RIA - Upgrading older large format robot
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  1. #1
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    Default RIA - Upgrading older large format robot

    We have a customer with some largish robots with capacity of 8000 lbs and operating radius of about 9 feet. They were made by a company that is no longer in business and are in need of new controls.

    They considered buying new, but no one makes a standard robot of this size and capacity so we are looking at retrofitting.

    What kind of RIA considerations are their with respect to safety? We have 4 TUV certified safety engineers on staff and are well acquainted with the HIRA process for machinery, but much less acquainted with the RIA standards for robots.

    Is their a good application centric document that might help us ramp to speed quickly?

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    Might start with the standards Motion....if you haven't already.
    Safety Resources | RIA - Robotics Online

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    We have the RIA 2012 Standards and our safety team is reviewing - since the controller is servo hydraulic, we are investigating what it will take to achieve PLE or PLD level safety using checked cylinder ports and blocking valves. Also, combining the servo hydraulic actuators with a dual channel safety system is somewhat new to us as well . . . so lots to learn on this project.

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    Quote Originally Posted by motion guru View Post
    We have the RIA 2012 Standards and our safety team is reviewing - since the controller is servo hydraulic, we are investigating what it will take to achieve PLE or PLD level safety using checked cylinder ports and blocking valves. Also, combining the servo hydraulic actuators with a dual channel safety system is somewhat new to us as well . . . so lots to learn on this project.
    That combo may be a tough nut too..
    It would probably be better if you could lose the hydraulics as that has it's own set of safety issues. Maybe use the linear actuators like I used on a tail quill on a machine, I forget the name right off, but they use them for drawbridges and canal lock doors.....


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