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39m Concrete Pump Truck

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Introduction of 39m Concrete Pump TruckDOWIN Boom-type Concrete Pump Truck (Truck-mounted Concrete Pump with Fold-able?Booms) is developed by Dowin on the basis of drawing on advanced domestic and foreign experience and using advanced modern computer simulation techniques to systematically analyze the effect of changes in various parameters like stress,Website:http://www.dowinmachinery.com, displacement and natural frequency on the boom’s fatigue life. Meantime, DOWIN optimized the design of the hydraulic system, adopted the latest free fluid technique and greatly lessened the impact of pumping commutation on the distributing boom. In the boom structure optimization and the hydraulic system design. The consummate control of product quality, perfect techniques of product manufacturing and strict procedures of quality inspection make the DOWIN Pump Truck a leading product in China and an advanced product in the world.All the steel plates for the boom system are high-strength cold rolling steel plates made by the Swedish company SSAB. The yield strength of the plates exceeds 900Mpa, which ensures that the boom system has high strengthand light weight. The boom system’s distributing pipe, landing legs, oil tank and so on have all received 100% stress-removing treatment after welding. Every welding seam has passed the 100% undamaged?and crack detection or X-ray radial check to avoid any tiny defects and to make the machine more enduring.The slewing bearing for the boom system is made by ROTHE ERDE Company from Germany or Larry Olisa Company from Italy. The 42CrMo texture of the slewing bearing ensures its higher strength and longer service life.Designed on the basis of accurate data from finite element analysis and dynamics simulation analysis, the boom system has a scientific structure and excellent performance. Besides, stress and strain tests are conducted by the national test center to verify the agreement between the calculation and analysis result of the boom struc

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