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| 研究生： |
錡信堯 CHI HSIN YAO |
|---|---|
| 論文名稱： |
手工具設計開發與人因評估-以螺絲起子為例 |
| 指導教授： | 王茂駿 |
| 口試委員: | |
| 學位類別： |
碩士 Master |
| 系所名稱： |
工學院 - 工業工程與工程管理學系 Department of Industrial Engineering and Engineering Management |
| 論文出版年： | 2004 |
| 畢業學年度： | 92 |
| 語文別： | 中文 |
| 論文頁數： | 137 |
| 中文關鍵詞： | 螺絲起子設計 、肌電圖 、自主最大施力 、人因工程 |
| 外文關鍵詞： | screwdriver, EMG, maximun volitional torque exertion, ergonomics |
| 相關次數： | 點閱：2 下載：0 |
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本研究以螺絲起子做為研究重點，整合人因工程原則與產品設計的觀念進行新型握把之開發、設計與評估，期能增加螺絲起子握持時的舒適性、增加螺絲起子使用時的效率及功能。
本研究共分為三次實驗，實驗一分析握把造型(八角形、銳角六角形、圓角六角形、槍型、圓角三角形)與手套(棉質手套、防靜電手套、赤手)的影響，結果顯示三角形造型握把可產生最大扭力，六角形造型握把的鎖附螺絲時間最短、二頭肌肌肉活動度最低、主觀整體疲勞評比最低，防靜電手套與赤手狀態的扭力最大並且鎖附螺絲時間最短；實驗二比較握把直徑(30 mm、34 mm、38 mm)與作業面(垂直、水平)的影響，結果顯示直徑越大扭力越大，但直徑越小鎖附螺絲時間則越短，且肱橈肌肌肉活動度越低。而垂直作業面的扭力大於水平作業面，鎖附螺絲時間則是垂直作業面較短。
本研究根據實驗一與實驗二的結果，重新設計一款新型握把，特徵點直徑比例為0.567：0.958：1：0.738，各間距比例依序為0.421：1：0.662：0.445：0.421。造型由上而下依序為六角形、圓形、六角形、三角形、六角形、圓形。握把表面織地構造為橡膠材質，整體長度為110mm。
實驗三針對新型握把與其他握把進行比較，評估新型握把是否較佳。結果顯示新型握把可產生較大的扭力、較短的鎖附螺絲時間、主觀整體疲勞評比較低，因此新型握把的綜合評比確實優於其他握把，並能增加螺絲起子使用時的握持舒適性、效率及功能。
This study focused on screwdriver design and evaluations. By integrating ergonomics principles and concepts of product design, a new pattern of screwdriver handle was developed and evaluated. It considers not only comfort of use but also efficiency and functionality.
This study consists of three experiments. Experiment 1 evaluates the effects of handle shape (octagon, acute angle hexagon, round angle hexagon, pistol or round triangle) and gloves (cotton glove, anti-static glove or barehanded). The results revealed that screwdrivers with triangle shaped handle could help subjects produce the maximum torque. Besides, using screwdrivers with hexagon shaped handle spent the least time, generated the minimum biceps muscle activity, and bad the least subjective fatigue rating. Moreover, wearing an anti-static glove or being barehanded can produced the maximum torque and spent the least time as well. Experiment 2 evaluates the handle diameter of screwdriver (30 mm, 34 mm or 38 mm) and operation plan (vertical or horizontal). The results showed that the torque increased with the increase of the radius, the operation time and the brachioradialis muscle activity also increased with the increase of the radius. In addition, subjects produced greater torque and spent less time when working on the vertical operation plan.
Based on the findings of experiment 1 and 2, a new pattern of handle was thus developed. The ratio of diameters of feature points was 0.567：0.958：1：0.738, with the ratio of distances between two neighboring feature points of 0.421：1：0.662：0.445：0.421. The shape is the combination of hexagon, circular, hexagon, triangle, hexagon and circular, shape from top down. The handle is rubber-textured and with the total length of 110mm.
In experiment 3, we compared the new pattern of screwdriver handle with the others. The results indicated that the new one had the advantage in torque performance, operation time and subjective fatigue rating. The new prototype screwdriver was perceived to be better in usability and functionality.
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