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Category > Business & Finance Posted 09 May 2017 My Price 8.00

A robot performs a loading and unloading operation for a machine tool

A robot performs a loading and unloading operation for a machine tool. The work cycle consists of the following sequence of activities:

The activities arc performed sequentially as listed. Every 30 workparts, the cutting tools in the machine must be changed. This irregular cycle takes 3.0 min to accomplish. The uptime efficiency of the robot is 97%; and the uptime efficiency of the machine tool is 98%, not including interruptions for tool changes. These two efficiencies are assumed not to overlap (i.e, if the robot breaks down, the cell will cease to operate, so the machine tool will not have the opportunity to break down: and vice versa). Downtime results from electrical and mechanical malfunctions of the robot machine tool, and fixture. Determine the hourly production rate, taking into account the lost time due to tool changes and the uptime efficiency.

 

Answers

Alpha Geek
(8)
Status NEW Posted 09 May 2017 04:05 PM My Price 8.00

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Attachments

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