How to Manually Program the Back Chamfer on a Lathe with G-Code

In this video, Marc from @GCodeTutor demonstrates how to write a G-Code program for creating a chamfer at the back of a bore on a lathe. This technique is invaluable for eliminating the need for a second operation and streamlining your machining process.

Marc guides you through the steps, highlighting a crucial detail: when working with angles on a lathe, the X dimension represents the diameter of the part, not the radius. This means you’ll need to double any X positions when calculating the endpoints of your chamfer.

Watch the video for a comprehensive explanation on how to master back bore chamfering using G-Code!