Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/1894
標題: 三探針真圓度量測軸誤差分離技術之研究
Three-probes roundness measurement and spindle error separation
作者: 黃梓輔
Huang, Tz-Fu
關鍵字: roundness
真圓度
three-probe method
spindle error separation
三探針法
軸誤差分離
出版社: 機械工程學系所
引用: [1] 范光照、張郭益, 精密量測. 高立圖書有限公司. 2004;219-231. [2] Wei Gao, Kiyono S, Nomura S. A new multiprobe method of roundness measurements. Precision Engineering. 1996;19;37-45 [3] Mitsui K. Development of a new measuring method for spindle rotation accuracy by three-points method. Proceeding of 23rd International MTDR. 1982;115-121. [4] Ozono S. Tne roundness in process measurement by three-point method. J Japan Soc Precision Engineering. 1976;503-504. [5] Donaldson R. A simple method for separating error from test ball roundness error Ann. CIRP;1972; 21. [6] Bryan J B, Clouser R W, Holland E. Spindle accuracy. American Machinist .1967;4. [7] Jay F, Tu Bernd Bossmanns, Sping C, Hung C. Modeling and error analysis for assessing spindle radial error motions. Precision Engineering 21. 1997;90-101. [8] Wei Gao, Kiyono S, Nomura T. Hight-accuracy roundness measurement by a new error separation method. Precision Engineering. 1997;21;123-133. [9] Zhang,G.X.,Wang,R.K. Four-point method of roundness and spindle error measurements. Ann CIRP.1993;42,593-596. [10] Cha’o,Kuang Chen, San-Ching Wu. A method for measuring and separating cylindrical and spindle errors in machine tool rotational parts. Meas.Sci. Technol. 1999;10;76–83. [11] Horikawa, O, Sato K, Osada H, Shimokohbe. A. Roundness and Absolute Radial Motion Accuracy Measured by an Improved Reversal Method. J Japan Soc Prec Eng, JSPE, 1991;57(12);151. [12] Horikawa O, Sato K, Shimokohbe A. An Active Air Journal Bearing. Nanotechnology.1992;3;84. [13] Horikawa O, Maruyama N, Shimada M.. A low cost, high accuracy roundness measuring system. Precision Engineering.2001;25;200-205. [14] ISO/TS 12181-1 and 12181-2. Geometrical product specifications (GPS) – Roundness; Part 1: Terms, definitions and parameters of roundness; Part 2: Specification operators. International Standards Organisation, Geneva, 2003.
摘要: 本篇論文是探討真圓度量測時,會造成誤差產生的幾種原因,有探針擺設誤差和軸誤差等,探針擺設誤差又可分為擺設位置的偏差和未對準工件圓心,軸誤差又可分為傾角誤差和平面軸誤差。本實驗利用兩個軸承對旋轉軸兩端徑向拘束,以降低轉軸傾角產生,因此僅討論探針擺設誤差和平面軸誤差,並建立量測誤差的數學模式,分析探針圓球半徑與待測圓半徑對量測誤差造成的影響,模擬其量測值的結果。 實驗的部分架設一台真圓度量測系統,使用三探針法分離平面軸誤差,並試圖找出三探針間較佳的間隔角度擺設,以降低非理想轉換函數造成之量測影響。最後實際量測一軸承工件來分離軸誤差得到輪廓數據,待濾波後利用最小平方圓求真圓度,並重覆量測數次,驗證真圓度量測儀的重覆性。
This research set up a roundness measurement machine and discuss error analysis. They have some factors to influence measurement results which are probe mounting error and spindle error. Probe mounting error includes both probe deviation and center misalignment. Spindle error can be divide into two parts. Those are tilt of the spindle and two-dimensional spindle motion. In this experiment, the tilt of spindle is reduced by constraining the spindle at its two extremities with bearings. We consider the probe mounting error and the two-dimensional spindle motion only in our approach. We present an exact geometric model while consider the radius of the probe. Finally, the simulate results are demonstrated. In the experiment, we set up a roundness measurement system and used the three-probe method to separate the two-dimensional spindle radial error motion. We arrange probes properly to reduce imperfection of the transfer function. Finally we compute the least squares roundness of a cylindrical workpiece. We measure the roundness of this cylindrical workpiece five times to verify the repeatability of our system.
URI: http://hdl.handle.net/11455/1894
其他識別: U0005-2308200716334000
文章連結: http://www.airitilibrary.com/Publication/alDetailedMesh1?DocID=U0005-2308200716334000
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