英文摘要 |
Focusing on an ergonomic approach involving man-machine interface, this study establishes some guidelines on designing hand tools to decrease the risk of hand injuries. The hand tools investigated herein are common nonpowered tools to perform mechanical functions and specialized hand devices adapted for a particular trade purpose. The research methods adopted are documents analysis and field study. Principles, standards, and recommendations relavant to hand tools are collected and reviewed from a variety of literatures. Based on these data, design guidelines are drafted; some examples of 'poor' design are applied towards these guidelines. These examples are selected from literature reviews, personal interviews and a questionnaire survey with professional users. Trial of the guidelines drafted employs a walk-through/scenario analysis to examine hazardous risks and interfacial parameters involved in the tools' operation. The final design guidelines are categorized and itemized. Their contents include the range of parameters values and a summary of underlying principles. In addition to texts, the guidelines are graphically illustrated as much as possible. Redesign recommendations for some poorly designed tools are also proposed. |