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Buying the Logic of Safety

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Rob Spiegel
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Re: "Right Sized" Safety Solutions Affects Cost
Rob Spiegel   2/7/2012 1:23:13 PM
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Excellent point, Kenish. If the systems could be evaluated for risk reduction, false alarm occurrence and other operational performance, that would probably factor as the greatest cost indicator. That evaluation may be a tad difficult, though.

William K.
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Buying the logic of safety
William K.   2/7/2012 9:54:43 PM
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The concept of safety zones and limited area E-Stops would undoubtedly let production run more efficiently, but have you ever heard about an operator on one side of the line hitting an E-Stop when they saw an operator on the other side of the line get in trouble? It sounds a bit like the "It's not MY job" syndrom there. I can see the validity of having area stop buttons but for an emergency, unless the machine designer can predict exactly where and how accidents will happen, having a "MASTER Stop" makes a lot more sense. 

apresher
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Robotic Safety Zones
apresher   2/9/2012 3:35:58 PM
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Robotic safety zones is an interesting technology area where there has been ongoing innovation. Robotic programmable safety systems are providing new technology that may enable reducing the footprint of robotic systems used in packaging applications, for example.  With that premium on floor space, this is a potentially key feature.  Plus, by implementing the safety solution within the framework of the robotic controller, these solutions are eliminating the need and cost of external safety devices such as light curtains, limit switches and other safety-related systems.

Jack Rupert, PE
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Re: Buying the logic of safety
Jack Rupert, PE   2/19/2012 4:20:33 PM
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What you say, William, makes a lot of sense.  I would think that zone e-stops would only work if the work zones were obvious - say a particular machine that does not appear to be connected to the rest of the system would have its own stop.

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