L68A1 Mast Section Tower Crane Parts scrap standards, strict implementation, must not report fluky psychology
a customer a few years ago to purchase my plant two tower cranes, during the construction has been in use. Recently feedback, tower crane parts appear aging, cracks and other issues, can continue to use? Or after the maintenance can continue to use? In order to be responsible to the customer, Xiao Bian was assigned by the manufacturer to go to the site to check the tower crane situation, clearly pointed out to the customer the scrap standard of each part of the tower crane, combined with the actual situation made two tower crane scrap conclusion. Now give the tower crane parts scrap standard, for your reference. 1. Scrap of structure and working life
L68A1 Mast Section
http://www.towercranesupply.com/product/l68a1-mast-section-for-tower-crane-masts
1. The calculation stress of main bearing structure of tower crane is increased because of corrosion or wear, when it exceeds 15% of the original calculation stress, it should be scrapped. When the corrosion depth reaches 10% of the original thickness without calculation conditions, it should be scrapped. 2. The main load-bearing structural members of the Tower Crane, such as the tower body and the Jib, should be scrapped when the overall stability is lost. If there is local damage and repairable, the repair should not be less than the original structure of the bearing capacity. 3. When cracks appear in the structure parts and welding seam of tower crane, measures such as strengthening or re-welding should be taken according to the stress and cracks, and its development should be observed regularly in use
