Fixture for multiple parts & tandem milling example for superb finishes.

[Mook]

First, thanks for the video. Second, I would like to see the cutter and watch what it does in slow motion.

You can try slowing the video down towards the end where it is close up to see the toolpath.

The finished height of the parts is Z0 & the chamfer depth is Z-1. The parts are 0.5mm too long.

The toolpath is:

Rapid over the centre of part 1 @ Z1
Feed to Z-1 to chamfer part 1
Rapid to Z0
Feed X axis to the centre of part 2 @ Z0. Cutting the top of part 1 with the inside of the inserts & simultaneously cutting part 2 with the outside of the inserts. I call this tandem milling.
Feed to Z-1 to chamfer part 2
Rapid to Z1
Repeat.

The second video is the same except a spot drill is fitted into the cutter body and set to spot the correct depth at the chamfer depth.

The tandem milling produces a superb finish as there is no backcutting. I have a few videos to post showing the method to improve productivity & double insert life.
There is another video showing large chamfers on large parts using the inside of a face mill and it shows the huge reduction in the tool travel with this method.