{"id":4518,"date":"2021-06-20T11:52:56","date_gmt":"2021-06-20T03:52:56","guid":{"rendered":"https:\/\/people.utm.my\/shamsul\/?page_id=4518"},"modified":"2021-06-20T11:52:59","modified_gmt":"2021-06-20T03:52:59","slug":"calculating-overall-equipment-effectiveness-oee","status":"publish","type":"page","link":"https:\/\/people.utm.my\/shamsul\/calculating-overall-equipment-effectiveness-oee\/","title":{"rendered":"Calculating Overall Equipment Effectiveness (OEE)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">A score of 100% is perfect production, a score of 85% is world class for manufacturers, a score of 60% is fairly typical, and a score of 40% is not uncommon for manufacturers that don\u2019t practice lean techniques (TPM &#8211; Total Productive Maintenance).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Calculating OEE will help your company identify where to improve quality, where to maximize your existing resources and reduce waste\u2014saving you money in the long run.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Availability<\/em> considers <strong>Down Time Loss.<\/strong><br><em>A<\/em>= Operating Time \/ Planned Production Time<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Example:<\/em> A conveyor system is scheduled to run for two 8-hour (960 minute) shifts, with a 30-minute break per 8 hours.<br>Operating time = 900 min scheduled &#8211; 90 min unscheduled downtime = 810 minutes<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Availability = Operating time \/ Planned Production Time<\/strong><br>Availability 810 minutes \/ 900 = 90%<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Performance<\/em> considers <strong>Speed Loss<\/strong><br><em>P<\/em> = <em>Ideal Cycle Time<\/em> \/ (Operating Time\/Total Pieces)<br><em>Ideal Cycle Time<\/em> is the minimum cycle time that your process can be expected to achieve in optimal circumstances. It is sometimes called <em>Design Cycle Time, Theoretical Cycle Time<\/em> or <em>Nameplate Capacity.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Example:<\/em> A conveyor system is scheduled to run for two 8-hour (960 minute) shifts, with a 30-minute break per 8 hours.<br>Operating time = 900 min scheduled &#8211; 90 min unscheduled downtime = 810 minutes<br>Parts are produced at the Standard Rate of 40 units\/hour or 1.5 minutes per unit<br>The conveyor system produces 525 units during the total day. This is Total Units, not Good Units. Quality is not measured at this point.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Performance = <\/strong>Ideal Cycle Time \/ (Operating Time of Total Pieces)<br>Time to produce parts = 525 * 1.5 minutes\/unit = 787 minutes (Ideal Cycle Time)<br>Performance (Productivity) = 787 \/ 810 = 97%<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Quality<\/em> considers <strong>Quality Loss, <\/strong>and is calculated as:<br><em>Q =<\/em><em>Good Pieces\/ Total Pieces<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Example:<\/em> 525 units are produced. 56 are defective.<br>(525 units produced &#8211; 39 defective units) = 469 units<br>469 good units \/ 525 total units produced = 89%<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>OEE<\/em> considers all three <strong>OEE Factors, <\/strong>and is calculated as:<br><em>OEE =<\/em><em>Availability x Performance x Quality = 0.9 x 0.97 x 0.89 = 0.777 = 77.7%<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>*Calculation formula taken from <\/em><a href=\"http:\/\/www.oee.com\/\" target=\"_blank\" rel=\"noreferrer noopener\"><em>www.oee.com<\/em><\/a><em>. Examples are hypothetical.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A score of 100% is perfect production, a score of 85% is world class for manufacturers, a score of 60% is fairly typical, and a score of 40% is not uncommon for manufacturers that don\u2019t practice lean techniques (TPM &#8211; Total Productive Maintenance). Calculating OEE will help your company identify where to improve quality, where [&hellip;]<\/p>\n","protected":false},"author":368,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4518","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/people.utm.my\/shamsul\/wp-json\/wp\/v2\/pages\/4518","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/people.utm.my\/shamsul\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/people.utm.my\/shamsul\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/people.utm.my\/shamsul\/wp-json\/wp\/v2\/users\/368"}],"replies":[{"embeddable":true,"href":"https:\/\/people.utm.my\/shamsul\/wp-json\/wp\/v2\/comments?post=4518"}],"version-history":[{"count":1,"href":"https:\/\/people.utm.my\/shamsul\/wp-json\/wp\/v2\/pages\/4518\/revisions"}],"predecessor-version":[{"id":4522,"href":"https:\/\/people.utm.my\/shamsul\/wp-json\/wp\/v2\/pages\/4518\/revisions\/4522"}],"wp:attachment":[{"href":"https:\/\/people.utm.my\/shamsul\/wp-json\/wp\/v2\/media?parent=4518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}