{"id":4448,"date":"2020-07-24T23:48:00","date_gmt":"2020-07-25T02:48:00","guid":{"rendered":"https:\/\/tangopardo.com.ar\/2cf7\/?p=4448"},"modified":"2020-07-27T22:39:34","modified_gmt":"2020-07-28T01:39:34","slug":"worn-shaft-buildup","status":"publish","type":"post","link":"https:\/\/tangopardo.com.ar\/2cf7\/2020\/07\/24\/worn-shaft-buildup","title":{"rendered":"Worn shaft buildup."},"content":{"rendered":"\n<p>I had this &#8220;Gladiator&#8221; angle grinder awaiting repairs for quite a lot of time. It was cheap but I liked it a lot because it came with a speed control and took a lot of use without complaining.<\/p>\n\n\n\n<p>But one day it broke.  The motor spun, there was a lot of noise but the output wasn&#8217;t turning. Inspecting the gearbox revealed that the small bevel gear was free in the motor shaft. The grease had some shiny specks and looking closer the key was still in the gear.<\/p>\n\n\n\n<p>On the previous weeks it started to make louder and louder sounds but I assumed it was kind of normal for the abuse.<\/p>\n\n\n\n<p>And then it seems that the keyway gave up and the shaft, soft as butter, ground itself between the hardened gear and the woodruff key until it became free:<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-1 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_200852468-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-attachment-id=\"4450\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/2020\/07\/24\/worn-shaft-buildup\/worn-out-shaft\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_200852468-scaled.jpg\" data-orig-size=\"2560,1920\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2&quot;,&quot;credit&quot;:&quot;Adrian Pardini pardo.bsso AT gmail.com - adrian AT tangopardo.com.ar&quot;,&quot;camera&quot;:&quot;Moto E (4) Plus&quot;,&quot;caption&quot;:&quot;Worn out shaft&quot;,&quot;created_timestamp&quot;:&quot;1595621332&quot;,&quot;copyright&quot;:&quot;CC BY-SA-NC 2.5 AR Adrian Pardini - pardo.bsso AT gmail.com - adrian AT tangopardo.com.ar&quot;,&quot;focal_length&quot;:&quot;3.5&quot;,&quot;iso&quot;:&quot;330&quot;,&quot;shutter_speed&quot;:&quot;0.010003&quot;,&quot;title&quot;:&quot;Worn out shaft&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"Worn out shaft\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Worn out shaft&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_200852468-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_200852468-1024x768.jpg\" src=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_200852468-1024x768.jpg\" alt=\"\" data-id=\"4450\" data-full-url=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_200852468-scaled.jpg\" data-link=\"https:\/\/tangopardo.com.ar\/2cf7\/?attachment_id=4450\" class=\"wp-image-4450\" srcset=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_200852468-1024x768.jpg 1024w, https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_200852468-300x225.jpg 300w, https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_200852468-768x576.jpg 768w, https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_200852468-1536x1152.jpg 1536w, https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_200852468-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"blocks-gallery-item__caption\">Worn out shaft<\/figcaption><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>I used the <a href=\"https:\/\/tangopardo.com.ar\/2cf7\/2020\/07\/23\/homemade-bearing-puller\">bearing puller<\/a> to have a solid ground connection and started to pad beads to build up the missing metal. I went a bit overboard with the heat but I somehow managed to not bend nor twist the shaft. Tomorrow I&#8217;ll try to grind it back to the original dimensions.<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_204928448-768x1024.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-attachment-id=\"4451\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/2020\/07\/24\/worn-shaft-buildup\/welder-grounding-contraption\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_204928448-scaled.jpg\" data-orig-size=\"1920,2560\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2&quot;,&quot;credit&quot;:&quot;Adrian Pardini pardo.bsso AT gmail.com - adrian AT tangopardo.com.ar&quot;,&quot;camera&quot;:&quot;Moto E (4) Plus&quot;,&quot;caption&quot;:&quot;Welder grounding contraption&quot;,&quot;created_timestamp&quot;:&quot;1595623768&quot;,&quot;copyright&quot;:&quot;CC BY-SA-NC 2.5 AR Adrian Pardini - pardo.bsso AT gmail.com - adrian AT tangopardo.com.ar&quot;,&quot;focal_length&quot;:&quot;3.5&quot;,&quot;iso&quot;:&quot;242&quot;,&quot;shutter_speed&quot;:&quot;0.010003&quot;,&quot;title&quot;:&quot;Welder grounding contraption&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"Welder grounding contraption\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Welder grounding contraption&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_204928448-225x300.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_204928448-768x1024.jpg\" src=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_204928448-768x1024.jpg\" alt=\"\" data-id=\"4451\" data-link=\"https:\/\/tangopardo.com.ar\/2cf7\/?attachment_id=4451\" class=\"wp-image-4451\" srcset=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_204928448-768x1024.jpg 768w, https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_204928448-225x300.jpg 225w, https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_204928448-1152x1536.jpg 1152w, https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_204928448-1536x2048.jpg 1536w, https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_204928448-scaled.jpg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a><figcaption class=\"blocks-gallery-item__caption\">Welder grounding contraption<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_205008308-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-attachment-id=\"4452\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/2020\/07\/24\/worn-shaft-buildup\/weld-buildup-on-worn-out-shaft\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_205008308-scaled.jpg\" data-orig-size=\"2560,1920\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2&quot;,&quot;credit&quot;:&quot;Adrian Pardini pardo.bsso AT gmail.com - adrian AT tangopardo.com.ar&quot;,&quot;camera&quot;:&quot;Moto E (4) Plus&quot;,&quot;caption&quot;:&quot;Weld buildup on worn out shaft&quot;,&quot;created_timestamp&quot;:&quot;1595623808&quot;,&quot;copyright&quot;:&quot;CC BY-SA-NC 2.5 AR Adrian Pardini - pardo.bsso AT gmail.com - adrian AT tangopardo.com.ar&quot;,&quot;focal_length&quot;:&quot;3.5&quot;,&quot;iso&quot;:&quot;258&quot;,&quot;shutter_speed&quot;:&quot;0.020005&quot;,&quot;title&quot;:&quot;Weld buildup on worn out shaft&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"Weld buildup on worn out shaft\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Weld buildup on worn out shaft&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_205008308-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_205008308-1024x768.jpg\" src=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_205008308-1024x768.jpg\" alt=\"\" data-id=\"4452\" data-full-url=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_205008308-scaled.jpg\" data-link=\"https:\/\/tangopardo.com.ar\/2cf7\/?attachment_id=4452\" class=\"wp-image-4452\" srcset=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_205008308-1024x768.jpg 1024w, https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_205008308-300x225.jpg 300w, https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_205008308-768x576.jpg 768w, https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_205008308-1536x1152.jpg 1536w, https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2020\/07\/IMG_20200724_205008308-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"blocks-gallery-item__caption\">Weld buildup on worn out shaft<\/figcaption><\/figure><\/li><\/ul><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>I had this &#8220;Gladiator&#8221; angle grinder awaiting repairs for quite a lot of time. It was cheap but I liked it a lot because it came with a speed control and took a lot of use without complaining. But one day it broke. The motor spun, there was a lot of noise but the output [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[24,111,93],"tags":[],"class_list":["post-4448","post","type-post","status-publish","format-standard","hentry","category-hacks","category-one-night-builds","category-welding-metalworking"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pmnbC-19K","_links":{"self":[{"href":"https:\/\/tangopardo.com.ar\/2cf7\/wp-json\/wp\/v2\/posts\/4448","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tangopardo.com.ar\/2cf7\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tangopardo.com.ar\/2cf7\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tangopardo.com.ar\/2cf7\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tangopardo.com.ar\/2cf7\/wp-json\/wp\/v2\/comments?post=4448"}],"version-history":[{"count":4,"href":"https:\/\/tangopardo.com.ar\/2cf7\/wp-json\/wp\/v2\/posts\/4448\/revisions"}],"predecessor-version":[{"id":4456,"href":"https:\/\/tangopardo.com.ar\/2cf7\/wp-json\/wp\/v2\/posts\/4448\/revisions\/4456"}],"wp:attachment":[{"href":"https:\/\/tangopardo.com.ar\/2cf7\/wp-json\/wp\/v2\/media?parent=4448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tangopardo.com.ar\/2cf7\/wp-json\/wp\/v2\/categories?post=4448"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tangopardo.com.ar\/2cf7\/wp-json\/wp\/v2\/tags?post=4448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}