{"id":1705,"date":"2020-07-02T13:35:51","date_gmt":"2020-07-02T13:35:51","guid":{"rendered":"http:\/\/localhost:10003\/lexicon-terms\/error-proofing\/"},"modified":"2022-06-14T10:23:08","modified_gmt":"2022-06-14T14:23:08","slug":"error-proofing","status":"publish","type":"glossary","link":"https:\/\/www.lean.org\/lexicon-terms\/error-proofing\/","title":{"rendered":"Error-Proofing"},"content":{"rendered":"\n<p>Methods that help operators avoid mistakes in their work caused by choosing the wrong part, leaving out a part, installing a part backwards, etc. Also called <em>mistake-proofing<\/em>, <em>poka-yoke<\/em> (error-proofing) and <em>baka-yoke<\/em> (fool-proofing).<\/p>\n\n\n\n<p>Common examples of error-proofing include:<\/p>\n\n\n\n<ul><li>Product designs with physical shapes that make it impossible to install parts in any but the correct orientation.<\/li><li>Photocells above parts containers to prevent a product from moving to the next stage if the operator&#8217;s hands have not broken the light to obtain necessary parts.<\/li><li>A more complex parts monitoring system, again using photocells, but with additional logic to make sure the right combination of parts was selected for the specific product being assembled.<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Methods that help operators avoid mistakes in their work caused by choosing the wrong part, leaving out a part, installing a part backwards, etc. Also called mistake-proofing, poka-yoke (error-proofing) and baka-yoke (fool-proofing). Common examples of error-proofing include: Product designs with physical shapes that make it impossible to install parts in any but the correct orientation. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1999,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"12217,5202,11951,4260,3839,4402","_relevanssi_noindex_reason":"","footnotes":""},"glossary-categories":[],"glossary-tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Error-Proofing - Lean Enterprise Institute<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.lean.org\/lexicon-terms\/error-proofing\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Error-Proofing - Lean Enterprise Institute\" \/>\n<meta property=\"og:description\" content=\"Methods that help operators avoid mistakes in their work caused by choosing the wrong part, leaving out a part, installing a part backwards, etc. Also called mistake-proofing, poka-yoke (error-proofing) and baka-yoke (fool-proofing). Common examples of error-proofing include: Product designs with physical shapes that make it impossible to install parts in any but the correct orientation. 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