Tronxy X1 Z-Axis Gantry Bracket
Description
I designed these brackets to fix some really bad Z wobble I had with my printer. The Z-Axis brackets that came with the printer were pretty loose which I did not like. These 2 brackets are designed to fix that issue and also are meant to replace the factory T6 lead screw with a T8 lead screw using a backlash block. If you choose to use these brackets you will also have to relocate your extruder motor. A bracket like [this](https://www.thingiverse.com/thing:2425144) is what I am using to relocate the extruder motor. For connecting the front and back brackets together you will need 3 - M5 x 50mm bolts that will stick through the V-Wheels and I would recommend using M5 lock nuts with those so they stay tight. I'm using 2 - M3 x 8mm bolts for mounting the X-Axis Stepper Motor vibration damper to the front bracket otherwise use 4 - M3 bolts if you aren't using a vibration damper. The T8 backlash block mounts to the back bracket using 2 - M5 x 20mm bolts with matching M5 nuts that fit into the backlash block (visible in the pictures).For mounting the X-Axis aluminum extrusion to the front bracket you will need 2 - M5 x 10mm bolts and 2 - M5 t-nuts. The proper length for the replacement T8 lead screw is 250mm and you'll need a 5mm to 8mm coupler to connect the T8 lead screw to the Z-Axis stepper motor shaft. Depending on what lead screw you choose will vary your steps per mm on the Z-Axis but if you use a T8 lead screw with a 'lead' of 8mm (what I'm using) then your new steps per mm is 400. If you choose to use a T8 lead screw with a different 'lead' (such as 2mm or 4mm) then use this calculator for the proper steps per mm [Steps Per MM Calculator](https://www.prusaprinters.org/calculator/). The easiest way to adjust steps per mm is by adding "M92 Z400" (or whatever your proper Z steps per mm is) to the "Start G-Code" section of your slicing software. Links to the backlash block and T8 lead screw that I am currently using can be found below! [250mm T8 8mm 'lead' lead screw](https://www.aliexpress.com/store/product/Reprap-3D-Printer-T8-Lead-Screw-Rod-OD-8mm-Pitch-2mm-Lead-8mm-L-150-350/1504095_32695606914.html?spm=2114.12010615.8148356.2.67ce76b32pX12r) [T8 Backlash Block Link](https://www.banggood.com/Trapezoidal-Screw-Nut-Seat-For-3D-Printer-p-1167104.html?rmmds=search) [3pcs - T8 Backlash Block Link](https://www.banggood.com/3PCS-T8-8mm-Lead-2mm-Pitch-T-Thread-POM-Trapezoidal-Screw-Nut-Seat-For-3D-Printer-p-1190331.html?rmmds=search)
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