A high and low frequency vibration-thermal aging composite stress equalization device based on modal control
A modal control and thermal aging technology, which is applied in the direction of heat treatment equipment, heat treatment process control, process efficiency improvement, etc., can solve the problems of unclear mechanism of stress equalization and less equipment
Active Publication Date: 2020-12-29
BEIHANG UNIV
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Problems solved by technology
The vibration-thermal composite stress homogenization method is a new type of stress homogenization method. This method has good stress homogenization effect, high efficiency, less energy consumption, and is environmentally friendly. However, the mechanism of stress homogenization is still unclear. There are less equipment, so the present invention proposes a high-low frequency vibration-thermal aging composite stress equalization equipment based on modal control
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[0023] See Fig. 1 (a)-(d), the present invention is a kind of high and low frequency vibration-thermal aging composite stress homogenization equipment based on modal control, it is proposed a kind of high and low frequency vibration-thermal aging based on modal control by the present invention Aging composite residual stress equalization equipment, the equipment includes mechanical vibration system, electromagnetic vibration system, thermal aging system and automatic control system. The above equipment can be used for low-frequency vibration stress homogenization, high-frequency stress homogenization, thermal time-effect stress homogenization and vibration-thermal composite time-effect stress homogenization experiments for small samples.
[0024] The structural part of the mechanical vibration system includes a mechanical vibration exciter 15, a mechanical vibration exciter fixer 16, a vibration platform 17, a shock-absorbing support 18, an aging sample 19, a vibration platform...
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The invention discloses high and low frequency vibration-thermal aging combined stress homogenizing equipment based on modal control. The equipment comprises a mechanical vibration system, an electromagnetic vibration system, a thermal aging system and an automatic control system. The working frequency of the mechanical vibration system is 20-150 Hz, and the maximum exciting force is 15000 N; thefrequency of the electromagnetic vibration system is 60-2000 Hz, and the maximum exciting force is 500 N; the highest heating temperature of the thermal aging system is 800 DEG C, and the heating rateis adjustable; and the automatic control system is used for conducting automatic control on the vibration systems and the thermal aging system. The equipment can conduct low frequency vibration stress homogenizing, high frequency vibration stress homogenizing, thermal aging stress homogenizing and vibration-thermal compounding aging stress homogenizing experiments on small-size samples.
Description
technical field [0001] The patent of the present invention relates to a high-low frequency vibration-thermal aging composite stress equalization equipment based on modal control, which includes a mechanical vibration system, an electromagnetic vibration system, a thermal aging system and an automatic control system. The equipment has the functions of low-frequency vibration stress homogenization, high-frequency vibration stress homogenization, thermal time-effect stress homogenization, and vibration-thermal composite stress homogenization. Background technique [0002] With the development of industrial technology, higher requirements are put forward for the performance of parts. Parts are accompanied by the existence of residual stress from blank manufacturing, part processing, heat treatment and even during service. The distribution state and size of residual stress have a great influence on the dimensional stability and mechanical properties of the part. Usually, the low...
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IPC IPC(8): C21D10/00C21D1/00C21D11/00
CPCC21D1/00C21D10/00C21D11/00Y02P10/20
Inventor 张以都高子涵吴琼高瀚君陈曙光宋和川
Owner BEIHANG UNIV