Safe Distance Scale For Machine Guarding

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Safe distance scale for machine guarding. Vaillancourt and stover h. This folding guard opening scale is based on table o 10 of osha 29 cfr 1910 217 for mechanical power presses. The minimum safe distance is based on the stopping time of the machine as well as the reaction time of the safeguarding device and the estimated approach speed of the individual towards the hazard. Although not officially adopted by osha the gotcha stick is based on data from a review of machine guarding recommendations by donald r.

This data redefines the dimensions of the human arm for the purposes of machine guarding. Vaillancourt and stover h. Ansi guard opening scales. Although not officially adopted by osha the device is based on data from a review of machine guarding recommendations by donald r.

Snook of the liberty mutual research center for health safety. Though not actual guards location and distance can keep employees safe. Osha compliant guard opening scale measuring device an osha guard opening scale is a valuable tool to use during the design installation and inspection of guards to make sure they comply with osha safety standards. Drawings from the study have been adopted in several current ansi b11 series safety standards for machine tools as well as in the ansi ria r15 06 safety standard for industrial robots and robot systems.

Where i am working this safe distance applies with the machine guarding but if you really wanted to you could technically willfully get within this safe distance by reaching in with. Looking for omron safe distance scale not specified 55aa11. Therefore liberty mutual s machine guarding drawings and their recommended dimensions were used for table o 10 and the safe openings diagram of osha 29 cfr 1910 217 which remain unchanged and are still used today for compliance. Snook of the liberty mutual research center for health safety.

This device can also be used to periodically check the machine s stopping time to ensure that the current safety distance corresponds to the current condition of the machine s stopping ability. A formula is included in ansi standards b11 19 2010 and robotic industries association ria r15 06 1999 r2009 as well as csa z142 10 z432 04. Omron was the inventor of the gotcha stick and the first to introduce it as a safe distance scale. Grainger s got your back.

Our osha guard safety scale can be used to check the openings in barrier guards for osha compliance. The safety distance is then used to establish the location of the safeguarding device in relation to the nearest hazard. This is the distance from your shoulder to the point of contact of live machinery. You can place a machine in an infrequently traveled area or where its dangerous moving parts are not accessible.