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Prediction method of workpiece surface form based on side milling machining

A technology of surface topography and workpiece surface, which is applied to metal processing machinery parts, metal processing equipment, milling machine equipment, etc., can solve problems such as low efficiency and complex calculation, so as to improve work efficiency, high reliability, and ensure accuracy Effect

Active Publication Date: 2018-06-08
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology

This method has a wide range of applications, but the calculation is very complicated and the efficiency is very low

Method used

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  • Prediction method of workpiece surface form based on side milling machining
  • Prediction method of workpiece surface form based on side milling machining
  • Prediction method of workpiece surface form based on side milling machining

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Embodiment Construction

[0043] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0044] This embodiment provides a method for predicting the surface topography of workpieces based on side milling, see the attached figure 1 and Figure 4 , the specific steps are as follows:

[0045] The first step is to carry out side milling on the workpiece through the tool, and measure the surface topography data of the workpiece during real-time processing through the contact profiler, see the attached Figure 5 ;

[0046] The second step is to establish the simulation model of the side milling of the workpiece, including: workpiece model, tool model, control module, motion module and input and output module;

[0047] The workpiece model is obtained by simulating the workpiece in the first step; the workpiece model is located in the workpiece coordinate system, and the workpiece coordinate system is used to locate the position of the workpiece mo...

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Abstract

The invention discloses a prediction method of a workpiece surface form based on side milling machining, and belongs to the technical field of machine manufacturing simulation. The prediction method comprises the steps of comparing measured surface form data of a workpiece in the real-time machining processwith surface form data of a workpiece model and obtaining difference value data of the surface formdata of the workpiece and the surface form data of theworkpiece model as experimental random surface form data; according to a probability statistics method, a Pearson distributing cluster anda random number, processing the experimental randomsurface form data to obtain a surface form prediction random model; according to the surface form prediction random model of the workpiece model, changing machining parameters in a simulation model to obtain surface form data, corresponding to the machining parameters, of the workpiece in actual side milling machining, so that the surface form data of the workpiece is predicted. By means of the method, the advantages of experiment and a statistics method are integrated, the limit on the experiment is gotten rid of, operation is also simplified, and compared with an existing prediction method, the efficiency and the prediction precision are improved.

Description

technical field [0001] The invention belongs to the technical field of mechanical manufacturing simulation, and in particular relates to a method for predicting the surface topography of a workpiece based on side milling. Background technique [0002] The surface topography of the workpiece is an important index to measure the surface quality of the processed workpiece, and it also has an important impact on the mechanical properties of the workpiece. The surface topography of the processed workpiece refers to the micro-geometric forms of various shapes and sizes remaining on the surface of the workpiece during the processing process. Tool wear, eccentricity, various deformation errors and material properties during the processing process will affect the parts. surface topography. Therefore, it is of great significance to analyze the surface topography of the processed workpiece, deeply analyze the mechanism of surface topography in the milling process, and establish a surf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q17/20B23C3/00
CPCB23C3/00B23Q17/20
Inventor 刘志兵赵轲赵文祥王西彬籍永建黄涛张路陈掣陈晖王康佳
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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