頁籤選單縮合
題 名 | 高精度圓柱柄鑽頭量測研究=Researches of High Precision Measurement on the Drill with a Cylindrical Shank |
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作 者 | 陳維方; 陳維亞; 張百齊; | 書刊名 | 遠東學報 |
卷 期 | 29:4 2012.12[民101.12] |
頁 次 | 頁387-394 |
分類號 | 446.8945 |
關鍵詞 | 最小外接圓柱; 最小外接雙曲面; Minimum circumscribed cylinder; Minimum circumscribed hyperboloid; |
語 文 | 中文(Chinese) |
中文摘要 | 鑽頭在切削刀具使用率上佔很大的比率,而鑽頭的夾頭又分為圓柱軸及錐形軸,夾頭的形狀不同,量測方式也不一樣。 鑽頭除夾頭分為圓柱軸及錐形軸外,柄為圓柱形狀並具有溝槽,下方為雙曲面形狀,故鑽頭為一多曲面的組合。鑽頭實際加工時須旋轉才能加工,故量測時需考慮實際加工的情況,也就是須考慮鑽頭夾頭的種類及形狀,如此量測才能符合實際情況。 本文考慮圓柱夾頭鑽頭,當鑽頭夾頭為圓柱軸時可採用最小外接圓柱,求得基準的軸線。首先將大量的立體量測點映射至兩個平面,可將大量的資料及計算簡單化提高效率,並利用最小二乘法及旋轉軸線法,再以此基準軸線為基礎,將大量立體量測點映射至特殊的平面,以節省大量運算時間,並利用最小外接圓柱及最小外接雙曲面,求出鑽頭其他部位的精密外緣形狀特性。 |
英文摘要 | The drill occupies large ratios of cutting tools. Generally the drill is mass-produced, the most common type being the twist drill with either a taper or a cylindrical shank. Taper or cylindrical shanks of a drill are different method of measurement. The drill divides into taper or cylindrical shank, stem of the drill is cylindrical with helical grooves and head of the drill is hyperboloid. Therefore, research into the quality evaluation of drills is valuable in the area of quality evaluation of components consisting of multiple surfaces. In considering the contour of the two drill types it is obvious that the profile of the cutting parts with a helical groove are identical and that the difference is only whether the shank is tapered or cone shaped. This paper will research for the drill with a cylindrical shank. The datum axis is taken as the axis of the minimum circumscribed cylinder. First, great deals of three-dimensional measurement points are mapping to two planes, data and counting simplify and raise efficient. The equation of the axis may be estimated from the measurement results by using the least squares method and the method of the revolving axis. The quality of components consisting of multiple surfaces must be evaluated under actual working conditions and must include all of the surface shapes. Use the minimum circumscribed cylinder and the minimum circumscribed univalent hyperboloid based upon the datum axis, the other region of drill will get the precise contour and quality. |
本系統中英文摘要資訊取自各篇刊載內容。