LM12UU ZAV 3D printer table 36mm

thingiverse

Replacing Chinese bearings with LM12UU for printer bed guides is a complex process that requires precision. Before assembly, each bearing needs to have a 4mm Teflon tube inserted into it. This insertion step is crucial as it prevents the bearings from seizing up and ensures smooth movement of the print bed during printing operations. Failure to do so can lead to inconsistent prints, damage to the printer's mechanical components, or even render the device unusable. The LM12UU bearings are designed to provide high load capacity and low friction, making them an ideal choice for printer bed guides. They offer superior performance compared to traditional Chinese bearings often used in DIY 3D printers. To replace the Chinese bearings with LM12UU bearings, carefully disassemble the print bed guide assembly. Then, take each bearing and insert a 4mm Teflon tube into it. Once the tubes are inserted, reassemble the guide assembly and tighten all screws securely. The Teflon tubes help to reduce friction between the bearings and the print bed, allowing for smooth movement during printing operations. They also prevent the bearings from overheating due to excessive friction, which can cause damage to the printer's components over time. Replacing Chinese bearings with LM12UU bearings is a worthwhile upgrade that improves the overall performance and reliability of your DIY 3D printer.