The study described herein entailed measuring approach speed of the hands under simulated press machining conditions using two types of safety devices. A total of eight subjects were used in the experiment: four males in their twenties and four males in their fifties. Hand speed was faster for the photoelectric safety device (PSDI) than for safety devices activated using both hands (TWO) for both subject groups, in excess of 1.6 m/sec. The study showed that safety devices capable of automatic detection such as PSDI safety device more effectively ensure safety and work efficiency than the TWO type.
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References
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JMSIA, “Measures for Ensuring Safety when Operating Metal Press Machines”, (JMSIA: Japan Metal Stamping Industrial Association), 1998
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JMSIA, “Achieving Enhanced Productivity and Safety”, (JMSIA: Japan Metal Stamping Industrial Association), February 2001
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FukayaKiyoshi, “Safe Distance for Presses”, The Research Institute of Industrial Safety, RTTS-JN-76–5, 1977
