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Casting steel capable of being used for producing mining truck axle housing

A technology for automobiles and axle housings, applied in the field of casting steel, can solve the problems of oil leakage and cracks, easy deformation, and difficulty in meeting the needs of heavy-duty vehicles, and achieves the effects of good plasticity, improved processing performance, and good low-temperature toughness.

Inactive Publication Date: 2016-04-06
ANHUI YUEZHONG AUTO BODY EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limitations of its own structure and welding process, the plate welded axle housing is prone to deformation, oil leakage and cracks during use, which is difficult to meet the work needs of heavy vehicles

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] A casting steel that can be used in the production of mining vehicle axle housings, made of the following raw materials in parts by weight (kg): steel scrap (iron content not less than 98%) 95, Z18 pig iron 2, crystalline silicon 0.4, carbon 0.3, cerium 0.2, calcium 0.4, manganese 0.9, chromium 1.2, molybdenum 0.05, calcium silicide 0.8, silica sol 0.1, industrial starch 0.2, barium sulfate 0.5, waste glass 0.3, impurities ≤ 0.01.

[0014] Described a kind of casting steel that can be used for mining automobile axle housing production is prepared by the following specific steps:

[0015] (1) Heat all the tools and molds at 250°C and take them out for later use; break steel scrap, Z18 pig iron, carbon, and crystalline silicon into small particles, then put them into a ball mill, and put them in the state of argon gas Ball milling for 4 hours to obtain composite powder; put the composite powder into the vacuum induction furnace, heat up and heat until completely melted, t...

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PUM

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Abstract

The invention discloses casting steel capable of being used for producing a mining truck axle housing. The casting steel is prepared from, by weight, 95-98 parts of waste steel (the iron content is not smaller than 98%), 2-3 parts of Z18 pig iron, 0.4-0.45 part of crystal silicon, 0.3-0.34 part of carbon, 0.2-0.24 part of cerium, 0.4-0.5 part of calcium, 0.9-1.1 parts of manganese, 1.2-1.3 parts of chromium, 0.05-0.06 part of molybdenum, 0.8-0.86 part of calcium silicide, 0.1-0.12 part of a silica solution, 0.2-0.25 part of industrial starch, 0.5-0.6 part of barium sulfate, 0.3-0.35 part of waste glass and not larger than 0.01 part of impurities. According to the casting steel capable of being used for producing the mining truck axle housing, cerium, calcium and other elements are added in the steel casting process, the fluidity and the heat crack performance of the casting steel are improved due to addition of a mixed de-oxidizing agent, the machining performance is improved, the product subjected to heat treatment is high in strength, plasticity and heat crack resistance, and requirements of various mining truck axle housings are met.

Description

technical field [0001] The invention relates to the technical field of casting materials, in particular to a casting steel that can be used in the production of mining automobile axle housings. Background technique [0002] The automobile axle is one of the key parts of the automobile. It is not only a part of the transmission system, but also an important part of the driving system. As the main part of the axle, the automobile axle housing is a key component to ensure the normal operation and service life of the automobile, so it has high requirements for its mechanical strength, stiffness and fatigue resistance. The production cost of the axle housing accounts for about 30% of the total cost of the drive axle. Especially when heavy-duty vehicles are working due to harsh roads and working conditions, the axle housing is subjected to strong impact loads, and the quality requirements for the axle housing are higher. Due to the limitations of its own structure and welding pr...

Claims

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Application Information

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IPC IPC(8): C22C38/18C22C38/12C22C38/04C22C38/02C21C7/06C21C7/064C21D1/18B60B35/16
CPCB60B35/16C21C7/06C21C7/064C21D1/18C22C38/002C22C38/005C22C38/02C22C38/04C22C38/12C22C38/18Y02P10/20
Inventor 杨贤亮
Owner ANHUI YUEZHONG AUTO BODY EQUIP
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