{"id":5,"date":"2021-05-04T10:58:00","date_gmt":"2021-05-04T09:58:00","guid":{"rendered":""},"modified":"2023-01-07T18:17:13","modified_gmt":"2023-01-07T18:17:13","slug":"ord-bot-hadron-build-part-4-calibration","status":"publish","type":"post","link":"https:\/\/blog.hslracing.com\/3dprinters\/2021\/05\/ord-bot-hadron-build-part-4-calibration.html","title":{"rendered":"Ord Bot Hadron Build Part 4 – Calibration and First Prints"},"content":{"rendered":"

Swapping in the new Ramps 1.6 board was simple and straightforward, I then programmed this with the same Repetier<\/a>\u00a0firmware I had prepared for the previous board.<\/p>\n

I powered it on and this time no magic smoke and all the motors were behaving as they should, they just needed to be calibrated for steps\/mm which was easy enough to achieve – just tell the asix to move 100mm and measure how far it actually moved, then make the calculation for the new steps\/mm and enter that into the eeprom setting and test again, rinse and repeat until satisfied with the result.<\/p>\n

I tried powering on the heated bed, but unfortunately it was not heating up.<\/p>\n

There was power at the terminals, but the connections to the circuit on the PCB had failed due to overheating when attaching the new longer power cables.<\/p>\n

I decided at this point that rather than buy a new PCB heated bed, I would buy a 12V 200W silicone bed heating mat with a built in thermistor for \u00a314.33 from Ebay<\/a> Seller beauty_makers<\/a>.<\/p>\n

\"\"<\/a><\/div>\n

I could then attach this to the underside of my PCB and hopefully this would provide a more even heating of the bed than the original PCB.<\/p>\n

\"\"<\/a><\/div>\n

I had numerous emails with the seller trying to determine which thermistor they had used, but never received a decent answer.<\/p>\n

Turns out it uses what Repetier<\/a> refers to as type 8 or ATC Semitec 104GT-2 which is the same type as I have used on my extruder.<\/p>\n

In use this new heated mat can take the bed from room temperature (around 23C\/74F) to 55C\/130F in under a minute with a nice even spread of heat.<\/p>\n

The extruder took a while to calibrate as it seemed to change how much filament it pushed with each set of steps\/mm I configured and I ended up going around the loop half a dozen times before it finally pushed 100mm when asked to push 100mm.<\/p>\n

I then had an issue where one of the Z motors was not working at full strength and skipped a large number of steps, this turned out to be just a loose connection on one of the motor wires.<\/p>\n

Finally, after manually levelling the bed, I was ready to try and print something.<\/p>\n

As far as print and slicer settings go, I just carried on using all of my settings from my old Prusa i3<\/a>.<\/p>\n

I needed a spool holder and had decided on using the SUSH Slide-On Spool Holder from Thingiverse<\/a>.<\/p>\n

This is the first of 4 of these items.<\/p>\n

\"\"<\/a><\/div>\n

Two of them side by side (just placed – I only printed one at a time).<\/p>\n

\"\"<\/a><\/div>\n

608 skate bearings fitted and then attached to a section of 20×20 aluminium profile.<\/p>\n

\"\"<\/a><\/div>\n

A little fettling was required for the bearings to fit snugly (they were a fraction of a mm oversized) and also on the inner corners so they would slide onto the aluminium profile.<\/p>\n

Printer with spool sat on the new holders.<\/p>\n

\"\"<\/a><\/div>\n

The spool rotates freely on the bearings and the spool holders can be adjusted together or apart to accommodate different spool widths.<\/p>\n","protected":false},"excerpt":{"rendered":"

Swapping in the new Ramps 1.6 board was simple and straightforward, I then programmed this with the same Repetier\u00a0firmware I had prepared for the previous board. I powered it on and this time no magic smoke and all the motors were behaving as they should, they just needed to be calibrated for steps\/mm which was…<\/p>\n","protected":false},"author":1,"featured_media":53,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[3],"class_list":["post-5","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorised","tag-hadron"],"_links":{"self":[{"href":"https:\/\/blog.hslracing.com\/3dprinters\/wp-json\/wp\/v2\/posts\/5","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.hslracing.com\/3dprinters\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.hslracing.com\/3dprinters\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.hslracing.com\/3dprinters\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.hslracing.com\/3dprinters\/wp-json\/wp\/v2\/comments?post=5"}],"version-history":[{"count":4,"href":"https:\/\/blog.hslracing.com\/3dprinters\/wp-json\/wp\/v2\/posts\/5\/revisions"}],"predecessor-version":[{"id":255,"href":"https:\/\/blog.hslracing.com\/3dprinters\/wp-json\/wp\/v2\/posts\/5\/revisions\/255"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.hslracing.com\/3dprinters\/wp-json\/wp\/v2\/media\/53"}],"wp:attachment":[{"href":"https:\/\/blog.hslracing.com\/3dprinters\/wp-json\/wp\/v2\/media?parent=5"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.hslracing.com\/3dprinters\/wp-json\/wp\/v2\/categories?post=5"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.hslracing.com\/3dprinters\/wp-json\/wp\/v2\/tags?post=5"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}