{"id":1991,"date":"2021-10-29T21:55:22","date_gmt":"2021-10-29T21:55:22","guid":{"rendered":"https:\/\/blog.metu.edu.tr\/eresmech\/?page_id=1991"},"modified":"2025-10-08T12:19:06","modified_gmt":"2025-10-08T12:19:06","slug":"1-2-1","status":"publish","type":"page","link":"https:\/\/blog.metu.edu.tr\/eresmech\/mechanisms\/ch1\/1-2-1\/","title":{"rendered":"1-2-1"},"content":{"rendered":"<div id=\"pl-gb1991-69d7196610e16\"  class=\"panel-layout wp-block-siteorigin-panels-layout-block\" ><div id=\"pg-gb1991-69d7196610e16-0\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-gb1991-69d7196610e16-0-0\"  class=\"panel-grid-cell\" ><div id=\"panel-gb1991-69d7196610e16-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child widgetopts-SO\" data-index=\"0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p><\/p>\n<h1 class=\"has-text-color\"><strong>1.2<\/strong> Some Examples of Mechanisms from Everyday Life<strong>-I:<\/strong><\/h1>\n<p> <\/p>\n<h3><strong><u>Back-Hoe-Loader (H\u0130DROMEK)<\/u><\/strong><\/h3>\n<p> <\/p>\n<p>You can see this machine in many construction sites performing the digging or moving the dirt. The Back-Hoe part (A) is good in digging ditches or holes in the ground. The loader part (D) picks up the rubbage onthe ground and dumps it to a truck.<\/p>\n<p> <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"701\" height=\"227\" class=\"wp-image-94 aligncenter\" src=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/04\/LOADER1.gif\" alt=\"\" \/><\/figure>\n<hr \/>\n<\/div>\n<p> <\/p>\n<h3><span style=\"text-decoration: underline\">Internal Combustion Engines<\/span><\/h3>\n<p><\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><div id=\"pg-gb1991-69d7196610e16-1\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-gb1991-69d7196610e16-1-0\"  class=\"panel-grid-cell\" ><div id=\"panel-gb1991-69d7196610e16-1-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child widgetopts-SO\" data-index=\"1\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p style=\"text-align: center\"><div class=\"su-image-carousel  su-image-carousel-has-spacing su-image-carousel-has-lightbox su-image-carousel-has-outline su-image-carousel-adaptive su-image-carousel-slides-style-default su-image-carousel-controls-style-dark su-image-carousel-align-center\" style=\"max-width:300px\" data-flickity-options='{\"groupCells\":true,\"cellSelector\":\".su-image-carousel-item\",\"adaptiveHeight\":true,\"cellAlign\":\"left\",\"prevNextButtons\":true,\"pageDots\":false,\"autoPlay\":false,\"imagesLoaded\":true,\"contain\":false,\"selectedAttraction\":1,\"friction\":1}' id=\"su_image_carousel_69d7196612532\"><div class=\"su-image-carousel-item\"><div class=\"su-image-carousel-item-content\"><a href=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2023\/03\/Motor2_EN_1.gif\" target=\"_blank\" rel=\"noopener noreferrer\" data-caption=\"\"><img loading=\"lazy\" decoding=\"async\" width=\"298\" height=\"398\" src=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2023\/03\/Motor2_EN_1.gif\" class=\"\" alt=\"\" \/><\/a><\/div><\/div><div class=\"su-image-carousel-item\"><div class=\"su-image-carousel-item-content\"><a href=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2023\/03\/Motor2_EN_2.gif\" target=\"_blank\" rel=\"noopener noreferrer\" data-caption=\"\"><img loading=\"lazy\" decoding=\"async\" width=\"298\" height=\"398\" src=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2023\/03\/Motor2_EN_2.gif\" class=\"\" alt=\"\" \/><\/a><\/div><\/div><\/div><script id=\"su_image_carousel_69d7196612532_script\">if(window.SUImageCarousel){setTimeout(function() {window.SUImageCarousel.initGallery(document.getElementById(\"su_image_carousel_69d7196612532\"))}, 0);}var su_image_carousel_69d7196612532_script=document.getElementById(\"su_image_carousel_69d7196612532_script\");if(su_image_carousel_69d7196612532_script){su_image_carousel_69d7196612532_script.parentNode.removeChild(su_image_carousel_69d7196612532_script);}<\/script><\/p>\n<\/div>\n<\/div><\/div><\/div><div id=\"pgc-gb1991-69d7196610e16-1-1\"  class=\"panel-grid-cell\" ><div id=\"panel-gb1991-69d7196610e16-1-1-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child widgetopts-SO\" data-index=\"2\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p>The internal combustion engine is the prime mover which gave the human kind an unthinkable movability . A big percentage of mechanical engineers throughout the world work on this machine in one form or another. Within the last century, the classical engine with a centric slider-crank arrangement has reached a perfection. Although it has not found a wide acceptance, the Wankel engine is used in applications where the volume and the weight of the engine is quite important.<\/p>\n<p>If you are interested on engines, here is a good site: <a href=\"http:\/\/www.keveney.com\/Engines.html\" target=\"http:\/\/www.keveney.com\/Engines.html\" rel=\"noopener\">http:\/\/www.keveney.com\/Engines.html<\/a><\/p>\n<\/div>\n<\/div><\/div><\/div><div id=\"pgc-gb1991-69d7196610e16-1-2\"  class=\"panel-grid-cell\" ><div id=\"panel-gb1991-69d7196610e16-1-2-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child widgetopts-SO\" data-index=\"3\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p style=\"text-align: center\"><div class=\"su-image-carousel  su-image-carousel-has-spacing su-image-carousel-has-lightbox su-image-carousel-has-outline su-image-carousel-adaptive su-image-carousel-slides-style-default su-image-carousel-controls-style-dark su-image-carousel-align-center\" style=\"max-width:500px\" data-flickity-options='{\"groupCells\":true,\"cellSelector\":\".su-image-carousel-item\",\"adaptiveHeight\":true,\"cellAlign\":\"left\",\"prevNextButtons\":true,\"pageDots\":false,\"autoPlay\":false,\"imagesLoaded\":true,\"contain\":false,\"selectedAttraction\":1,\"friction\":1}' id=\"su_image_carousel_69d7196613102\"><div class=\"su-image-carousel-item\"><div class=\"su-image-carousel-item-content\"><a href=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2022\/09\/wankel4_1.gif\" target=\"_blank\" rel=\"noopener noreferrer\" data-caption=\"\"><img loading=\"lazy\" decoding=\"async\" width=\"550\" height=\"400\" src=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2022\/09\/wankel4_1.gif\" class=\"\" alt=\"\" \/><\/a><\/div><\/div><div class=\"su-image-carousel-item\"><div class=\"su-image-carousel-item-content\"><a href=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2022\/09\/wankel4.gif\" target=\"_blank\" rel=\"noopener noreferrer\" data-caption=\"\"><img loading=\"lazy\" decoding=\"async\" width=\"550\" height=\"400\" src=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2022\/09\/wankel4.gif\" class=\"\" alt=\"\" \/><\/a><\/div><\/div><\/div><script id=\"su_image_carousel_69d7196613102_script\">if(window.SUImageCarousel){setTimeout(function() {window.SUImageCarousel.initGallery(document.getElementById(\"su_image_carousel_69d7196613102\"))}, 0);}var su_image_carousel_69d7196613102_script=document.getElementById(\"su_image_carousel_69d7196613102_script\");if(su_image_carousel_69d7196613102_script){su_image_carousel_69d7196613102_script.parentNode.removeChild(su_image_carousel_69d7196613102_script);}<\/script><\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><div id=\"pg-gb1991-69d7196610e16-2\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-gb1991-69d7196610e16-2-0\"  class=\"panel-grid-cell\" ><div id=\"panel-gb1991-69d7196610e16-2-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child widgetopts-SO\" data-index=\"4\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<hr \/>\n<h3><span style=\"text-decoration: underline\">Intermittent motion drive mechanism for Film Projectors<\/span><\/h3>\n<\/div>\n<\/div><\/div><\/div><\/div><div id=\"pg-gb1991-69d7196610e16-3\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-gb1991-69d7196610e16-3-0\"  class=\"panel-grid-cell\" ><div id=\"panel-gb1991-69d7196610e16-3-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child widgetopts-SO\" data-index=\"5\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p style=\"text-align: center\"><div class=\"su-image-carousel  su-image-carousel-has-spacing su-image-carousel-has-lightbox su-image-carousel-has-outline su-image-carousel-adaptive su-image-carousel-slides-style-default su-image-carousel-controls-style-dark su-image-carousel-align-center\" style=\"max-width:400px\" data-flickity-options='{\"groupCells\":true,\"cellSelector\":\".su-image-carousel-item\",\"adaptiveHeight\":true,\"cellAlign\":\"left\",\"prevNextButtons\":true,\"pageDots\":false,\"autoPlay\":false,\"imagesLoaded\":true,\"contain\":false,\"selectedAttraction\":1,\"friction\":1}' id=\"su_image_carousel_69d7196613d30\"><div class=\"su-image-carousel-item\"><div class=\"su-image-carousel-item-content\"><a href=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/09\/filmdrive.png\" target=\"_blank\" rel=\"noopener noreferrer\" data-caption=\"\"><img loading=\"lazy\" decoding=\"async\" width=\"336\" height=\"584\" src=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/09\/filmdrive.png\" class=\"\" alt=\"\" srcset=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/09\/filmdrive.png 336w, https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/09\/filmdrive-173x300.png 173w, https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/09\/filmdrive-100x174.png 100w, https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/09\/filmdrive-150x261.png 150w, https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/09\/filmdrive-200x348.png 200w, https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/09\/filmdrive-300x521.png 300w\" sizes=\"auto, (max-width: 336px) 100vw, 336px\" \/><\/a><\/div><\/div><div class=\"su-image-carousel-item\"><div class=\"su-image-carousel-item-content\"><a href=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/09\/filmdrive_1.gif\" target=\"_blank\" rel=\"noopener noreferrer\" data-caption=\"\"><img loading=\"lazy\" decoding=\"async\" width=\"336\" height=\"584\" src=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/09\/filmdrive_1.gif\" class=\"\" alt=\"\" \/><\/a><\/div><\/div><\/div><script id=\"su_image_carousel_69d7196613d30_script\">if(window.SUImageCarousel){setTimeout(function() {window.SUImageCarousel.initGallery(document.getElementById(\"su_image_carousel_69d7196613d30\"))}, 0);}var su_image_carousel_69d7196613d30_script=document.getElementById(\"su_image_carousel_69d7196613d30_script\");if(su_image_carousel_69d7196613d30_script){su_image_carousel_69d7196613d30_script.parentNode.removeChild(su_image_carousel_69d7196613d30_script);}<\/script><\/p>\n<\/div>\n<\/div><\/div><\/div><div id=\"pgc-gb1991-69d7196610e16-3-1\"  class=\"panel-grid-cell\" ><div id=\"panel-gb1991-69d7196610e16-3-1-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child widgetopts-SO\" data-index=\"6\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p>In movie projectors the motion of the film must be intermittent, eg. the film slide must stop momentarily in front of the lens and quickly moved for the next slide of the film. An arrangement of a four-bar mechanism shown is suitable for such a usage. Point C which describes a D-like curve will engage with the slots of the film from point g to g&#8217;, and move back to position g while it is disengaged and the film is stationary in front of the lens.<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><div id=\"pg-gb1991-69d7196610e16-4\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-gb1991-69d7196610e16-4-0\"  class=\"panel-grid-cell\" ><div id=\"panel-gb1991-69d7196610e16-4-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child widgetopts-SO\" data-index=\"7\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<hr \/>\n<h3><span style=\"text-decoration: underline\"><u>Rock Crusher<\/u><br \/>\n<\/span><\/h3>\n<\/div>\n<\/div><\/div><\/div><\/div><div id=\"pg-gb1991-69d7196610e16-5\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-gb1991-69d7196610e16-5-0\"  class=\"panel-grid-cell\" ><div id=\"panel-gb1991-69d7196610e16-5-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child widgetopts-SO\" data-index=\"8\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<div class=\"su-image-carousel  su-image-carousel-has-spacing su-image-carousel-has-lightbox su-image-carousel-has-outline su-image-carousel-adaptive su-image-carousel-slides-style-default su-image-carousel-controls-style-dark su-image-carousel-align-center\" style=\"\" data-flickity-options='{\"groupCells\":true,\"cellSelector\":\".su-image-carousel-item\",\"adaptiveHeight\":true,\"cellAlign\":\"left\",\"prevNextButtons\":true,\"pageDots\":false,\"autoPlay\":false,\"imagesLoaded\":true,\"contain\":false,\"selectedAttraction\":1,\"friction\":1}' id=\"su_image_carousel_69d71966149f1\"><div class=\"su-image-carousel-item\"><div class=\"su-image-carousel-item-content\"><a href=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/09\/CHRUSHER_1.gif\" target=\"_blank\" rel=\"noopener noreferrer\" data-caption=\"\"><img loading=\"lazy\" decoding=\"async\" width=\"550\" height=\"400\" src=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/09\/CHRUSHER_1.gif\" class=\"\" alt=\"\" \/><\/a><\/div><\/div><div class=\"su-image-carousel-item\"><div class=\"su-image-carousel-item-content\"><a href=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/09\/CHRUSHER_2.gif\" target=\"_blank\" rel=\"noopener noreferrer\" data-caption=\"\"><img loading=\"lazy\" decoding=\"async\" width=\"550\" height=\"400\" src=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/09\/CHRUSHER_2.gif\" class=\"\" alt=\"\" \/><\/a><\/div><\/div><\/div><script id=\"su_image_carousel_69d71966149f1_script\">if(window.SUImageCarousel){setTimeout(function() {window.SUImageCarousel.initGallery(document.getElementById(\"su_image_carousel_69d71966149f1\"))}, 0);}var su_image_carousel_69d71966149f1_script=document.getElementById(\"su_image_carousel_69d71966149f1_script\");if(su_image_carousel_69d71966149f1_script){su_image_carousel_69d71966149f1_script.parentNode.removeChild(su_image_carousel_69d71966149f1_script);}<\/script>\n<\/div>\n<\/div><\/div><\/div><div id=\"pgc-gb1991-69d7196610e16-5-1\"  class=\"panel-grid-cell\" ><div id=\"panel-gb1991-69d7196610e16-5-1-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child widgetopts-SO\" data-index=\"9\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p>In this type of machinery, the mechanical advantage (the ratio of Foutput\/Finput) must be very high to create forces to chrush the rocks. Mechanisms of very high mechanical advantage are called <b>toggle mechanisms\u00a0<\/b>and this action is known as the\u00a0<b>toggle action<\/b>. A good example of the application of this mechanism is the rock crusher shown . Input force is amplified several times for crushing rocks between the jaws.<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>\n\n\n<p> <a href=\"https:\/\/blog.metu.edu.tr\/eresmech\/mechanisms\/ch1\/1-1\/\" data-type=\"page\" data-id=\"70\"><img loading=\"lazy\" decoding=\"async\" width=\"38\" height=\"38\" class=\"wp-image-16\" style=\"width: 38px\" src=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/04\/back_button.gif\" alt=\"\" \/><\/a><a href=\"https:\/\/blog.metu.edu.tr\/eresmech\/mechanisms\/ch1\/\" data-type=\"page\" data-id=\"52\"><img loading=\"lazy\" decoding=\"async\" width=\"38\" height=\"38\" class=\"wp-image-17\" style=\"width: 38px\" src=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/04\/contents_button.gif\" alt=\"\" \/><\/a><a href=\"https:\/\/blog.metu.edu.tr\/eresmech\/mechanisms\/\" data-type=\"page\" data-id=\"47\"><img loading=\"lazy\" decoding=\"async\" width=\"38\" height=\"38\" class=\"wp-image-18\" style=\"width: 38px\" src=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/04\/home_button.gif\" alt=\"\" \/><\/a><a href=\"https:\/\/blog.metu.edu.tr\/eresmech\/mechanisms\/ch1\/1-2-2\/\" data-type=\"page\" data-id=\"111\"><img loading=\"lazy\" decoding=\"async\" width=\"38\" height=\"38\" class=\"wp-image-20\" style=\"width: 38px\" src=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/04\/next_button.gif\" alt=\"\" \/><\/a><img loading=\"lazy\" decoding=\"async\" width=\"119\" height=\"40\" class=\"wp-image-15\" style=\"width: 119px\" src=\"https:\/\/blog.metu.edu.tr\/eresmech\/files\/2021\/04\/ceres.gif\" alt=\"\" \/> <\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1.2 Some Examples of Mechanisms from Everyday Life-I: Back-Hoe-Loader (H\u0130DROMEK) You can see this machine in many construction sites performing the digging or moving the dirt. The Back-Hoe part (A) is good in digging ditches or holes in the ground. &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"more-link\" href=\"https:\/\/blog.metu.edu.tr\/eresmech\/mechanisms\/ch1\/1-2-1\/\"> <span class=\"screen-reader-text\">1-2-1<\/span> Devam\u0131n\u0131 Oku &raquo;<\/a><\/p>\n","protected":false},"author":7747,"featured_media":0,"parent":1936,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"full-width-page.php","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-1991","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blog.metu.edu.tr\/eresmech\/wp-json\/wp\/v2\/pages\/1991","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.metu.edu.tr\/eresmech\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blog.metu.edu.tr\/eresmech\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blog.metu.edu.tr\/eresmech\/wp-json\/wp\/v2\/users\/7747"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.metu.edu.tr\/eresmech\/wp-json\/wp\/v2\/comments?post=1991"}],"version-history":[{"count":0,"href":"https:\/\/blog.metu.edu.tr\/eresmech\/wp-json\/wp\/v2\/pages\/1991\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/blog.metu.edu.tr\/eresmech\/wp-json\/wp\/v2\/pages\/1936"}],"wp:attachment":[{"href":"https:\/\/blog.metu.edu.tr\/eresmech\/wp-json\/wp\/v2\/media?parent=1991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}