Tronxy X5SA Carriage upgrade

thingiverse

I was experiencing issues with my Tronxy X5SA due to an unlevel bed, and upon adding a glass plate, I discovered that the aluminum extrusion running front to back was being pulled down by the Z-axis linear rails, causing the nozzle to touch the bed in the middle of the glass even when there was a 0.5mm gap at the edges. At this point, I had already switched to manual bed leveling using an optical switch and eliminated the inductive probe. I also noticed that the V-slot wheels were only making contact on one side when the belts were tightened. To address this issue, I came up with a new end plate design that not only fixes the wheel alignment but also prevents twisting of the top extrusion during front-to-back print head movements. To implement this upgrade, you will need to install new aluminum extrusions above the existing printer, as the lead screw and Z-axis linear rails would otherwise restrict carriage movement. I sourced 2m of aluminum extrusion from eBay. After fitting one assembly, I noticed a significant improvement in the printer's stability. To assemble each side, you will require two gantry plates, a tensioner, and a lever, along with M5 screws for the main roller bearings (65mm long), M5 x 10 mm screws for the tensioner, and an M4 x 20 screw for the tensioner, accompanied by an M4 nut. Standard M5 washers are necessary on either side of the V-slot wheels. Fortunately, I did not need to secure the extruder carriage extrusion in place as it is firmly held by the wheel screws.