A Mini Lathe Machine is a bench-top precision tool for facing, turning, drilling, boring, and threading small metal and plastic parts. This build covers bed/slideway fabrication, spindle design, bearing preload, power transmission, feeds & speeds, and safety—excellent for diploma/degree students to demonstrate real machining capability.

Parts Used:

1. Bed & Base – Welded steel/cast bed with box/dovetail ways, chip tray, leveling feet.
2. Headstock & Spindle – EN8/EN24 spindle with tapered-roller bearings, 12–20 mm through bore, pulley/backplate.
3. Chuck & Workholding – 80–100 mm 3-jaw self-centering chuck, faceplate, centers; optional 4-jaw independent.
4. Drive System –
5. Option A: 0.5–1 HP AC induction motor + V-belt + step pulleys (guarded).
6. Option B: 500–1000 W DC/BLDC + PWM/VFD for variable speed + tachometer.
7. Carriage Assembly – Saddle, cross-slide (gib adjustment), compound slide (±45°), 4-way/quick-change tool post.
8. Leadscrew & Apron – 8–12 TPI (≈3–4 mm pitch) leadscrew, half-nuts; optional power longitudinal feed.
9. Tailstock – MT1/MT2 quill with handwheel; lateral offset for taper turning; drill chuck/live center.
10. Controls & Electricals – NVR switch, Emergency Stop, FWD/REV, fuse/MCB, motor controller enclosure.
11. Accessories – Steady/follow rest, splash guard, LED task light, mist coolant (optional), DRO scales (optional).