{"id":236,"date":"2013-09-06T20:06:20","date_gmt":"2013-09-06T10:06:20","guid":{"rendered":"http:\/\/www.eyemonline.com\/?p=236"},"modified":"2013-09-06T20:16:05","modified_gmt":"2013-09-06T10:16:05","slug":"new-power-supply-and-a-test-run","status":"publish","type":"post","link":"http:\/\/www.eyemonline.com\/?p=236","title":{"rendered":"New Power Supply and a Test Run"},"content":{"rendered":"<p>The new 24VDC 240W power supply arrived today. I&#8217;m very impressed with <a title=\"powerbox\" href=\"http:\/\/www.powerbox.com.au\/ac-dc-power-supplies\/pbc-pfc-series.html\" target=\"_blank\">powerbox<\/a>. I ordered the power supply yesterday and it turned up today! This power supply was chosen so that the stepper motors will delivery more torque.<\/p>\n<p><!--more--><\/p>\n<div data-carousel-extra='{\"blog_id\":1,\"permalink\":\"http:\\\/\\\/www.eyemonline.com\\\/?p=236\"}' id='gallery-1' class='gallery galleryid-236 gallery-columns-3 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-19.jpg'><img width=\"112\" height=\"150\" src=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-19-112x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" decoding=\"async\" loading=\"lazy\" aria-describedby=\"gallery-1-240\" srcset=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-19-112x150.jpg 112w, http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-19-225x300.jpg 225w, http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-19-768x1024.jpg 768w\" sizes=\"(max-width: 112px) 100vw, 112px\" data-attachment-id=\"240\" data-permalink=\"http:\/\/www.eyemonline.com\/?attachment_id=240\" data-orig-file=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-19.jpg\" data-orig-size=\"2448,3264\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.4&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 5&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1378484797&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.13&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.05&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"24VDC 240W Power Supply\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;24VDC 240W Power Supply&lt;\/p&gt;\n\" data-medium-file=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-19-225x300.jpg\" data-large-file=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-19-768x1024.jpg\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-240'>\n\t\t\t\t24VDC 240W Power Supply\n\t\t\t\t<\/dd><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n<p>The power supply has been wired up to grblShield and used for a test run.<\/p>\n<div data-carousel-extra='{\"blog_id\":1,\"permalink\":\"http:\\\/\\\/www.eyemonline.com\\\/?p=236\"}' id='gallery-2' class='gallery galleryid-236 gallery-columns-3 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-18.jpg'><img width=\"112\" height=\"150\" src=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-18-112x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" decoding=\"async\" loading=\"lazy\" aria-describedby=\"gallery-2-239\" srcset=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-18-112x150.jpg 112w, http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-18-225x300.jpg 225w, http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-18-768x1024.jpg 768w\" sizes=\"(max-width: 112px) 100vw, 112px\" data-attachment-id=\"239\" data-permalink=\"http:\/\/www.eyemonline.com\/?attachment_id=239\" data-orig-file=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-18.jpg\" data-orig-size=\"2448,3264\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.4&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 5&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1378484781&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.13&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.05&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"grblShield\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;The stepper motors wired into grblShield.&lt;\/p&gt;\n\" data-medium-file=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-18-225x300.jpg\" data-large-file=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-18-768x1024.jpg\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-2-239'>\n\t\t\t\tThe stepper motors wired into grblShield.\n\t\t\t\t<\/dd><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n<p>Jogging in all axes worked fine after tuning the current limit. I ran a couple of test programs to move in 50 mm diameter circles in the XY and XZ planes.<\/p>\n<p>The limit switches are installed but not wired up yet. The X and Y axes have two limit switches, one for each direction of travel. The Z-Axis has only one limit switch which will be used for homing. When homing the Z-Axis will move away from the table.<\/p>\n<div data-carousel-extra='{\"blog_id\":1,\"permalink\":\"http:\\\/\\\/www.eyemonline.com\\\/?p=236\"}' id='gallery-3' class='gallery galleryid-236 gallery-columns-3 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-20.jpg'><img width=\"112\" height=\"150\" src=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-20-112x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" decoding=\"async\" loading=\"lazy\" aria-describedby=\"gallery-3-241\" srcset=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-20-112x150.jpg 112w, http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-20-225x300.jpg 225w, http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-20-768x1024.jpg 768w\" sizes=\"(max-width: 112px) 100vw, 112px\" data-attachment-id=\"241\" data-permalink=\"http:\/\/www.eyemonline.com\/?attachment_id=241\" data-orig-file=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-20.jpg\" data-orig-size=\"2448,3264\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.4&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 5&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1378485602&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.13&quot;,&quot;iso&quot;:&quot;250&quot;,&quot;shutter_speed&quot;:&quot;0.05&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"Z-Axis Limit Switch\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Z-Axis has only one limit switch to home the axis away from the table.&lt;\/p&gt;\n\" data-medium-file=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-20-225x300.jpg\" data-large-file=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-20-768x1024.jpg\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-3-241'>\n\t\t\t\tZ-Axis has only one limit switch to home the axis away from the table.\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-16.jpg'><img width=\"150\" height=\"112\" src=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-16-150x112.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" decoding=\"async\" loading=\"lazy\" aria-describedby=\"gallery-3-242\" srcset=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-16-150x112.jpg 150w, http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-16-300x225.jpg 300w, http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-16-1024x768.jpg 1024w\" sizes=\"(max-width: 150px) 100vw, 150px\" data-attachment-id=\"242\" data-permalink=\"http:\/\/www.eyemonline.com\/?attachment_id=242\" data-orig-file=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-16.jpg\" data-orig-size=\"3264,2448\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.4&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 5&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1378484752&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.13&quot;,&quot;iso&quot;:&quot;320&quot;,&quot;shutter_speed&quot;:&quot;0.05&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"X-Axis Limit Switch\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;X-Axis has two limit switches. One for each direction.&lt;\/p&gt;\n\" data-medium-file=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-16-300x225.jpg\" data-large-file=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-16-1024x768.jpg\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-3-242'>\n\t\t\t\tX-Axis has two limit switches. One for each direction.\n\t\t\t\t<\/dd><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n<p>When assembling the X-Z axes I found that the Z-Axis carriage fouled on a couple of bolts. The specified length was too short and the bolts I replaced them with were too long. A die grinder and 10mm carbide burr quickly fixed the problem.<\/p>\n<div data-carousel-extra='{\"blog_id\":1,\"permalink\":\"http:\\\/\\\/www.eyemonline.com\\\/?p=236\"}' id='gallery-4' class='gallery galleryid-236 gallery-columns-3 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-13.jpg'><img width=\"112\" height=\"150\" src=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-13-112x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" decoding=\"async\" loading=\"lazy\" aria-describedby=\"gallery-4-237\" srcset=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-13-112x150.jpg 112w, http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-13-225x300.jpg 225w, http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-13-768x1024.jpg 768w\" sizes=\"(max-width: 112px) 100vw, 112px\" data-attachment-id=\"237\" data-permalink=\"http:\/\/www.eyemonline.com\/?attachment_id=237\" data-orig-file=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-13.jpg\" data-orig-size=\"2448,3264\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.4&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 5&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1378484690&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.13&quot;,&quot;iso&quot;:&quot;400&quot;,&quot;shutter_speed&quot;:&quot;0.05&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"Z Carriage Clearance\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;The bolts securing the Z-Axis carriage were a bit long and needed clearance.&lt;\/p&gt;\n\" data-medium-file=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-13-225x300.jpg\" data-large-file=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-13-768x1024.jpg\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-4-237'>\n\t\t\t\tThe bolts securing the Z-Axis carriage were a bit long and needed clearance.\n\t\t\t\t<\/dd><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n<p>To anchor the timing belts for the X and Y axes 20 x 20 x 3 aluminium angle with an eye bolt and the <a title=\"dowel and cable tie method of clamping\" href=\"http:\/\/www.shapeoko.com\/wiki\/index.php\/Belt_Anchors#Zip_ties_for_belt_anchors\" target=\"_blank\">dowel and cable tie method of clamping<\/a>. This provides easy adjustment of the belt tension and the aluminium angle is very rigid.<\/p>\n<div data-carousel-extra='{\"blog_id\":1,\"permalink\":\"http:\\\/\\\/www.eyemonline.com\\\/?p=236\"}' id='gallery-5' class='gallery galleryid-236 gallery-columns-3 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-17.jpg'><img width=\"150\" height=\"112\" src=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-17-150x112.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" decoding=\"async\" loading=\"lazy\" aria-describedby=\"gallery-5-238\" srcset=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-17-150x112.jpg 150w, http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-17-300x225.jpg 300w, http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-17-1024x768.jpg 1024w\" sizes=\"(max-width: 150px) 100vw, 150px\" data-attachment-id=\"238\" data-permalink=\"http:\/\/www.eyemonline.com\/?attachment_id=238\" data-orig-file=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-17.jpg\" data-orig-size=\"3264,2448\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.4&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 5&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1378484769&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;4.13&quot;,&quot;iso&quot;:&quot;400&quot;,&quot;shutter_speed&quot;:&quot;0.05&quot;,&quot;title&quot;:&quot;&quot;}\" data-image-title=\"Y-Axis Timing Belt Anchor\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Y-Axis Timing Belt Anchor&lt;\/p&gt;\n\" data-medium-file=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-17-300x225.jpg\" data-large-file=\"http:\/\/www.eyemonline.com\/wp-content\/uploads\/2013\/09\/Desktop-CNC-17-1024x768.jpg\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-5-238'>\n\t\t\t\tY-Axis Timing Belt Anchor\n\t\t\t\t<\/dd><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n<p>Video of the initial testing will be posted soon.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The new 24VDC 240W power supply arrived today. I&#8217;m very impressed with powerbox. I ordered the power supply yesterday and it turned up today! This power supply was chosen so that the stepper motors will delivery more torque.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[5],"tags":[21,10,8],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p3FgN7-3O","_links":{"self":[{"href":"http:\/\/www.eyemonline.com\/index.php?rest_route=\/wp\/v2\/posts\/236"}],"collection":[{"href":"http:\/\/www.eyemonline.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.eyemonline.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.eyemonline.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.eyemonline.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=236"}],"version-history":[{"count":5,"href":"http:\/\/www.eyemonline.com\/index.php?rest_route=\/wp\/v2\/posts\/236\/revisions"}],"predecessor-version":[{"id":247,"href":"http:\/\/www.eyemonline.com\/index.php?rest_route=\/wp\/v2\/posts\/236\/revisions\/247"}],"wp:attachment":[{"href":"http:\/\/www.eyemonline.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=236"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.eyemonline.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=236"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.eyemonline.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}