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Temperature control assisted ultrasonic rolling surface strengthening device and method

A technology of ultrasonic rolling and surface strengthening, applied in the direction of heat treatment process control, heat treatment equipment, manufacturing tools, etc., can solve the problem of metal workpiece material performance not meeting expectations, etc. convenient effects

Active Publication Date: 2022-07-01
CHINA UNIV OF MINING & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above analysis, the present invention aims to provide a temperature-controlled assisted ultrasonic rolling surface strengthening device and method to solve the problem that the existing surface ultrasonic rolling process is mostly carried out at room temperature, and the material properties of the processed metal workpiece cannot reach to the expected problem

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  • Temperature control assisted ultrasonic rolling surface strengthening device and method
  • Temperature control assisted ultrasonic rolling surface strengthening device and method
  • Temperature control assisted ultrasonic rolling surface strengthening device and method

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Embodiment 1

[0045] A specific embodiment of the present invention discloses a temperature control-assisted ultrasonic rolling surface strengthening device, comprising: an ultrasonic rolling module and a temperature control module; the temperature control module includes: a cold field loading module and a hot field loading module; The cold field loading module includes a liquid nitrogen tank 2 and a liquid nitrogen tube 4 for cooling the metal workpiece to be processed; the thermal field loading module includes a heating member, and the heating member is used for heating the metal workpiece 6; the The ultrasonic rolling module includes: a machine tool 1 and a machining tool 5 , which are used to realize the ultrasonic rolling process of the metal workpiece 6 .

[0046] Further, the ultrasonic rolling process is performed by applying a rolling load to the metal workpiece through an ultrasonic rolling module.

[0047] In a specific embodiment of the present invention, the ultrasonic rolling ...

Embodiment 2

[0071] In a specific embodiment of the present invention, on the basis of Embodiment 1, the surface strengthening device for temperature control-assisted ultrasonic rolling is provided with a temperature control conversion mechanism 9 that can convert cold field loading or hot field loading.

[0072] like Figure 2-4 As shown, the temperature control conversion mechanism 9 includes: the temperature control conversion mechanism 9 includes: a temperature control assembly 94 and a rotating shaft 93; the temperature control assembly 94 includes: a cooling layer 941 and a heating layer 943; the rotating shaft 93 can drive the temperature control assembly 94 to rotate, thereby switching the cooling layer 941 or the heating layer 943 to contact the metal workpiece 6 .

[0073] Further, the rotating shaft 93 is fixedly connected with the rotating wheel 92, and the rotating wheel 92 is driven to rotate by a motor.

[0074] Further, the rotating wheel 92 is rotatably mounted on the fix...

Embodiment 3

[0088] A surface strengthening method for temperature-controlled assisted ultrasonic rolling, using the surface strengthening device for temperature-controlled assisted ultrasonic rolling described in Embodiment 1 or 2 to perform ultrasonic rolling on a metal workpiece, specifically, comprising the following steps:

[0089] Step S1: select a cold field loading module or a hot field loading module to adjust the temperature of the metal workpiece 6 according to process requirements;

[0090] Step S2: monitor the surface temperature of the metal workpiece 6 through a temperature sensor;

[0091] Step S3: When the metal workpiece 6 reaches the preset temperature, the surface of the metal workpiece 6 is ultrasonically rolled by the ultrasonic rolling module.

[0092] In the step S1, the metal workpiece 6 is placed on the cold field loading module or the hot field loading module.

[0093] Further, when the temperature control-assisted ultrasonic rolling surface strengthening device...

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Abstract

The invention relates to a temperature control assisted ultrasonic rolling surface strengthening device and a temperature control assisted ultrasonic rolling surface strengthening method, belongs to the technical field of metal processing, and solves the problem that the material performance of a processed metal workpiece cannot reach the expectation due to the fact that most existing surface ultrasonic rolling processes are carried out at normal temperature. The surface strengthening device comprises an ultrasonic rolling module and a temperature control module. The temperature control module comprises a cold field loading module and a thermal field loading module; the cold field loading module comprises a liquid nitrogen tank and a liquid nitrogen pipe and is used for cooling a metal workpiece to be treated; the thermal field loading module comprises a heating component, and the heating component is used for heating the metal workpiece; the ultrasonic rolling module comprises a machine tool and a machining tool and is used for achieving ultrasonic rolling machining of the metal workpiece. The surface ultrasonic rolling technology is carried out on the metal workpiece under different temperature conditions, and different material properties are obtained.

Description

technical field [0001] The invention relates to the technical field of metal processing, in particular to a surface strengthening device and method for temperature-controlled assisted ultrasonic rolling. Background technique [0002] Ultrasonic surface rolling (USR) is a new type of surface modification processing technology. As one of the surface strengthening technologies, ultrasonic surface rolling can effectively reduce the surface roughness of the material and improve the surface microhardness of the material. Residual compressive stress can be generated, and at the same time, the microstructure of the surface layer of the material can be changed, so that the mechanical properties of the material can be effectively improved, and the corrosion performance, friction and wear performance and fatigue performance of the parts can be improved. [0003] USR processing is usually carried out at room temperature. However, a large number of studies and industrial practices have s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/04C21D7/04C21D11/00C21D6/04C22F1/00
CPCC21D1/04C21D7/04C22F1/00C21D11/00C21D6/04Y02P70/10
Inventor 韩静刘志远赵继云张玉敏孟威龙张政
Owner CHINA UNIV OF MINING & TECH
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