"Quick" swap E3D/Titan/BMG/LASER multitool for Prusa i3/Anet A8 style printers with Z probe sensors support

Description

<iframe width="100%" height="600" src="https://www.youtube.com/embed/xeUESU2pZlc" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> <b>UPDATES</b> 12/06/19 - Added bases for rear blower and holder for rails nuts. 02/05/19 - Deleted old files to avoid confusion. Left base without rails to be able to use the carriage without probe or side blowers. 11/04/19 - Since I'm taking a lot to publish the new thing I updated the current files with the dented files. 29/03/19 - The "final" version is about to be published. Rails, fans and sensors supports will be dented to prevent them from sliding down the rails. Only the base with fixed rails will be kept for convenience even though the original idea was to be able to remove everything for more tools options. "Final" version will be published as another thing. Thanks all for your help. 28/03/19 - Added Bowden, Laser and Direct plates for the Fixed base. Due to rails removal from plates laser could be centered and direct drive moved to the right. <a href="#clog_260319">26/03/19</a><ul><li>(Option added) Added main base with integrated rails for sensors and sideblowers.</li> <li>Part BL_base_B tolerances were revised to eliminate play of BL sensor.</li> <li>Rear parts fan was updated to be able to insert M3 screws from the inside.</li> </ul> <a href="#clog_240319">24/03/19</a><ul><li>(Added features) Added left and right blower fan supports and back holder for BL Touch. Added left/right/back holders for Tronxy XY-08N/Meiqi and other Inductive sensors.</li></ul> <b>Please refer to <a href="#change_log_qset">changelog</a> for details on last changes</b> This tool is intended for people who don't want to get stuck with a unique type of nozzle, type of extruder, sensor or even fan. It pretends to be a mix between ease of use and quality print. Bottom part of the tool holder is designed so every direction, but vertical, is contained and the top tool tightener ensures it accomplishes it. With standard SCS8UU aluminum bearing blocks, It can be used with machines with vertical rods whose separation varies from 48 to 56mm (rods included). You can use your bearing blocks or print the plastic ones to save weight. Side rails of the tool holders allow the movement of the sensor (soon also part fan) so you can adjust them to use most kinds of heat blocks and nozzles. Included Part fan height can also be adjusted. <b>Instructions:</b> Assemble the carriage BEFORE mounting it on the rods (much easier) but don’t tighten bearings blocks/holders until it’s mounted so they can be aligned. <i>24/03/19</i> You can now chose to install the sensor on the back of the carriage and use side part blowers, even dual. <b>Please remember this is plastic and don’t over tighten things or they’ll break.</b> Follow the images below as part and screws guides. All STL files are rendered in the position they should be printed. STL files with “_supports” suffix need to use supports (in some you can avoid them cause most of the times they are just holes for the screws) Files that need to be printed twice have the “_X2” suffix Main base, Bearing holders and tightener parts A and B need, at least, 3 walls and high infill. <img src="https://cdn.thingiverse.com/renders/3f/e0/88/fe/51/2f547b9f6f57d549a2a1515ab452c032_preview_featured.jpg" width="100%" align="center" /> <b>The hardware you’ll need is:*</b> - For the base mount using the plastic bearings: 6 M4x12mm screws + 6 M4 nuts (Nyloc nuts highly recommended). You can use your current M4 screws if you use your aluminium blocks. - For the Part fan/Belt anchor: 4 M4x30mm screws and 4 normal 4M nuts. - For the Tool tightener: 1 M3x20mm +1 M3 nut - For the REAR Fan: 2 3.5x20mm (or similar plastic/wood screws) + 2 washers - For the side blowers: 1 or 2 (I use only 1 in the center) M3x15mm + M3 wingnut for the base and 2 M3x20mm for the blower. - For the plate to base fixation: 1 M5x20mm and, preferably, 1 M5 wingnut. - For the E3D V6 bowden mount: 2 M3x35mm + 2 nuts (or wingnuts) - For the Titan direct drive mount: 3 M3x35mm - For the BMG direct drive mount: 3 M3x45mm (yes, BMG clones are fat) - For the laser mount: 2 M3x8 - For the BL Touch mount: 2M3x8 (or 10mm) + 1 M3x15mm, 2 M3 nuts and 1 M3 wing nut (or 3 M3 nuts) <i>* Note that holes for screws are made for Allen head type.</i> You'll also need a 40mm fan with, at least 2 screws, for the parts fan. <img src="https://cdn.thingiverse.com/renders/c5/4d/f3/3c/ba/4c970882c2ef981df57b45909838a31a_preview_featured.jpg" width="100%" align="center" /> <b>Usage:<b> <i>To place a new tool/plate:</i> Insert the tool tightener to the base an place the plate beginning with the bottom (watch video in the description). Rotate the “Tool tightener C” part so that the plate is held in place. <b>Tighten till you begin to feel tension but no so much that you can break anything</b> then secure everything with the M5 wingnut. Keep in mind that each tool will need it’s own calibration so you’ll need to add its steps/mm in the beginning of your G code. If you also use an auto levelling probe (mount only available for the BL touch by now). You will also need to set its offset every time you change the tool/sensor. You'll also need to establish probe's X offset in Marlin. I use 20mm as an average offset but tools won't have the same. Unfurtunatly, marlin doesn't allow to change X probe offsets with M851 (even though there's a branch that does). Don’t be afraid, it’s quite easy when you get used to. You can use the provided 8mm shim to adjust the height of the BLTouch probe. I'm assuming people that will attempt to use this carriage are already familiar with steps/mm calibration and sensors calibration. If you are not, I'll gladly try to help you. <i>Connections:</i> Since there’s still no connections box available, please use your imagination, haha just kidding... no, not really. If you want to use both direct and bowden setups, the best case scenario is to have two steppers, heaters and thermistors, a board with, at least, two extruders available and to be able to use a free PWM pin to control the laser, that way you wouldn’t even need to disconnect anything and you could use one tool as extruder 0, the other as extruder 1 and the laser as a secondary fan. If you only have one extruder output and there’s no way you can use a free PWM pin, you can create a simple 4 pins dupont extension to your board’s extruder output and add one in each extruder stepper you want to use. That way you can easily connect and disconnect them and even reverse stepper direction by simply reversing the connector. You’ll also need to be able to easily connect and disconnect thermistors and heaters but that is perhaps the easiest part since most boards allow to plug and unplug them. If you want to use the laser and you are not able to free a PWM pin, its TTL input can be connected to your part fan output and be controlled with M106 Sx (where x is the power) and M107 to turn it off. If you are able to free a PWM pin, define it as a fan since this is the recommended setting even though Marlin already supports laser and use it with M106 P1 Sx and M107 P1. If your laser stays on all the time you may need D. Bemowski’s hack, available here: https://www.thingiverse.com/thing:3407486 <b>To do's:</b> Since the goal is to make a universal tool, I'd like to design plates for many kinds of extruders as supports for multiple types of sensores. Please note that this is still a work in progress and I publish it now so people can point needs and problems. <a name="change_log_qset"></a> <b>Changelog</b> <a name="clog_240319"></a> <i>Update 24/03/19 - Added Features:</i> Added left and right blower fan supports for bowden base and a back base bor the BL touch probe. Right blower base can be used for the direct extruder drive. BL touch offset for back base using bowden setup is Y65mm Z0 X0. Dual blower is possible placing the probe on the back (if used). Added bases for flat Inductive sensors with 10mm holes separation (like Tronxy XY-08N or Meiqi SN04N. <img src="https://cdn.thingiverse.com/renders/37/20/11/54/dd/7742b3bc44a2e33a3a539543b3287f89_preview_featured.jpg" width="100%" /> <a name="clog_260319"></a> <i>Update 26/03/19 - Options added:</i> As suggested by J. Briffaut, sensors and side blowers can now be attached to the main base. Three new bases are available, one with both left and right rails and one for each rail side. Rails can be printed separately and attached with screws so you don't need to reprint the whole base in case of failure. Since the new rails don't have the same width as the ones on the plates and also distance for blowers changed, new parts were designed. All parts used with the fixed rails base have the "Fixed_" prefix. Part labelled as ADAPTER only serves to use previous blower base version. <img src="https://cdn.thingiverse.com/renders/96/a4/96/cb/2a/e06d061a77a7bde916b8a91163029d41_preview_featured.jpg" width="100%" />

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