Method for optimizing cutting path of spacer frame type integral structural member

A technology of integral structural parts and structural parts, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problem of less research on cumulative processing deformation, shorten production cycle, control processing deformation, improve processing quality effect

Active Publication Date: 2015-11-18
BEIJING XINGHANG MECHANICAL ELECTRICAL EQUIP
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AI Technical Summary

Benefits of technology

The present technology helps prevent damage during manufacturing processes that involve complex structures such as frames or beams used in aircraft construction. By optimizing how it cut through materials like wood planks with specific shapes, this process reduces distortion while improving productivity.

Problems solved by technology

This patented technical problem addressed in this patents relates to improving the accuracy and reliability of computerized numerically controlled machine tools during material removal processes like metal forming operations (MF). Current techniques involve removing blasts with screw drilling or other forms of mechanical force without considering any changes made over time after they have been formed into finished products. Additionally, existing systems lack sufficient understanding about how individual cutter paths affect the final product's shape when subjected to multiple types of cutting forces simultaneously.

Method used

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  • Method for optimizing cutting path of spacer frame type integral structural member
  • Method for optimizing cutting path of spacer frame type integral structural member
  • Method for optimizing cutting path of spacer frame type integral structural member

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Embodiment Construction

[0039] The method of optimizing cutting path based on dynamic cutting simulation will be described in detail below.

[0040] (1) Dynamic cutting simulation method

[0041] In the process of finite element simulation analysis, in order to dynamically simulate the cutting process of materials and the change of local stiffness of parts in real time, "element life and death technology" is needed. "Element life and death" means that in the area where the workpiece material is about to be removed, the area is divided into grids and the grid units are deleted within a specific time (a certain analysis step). Any rigidity, so that the units to be cut can be removed step by step according to the specified order according to the cutting path. In the process of simulating workpiece material removal, not only the material to be removed should be removed in the form of unit life and death, but also the corresponding cutting force should be applied to the surface of the removed material to si

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Abstract

The invention provides a method for optimizing a cutting path of a spacer frame type integral structural member, belongs to the technical field of design and manufacturing of modern structures, and solves the problem in optimization of the cutting path in a processing process of the spacer frame type integral structural member. The method comprises the following steps of (1) establishing a finite element model for a single spacer frame of the spacer frame type integral structural member, and loading initial internal stress; (2) performing dynamic cutting simulation on the single spacer frame to obtain an optimized cutting path; (3) establishing a finite element model for the spacer frame type integral structural member, and loading initial internal stress; and (4) performing dynamic cutting simulation on the whole spacer frame to obtain an optimal cutting path. According to the method for optimizing the cutting path by adopting dynamic cutting simulation, analysis and prediction can be performed in advance before parts are actually processed, and the cutting path can be optimized, so that a corresponding processing policy is adjusted, processing deformation is effectively controlled, the production cycle of the parts is shortened, and the production cost is reduced.

Description

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Claims

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Application Information

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Owner BEIJING XINGHANG MECHANICAL ELECTRICAL EQUIP
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