Main Frequency Overlap Vibration Aging Treatment Method for Machine Tool Welding Bed
A technology of aging treatment and vibration aging, which is applied in the field of main frequency stacking vibration aging treatment of machine tool welding bed, can solve problems such as improper setting of vibration aging parameters, unsatisfactory residual stress elimination effect, etc., to solve data archiving problems and save power Consumption, to avoid the effect of the process
Active Publication Date: 2020-11-06
ZHENGZHOU RES INST OF MECHANICAL ENG CO LTD
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Problems solved by technology
In the application of vibration aging, the effect of residual stress relief is often unsatisfactory. The reason is that the improper formulation of vibration aging parameters is the main reason.
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[0021] The embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the scope of protection of the present invention is not limited to the following Described embodiment.
[0022] Such as Figure 1-5 As shown, the main frequency stacking vibration aging treatment method for machine tool welding bed according to the present invention, establishes the welding bed vibration aging process database, and forms aging treatment parameters, aging quality, residual stress size, welding bed structure size The production process database record table of parameters is used to construct an expert database; then, based on the vibration aging process parameters of the expert database, the main frequency stacking vibration aging treatment is performed...
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The invention discloses a dominant frequency vibration superposition aging treatment method for a welding lathe bed of a machine tool. According to the method, a vibration aging technology database ofthe welding lathe bed is set up, production process database record charts of aging processing parameters, aging quality, size of residual stress and structural size parameters of the welding lathe bed are formed, and an expert database is constructed; and based on the vibration aging technology parameters of the expert database, dominant frequency vibration aging treatment is carried out on thewelding lathe bed. The method has the advantages that a vibration site frequency sweeping test does not need to be carried out on the welding lathe bed, a system can generate dominant frequency and vibration duration according to the basic feature of a workpiece and the aging treatment basic technology; dynamic strain fitting evaluating static stress of the aging workpiece is obtained online in real time, the vibration frequency is corrected dynamically according to the target of the aging treatment technology, and the one-time success rate of removing residual stress during vibration aging isincreased.
Description
technical field [0001] The invention relates to a method for aging treatment of internal stress of welded structural parts, in particular to a method for aging treatment of main frequency stacked vibration used in machine tool welding bed. Background technique [0002] Aging treatment is one of the key links to reduce the internal stress of welded structural parts of machine tools and improve the accuracy of machine tools. For the machine tool welding bed with high precision retention, research and formulate high-quality, energy-saving, environmentally friendly, safe and reliable thermal aging technology, main frequency vibration aging technology and a combination of various aging technologies, which will help reduce the residual stress of the welding bed and improve the precision maintenance. Sex is necessary. For example, after the welding of the bed is completed, vibration aging is performed first to eliminate high stress peaks, make the stress distribution in the weldin...
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IPC IPC(8): C21D10/00
Inventor 卫东海李克锐吴现龙
Owner ZHENGZHOU RES INST OF MECHANICAL ENG CO LTD