A kind of alloy material for making worm gear and preparation method thereof
An alloy material and worm gear technology, which is applied in the field of metal material preparation, can solve the problems of wear resistance, hardness, rust resistance, corrosion resistance, high and low temperature resistance, brittleness, toughness, cost can not be taken into account, etc., to achieve good comprehensive mechanics Stable and uniform performance, quality, high strength and hardness
Active Publication Date: 2016-08-17
南通市正宏新材料有限公司
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Problems solved by technology
[0002] The development of alloy steel has a history of more than 100 years. So far, a variety of alloy steels have been applied in industry, mainly including the following types: quenched and tempered steel, spring steel, tool steel, high speed steel, die steel, high school Low-carbon alloy steel, etc., so far, although alloy steel technology has been greatly developed, there are still many problems, such as wear resistance, hardness, rust resistance, corrosion resistance, high and low temperature resistance, brittleness, toughness, Costs cannot be taken into account. In many cases, the production requirements cannot be met, and further improvements are needed to improve production efficiency, reduce costs, improve safety, provide guarantee for the development of high-tech, and provide impetus for social development. There are still many tasks to be done. difficult
Method used
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Embodiment Construction
[0013] An alloy material used to make worm gears, which contains chemical elements and their mass percentages are: carbon 3.5-3.7, silicon 1.0-1.2, manganese 2.1-2.3, molybdenum 0.8-1.1, copper 0.005-0.008, nickel 6.1- 6.3, Y0.3-0.5, Er0.01-0.03, Zn0.05-0.08, sulfur 0.005-0.04, phosphorus 0.005-0.04, and the balance is iron.
[0014] The production method of the alloy material used to make the worm gear is characterized in that:
[0015] (1) Put pig iron and scrap iron into the furnace at a ratio of 1:1 and melt them as the source of iron matrix; carry out desulfurization, deoxidation, alloying, refining with refining agents, casting, post-casting heat treatment, etc.;
[0016] (2) The batch sequence of alloying elements put into the furnace during the alloying process is: (1) silicon, Zn; (2) manganese, Y, Er; (3) molybdenum, copper; (4) other remaining components; The time interval for adding elements in each batch is 12 minutes, and stir evenly after feeding.
[0017] The...
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Abstract
The invention discloses an alloy material for manufacturing a worm wheel. The alloy material consists of the following chemical element components in percentage by mass: 3.5-3.7% of carbon, 1.0-1.2% of silicon, 2.1-2.3% of manganese, 0.8-1.1% of molybdenum, 0.005-0.008% of copper, 6.1-6.3% of nickel, 0.3-0.5% of Y, 0.01-0.03% of Er, 0.05-0.08% of Zn, 0.005-0.04% of sulfur, 0.005-0.04% of phosphorus and the balance being iron. By combining such rare earth elements as erbium and yttrium as well as other raw materials, rationally setting proportions and a production process, and rationally setting an adding order, the formed alloy material disclosed by the invention is good in comprehensive mechanical property, and in particular has characteristics of quite high strength, hardness and abrasive resistance, good toughness and the like; moreover, the alloy material has a characteristic of high temperature resistance, and is applicable to worm wheel manufacturing; partial waste iron serves as a raw material, so that quality stability and uniformity of the alloy are enhanced; the alloy material is low in porosity.
Description
technical field [0001] The invention relates to the field of metal material preparation, in particular to an alloy material for making a worm wheel and a preparation method thereof. Background technique [0002] The development of alloy steel has a history of more than 100 years. So far, a variety of alloy steels have been applied in industry, mainly including the following types: quenched and tempered steel, spring steel, tool steel, high speed steel, die steel, high school Low-carbon alloy steel, etc., so far, although alloy steel technology has been greatly developed, there are still many problems, such as wear resistance, hardness, rust resistance, corrosion resistance, high and low temperature resistance, brittleness, toughness, Costs cannot be taken into account. In many cases, the production requirements cannot be met, and further improvements are needed to improve production efficiency, reduce costs, improve safety, provide guarantee for the development of high-tech,...
Claims
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IPC IPC(8): C22C38/16C22C33/04C21D6/00
CPCY02P10/20
Inventor 黄浩
Owner 南通市正宏新材料有限公司