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Gas nitrocarburizing method for automobile brake disc

A technology of automobile brakes and gas nitrogen, which is applied in the field of surface heat treatment, can solve the problems of vehicle vibration and howling, and achieve the effects of preventing rainwater erosion, reducing maintenance costs, and improving corrosion resistance

Inactive Publication Date: 2015-01-21
上海上大热处理有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a gas nitrocarburizing method for automobile brake discs, so as to solve the problem of vehicle vibration and howling when the automobile is braking in the prior art. question

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  • Gas nitrocarburizing method for automobile brake disc

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Embodiment Construction

[0012] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.

[0013] see figure 1 , figure 1 Shown is the flow chart of the implementation steps of the gas nitrocarburizing method for the automobile brake disc of the present invention. It should be noted that the diagrams provided in this embodiment are only schematically illustrating the basic idea of ​​the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and sh...

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Abstract

The invention provides a gas nitrocarburizing method for an automobile brake disc, mainly comprising: pre-oxidating the brake disc; then putting the automobile disc into a special furnace for gas soft-nitriding; introducing nitrogen, ammonia gas and carbon dioxide into the furnace when the temperature of the special furnace is between 540 DEG C to 580 DEG C; keeping warm for one to six hours; and then taking out the brake disc and cooling the brake disc rapidly. By using the method, after the braking disc being thermally treated by gas nitrocarburizing the wear resistance of the part surface is increased. Meanwhile, a loose coating is formed on the surface; therefore the tremble and the squeaking noise are prevented in an automobile braking process.

Description

technical field [0001] The invention relates to a surface heat treatment technology for auto parts, in particular to a gas nitrocarburizing method for an auto brake disc. Background technique [0002] Over the past ten years, with the rapid development of my country's automobile industry, various advanced heat treatment technologies centering on high quality, energy saving and environmental protection have been widely used in the production of automobile parts. Heat treatment is an important technical means for automotive products to obtain the required strength and toughness, and to achieve safer and more reliable products. At the same time, the quality of heat treatment is an important guarantee for the reliability, durability and safety of products. Especially for the surface heat treatment quality of auto parts, it will directly affect the process of localization of the auto industry, and also directly related to the stability and safety of auto handling. [0003] In th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C8/32
Inventor 顾晓文
Owner 上海上大热处理有限公司
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