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Method of accurate location of diamond turning tool in micro-turning process

A precise positioning, diamond technology, applied in metal processing, metal processing equipment, metal processing mechanical parts, etc., can solve the problems of inability to online detection, rely on labor, poor applicability, etc., to save configuration time, simple equipment, fast positioning speed Effect

Inactive Publication Date: 2013-06-26
SUZHOU UNIV OF SCI & TECH
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has high positioning accuracy and replaces the shortcomings of traditional tool positioning technology that is too dependent on manual work, time-consuming, unable to detect online, and poor applicability, so as to ensure the machining accuracy of micro turning

Method used

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  • Method of accurate location of diamond turning tool in micro-turning process

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Embodiment Construction

[0020] Such as figure 1 As shown, the present invention is a method for precise positioning of a diamond turning tool in a micro turning process.

[0021] 1. The positioning accuracy detection test is carried out on a self-made micro-turning platform. The precision positioning platform adopts a granite workbench and aerostatic guide rails. The positioning accuracy of the motion platform is 50nm; the resolution of the CCD is 1392×1040, and a controller based on DSP is used To realize the movement of the platform, the system can realize the closed-loop feedback control of the servo motor.

[0022] 2. Precisely center the diamond turning tool at the initial position, extract the CCD image of the tool, and set it as the original starting point of the coordinate system.

[0023] 3. The linear motor driver controls the longitudinal movement of the turning tool by 1mm, extracts the image of the tool at this position, and calculates the coordinate value of this position in the image ...

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Abstract

The invention discloses a method of accurate location of a diamond turning tool in a micro-turning process, and belongs to the field of micro-manufacture. The method of accurate location of the diamond turning tool in the micro-turning process is characterized by comprising extracting an image of a tool through a high-precision charge coupled device (CCD) measuring technology, calculating a coordinate position of a tool nose in a CCD image system, detecting a three-dimensional locating error of the diamond turning tool, comparing a position, obtained through measurement, of the tool nose with an original position of the tool nose, carrying out error compensation on line by being matched with an accurate locating platform of a tool system, and improving locating accuracy of the tool nose. The method of accurate location of the diamond turning tool in the micro-turning process is a non-contact type detection method which is capable of achieving location accuracy, in a submicron level, of the diamond turning tool, and meanwhile is simple in needed equipment, and convenient to implement.

Description

technical field [0001] The invention relates to a method for precise positioning of a diamond turning tool in the micro turning process, belonging to the field of micro manufacturing. Background technique [0002] In recent years, with the development of aerospace, national defense industry, modern medicine and bioengineering technology, the requirements for the function, structure complexity and reliability of micro-miniature devices are getting higher and higher, so that the feature size in micron to millimeter There is an increasingly urgent demand for precision and tiny parts that use a variety of materials and have certain shape accuracy and surface quality requirements. Micro-turning processing technology has unique advantages in micro-manufacturing technology due to its advantages of multiple material adaptability and precise geometric error control. However, the size of the diamond turning tool used in micro-turning is small, and the wear detection of the tool and th...

Claims

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Application Information

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IPC IPC(8): B23Q15/22
Inventor 曹自洋薛晓红李华殷振郭丽华宋娜谢鸥汪帮富杨建锋
Owner SUZHOU UNIV OF SCI & TECH
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