{"id":157028,"date":"2023-09-04T13:15:50","date_gmt":"2023-09-04T07:45:50","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=157028"},"modified":"2023-09-04T13:15:52","modified_gmt":"2023-09-04T07:45:52","slug":"a-through-hole-is-drilled-in-an-aluminum-alloy-plate-of-15-mm-thickness-with-a-drill-bit-of-diameter-10-mm","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/a-through-hole-is-drilled-in-an-aluminum-alloy-plate-of-15-mm-thickness-with-a-drill-bit-of-diameter-10-mm\/","title":{"rendered":"A through hole is drilled in an aluminum alloy plate of 15 mm thickness with a drill bit of diameter 10 mm"},"content":{"rendered":"\n<p>Q. A through hole is drilled in an aluminum alloy plate of 15 mm thickness with a drill bit of diameter 10 mm, at a feed of 0.25 mm\/rev and a spindle speed of 1200 rpm. If the specific energy required for cutting this material is 0.7 N\u00b7m\/mm<sup>3<\/sup>, the power required for drilling is________W (round off to two decimal places).<\/p>\n\n\n\n<p>Ans: 274.89<\/p>\n\n\n\n<p>Sol:<\/p>\n\n\n\n<p>Power required specific energy consumption = MRR<br>Specific energy consumption<br>=0.7Nm\/mm<sup>2<\/sup><\/p>\n\n\n\n<p>=0.7J\/mm<sup>2<\/sup><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"229\" height=\"70\" src=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/09\/Screenshot-743.png\" alt=\"\" class=\"wp-image-157037\"\/><\/figure>\n\n\n\n<p>=23561.94mm<sup>3<\/sup>\/min<\/p>\n\n\n\n<p>=392.7mm<sup>3<\/sup>\/s<\/p>\n\n\n\n<p>\u2234Power,P=0.7J\/mm<sup>3<\/sup>\u00d7392.7mm<sup>3<\/sup>\/s<\/p>\n\n\n\n<p>=274.89J\/s=274.89W<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Q. A through hole is drilled in an aluminum alloy plate of 15 mm thickness with a drill bit of diameter 10 mm, at a feed of 0.25 mm\/rev and a spindle speed of 1200 rpm. If the specific energy required for cutting this material is 0.7 N\u00b7m\/mm3, the power required for drilling is________W (round [&hellip;]<\/p>\n","protected":false},"author":419,"featured_media":157041,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5141],"tags":[5140],"class_list":["post-157028","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gate","tag-gate-questions"],"_links":{"self":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/157028","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/users\/419"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/comments?post=157028"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/157028\/revisions"}],"predecessor-version":[{"id":157042,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/157028\/revisions\/157042"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/157041"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=157028"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=157028"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=157028"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}