The main role of heat treatment in the girth gear of rotary kiln
2018-12-28 | Editor:
The girth gear is a key component on the rotary kiln and requires good comprehensive mechanical properties and tooth surface wear resistance to ensure stable operation of the rotary kiln. When the metallurgical factors such as smelting and pouring are determined, the metallographic structure becomes the decisive factor in the mechanical properties of the steel castings, and the chemical composition and heat treatment process are crucial for the formation of metallographic structures in various parts of the girth gear.
It is well known that different heat treatment methods and different heat treatment parameters have different effects on the mechanical properties of the material, thus affecting the performance, practical life and failure mode of the girth gear. Therefore, it is necessary to control the heat treatment process of the girth gear very well. In general, in order to prevent heat treatment deformation, the tooth blank is subjected to normalizing or quenching and tempering after rough machining, and has the following three functions:
1. The large girth gear is heat-treated, so that the girth gear structure is optimized, the hardness is improved, the wear resistance and impact resistance are greatly enhanced.
2. Eliminate residual stress and soften the steel for cutting.
3. Refine the grain, optimize the structure to improve the mechanical properties of the steel.
As a professional casting manufacturer of rotary kiln girth gear, CHAENG can provide customers with a series of services from blank casting to finished products. At present, products of CHAENG cover a wide range, mainly including ball mills, rotary kiln, vertical mills, coal mills, crushers, etc. in the building materials industry, rolling mills, slag tanks, extrusion machines in the metallurgical industry, presses in the ceramic industry, etc., welcome for inquiry, CHAENG be happy to serve you.
girth gear of rotary kiln
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