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grinder in a box

2″x72″ Grinder In A Box Build (gib 2.0)

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I have always wanted a big grinder that can remove large amounts of steel quick. They are really handy for grinding metal to fit for welding, knife making and general fabrication. Years ago I got to play with a Burr king but the price always held me back. Now there are a variety of options of so called “grinder in a box” kits that you generally add a tooling arm or two, motor and wheels and you have a functional machine. I got the kit from Polar bear forge- never dwelt with them before but for $250 bucks, price was right.

The 1/2″ thick steel plates arrived in a heavy crate via flat rate. Basically these things are a bunch of 1/2 laser cut steel pieces that assemble into a 2×72 grinder with different attachments and wheels that can be put on it. I got both a flat platen and giant 12″ wheel to setup the machine.

Added a 3 hp inverter duty 3 phase motor with a Teco L510 vfd.

Here are a few pics:

Here is a short clip grinding 1/4″ steel bar:

I have always wanted a big grinder that can remove large amounts of steel quick. They are really handy for grinding metal to fit for welding, knife making…