﻿{"id":4133,"date":"2016-10-26T12:15:55","date_gmt":"2016-10-26T12:15:55","guid":{"rendered":"http:\/\/www.ehu.eus\/compmech\/?page_id=4133"},"modified":"2017-02-23T11:10:40","modified_gmt":"2017-02-23T11:10:40","slug":"scissors","status":"publish","type":"page","link":"https:\/\/www.ehu.eus\/compmech\/research-2\/prototypes\/scissors\/","title":{"rendered":"Scissors"},"content":{"rendered":"<p>Name of the prototype: <strong>Scissors<\/strong><br \/>\nBelonging to the projects: <strong>PARAMEC SAIOTEK 2013<\/strong> (Government of the Basque Country), <strong>EHUA13\/30<\/strong> (Government of the Basque Country) &amp; <a href=\"http:\/\/www.ehu.eus\/compmech\/research-2\/projects\/design-of-multiaxial-parallel-kinematic-machines-with-high-dynamic-capabilities-dynamech\/\"><strong>DYNAMECH<\/strong><\/a> (Spanish Government)<\/p>\n<p>&nbsp;<\/p>\n<p>This is a 2 PRR parallel mechanism with XY planar motion capabilities. One of its legs is an articulated parallelogram, so the terminal element is a plate instead of a point. The prototype has three 700mm long bars made of aluminium 7075 with a total weight of 7.8kg.<\/p>\n<p style=\"text-align: justify; padding-left: 150px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4139\" src=\"http:\/\/www.ehu.eus\/compmech\/wp-content\/uploads\/2016\/10\/tijera.png\" alt=\"tijera\" width=\"307\" height=\"263\" \/>\u00a0\u00a0\u00a0\u00a0\u00a0 <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4137\" src=\"http:\/\/www.ehu.eus\/compmech\/wp-content\/uploads\/2016\/10\/tijera2.png\" alt=\"tijera2\" width=\"336\" height=\"161\" \/><\/p>\n<p>The following picture shows the workspace of the manipulator, with the useful workspace needed for a standard pick &amp; place operation in orange.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"582\" height=\"235\" class=\"size-medium wp-image-4490 aligncenter\" src=\"http:\/\/www.ehu.eus\/compmech\/wp-content\/uploads\/2016\/12\/tijera4-582x235.png\" alt=\"tijera4\" srcset=\"https:\/\/www.ehu.eus\/compmech\/wp-content\/uploads\/2016\/12\/tijera4-582x235.png 582w, https:\/\/www.ehu.eus\/compmech\/wp-content\/uploads\/2016\/12\/tijera4-768x310.png 768w, https:\/\/www.ehu.eus\/compmech\/wp-content\/uploads\/2016\/12\/tijera4-894x361.png 894w, https:\/\/www.ehu.eus\/compmech\/wp-content\/uploads\/2016\/12\/tijera4.png 1158w\" sizes=\"(max-width: 582px) 100vw, 582px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>All the manufacturing process has been done in the University of the Basque Country, UPV\/EHU.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4489\" src=\"http:\/\/www.ehu.eus\/compmech\/wp-content\/uploads\/2016\/12\/tijera5.png\" alt=\"tijera5\" width=\"253\" height=\"212\" \/><\/p>\n<p>All joints have ball bearings so there are no clearances and no friction.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"582\" height=\"166\" class=\"alignnone size-medium wp-image-4492\" src=\"http:\/\/www.ehu.eus\/compmech\/wp-content\/uploads\/2016\/12\/tijera6-582x166.png\" alt=\"tijera6\" srcset=\"https:\/\/www.ehu.eus\/compmech\/wp-content\/uploads\/2016\/12\/tijera6-582x166.png 582w, https:\/\/www.ehu.eus\/compmech\/wp-content\/uploads\/2016\/12\/tijera6-768x219.png 768w, https:\/\/www.ehu.eus\/compmech\/wp-content\/uploads\/2016\/12\/tijera6.png 882w\" sizes=\"(max-width: 582px) 100vw, 582px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Here you can see the prototype moving:<\/p>\n<ul>\n<li>Movement demonstration:<\/li>\n<\/ul>\n<p>https:\/\/youtu.be\/ucgvzUnLk0U<\/p>\n<ul>\n<li>Circular trajectory:<\/li>\n<\/ul>\n<p>https:\/\/youtu.be\/dc79RjHIqB8<\/p>\n<ul>\n<li>Sinusoidal trajectory along Y-axis:<\/li>\n<\/ul>\n<p>https:\/\/youtu.be\/-nMPGPEBfw0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3497 aligncenter\" src=\"http:\/\/www.ehu.eus\/compmech\/wp-content\/uploads\/2016\/09\/ref_MinisterioFEDER.png\" alt=\"ref_MinisterioFEDER\" width=\"187\" height=\"181\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Name of the prototype: Scissors Belonging to the projects: PARAMEC SAIOTEK 2013 (Government of the Basque Country), EHUA13\/30 (Government of the Basque Country) &amp; DYNAMECH (Spanish Government) &nbsp; This is a 2 PRR parallel mechanism with XY planar motion capabilities. One of its legs is an articulated parallelogram, so the terminal element is a plate &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.ehu.eus\/compmech\/research-2\/prototypes\/scissors\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Scissors&#8221;<\/span><\/a><\/p>\n","protected":false},"author":24,"featured_media":0,"parent":4113,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-fullwidth.php","meta":{"footnotes":""},"class_list":["post-4133","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.ehu.eus\/compmech\/wp-json\/wp\/v2\/pages\/4133"}],"collection":[{"href":"https:\/\/www.ehu.eus\/compmech\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ehu.eus\/compmech\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ehu.eus\/compmech\/wp-json\/wp\/v2\/users\/24"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ehu.eus\/compmech\/wp-json\/wp\/v2\/comments?post=4133"}],"version-history":[{"count":21,"href":"https:\/\/www.ehu.eus\/compmech\/wp-json\/wp\/v2\/pages\/4133\/revisions"}],"predecessor-version":[{"id":4933,"href":"https:\/\/www.ehu.eus\/compmech\/wp-json\/wp\/v2\/pages\/4133\/revisions\/4933"}],"up":[{"embeddable":true,"href":"https:\/\/www.ehu.eus\/compmech\/wp-json\/wp\/v2\/pages\/4113"}],"wp:attachment":[{"href":"https:\/\/www.ehu.eus\/compmech\/wp-json\/wp\/v2\/media?parent=4133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}