Centrifugal high-carbon, high-boron and high-speed steel composite roller shell and fabrication method of combined roller of composite roller shell
A technology of centrifugal compounding and manufacturing method, applied in the direction of rolls, metal rolling, manufacturing tools, etc., can solve the problems of low energy consumption, difficult to control temperature drop, segregation of the interface between inner and outer layers, etc., to improve the service life and material utilization rate. Effect
Active Publication Date: 2013-03-13
JIANGSU GONGCHANG ROLL
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Abstract
The invention discloses a centrifugal high-carbon, high-boron and high-speed steel composite roller shell and belongs to the technical field of casting. An outer layer of the roller shell is made of a high-carbon, high-boron and high-speed steel material; an inner layer of the roller shell is made of graphitic steel; good metallurgical bonding is achieved by centrifugal casting; an appropriate heat treatment process is adopted for property improvement on the high-carbon, high-boron and high-speed steel composite roller shell; a high-carbon, high-boron and high-speed steel combined roller is fabricated by a hot charging method; the high-carbon, high-boron and high-speed steel composite roller shell can be replaced after being abraded; and the cyclic utilization of a roller shaft is achieved. Compared with a high-speed steel roller by centrifugal casting, the material utilization ratio is increased by more than 30%, and the service life is prolonged by more than 20%.
Application Domain
Furnace typesRolls +2
Technology Topic
High-speed steelHigh carbon +2
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