Mini Lathe V2

Open source!

The ultra-low-cost DIY lathe V2.2 version is here! (Updated and maintained on 260302, shortened the length of the tailstock, added a T6 lead screw limit block, and integrated changes from previous versions)

STEP format files have been included, fully open source

The metal BOM list and purchase links are in the document

(Subject to the following

T8 lead screw (2mm lead with trimmed nut) + bearing block

Two MGN9 guide rails 250mm long (with MGN9H extended block, mounting hole spacing 15*16)

Four M5x100mm smooth rods + 8 inner 5 outer 7 length 8 brass bushings

T6 lead screw (1mm lead with trimmed nut)

M3 screws (5, 8, 12) and several M8 heat set inserts

Spindle: one M8x70 smooth rod, five 608zz bearings (inner 8 outer 22 thick 7), 20-tooth inner bore 5mm, 40-tooth inner bore 8mm (both belt width 6mm), 200mm timing belt (GT2-6-200)

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This is the first time I've open-sourced, and the content organization is not perfect. Please forgive any shortcomings, and feel free to provide feedback in the comments or via private message

You can also find me by searching for “迁变迁变” or “mini lathe v2” on Idle Fish

260212 Update: The spindle base has been changed, details are written in the print profile. It is recommended to prioritize printing the latest version structure

260302 Update: Some issues from the period have been integrated, and some small details have been modified. It is recommended to directly print version V2.2

V3 Preview: Aluminum profile bed, finished spindle, 3-jaw chuck, 997 DC motor, all parts comply with JLCPCB CNC prototyping rules (but also largely outside the scope of 3D printing)