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Category: Safety

Do collaborative robots have/require a different risk assessment than traditional robots? If so, would you please direct me to some websites with examples of collaborative robot-specific risk assessments?

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Is it required to have two means of egress in a single robotic cell?

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Was the requirement that each person entering a robot cell have an enabling device new in the 2012 standard, or was this also in earlier versions?

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Recently I heard the RIA R15.05 standard has been "canceled". What does this mean? Is that merged with other standard?

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We have multiple brands and types of welding robots in the shop that I work at. Each Cell has its own operator. Are there any safety standards or requirements about operators on duty or training of operators?

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How far from a hazard does an opening in barrier guarding larger than 120mm and lower than 1m have to be? My specific example is a rectangular opening in the guarding allowing access from inside the light curtain area to part totes kept outside the cell. It is a robot cell where there is a turntable between the operator and the robots. CAN/CSA-Z434-14 Table DVB.27.4.1 says to refer to DVB.27.2 for openings over 120mm but the tables under DVB.27.2 don't include anything lower than 1m from floor, my opening is at 800mm high for ergo reasons. CSA Z432-04 addresses opening up to 132mm but makes no mention of anything larger. My opening will be approx. 1200mm wide X 400mm tall. You cannot reach into the interior of the cell where the robots are but you can reach into the light curtain area where the operator loads parts onto the turntable. The hazard in question is the rotating turntable. To summarize: I'm located in Ontario, Canada. I have a 1200mmX400mm hole in barrier guarding leading into operator load area at 800mm from floor. There is a gravity conveyor sticking through the hole but you can stick your arm in the hole and worst case scenario, reach the turntable. How far from turntable swing radius must the hole be located? 915mm? 1.5m? More?

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What are different certifications needed for automated robot warehouse handling system? I understand the FCC, CE markings are for selling in the respective market. However would like to know if there are any further certifications that need to be applied to make product compliant for safety, functionality requirements? The product does have a wireless mechanism on it for data.

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In the RIA 15.06-2012, Part 1, Section 5.13, I interpret that "Movement without drive power" is a requirement by the robot manufacturer. Is it a requirement? If it's required by RIA, how can some robot manufacturers only offer it as an optional feature (and at additional cost)?

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We have a large robotics cell with 2 robots on a linear track per side (2) of the product. Currently, the cell's only safety protection are light curtains due to the back and forth movement of heavy material by crane. Are light curtains enough to meet the RIA safety requirement? Once an operator crosses over into the light curtains, the operator must push the reset button on the inside the cell view the surrounding for other operators and then push the reset button for full cell activation. Is that a lot of responsibility for the one operator? Should safety interlocks or hard guarding be installed to ensure safety and build in some level of redundancy? Please advise.

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Can you reach into the robot cell with a tool to perform tasks; specifically clean material from the floor by pulling or pushing the material while the robot is active and within reach of the robot/end effector? Is the cleaning tool, in this case, considered an extention of the robot/end effector?

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During loading new products in the robotic cell we need to not interrupt the production cycle of the robot so this task should be in masked time, otherwise, there well be a common zone for the robot and the operator (loading zone). For the safety of the operator, there will be two movable safety guards one inside the robotic cell from the side oh the robot the other form the side of the operator. These two guards work conversely, the one of the operator's side is opened only if the one of the robot side is closed; the control is performed by the safety unit and safety detectors. Is this measure looks compliant and sufficient according to the 2006/42/EC directive?

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Are there robots that are in production or supplied by a customer that are single channel and not dual channel grandfathered in under the new code? Or do we have to tell a customer that they can't continue to use their robot if we work on the robot program/cell?

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In TR R15.406-2014, clause 8.5.5.2 Horizontal detection field, it describes two scenarios using an ESPE to signal a stop. One instance you need a minimum of 36" , in the other you need a minimum of 48". I'm having a hard time trying to understand the differences in the scenario, could someone please elaborate?

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We have a robotic cell that has multiple openings in the perimeter guarding for material to enter. If an opening is large enough for a person to crawl through on the conveyor, would this be considered “forseeable misuse” and must we guard this with a presence-sensing device? The risk assessment shows severe (death) is possible prior to safeguarding. We are far enough from the hazard zone so that full body entry would be the only means of reaching the hazard (beyond getting hurt by the conveyor itself). Any standard for openings that is specific to dimensions beyond the 5" in the 1999 RIA standard?

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I understand the predominant standard for robotic safety is ANSI/RIA R15.06-2012, but I also hear a lot about functional safety and IEC 61508. How do these fit together?

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I am wanting to re-purpose two Fanuc robots with manufacture years of 2005 and 2006, respectively in a new cell. Due to the age of these robot controllers they are not capable of adding the DCS option. I have no way to limit the robot from hitting or going through the guarding, so is double wall guarding an acceptable countermeasure?

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I know the standard says that you must have a means to open the cell from the inside with or without power. What page does this reference this on? Does it have to be safety rated? Mechanical or electrical? Right now we've discussed using a PB to break power to a magnetic lock, but I've been looking into a wash down rated touch sensor. I could route it to a input to break the locking output or wire to break the power directly going to the magnetic locking gate switch. Looking for any advice!

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In the forum there are 3 answers to the same question: what is the acceptable height from the floor of the robot enclosure? There are 3 answers 5', 6' and 7". I can find no actual refernce to this in the R15.06-2012

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If I have a robot cell, using soft axis limiting software to limit robot's max reach with tool and surrounded by fixed physical guarding, is there still a minimum distance of clearance required between the fixed guarding and the robot tool in all directions of the work cell?

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Does every E-stop and disconnect need a span of control label per section 5.3.6 and 5.3.8.2, or is it only required if it is not obvious?

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