Guard around milling table

Jul 24, 2010 25 Replies

I would certainly think so. How fast does your mill turn?

2 HP CNC knee mill with 3 HP peak HP (makes it sound like it was sold by Sears, but the 3 peak HP rating is for up to 30 minutes). Max spindle speed 4,200 RPM, but I would probably run it under 3,000 RPM. i

up to 4.2k RPM, but I was told to run it under 3K RPM.

i

I have the Flexbar guard on a Clausing 5914 with a ~2 HP motor, and a max speed of 1900 rpm.

Iggy has posted the details of his mill.

Joe Gwinn

Well ... part of the problem is that a broken cutter can bounce off the workpiece or the far side guard and angle up to clear the near side guard.

What I would suggest is perhaps a couple of inches plus a curved "sneeze guard" mounted over the whole thing (perhaps to the bottom end of the quill -- or to the headstock casting) and curving down to bounce things back into the main guard.

How much you really need will be a function of how big your cutters are and how much you push them. With your machine, you've got the capability of seriously pushing them.

Good Luck, DoN.

But it would lose a lot of energy this way.

Anyway, my main reason for having a guard, is to keep chips and coolant inside the table.

DoN, think keeping chips and splashing coolant inside.

i

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