Prusa mk3 Y axis Adjustable Belt Tensioner and BED Holder with Paralelism and compatible with other Mods

prusaprinters

This version is a remix from the 2019 original from Thingiverse. <a href="https://www.thingiverse.com/thing:2786671/files">https://www.thingiverse.com/thing:2786671/files</a>I made an effort to upgrade and remix it  cause I Think this is easy,  and far away,  the best Y-Tensioner Mod  for prusa.   Only one bolt to adjust tension.  See the Complete Install Guide below this info!!!!  Dont miss it !!! Compatible With: __________________________________<ul><li>Prusa Mk3 </li><li>Prusa Mk3s </li><li>Prusa Mk3s+   </li><li>Other Printers</li></ul> Upgrades: __________________________________ <ul><li>Hex holes are tight,  hex nuts dont fall off when you are installing the mod.</li><li>LockNuts dont turn inside the hole when you are aplying tension. </li><li>Block-TNuts and M3 Hex Heads are HIDDEN inside the frame  (for better looking)</li><li>New Y_Holder with improved Height and door to assure the Gt2 belt</li><li>Alternative Y_Holder  from Jackass Filament (<a href="https://www.printables.com/model/205812-prusa-mk3-y-belt-holder-improved-for-gates-belts/files">https://www.printables.com/model/205812-prusa-mk3-y-belt-holder-improved-for-gates-belts/files</a>)</li><li>Y-Holder has 48mm width  (for compatibility with Mk3S Y-Motor Mount ultra and other mods)</li><li>Mk3 Y Belt Holder inside collection for alternative Y-Holder  (print the one you most like)  </li></ul>Original Features: __________________________________ <ul><li>The mod has paralelism across all the belt.</li><li>Is easy to print and install</li><li>Can be used with other mods  </li><li>Original GT2 Belt can be used</li></ul> Hardware Needed: __________________________________ <ul><li>2 M3x35mm socket head cap screws (for idler_Frame and Mount)</li><li>1 M3x30mm socket head cap screws (for tensioner)</li><li>2 M3x10mm for Y_Holder </li><li>5 M3 Nylock nut (For idler_Frame and Mount)</li><li>Your Pulley</li></ul> What files to print? __________________________________ <ul><li>1x Base Holder</li><li>1x Base_for_your_pulley  (GT2, GT16, Prusa Version, etc)</li><li>1x Y Holder  (this version or another)  </li></ul>Compatible Mods __________________________________ <ul><li>Y-Axys Motor Mount Ultra  (<a href="https://www.printables.com/model/57937-mk3s-y-axis-motor-mount-ultra">https://www.printables.com/model/57937-mk3s-y-axis-motor-mount-ultra</a>)</li><li>MK3 Y Belt Holder (<a href="https://www.printables.com/model/205812-prusa-mk3-y-belt-holder-improved-for-gates-belts/files">https://www.printables.com/model/205812-prusa-mk3-y-belt-holder-improved-for-gates-belts/files</a>)  </li></ul>_________________________________________________________________________________ INSTALL MANUAL _________________________________________________________________________________  1º - Prepare the Base_Holder <img src="https://media.printables.com/media/prints/245401/rich_content/4962d35e-e64d-4f9b-8408-d5a0e2ae745f/1.jpg#%7B%22uuid%22%3A%22181ce015-6492-4a35-b4c8-62c977440f39%22%2C%22w%22%3A849%2C%22h%22%3A656%7D"> 2º - Insert the LockNuts into the Hex Holes.  Dont worry if you cant,  its thight.  Use the Pull method from the Prusa manual  and screw them :) <img src="https://media.printables.com/media/prints/245401/rich_content/bf83394e-e80a-4683-8cb5-9eaf17c85ba1/2.jpg#%7B%22uuid%22%3A%2240291860-cc1e-4d2a-9437-5a73bf48db02%22%2C%22w%22%3A849%2C%22h%22%3A656%7D">   3º - Get the “Base_for_your_pulley”  (I choose the Prusa one) <img src="https://media.printables.com/media/prints/245401/rich_content/a12c2daa-17e1-4196-b6ee-1fb422a03ebf/3.jpg#%7B%22uuid%22%3A%22f89a30a5-c9a6-4770-8daf-e0b36ba4e9c6%22%2C%22w%22%3A849%2C%22h%22%3A656%7D"> 4º - Put It in the Base_Holder.  Later will be screwed <img src="https://media.printables.com/media/prints/245401/rich_content/7bafc675-c11a-4746-9aba-c0c7b6459876/4.jpg#%7B%22uuid%22%3A%224ea1c143-294d-47bc-9493-9b3025541d93%22%2C%22w%22%3A849%2C%22h%22%3A656%7D"> 5º - As you can see ,  the Base_of_Your_pulley  has two sides.   One with Hex Holes,  One with Round holes.   <img src="https://media.printables.com/media/prints/245401/rich_content/f8dc54d6-1cd4-4628-adbc-da684953ea65/5.jpg#%7B%22uuid%22%3A%229452561d-d93f-46ff-bfe8-f8a323adc7aa%22%2C%22w%22%3A849%2C%22h%22%3A656%7D"> 6º - Prepare your Pulley,  two M3x35 and Two LockNuts  <img src="https://media.printables.com/media/prints/245401/rich_content/24302685-1482-446f-ba86-7efaea8b5473/6.jpg#%7B%22uuid%22%3A%220c30926e-9191-4b99-b40b-be82cfde3aae%22%2C%22w%22%3A849%2C%22h%22%3A656%7D"> 7º - Put the LockNuts in the Hex holes!  Now , from the other side, Insert the M3 across the BaseHolder + Base_of_Your_pulley + Your Pulley. Screw a little ,  dont be rude.  The Y base needs to move freely,  and your pulley too!!! <img src="https://media.printables.com/media/prints/245401/rich_content/b4a3788d-0efe-471a-a21b-b857bfbc8de5/7.jpg#%7B%22uuid%22%3A%22bf2b535d-0ff1-4390-af7e-26419fb5c83b%22%2C%22w%22%3A849%2C%22h%22%3A656%7D"> 8º - Now Prepare a m3x30 and another Locknut.   Put it in the hex hole.   Screw from behind. <img src="https://media.printables.com/media/prints/245401/rich_content/6e4b949f-a77f-45e8-bbd6-f665b102b240/8.jpg#%7B%22uuid%22%3A%22522699e5-0165-452e-a4e5-18fca5bc6d98%22%2C%22w%22%3A849%2C%22h%22%3A896%7D"> 9º - You will end with something like this! <img src="https://media.printables.com/media/prints/245401/rich_content/a412b627-fa7c-464e-9bd5-875418d8f878/9.jpg#%7B%22uuid%22%3A%2242e5a3ce-b8dd-4768-b481-972388df4cb6%22%2C%22w%22%3A849%2C%22h%22%3A656%7D"> 10º - Time to pass the Belt across our Tensioner.  <img src="https://media.printables.com/media/prints/245401/rich_content/07869007-4a92-4f59-84b9-47fbf252182f/10.jpg#%7B%22uuid%22%3A%2203a96ec0-c4fa-4f8a-8d85-466111746fd6%22%2C%22w%22%3A849%2C%22h%22%3A656%7D"> 11º - Now pass the belt into the Bed-Holder Too,  as shown in this image.  Is easy in this step.  <img src="https://media.printables.com/media/prints/245401/rich_content/dc23cc6e-36b9-443c-980d-36aef329fbf5/11.jpg#%7B%22uuid%22%3A%22207e5605-24ac-48a1-90ae-79ea209606df%22%2C%22w%22%3A849%2C%22h%22%3A656%7D"> 12º - Pass the rest of the gt2-belt across the motor and put it into the Bed Holder.  You can now use 2x m3x10 bolts to screw the Bed-Holder to the Bed.. Optionally,  you can put the Bed-Holder-Door to assure your GT2 BELT with 2 M3x18 and two hexnut or locknut. <img src="https://media.printables.com/media/prints/245401/rich_content/209eb994-fa78-4e1f-b15b-7b62fcc72af0/12.jpg#%7B%22uuid%22%3A%2285ea2f11-70b4-4a18-af03-4fef9e953713%22%2C%22w%22%3A849%2C%22h%22%3A1027%7D"> 13º - You will end with a tensioner like this one. Only one bolt to add or rest tension to the Y-Axis.  You can do it from the FRONT of the printer,  even if the LCD screen is in his place :) ENJOY! <img src="https://media.printables.com/media/prints/245401/rich_content/a02f820b-fcd8-43c3-88e3-ac8d845abc65/13.jpg#%7B%22uuid%22%3A%22daaba406-e722-4948-b412-61873e07d6a3%22%2C%22w%22%3A849%2C%22h%22%3A904%7D">

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