This is the rear-mounted parting tool holder for my Sherline lathe. It’s based on a design that’s been around for decades and I made it about 12 years ago, before Sherline offered one for sale. It is just a block of 6061-T6 aluminum and it cost almost nothing to make. Further on you’ll find drawings that will help you make your own.… Read the rest
Mikey
Grinding Lathe Tools on a Belt Sander – Part 3
This is the last article in Mikey’s series about grinding lathe tool bits. In part 1 he discussed his experiences with grinding bits, why he uses a belt sander instead of a bench grinder and introduced some terminology about tool bit shapes and angles. In part 2 he covered tip geometry and tool shapes in more depth. … Read the rest
Grinding Lathe Tools on a Belt Sander – Part 2
Using tip geometry
Here is a table that presents the table angles we need to set when we grind standard lathe tools. Note that the headings at the top of each column eliminate the word “angle†after each heading but otherwise matches the diagram above. The front relief (angle) in the table is the same as the end relief angle in the diagram above. … Read the rest
Grinding Lathe Tools on a Belt Sander – For the New Guy
I’m a believer. As a new guy I totally sucked at grinding lathe tools. It’s almost painful to admit how many stubby, misshapen, multi-faceted, overheated and just plain ugly lathe tools I made back then. The amazing thing is that some of those tools actually worked as well as the pre-ground tools that came with my lathe. … Read the rest