A feeder-selector device at one of the stations of an automated assembly machine has a feed rate of 25 parts per minute and provides a throughput of one part in four. The ideal cycle time of the assembly machine is 10 sec. The low level sensor on the feed track is set at 10 parts, and the high level sensor is set at 20 parts. How long will it take for the supply of parts to be depleted from the high level sensor to the low level sensor once the feeder-selector device is turned off? How long will it take for the parts to be resupplied from the low level sensor to the high level sensor, on average, after the feeder-selector device is turned on? What proportion of the time that the assembly machine is operating will the feeder-selector device be turned on? Turned off?
A feeder-selector device at one of the stations of an automated assembly machine has a feed rate of 25 parts per minute and provides a throughput of one part in four. The ideal cycle time of the assembly machine is 10 sec. The low level sensor on the feed track is set at 10 parts, and the high level sensor is set at 20 parts. How long will it take for the supply of parts to be depleted from the high level sensor to the low level sensor once the feeder-selector device is turned off? How long will it take for the parts to be resupplied from the low level sensor to the high level sensor, on average, after the feeder-selector device is turned on? What proportion of the time that the assembly machine is operating will the feeder-selector device be turned on? Turned off?
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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A feeder-selector device at one of the stations of an automated assembly machine has a feed rate of 25 parts per minute and provides a throughput of one part in four. The ideal cycle time of the assembly machine is 10 sec. The low level sensor on the feed track is set at 10 parts, and the high level sensor is set at 20 parts.
- How long will it take for the supply of parts to be depleted from the high level sensor to the low level sensor once the feeder-selector device is turned off?
- How long will it take for the parts to be resupplied from the low level sensor to the high level sensor, on average, after the feeder-selector device is turned on?
- What proportion of the time that the assembly machine is operating will the feeder-selector device be turned on? Turned off?
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