How to Grind and Use the ‘Contrary Finishing Tool’

This excellent article was written by Bob Bickerton, a new contributor to Machinistblog.com. It was originally published to the files section of the Yahoo 7x12minilathe discussion group.

The slowest feed rate on the Mini-lathe is about .004 in/revolution. This is fine for many applications but when you want a nice, smooth turned finish the slowest rate isn’t slow enough.… Read the rest

A Homemade DRO for the 7x Mini-Lathe

This article describes how I added an easy-to-make DRO (Digital Readout) to the cross-slide of my 7×12 mini-lathe.  It uses an inexpensive digital dial indicator that I bought from Harbor Freight for about $25.  It works very well and you won’t have to drill any holes in your lathe or disassemble it to install it.… Read the rest