工作機械操作における能動感覚フィードバック : 微細加工作業における切削力の聴覚・力覚フィードバックの効果

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In various manufacturing processes, manual tasks by human operators are lately seen through new eyes by virtue of flexible handling ability to a wide range of object. For this ability, the information acquired through their sense organs during operation is considered to play an important role. Conversely, when the operators acquire little sensory information, or when"Sensory Feedback" does not work well, they cannot fully show their ability. In this research, focusing on minute cutting operation with a manual machine tool, a device which translates machining state detected through engineering sensors into human sensory information has been developed and its effectiveness in improvement of operating efficiency, fatigue and tool failure has been investigated ergonomically. The authors call the sensory feedback by using this device "Active Sensory Feedback." This paper deals with active auditory feedback, active force sensory feedback and combined one. The cutting operations examined are to make a groove on a steel bar with a lathe and to make a small-diameter deep hole on an aluminum block with a milling machine. These are known as difficult and skilled machining operations, because the operators must adjust cutting force delicately so as not to break a cutting tool. So, the cutting force is adopted as the information fed back to the operator through their sensory organs. As the results, active auditory feedback was effective especially for unskilled operators. Active force sensory feedback was also effective, though auditory one was superior to it. But, any active sensory feedback was scarcely effective for very skilled operators, who could make up in the other sense what they lacked in auditory and force senses.
公益社団法人精密工学会の論文
1998-03-05

工作機械操作における能動感覚フィードバック : 微細加工作業における切削力の聴覚・力覚フィードバックの効果

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