{"id":235,"date":"2023-12-15T10:59:56","date_gmt":"2023-12-15T09:59:56","guid":{"rendered":"https:\/\/stop-defeating.org\/undercover\/?page_id=235"},"modified":"2024-04-11T17:50:47","modified_gmt":"2024-04-11T15:50:47","slug":"design-examples","status":"publish","type":"page","link":"https:\/\/stop-defeating.org\/en\/design-examples\/","title":{"rendered":"Design examples"},"content":{"rendered":"<div class=\"col span_12 has-animation\" data-animation=\"grow-in\" data-delay=\"100\">\n<p class=\"hellblau\">|Practical help|<\/p>\n<h1 class=\"hellblau bottom20 bold\">Design examples<\/h1>\n<\/div><div class=\"clear\"><\/div>\n<div class=\"col span_4 has-animation\" data-animation=\"grow-in\" data-delay=\"100\">\n<div class=\"backoutline shadow\">\n<div align=\"center\">\n<img decoding=\"async\" src=\"..\/wp-content\/uploads\/2024\/04\/DefeatingPrevent2.jpg\" style=\"width:180px;height:auto;\" alt=\"\">\n<\/div>\n<div style=\"height:170px;width:auto;\">\n<h3 class=\"blau3\">Preventing defeating of safeguards<\/h3>\n<p class=\"size09\">The machine is designed such that incentives to defeat its safeguards are reduced to a minimum.<\/p>\n<\/div>\n<div class=\"clearleft\"><\/div>\n<div id=\"accordions-580\" class=\"accordions-580 accordions\" data-accordions={&quot;lazyLoad&quot;:true,&quot;id&quot;:&quot;580&quot;,&quot;event&quot;:&quot;click&quot;,&quot;collapsible&quot;:&quot;true&quot;,&quot;heightStyle&quot;:&quot;content&quot;,&quot;animateStyle&quot;:&quot;swing&quot;,&quot;animateDelay&quot;:1000,&quot;navigation&quot;:true,&quot;active&quot;:999,&quot;expandedOther&quot;:&quot;no&quot;}>\r\n                <div id=\"accordions-lazy-580\" class=\"accordions-lazy\" accordionsId=\"580\">\r\n                    <\/div>\r\n\r\n    <div class=\"items\"  style=\"display:none\" >\r\n    \r\n            <div post_id=\"580\" itemcount=\"0\"  header_id=\"header-17086182200\" id=\"header-17086182200\" style=\"\" class=\"accordions-head head17086182200 \" toggle-text=\"\" main-text=\"Preventing defeating of safeguards\">\r\n                                    <span id=\"accordion-icons-17086182200\" class=\"accordion-icons\">\r\n                        <span class=\"accordion-icon-active accordion-plus\"><i class=\"fas fa-chevron-right\"><\/i><\/span>\r\n                        <span class=\"accordion-icon-inactive accordion-minus\"><i class=\"fas fa-chevron-down\"><\/i><\/span>\r\n                    <\/span>\r\n                    <span id=\"header-text-17086182200\" class=\"accordions-head-title\">Preventing defeating of safeguards<\/span>\r\n                            <\/div>\r\n            <div class=\"accordion-content content17086182200 \">\r\n                <h2 class=\"blau3 bottom30 top20\">Preventing defeating of safeguards<\/h2>\n<ul>\n<li>Avoid hazards through inherently safe design (in accordance with ISO 12100) to make the use of safeguards unnecessary<\/li>\n<li>Determine the required operating modes and provide suitable safety concepts for them (examples: <a href=\"https:\/\/stop-defeating.org\/downloads\/e\/Einrichten-WZM-ENG-2011_03_25.pdf\" target=\"_blank\" rel=\"noopener\"><u class=\"hellblau\">machine tool<\/u><\/a>, <a href=\"https:\/\/www.stop-defeating.org\/downloads\/e\/Prevent_defeating_operation_modes.pdf\" target=\"_blank\" rel=\"noopener\"><u class=\"hellblau\">safeguard on a food\/packaging machine)<\/u><\/a><\/li>\n<li>Ensure that the process is visible (example: <a href=\"https:\/\/www.stop-defeating.org\/downloads\/e\/Prevent_defeating_operation_modes.pdf\" target=\"_blank\" rel=\"noopener\"><u class=\"hellblau\">safeguard on a food\/packaging machine)<\/u><\/a><\/li>\n<li>Design safeguards to be easy and simple to use without obstructing the user unnecessarily (examples: <a href=\"https:\/\/www.stop-defeating.org\/downloads\/e\/Fahrerr\u00fcckhalteeinrichtung-2011_ENG_2011-02-14.pdf\" target=\"_blank\" rel=\"noopener\"><u class=\"hellblau\">restraint system at forklift trucks<\/u><\/a>, <a href=\"https:\/\/www.stop-defeating.org\/downloads\/e\/Walzeneinzug-2011_Apr_18_ENG_2011-04-21.pdf\" target=\"_blank\" rel=\"noopener\"><u class=\"hellblau\">drawing-in point on rollers<\/u><\/a>, <a href=\"https:\/\/www.stop-defeating.org\/downloads\/e\/Hochregallager_2011_Apr_21_ENG_2011-04-21.pdf\" target=\"_blank\" rel=\"noopener\"><u class=\"hellblau\">fault clearance in high-bay storage facilities<\/u><\/a>)<\/li>\n<li>Provide clear concepts for simple and safe troubleshooting<\/li>\n<\/ul>\n            <\/div>\r\n    <\/div>\r\n\r\n\r\n\r\n            <\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"col span_4 has-animation\" data-animation=\"grow-in\" data-delay=\"300\"> <\/p>\n<div class=\"backoutline shadow\">\n<div align=\"center\">\n<img decoding=\"async\" src=\"..\/wp-content\/uploads\/2024\/04\/DefeatingObstruct2.jpg\" style=\"width:180px;height:auto;\">\n<\/div>\n<div style=\"height:170px;width:auto;\">\n<h3 class=\"blau3\">Making defeating of safeguards more difficult<\/h3>\n<p class=\"size09\">If incentives for the defeating of safeguards cannot be prevented by design measures, supplementary measures must be taken to impede defeating.<\/p>\n<\/div>\n<div class=\"clearleft\"><\/div>\n<div id=\"accordions-584\" class=\"accordions-584 accordions\" data-accordions={&quot;lazyLoad&quot;:true,&quot;id&quot;:&quot;584&quot;,&quot;event&quot;:&quot;click&quot;,&quot;collapsible&quot;:&quot;true&quot;,&quot;heightStyle&quot;:&quot;content&quot;,&quot;animateStyle&quot;:&quot;swing&quot;,&quot;animateDelay&quot;:1000,&quot;navigation&quot;:true,&quot;active&quot;:999,&quot;expandedOther&quot;:&quot;no&quot;}>\r\n                <div id=\"accordions-lazy-584\" class=\"accordions-lazy\" accordionsId=\"584\">\r\n                    <\/div>\r\n\r\n    <div class=\"items\"  style=\"display:none\" >\r\n    \r\n            <div post_id=\"584\" itemcount=\"0\"  header_id=\"header-17086183320\" id=\"header-17086183320\" style=\"\" class=\"accordions-head head17086183320 \" toggle-text=\"\" main-text=\"Making defeating of safeguards more difficult\">\r\n                                    <span id=\"accordion-icons-17086183320\" class=\"accordion-icons\">\r\n                        <span class=\"accordion-icon-active accordion-plus\"><i class=\"fas fa-chevron-right\"><\/i><\/span>\r\n                        <span class=\"accordion-icon-inactive accordion-minus\"><i class=\"fas fa-chevron-down\"><\/i><\/span>\r\n                    <\/span>\r\n                    <span id=\"header-text-17086183320\" class=\"accordions-head-title\">Making defeating of safeguards more difficult<\/span>\r\n                            <\/div>\r\n            <div class=\"accordion-content content17086183320 \">\r\n                <h2 class=\"blau3 bottom30 top20\">Making defeating of safeguards more difficult<\/h2>\n<ul>\n<li>Preventing access to the safeguards by placing them out of reach, obstructing or shielding them or placing them in a concealed position<\/li>\n<li>Use of actuators with high coding level to prevent readily available objects being used as substitute actuators for the safeguard<\/li>\n<li>Prevention of disassembly by means of non-detachable fastening methods for the actuator and the actuation system (e.g. welding, bonding, drilling out the fastening screw heads, clutch-head screws or shear-off screws, rivets)<\/li>\n<\/ul>\n            <\/div>\r\n    <\/div>\r\n\r\n\r\n\r\n            <\/div>\n<\/p><\/div>\n<\/div>\n<div class=\"col span_4 col_last has-animation\" data-animation=\"grow-in\" data-delay=\"500\">\n<div class=\"backoutline shadow\">\n<div align=\"center\">\n<img decoding=\"async\" src=\"..\/wp-content\/uploads\/2024\/04\/DefeatingDetect2.jpg\" style=\"width:180px;height:auto;\">\n<\/div>\n<div style=\"height:170px;width:auto;\">\n<h3 class=\"blau3\">Detecting defeating of safeguards<\/h3>\n<p class=\"size09\">Measures must be taken not only to make defeating of safeguards more difficult, but also to enable it to be detected.<\/p>\n<\/div>\n<div class=\"clearleft\"><\/div>\n<div id=\"accordions-587\" class=\"accordions-587 accordions\" data-accordions={&quot;lazyLoad&quot;:true,&quot;id&quot;:&quot;587&quot;,&quot;event&quot;:&quot;click&quot;,&quot;collapsible&quot;:&quot;true&quot;,&quot;heightStyle&quot;:&quot;content&quot;,&quot;animateStyle&quot;:&quot;swing&quot;,&quot;animateDelay&quot;:1000,&quot;navigation&quot;:true,&quot;active&quot;:999,&quot;expandedOther&quot;:&quot;no&quot;}>\r\n                <div id=\"accordions-lazy-587\" class=\"accordions-lazy\" accordionsId=\"587\">\r\n                    <\/div>\r\n\r\n    <div class=\"items\"  style=\"display:none\" >\r\n    \r\n            <div post_id=\"587\" itemcount=\"0\"  header_id=\"header-1702991591383\" id=\"header-1702991591383\" style=\"\" class=\"accordions-head head1702991591383 \" toggle-text=\"\" main-text=\"Detecting defeating of safeguards\">\r\n                                    <span id=\"accordion-icons-1702991591383\" class=\"accordion-icons\">\r\n                        <span class=\"accordion-icon-active accordion-plus\"><i class=\"fas fa-chevron-right\"><\/i><\/span>\r\n                        <span class=\"accordion-icon-inactive accordion-minus\"><i class=\"fas fa-chevron-down\"><\/i><\/span>\r\n                    <\/span>\r\n                    <span id=\"header-text-1702991591383\" class=\"accordions-head-title\">Detecting defeating of safeguards<\/span>\r\n                            <\/div>\r\n            <div class=\"accordion-content content1702991591383 \">\r\n                <h2 class=\"blau3 bottom30 top20\">Detecting defeating of safeguards<\/h2>\n<ul>\n<li>Fixed guards should be fastened such that they do not remain in the safety position when the fasteners are released<\/li>\n<li>Should interchanging of safeguards be necessary (example: <a href=\"https:\/\/stop-defeating.org\/downloads\/e\/Auswechselbare-Schutzeinrichtung-ENG-2011_03_25.pdf\" target=\"_blank\" rel=\"noopener\"><u class=\"hellblau\">infeed protection for different packaging contours<\/u><\/a>): recognition by coding<\/li>\n<li>Where guards must be opened regularly, the control system must monitor whether the position switch is actuated as expected<\/li>\n<li>Logging of all safety-related processes\/states by the machine control system (data logger\/black box)<\/li>\n<li>Forced periodic testing of the function of safeguards by the operator<\/li>\n<li>Implementation of measures that make manipulation impractical, for example::\n<ul>\n<li class=\"circle\">Delayed restarting of the process following detection of a defeated safeguard<\/li>\n<li class=\"circle\">Prevention of a process restart following detection of a defeated safeguard<\/li>\n<li class=\"circle\">Delayed acknowledgement of detected defeating of a safeguard<\/li>\n<\/ul>\n<\/li>\n<li>Use of tamper-proof paint on the screw heads of the interlocking device to enable defeating to be detected easily<\/li>\n<\/ul>\n            <\/div>\r\n    <\/div>\r\n\r\n\r\n\r\n            <\/div>\n<\/p><\/div>\n<\/div><div class=\"clear\"><\/div>\n<div class=\"col span_12 has-animation\" data-animation=\"grow-in\" data-delay=\"500\">\n<div align=\"center\" style=\"margin:70px 0;\">\n<img decoding=\"async\" src=\"..\/wp-content\/uploads\/2023\/12\/Teufel-Logo_transparent.png\" style=\"height:52px;width:auto;background-color:#fff;padding:0 5px;position:absolute;margin-top:-33px;margin-left:-30px;\"><\/p>\n<div style=\"color:#56a2d8;border-bottom-width:0.5px;width:100%;display:block;border-style:solid;\">\n<\/div>\n<\/div>\n<\/div><div class=\"clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"iawp_total_views":114,"footnotes":""},"class_list":["post-235","page","type-page","status-publish"],"yoast_head":"<!-- This site is optimized 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