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Anti-fatigue vehicle gear processing technology

A technology for automotive gears and treatment processes, applied in heat treatment furnaces, heat treatment equipment, metal material coating processes, etc., can solve problems such as gear fatigue damage, reduce transmission performance, etc., achieve performance improvement, increase service life, and enhance structural performance Effect

Inactive Publication Date: 2018-12-18
含山县林头宝兴铸造厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] A gear is a mechanical element that has teeth on the rim and can continuously mesh to transmit motion and power. It is a toothed mechanical part that can mesh with each other. The application of gears in transmission has appeared very early. When working, the force received is relatively large. At the same time, when the power is transmitted, the vibration of itself and the mutual meshing process between the gears will receive a certain force. If things go on like this, the gears will suffer certain fatigue damage, which will greatly reduce the transmission. performance, therefore, how to improve the fatigue resistance of gears is a technical problem that needs to be solved

Method used

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  • Anti-fatigue vehicle gear processing technology

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Effect test

Embodiment 1

[0020] A treatment process for fatigue-resistant automotive gears, comprising the following steps:

[0021] (1) Cleaning:

[0022] Use lye to soak and clean the car gears for 20 minutes, then take them out, then soak the car gears in absolute ethanol for 3 minutes, take them out, and dry them to a constant weight.

[0023] (2) Solid solution modification treatment:

[0024] Carry out solid solution modification treatment on automotive gears in an electric heating furnace. The process conditions of the solid solution modification treatment are: heat up to 225 °C at a heating rate of 1.5 °C / s, keep it warm for 5 minutes, and then inject neon and nitrogen Mixed gas, then heated to 980°C at a heating rate of 0.3°C / s, heat preservation treatment for 45min, then lowered to 335°C at a cooling rate of 0.6°C / s, kept at a temperature of 40min, and then continued to reduce to 70°C at the same cooling rate ℃, heat preservation, and then soak the automobile gear in the impregnating solut...

Embodiment 2

[0033] A treatment process for fatigue-resistant automotive gears, comprising the following steps:

[0034] (1) Cleaning:

[0035] Use lye to soak and clean the car gears for 25 minutes, then take them out, then soak the car gears in absolute ethanol for 3 minutes, take them out, and dry them to a constant weight.

[0036] (2) Solid solution modification treatment:

[0037] Carry out solid solution modification treatment on automotive gears in an electric heating furnace. The process conditions of the solution modification treatment are as follows: heat up to 225 °C at a heating rate of 1.5 °C / s, keep it warm for 8 minutes, and then inject neon and nitrogen Mixed gas, then heated to 980°C at a heating rate of 0.3°C / s, heat preservation treatment for 50min, then lowered to 335°C at a cooling rate of 0.6°C / s, kept at a temperature of 40min, and then continued to reduce to 70°C at the same cooling rate ℃, heat preservation, and then soak the automobile gear in the impregnating ...

Embodiment 3

[0046] A treatment process for fatigue-resistant automotive gears, comprising the following steps:

[0047] (1) Cleaning:

[0048] Use lye to soak and clean the car gears for 22 minutes, then take them out, then put the car gears in absolute ethanol for 3 minutes, take them out, and dry them to a constant weight.

[0049] (2) Solid solution modification treatment:

[0050]Carry out solid solution modification treatment on automotive gears in an electric heating furnace. The process conditions of the solution modification treatment are as follows: heat up to 225 °C at a heating rate of 1.5 °C / s, keep it warm for 6 minutes, and then inject neon and nitrogen Mixed gas, then heated to 980°C at a heating rate of 0.3°C / s, heat preservation treatment for 49min, then lowered to 335°C at a cooling rate of 0.6°C / s, kept at a temperature of 40min, and then continued to reduce to 70°C at the same cooling rate ℃, heat preservation, and then soak the automobile gear in the impregnating so...

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Abstract

The invention discloses an anti-fatigue vehicle gear processing technology, and relates to the technical field of gears. The anti-fatigue vehicle gear processing technology comprises the following steps that (1), cleaning is conducted; (2) solid solution modification processing is conducted; and (3) temper modification processing is conducted. The anti-fatigue vehicle gear processing technology isresearched by a plurality of experiments. The vehicle gear surface processing technology is greatly optimized. The vehicle gear organization structure can be effectively improved. The surface layer can be strengthened. Vehicle gear surface layer components, organization and performance are significantly improved.

Description

technical field [0001] The invention belongs to the technical field of gears, and in particular relates to a treatment process for fatigue-resistant automobile gears. Background technique [0002] A gear is a mechanical element that has teeth on the rim and can continuously mesh to transmit motion and power. It is a toothed mechanical part that can mesh with each other. The application of gears in transmission has appeared very early. When working, the force received is relatively large. At the same time, when the power is transmitted, the vibration of itself and the mutual meshing process between the gears will receive a certain force. If things go on like this, the gears will suffer certain fatigue damage, which will greatly reduce the transmission. Therefore, how to improve the fatigue resistance of gears is a technical problem that needs to be solved. Contents of the invention [0003] The purpose of the present invention is to provide a fatigue-resistant automotive g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/74C21D1/78C21D9/32C23C8/38C23C22/50
CPCC21D1/74C21D1/78C21D9/32C23C8/38C23C22/50
Inventor 张世宝
Owner 含山县林头宝兴铸造厂
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