256HC Mast SectionWhat are the quality problems of the tower crane itself that caused the accident
there are many causes of tower crane accident, tower crane quality is one of the main reasons. In this paper, the http://www.fx68.net of the Tower Crane Construction Machinery Plant will be based on the causes of previous accidents, summarized below, resulting in accidents related to the quality of the Tower Crane common problems?
256HC mast section is the best in this field
DESIGN PROBLEMS: The design of moment limiter has defects, poor sensitivity, steel structure design is not reasonable, hydraulic system design defects and so on. SPARE PARTS PROBLEMS: Moment limiter component quality problems, steel structure used in the problem, hydraulic system components quality problems and so on. Manufacturing problems: Steel Structure Welding can not meet the requirements. There are some defects such as Blowhole, slag inclusion and even virtual welding, especially the welding quality problem in the important parts such as tower cap, tower crane arm and balance arm. The geometrical dimensions of steel structure do not conform to the requirements. The size of steel section can not reach the national standard if the cutting material is not as required. Factory certificate of compliance and the use of the manual issues: No factory certificate of compliance, is counterfeit and shoddy products. There is no batch description and no indication of changes to the original design
256HC mast section is the best in this field
