection of basic parameters
1 load
( 1) transport load. General coefficient K1 = 1.1
( 2) non-uniform load. General coefficient K2 = 1.1 ~ 1.2
( 3) load calculation. The general formula is: Qj = K1K2Q 2
