Three wear-resistant pump body castings were poured in production, and three attached cast test blocks were taken. The numbers of the three attached cast test blocks were y30-1, y30-2 and y30-3, and the size of the attached cast test block was 180 mm × 30 mm × 85 mm....
1. Spheroidization Select the spheroidizing method of the dam type spheroidizing ladle rushing method, select the mixed rare earth spheroidizing agent with a mass fraction of 5% ~ 6% magnesium and 0.4% ~ 0.6% rare earth, and add 1.20% ~ 1.30% of the spheroidizing agent. Use the carbon and...
During the use of the wear-resistant pump body casting, the high-density hard particles move close to the cavity wall, thereby causing scouring and great friction damage to the inner wall of the flow-through parts. Therefore, the wear-resistant pump body casting itself needs to have high wear resistance. Wear resistant...
1. Selection of C and Si For wear-resistant pump body castings, the selection of C content should not only ensure the requirement of sufficient graphitization, but also take into account the risk of graphite floating in the casting process. Therefore ω (C) 3.65% ~ 3.80%; Si strongly promotes graphitization,...
The wear-resistant pump body casting is the main part of the pumping system. As the pumping system used in mining machinery and equipment contains hard particles, during the pumping process, due to vortex centrifugation and gravity, the high-density hard particles move close to the cavity wall, thereby causing erosion...
The bimetallic liquid lost foam composite casting technology is adopted to carry out the process sample by winding the iron first and then the steel, and inject the bimetallic liner wear-resistant casting. The lost foam belongs to negative pressure vacuum full mold casting. The carbon rich reducing atmosphere in...
Lost foam casting process is known as “new casting technology representing the 21st century” and “green engineering of casting” for its three characteristics of accurate forming, clean production and providing sufficient freedom for the structural design of wear-resistant castings. After lost foam casting, the foam model similar to the...
The middle clapboard is a kind of flat and vertical plate, which means that the mold is molded at the horizontal position, the cavity turnover is poured vertically during pouring, and the middle clapboard is inserted at the joint of two kinds of liquid metal. The figure is the...
Bimetallic material is a new type of functional material composed of two metals with different mechanical, physical and chemical properties. Its composite interface presents a solid metallurgical bonding state. Although the two metals maintain their original characteristics, their comprehensive physical, chemical and mechanical properties are much superior to those...
The wear-resistant lining plate is the main vulnerable and consumable part in the ball mill in the beneficiation industry. When the wet mill works, the wear-resistant lining plate will bear the impact and grinding stripping of materials and grinding balls in the corrosive mineral loading environment, resulting in various...