Keller Die Sinking machine - Practical Machinist
May 10, 2017· The tag says "Keller Die Sinking Machine" by Keller mechanical engineering Corp. It's equipped with a weldon air bearing, and it looks like the PO was using it for sharpening endmills. What was this machine used for? It looks more like a T&C grinder or single lip grinder than what I've seen of Die Sinking machines (though admittedly my ...