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Safety Questions

Question Asked:

We have several robotic palletizing cells. Each cell has a variety of case sizes that are being brought into the cell by roller conveyor. Some of our cases are large so the openings through the perimeter fencing are large enough for a person to crawl through if they got onto the in-feed conveyor. According to ANSI/RIA R15.06 - 2012 is there a safety standard that dictates what level of safety we need to have at these in-feed openings?

3 Answers

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Lee Burk - Manager, Training & Standards
Pilz Automation Safety L.P.
l [dot] burk [at] pilzusa.com
(734) 354-0272

Hello Rick, According to R15.06 the safety performance must be Cat. 3, PL d except as determined by a risk assessment. Conveyors carrying materials into or out of a safeguarded space are always an issue for safeguarding. You can apply the requirements of ANSI B11.19 and B20.1, or equivalent, and work out your own solutions, or you can look to the European standard EN 415-7, Safety of packaging machines - Part 7: Group and secondary packaging machines. It provides guidelines for guarding based on aperture size and conveyor height. I hope you find this useful. Best regards,

Roberta Nelson Shea - Global Technical Compliance Officer
Universal Robots A/S
rns [at] universal-robots [dot] com
(631) 610-9664

Please look at R15.06:2012, part 2's ANNEX titled "Safeguarding material entry and exit points"

Eric Esson - National Sales Manager
Dynatect Manufacturing, Inc.
eric [dot] esson [at] dynatect.com
(262) 586-1500

You may want to consider guarding this opening with a programmable and PLe interlocked machine safety door like the VF Door by Dynatect located in New Berlin (Milwaukee) Wisconsin. . I would be available to discuss your application at your convenience.

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