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The values for approach speeds walking speed and upper limb movement in BS EN ISO are time tested and proven in practical experience.
Eliminate hazardous reaching over A new element of the standard addresses the problem of operatives reaching over light curtains. A good example is a typical hand-fed machine press.
You may find similar items within these categories by selecting from the choices below:. Interlocking devices associated with guards.
BS EN ISO 13855:2010
Foreword Introduction 1 Scope 2 Normative references 3 Terms, definitions, symbols and abbreviated terms 3. At Sick, we have observed this on countless occasions during initial safety inspections. The reach over safety distance Sro is calculated by adding a specially measured constant Cro into the equation: This means, for example, a hazard height of mm, with the upper edge of the light curtain detection zone at mm, cannot be accessed by overreaching see table above.
In simple terms, the standard is intended to ensure accessible hazards with mechanical movement are protected by electro-sensitive protective equipment ESPE. Minimum distance see the following figure K: Considerations for positioning safeguards. Even an indirect approach is considered.
When it is not possible to prevent people from passing over the top of the detection zone in order to approach the hazardous zone, it is necessary to determine the height of the light curtain and the minimum distance S while keeping this issue in mind.
BS EN ISO is an International Standard which establishes the positioning of safeguards with respect to the approach speeds of parts of the human body.
At Sick we believe this to be so important that we offer our customers a stop time calculation service prior to and following the installation of new safety measures. Please activate the cookies of your browser to be able to use all the features of this web site. Further information on cookies is available in our data 133855 statement.
What are EN ISO 13855:2010 stopping distances?
Find Similar Items This product falls into the following categories. Positioning of safeguards with respect to the approach speeds of parts of the human body BS EN ISO is an International Standard which establishes ido positioning of safeguards with respect to the approach speeds of parts of the human body. Search all products by.
A device of this type can detect an approach to the hazard and initiate a stop command that brings the mechanical motion to a safe condition before the operative can reach the hazard. Essentially, as a ready guide, areas of the table marked '0' show where the hazard cannot be accessed by overreaching. These distances are defined in standards such as ISO If it is likely that the operative might stand on a chair isk other readily accessible object, then this should be taken into account when establishing safety distances.
Principles for design and selection. Calculating the correct safety distance to prevent such injury is critical.
EN ISO – Positioning of safeguards - Pilz INT
In the same way as the reaction speed of a car's airbag under crash conditions is critical in limiting harm, so a machine designer must ensure a protective measure can react in time. The standard also describes the calculations to be performed when correctly positioning horizontal light curtains, safety mats and two-hand controls.
However, the precision required for complex safe distance calculations, and the need for accuracy in estimating the safe stop time of the hazardous movement, can be critical to achieving safety compliance. These are the elements that could constitute a 'clear and present danger' to the operator.
The desire to save on wastage, and reduce penalties on piece rate wages, could be dangerous. By taking advantage of these, or by using measurement services, the engineer can gain peace of mind and reduce the risk of an accident.
If the newly calculated result gives S less than or equal to Guidelines for the positioning of safeguards.