SFM Chart by Material: Max’s Guide to Speeds, RPM and Chip Load

Blown up end mill, chattered finish, burned edges that should have been clean. Walk the floor of the shop after a bad run and the tool gets blamed first. Sometimes, it is not the tool. It is the math.

Stop Smoking End Mills – One Easy Lesson

Most machinists can tell when a tool is worn. Fewer understand what is actually happening at the cutting edge – This article explains the physics of tool wear.