A Method for Removing Vibration Marks on the Surface of Thin-walled Complicated Parts

A technology for complex parts and thin walls, applied in the field of removing surface vibration lines of complex parts, it can solve the problems that cutting parameters cannot be changed flexibly in the machine tool structure, and there is no better solution for surface vibration lines, so as to avoid fatigue fracture of parts and reduce precision. The effect of processing links, improving yield and service life

Active Publication Date: 2019-09-27
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

During the cutting process of large and complex parts, the cutting parameters and machine structure are often limited by the size of the part structure and cannot be changed flexibly, and there is still no good solution for the control of surface chattering

Method used

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  • A Method for Removing Vibration Marks on the Surface of Thin-walled Complicated Parts
  • A Method for Removing Vibration Marks on the Surface of Thin-walled Complicated Parts
  • A Method for Removing Vibration Marks on the Surface of Thin-walled Complicated Parts

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[0040] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0041] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0042] As introduced in the background technology, there are deficiencies in the prior art. In order to solve th...

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Abstract

The invention discloses a method for removing surface vibration marks of complex parts, which solves the problem in the prior art that local surface vibration marks appear on the complex parts. The method has the beneficial effects of improving the surface quality of the complex parts and avoiding stress concentration. According to the scheme, the method for removing surface vibration marks of complex parts comprises the following steps: 1) establishing a three-dimensional model of complex parts; 2) extracting surface vibration mark positions, surface vibration mark outline parameters and processing parameters of the complex parts, and determining a quantitative relation between the processing parameters and the surface vibration mark outline parameters; 3) determining appropriate micro machining parameters and micro-cutting tools according to the quantitative relation between the processing parameters and the surface vibration mark outline parameters; and 4) writing a numerical control machining program for a numerical control machining center according to the micro machining parameters, and machining the surface vibration marks of the complex parts by using the numerical controlmachining center.

Description

technical field [0001] The invention relates to the field of broken rock mass, in particular to a method for removing vibration marks on the surface of complex parts. Background technique [0002] Cutting is the most widely used forming method in the field of machinery manufacturing. With the continuous improvement of cutting technology, the cutting process of difficult-to-machine materials such as titanium alloys and nickel-based alloys and precious materials and the requirements for the complexity of parts are gradually increasing. However, cutting processing still has certain limitations. For complex parts and difficult-to-machine materials, when the tool moves along a given tool path, the relationship between the tool and the part (cutting angle, feed rate, cutting speed and depth ) continues to change. In difficult-to-machine parts, such as slender shafts and thin-walled structures, it is easy to produce obvious surface vibration lines due to the coupling of cutting vib...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B1/00B23B35/00B23C3/00
Inventor 刘战强侯鑫王兵宋清华
Owner SHANDONG UNIV
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