Jet

Precision-Machined Metal Cup

Synopsis

A precision-machined metal cup created through manual milling and lathe work, emphasizing accuracy, tool control, and traditional machining techniques. This project demonstrates proficiency in subtractive manufacturing and craftsmanship using South Bend lathes and a Bridgeport mill.

March 2025

Date


Metal Working

Category


Bridgeport Mill, Manual Lathe

Tools

3D printed model for reference

Instructions to follow

Finish boring pass

Calculations

Creating a stem

Trigonometry for taper

Fly cutting the stem

Dial Indicator to re-center

Compound rest taper

Boring

Boring the inside

Slotting on the dividing head