RE-based gear failure part feature reconstruction method

A technology of gears and parts, which is applied in the field of gear remanufacturing and reverse engineering, can solve problems such as low reconstruction efficiency and difficult precision, and achieve the effect of solving low precision and improving repair quality

Pending Publication Date: 2021-01-15
SHENYANG POLYTECHNIC UNIV
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  • Abstract
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Benefits of technology

The technical effect of this patented technology is how it can accurately recover damaged or worn out teeth from faulty components by creating models of them through analysis-based techniques instead of just analyzed data alone. This improves manufacturability while maintaining high levels of precision during repairs.

Problems solved by technology

This patented method for rebuilding damaged parts by adding material onto them with high-quality metal plates or other materials can improve their performance over time without requiring expensive repairs due to damage caused during use. However, current methods have limitations such as difficulty accurately determining which portion needs replacement when it becomes worn out again after being used once more.

Method used

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  • RE-based gear failure part feature reconstruction method
  • RE-based gear failure part feature reconstruction method
  • RE-based gear failure part feature reconstruction method

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Embodiment Construction

[0033] The present invention will be described in further detail below in conjunction with the accompanying drawings and examples, but it should be understood that the examples are used to explain the present invention, not to limit the present invention.

[0034] The feature reconstruction of gear failure parts is the basis of remanufacturing and repairing of failed gears. In order to solve the problem of low accuracy in the feature reconstruction of gear failure parts, a RE-based feature reconstruction method for gear failure parts is proposed. In practice, a machine tool The characteristics of the gear failure part are reconstructed as the background, and the model reconstruction accuracy of the method is verified. figure 1 Reconstruct the flow chart for the defect site model of the present invention. like figure 1 As shown, the gear to be repaired is cleaned first; then the point cloud data acquisition and data processing are carried out; the data processing includes point c

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Abstract

The invention relates to a gear failure part feature reconstruction method based on RE and belongs to the technical field of reverse engineering and the field of gear remanufacturing. The method comprises the following steps of 1, carrying out linear cutting treatment on a failure gear to remove a residual stress layer of the failure gear, and coloring the failure gear; 2, scanning surface characteristics of the failure gear to obtain point cloud data; 3, abnormal point removal, noise reduction, packaging, simplification and hole filling are carried out on the point cloud data on the surface of the failure gear; 4, reconstructing the failure gear based on a reverse engineering principle; and 5, analyzing the precision of the reconstruction model according to the adjacent teeth of the defect part. According to the method, a precision problem of failure part model reconstruction in gear remanufacturing at the present stage is solved, an effective method is provided for feature reconstruction of the gear failure part, a problem that the precision of the gear failure part model reconstruction is low is solved, and a foundation is laid for improving the gear remanufacturing and repairing quality.

Description

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Claims

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Application Information

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Owner SHENYANG POLYTECHNIC UNIV
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