五軸工具磨床定位精度量測系統開發

Development of Measurement System of Positioning Accuracy for Five-Axis Tool Grinders

朱星有(Hsing-Yu Chu)

指導教授 ： 李炳寅

共同指導教授 ： 陳進益(Jenn-Yih Chen)

國立虎尾科技大學/工程學院/機械與電腦輔助工程系碩士班/碩士(2013年)

摘要

刀具研磨的尺寸精度直接影響到切削性能、加工的外型以及刀具壽命，所以針對五軸工具磨床各軸做定位精度與同動精度的量測與補償相當重要，但由於市售專用的檢測設備過於昂貴，因此本研究將針對五軸工具磨床開發一套低成本的檢測設備，達到提升刀具研磨精度與品質，進而提升工具磨床的竸爭力。
五軸工具磨床定位精度檢測系統開發的功能為線性軸量測、旋轉軸量測以及雙軸同動量測三大部分，透過自行設計之檢測機構以及量測資料的擷取與分析，可提供各軸向定位精度補償的依據，線性軸可量測X、Y與Z軸，旋轉軸可量測C軸，兩軸同動可量測的組合為X-C與Y-C軸。
經分析結果顯示，本量測系統與RENISHAW系統互相比較在線性軸重覆精度相差0.7μm，旋轉軸重覆精度相差1.188角秒，故本研究所開發的量測系統其準確度是可信的。將線性軸定位精度補償在±2μm內，旋轉軸定位精度補償在±0.006度內，其球型端銑刀之球頭半徑的尺寸精度標準差由0.0047提升到0.0024。另一方面兩軸同動量測螺旋角的尺寸精度標準差由0.0862提升至0.041，故本研究實驗知道機台補償前後對於刀具尺寸精度相當重要。

關鍵字

工具磨床 ； 線性軸 ； 旋轉軸 ； 誤差補償

並列摘要

The tool accuracy is also a critical issue for determining the geometrical profiles, cutting performance, and tool life. It is important of positioning accuracy and synchronous accuracy measurement for five axis tool grinder various axes. But the market special-purpose measurement system is too expensive. Therefore, this research of the development is a low costs measurement system of five axis tool grinder each axis. It can be promoted that the performance of tool grinder and the precision and quality.
The developed of measurement system of Accuracy can be utilized for the inspection of linear axis and rotary axis and the simultaneous inspection of dual axes. The major components include the self-developed mechanical fixtures, the data acquisition system and HMI formation etc. The measurement for compensation for the axial positioning accuracy can be provides. The measurement system can measure the linear X, Y and Z axes, rotary C axis and X-C, Y-C of inspection with dual axes.
The results show that the repeatability will be differenced to 0.7μm and 1.188〞 for RENISHAW system comparison linear and rotary axis measurement system.
The positioning accuracy compensation in ±2μm and ±0.006 degree of linear and rotary axis. And the ball tool of radius precision standard deviation will be 0.0047 improved to 0.0024. On the other the gauging angle of simultaneous inspection of dual axes precision standard deviation will be 0.0826 improved to 0.0041. The developed of measurement system for fabrication inspection and compensation of linear and rotary axes in a five-axis tool grinder.

並列關鍵字

Tool grinder ； linear axes ； rotary axes ； error compensation

參考文獻

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