Horizontal disc grinder work rest

T

Tin.Man

Joined
Sep 5, 2010
Messages
876
For some reason I can do my finish bevels freehand almost perfect on a horizontal disc. I'm in the process of making an aluminum box the motor sits inside and vfd mounts to the side so I can just flip it horizontal or vertical.

Anyways how would you go about a work rest for when its in setup for horizontal grinding? I have a couple 2x72 but I'd like to be able to make a knife beginning to end with just my disc grinder.

Appreciate the help
 
I've built one already, but if given the opportunity for a do-over it would be built like this.
 
Here's the Beaumont rest in my shop. Larry
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My issue with the Beaumont rest is it is far more expensive than all the other parts of my disc grinder combined. I feel like there must be a more affordable path, I just haven’t figured it out yet. I keep telling myself I’m going to design and build something myself, but I dropped the grinder on the workbench and just started using it. Now I haven’t been able to get myself to go back to finishing what I started because I’m having too much fun using the thing :oops:
 
Anyone with good shop skills can probably build one. It can be simpler than the Beaumont unit if you don't need fast and easy adjustment. If building one, look at the image above and ask,"What do i need and what can I do without?"

If you do some searches with the Custom Search Engine, you will find lots of disc grinder work rest threads. Some have CAD files available. I believe Kevin McGovern build a really nice one and had files that you could sent to a water jet cutter and get all the parts cut out. From there s is welding and assembly.
 
O.P. I felt like you in that I didn't see the need to spend a bunch of money on a work rest. I made one from 1/2" x 1" bar and a couple of pieces of 1/2" plate I scrounged from the local salvage yard. I probably don't have more than ten bucks in it including the 2x4 and the lag bolts that fasten the metal plate to the wood. You can see that it mounts to a 2x4 under the bench my grinder is mounted to and easily swings up or down out of my way.

Hope this helps!

 
I guess I said that wrong. The disc being parallel to the ground if the disk was parallel to mean wouldn't that be vertical?

So the disc face towards the ceiling is how I like to use it.

I had my disc setup like the Beaumont setup I wasn't a fan of using it in that orientation and the beaumont rest for the money I wasn't impressed with. Table was warped and holes had burrs and needed to chased threads.
 
I guess I misread. I was thinking horizontal shaft and that was what everyone else had pictured. I'm curious, what operation are you looking to do with a vertical shaft that would require a work table?
 
^^ profiling, bevel grinding, flat grinding etc. Same as most do eith the disc facing them just feels more comfortable and natural for me hence my odd query on the forums trying to figure a way to attach a work rest.

I've seen a few work rest setups from a guy on Instagram and if i remember bubble jig maker has s work rest 45 to his disc sander in that position. Also lapidary setups use similar initial setup
 
Yeah, I remember seeing Fred using a vertical shaft disc for sharpening. Looks like he has a 90 deg. fence for his made from aluminum.

 
what frame does the motor have? Beaumont and others are made for 56C which has 4 3/8-16 mounting holes. go to most motor sites and you can get enough information to make a mounting template. the mounting holes are about 4 1/2"(about 2 1/4" from center of shaft to mounting hole) apart, so you will need to make the attaching piece long enough to clear your disc. I agree that $430 is expensive for a work surface and $1200 for a motor, VFD, and mounting plate is very expensive. if you figure $20 an hour for your labor, 20 hours making the work surface and you still come out ahead. you aren't making it for sale, so a combination of plywood, aluminum, and steel will be ok.
 
Mount the disc grinder in either axis, the work rest will be the same. I have one mounted on a piece of plywood that slides in a vertical track on the end of a bench or lays flat on the top of the bench. That way it can be used in both orientations … depending on the task. I isn't fancy, but works well. If I remember, I'll take a photo out in the smithy this afternoon …. if it isn't storming again.
 
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