Alfawise U10 T8 Anti rattel bracket

thingiverse

Recently purchased the Alfawise U10 400x400x500mm printer. The printer is pre-assembled in the box, requiring only a few minutes to assemble and get it ready for use. However, my experience was not as smooth as expected. Here are some points to watch out for when buying this printer: 1. All screws on the printer were loose, including every single screw on the entire device. 2. The y-axis wheels were not properly installed, which caused a significant issue with the printer's performance. 3. The z-axis wheels were also not installed correctly, resulting in a faulty print head movement. 4. The x-axis wheels were similarly misaligned, causing the printhead to move excessively up and down. 5. Check the filament tube on the side of the hot end; it should be inserted about 60mm deep, but mine was only 20mm in. 6. During printing, the T8 rods produced a loud rattling noise on top of the printer, which can be mitigated by installing a replacement bracket that holds a 608 bearing for guiding the rods. 7. Before powering on the printer, carefully inspect the electronics box to ensure that all terminal screws are tightened and wires are properly connected. Some specific issues I encountered include: * All terminal screws were loose, making it easy to damage the wires on the power supply and ramps board. * No wires were securely connected using ferrules or crimp terminals, which can lead to electrical safety hazards if not addressed. * The life wire had a short circuit with the ground wire due to a puncture in the wire's insulation; replacing this wire is essential for safety reasons. As I began testing the printer, I encountered numerous issues that prevented it from functioning correctly: * The test print on the bed could never be made due to loose components and insufficient power supply. * The electronic box was excessively noisy with two fans running simultaneously. * There's a significant gap where the SD card needs to be inserted into the electronics box, making it easy to miss the slot or drop the card inside. To make matters worse: * One of the couplers was extended by about 20mm, requiring replacement due to loss of its spring function. * After removing the tape from the glass bed, I discovered that one corner was broken, although it's still usable in this case. * The software cannot read subdirectories, so all print files must be placed in the root directory. After six hours of trial and error, I finally managed to get the printer working. However, my initial experience was marred by numerous issues: * Despite a quick assembly time, the printer required extensive tinkering to resolve its problems. * The print quality was decent, but the rattle of the T8 rods drove me crazy. * After creating the replacement bracket and adjusting it to hold a bearing for guiding, I encountered another issue: no filament came out during printing. Further investigation revealed that the teflon tape had been partially inserted between the heatbreak and nozzle, causing the filament to leak inside the heatblock. After cleaning out the clogged area, I realized that the tube needs to be pushed all the way into the heatbreak for proper function. Based on my experience, I strongly advise against purchasing this printer at its regular price of €465 (€230 during a flash sale). While it offers a decent build size, its quality is subpar due to a lack of quality control throughout the device.