Mingda D2 X Linear Rail Conversion
thingiverse
These are the parts needed to add linear rail on the X axis. Designed the carriage myself and remixed the X tensioner from https://www.thingiverse.com/thing:2854971 to be as short as possible so that there is space for the linear rail (get the remaining print files from there) it also acts as a carriage stopper. List of materials: 1x MGN12 linear rail 300mm with H block + enought M3X8 bolts and T-nuts 4x M3x6mm Hexagon socket head cap bolts for the carriage to bolt on the MGN12 block. 3x M3x16mm Hexagon socket head cap bolts for the extruder to bolt on the carriage. 1x Longer GT2 6mm belts for the new carriage. Keep in mind that the bed needs to rise with about 2-3mm. You'll either need to adjust the Z endstop or the leveling screws. Disclamer: This conversion is done to the older revision of the printer that does not have silent stepper drivers, seeing from pictures online it seems there are quite some changes on the newer versions of the printer so I can't guarantee that this conversion will work directly.
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