It’s an Angle Grinder! No, it’s a Floor Sander!

Faced with the potentially arduous task of sanding a wood floor, what would you do? Hire a pro? Rent the proper tools and do it yourself? Perhaps even shell out big bucks to buy professional grade tools? Or would you root around in your junk pile and slap together a quick and dirty floor sander from an old angle grinder?

That’s what [Donn DIY] did when looking at the wide expanse of fresh floorboards in his new sauna. Never one to take the easy way out, and apparently with a thing for angled gear boxes, [Donn DIY] took the guts out of a burnt-out angle grinder for his impromptu floor sander. A drill attached to the old motor rotor provides the spin, and a couple of pieces of scrap wood make the platen. Sandpaper strips are clamped between the discs, and as seen in the video below, the whole contraption does an admirable job.

We’ve seen lots of angle grinder hacks before, some useful, some silly. This one gets the job done and is a nice quick hack that speaks to the value of a well-stocked junk pile.

Continue reading “It’s an Angle Grinder! No, it’s a Floor Sander!”

[James] Multiplies His Floor Sander by Four

Hackaday contributor and new homeowner [James Hobson] had a dilemma on his hands. He had rented a commercial drum sander to begin a floor refinishing project. Like many before him, James was a bit too aggressive with the drum sander in places. The uneven stripes didn’t show up until the sander was returned and the floor was stained. Renting the sander again would be an expensive prospect. There had to be a better answer…

That’s when [James] put on his [Hacksmith] cape and got to work. He built himself a DIY floor sander (YouTube Link) using four Ryobi orbital sanders, some scrap wood, and a bit of ingenuity. [James] screwed the four sanders to a plywood sub plate, then added a top plate with a handle. He even gave the sander its own outlet strip so he wouldn’t be dragging four power cords behind him.

[James] found that synthetic steel wool pads weren’t cutting through the floor very well, so he upgraded to 220 grit sandpaper. That did the trick, and the sander worked great. Now he won’t have to rent a drum sander when it comes time to refinish the first floor of his new house!

Continue reading “[James] Multiplies His Floor Sander by Four”