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Anyone use a belt/disc sander for metalwork?

Buckgnarly

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Oct 8, 2010
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VT
Thinking about getting one for metal work, like deburring and cleaning up sheetmetal edges. Grinder is too rough, need something finer.

If you do, any good discs in 10" and belts in 6"x48"?
 
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Buckgnarly

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Oct 8, 2010
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VT
Here you go:


My garage is full, otherwise I would be considering it.

Dammit, delete that!:lol_hitti. Would hate for one of the hoarders or flippers on here to find it!:bounce:

I am going to look at it tomorrow night actually!:thumbup:
 

rsanter

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Dec 22, 2007
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visalia ca
Hell yea...
They are great. I you try to use them for wood and metal use different belts and be sure to blow them out really well between uses. I want another one so I can have one for wood and the other for metal

Bob
 

yaidunno

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Feb 10, 2011
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WI
I have a Kalamazoo model S4. Its a great machine. Whatever you get, make sure its got enough power. Most units from Harbor Freight, Lowes, Menards aren't really suited for metal work.
 

WSMC633

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Jul 20, 2008
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Los Angeles, CA
Yep. I have a 6x48. Use the hell out of it. Well worth the $$ in my opinion. Use Aluminum Oxide for it. That what's most readily available. The belts last longer than the discs.... Obviously. I burn through the discs quickly. But it works well and It's sandpaper so it's a consumable. I just build it into the price.
 
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Buckgnarly

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Sweet, I am fabbing up a Jeep gask cap piece for a coworker and this looks like the perfect tool and time to pull the trigger!
 

autopts

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Jul 4, 2009
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2,268
I use the 3M 10" and I find they are a royal pain in the *** to come off. Is it me? I had Deer green and that were twice the thickness. The 3M comes off in peces. Any feedback on that issue?
 

zkling

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Jan 23, 2007
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I have a belt GRINDER that I built for metal work, primairly my knife making hobby. It is a DIY version of the famous KMG 2x72 grinder.

http://www.beaumontmetalworks.com/shop/

If you want plans send me a PM with your email address and I will send them to you. 3 hp motor on a VFD it will eat anything. 36grit for removing material FAST and up to 2000 or leather belt for that mirror finish. Extremely handy for shaping, cleaning, sharpening.

Only downside to the larger 4, 6, 8" wide wood sanders is that their belt grit range is a bit limited. For the disk side I just spray with 3m adhesive and throw on the proper grit sheet of sand paper.
 

Amitygravel

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Mar 26, 2010
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Claremont Illinois
Yup , here's my BurrKing.
1hp currently running on 110v but the Baldor motor can be setup to run 220v.
Single speed but can somewhat slow the belt speed by using less tension on the abrasive belt. The belt size is 2x72.
Right now its set up with the knifemakers attachment without the work rest.
Can also be set up with larger drive wheels which will increase belt speed. Platens are easily removed or left on and slack belt grinding done.

BD1 if you found a Burrking for 750 that's damn near a giveaway price. New machines are pushing 2 grand for basic machines.
 

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djjsr

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Sep 4, 2006
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In the cornfields
I would never be without one. I have a Delta. It's ok but certainly not industrial quality.

A couple of notes:

1) Sawdust and sparks don't play well together.

2) Be careful when you buy belts. Some of them have "thick" splices that you can definitely feel when you're sanding something against the belt. Look for belts that have a smooth splice.
 

BD1

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Mar 18, 2007
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north side
Yup , here's my BurrKing.
1hp currently running on 110v but the Baldor motor can be setup to run 220v.
Single speed but can somewhat slow the belt speed by using less tension on the abrasive belt. The belt size is 2x72.
Right now its set up with the knifemakers attachment without the work rest.
Can also be set up with larger drive wheels which will increase belt speed. Platens are easily removed or left on and slack belt grinding done.

BD1 if you found a Burrking for 750 that's damn near a giveaway price. New machines are pushing 2 grand for basic machines.

I have my powermatic belt/disc but that burr king was nice. The listing expired and it was not relisted. I really didn't want to go 750.00 Now 500 would have been nice. Plus, it would have been a 150 mile round trip. I'm
ALWAYS looking. Nice setup for sure !
 

tarbellb

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Oregon
Its a must have for any kind of metal clean up work if you ask me. Once I purchased my 6" belt/ 9" disk combo (Delta 31-695) off Craigslist for $100 I wondered how I had NOT had one before. My Delta is probably the lowest power/quality you would want to go for metal work.
Do yourself a favor, buy the best (most powerful, brand name, condition) model you can afford. It will pay for itself rapidly.

DELTA-Machinery-31-695-rw-90916-155150_zps1fa54118.jpg
[/URL]
 

Diverbill45

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Sep 10, 2005
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Lebanon, Oregon
Just make sure that you get the one for metel and NOT FOR WOOD.

On Grizzley's site they have both. If you read the description it says that the one that has a 1750 RPM speed is for wood and the one with 3450 PRM's is for metel.

A friend of mine bought the 1750 RPM model and I told him that he was getting the wrong one. Seeing that he's the type of guy that thinks he's knows almost everything about any subject and that he always buys whatever has the cheapest price, I just said "Okay, but you'll be sorry." He got it home and started using it and got mad because it didn't have enough guts to do the job, as he thought it should. I showed him the catalog and the description for both sanders and sure enough he got the wrong one. His reply was "I guess you were right."

Sometimes it's wise to read the fine print.
 

zkling

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Jan 23, 2007
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Just make sure that you get the one for metel and NOT FOR WOOD.

On Grizzley's site they have both. If you read the description it says that the one that has a 1750 RPM speed is for wood and the one with 3450 PRM's is for metel.


Can you post a link to the different models? I'm sorry but I don't believe this one bit. For a fixed HP a 1725RPM motor will have twice the torque of a 3450RPM motor. So unless the 1725RPM motor was lower in HP it should have been more powerful.

Now unless you are comparing belt speed, one may be slower to grind, but not necessary less powerful. Proper belt speed for metal is ~2000-3000 SFPM. Anything more and you risk overheating a thin edge.
 

tarbellb

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I do agree that metal belt speeds are different then wood belt speeds for optimal performance. But you can definitely use the Delta model I posted up above for both metal and wood. Ive been using mine for years now with professional results.

I think the bigger concern when it comes to "sanding" or light grinding of metal is the abrasive material. That is when you will see the difference.

Of course, if you need or can afford the metal specific machine go for it.
 

ilovevocs

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Jun 26, 2009
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Toledo, Ohio
The only downfall is the amount of space they require. I am having space issues so my disk / belt is going to get swapped out for a nice disk sander.
 
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Buckgnarly

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Got it, a gorgeous piece of 50+ year old American machinery! The J line was intended for schools from what I gathered, kind of cool thinking I may have used one years ago. Pics tomorrow, bed tonight.
 

Steevo

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Mine is a 12" disk and 6x48 belt, and it EATS metal.
I keep moving it around, because I can't figure out where it is most convenient.

i-B6Xdk9Q-L.jpg
 
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woody 73

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Apr 14, 2009
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The Great State Up North
I use mine every day because I don't have a metal lathe; mine is a very small 1 X 42 machine but it gets the job done. Wish I could find a larger machine but they don't come up for sale very often and when they do they go asap.
 

ADSR

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Jan 12, 2013
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Can you post a link to the different models? I'm sorry but I don't believe this one bit. For a fixed HP a 1725RPM motor will have twice the torque of a 3450RPM motor. So unless the 1725RPM motor was lower in HP it should have been more powerful.

My belt speed is only 1250 on mine. It's 1hp and i've tried to stall it. It just kept going. Never missed a beat.
 

jrlp

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Mar 20, 2012
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Laredo, Texas
One of those things.. you think "eh, I don't need it!" and go on your merry way for years. Then something happens, you come across a video of someone using it, a friend, or a post on GJ. Then you realize what you spent years missing out on. How many countless hours were wasted for results that were less than satisfying And realize that the tool in question would have given amazing results in seconds instead of hours.

That's when you kick yourself in the ***. A belt sander is one of those tools. Even a cheapie meant for wood instead of metal can give amazing results if you treat it right and have time. But, for beveling, squaring ends of stock, and countless other things it's hard to beat one.

Here's a prime example: You're building 1 or 2 small frames out of square stock, nothing big just 2"x2" 1/8" wall tubing, **** welded to each other at 90 degree angles.

You load your metal up in your chop saw, fence set to "eh, that looks like 90!" and cut away. You start fitting up the pieces and realize that if you square them one corner has a 1/8 or 3/16" gap. Have to play the rotate the piece and find one that fits game, or just whip out the grinder and get it close, damn went too far, now it has a gap in the opposite direction and will be too short if I grind the other side! game.

Enter Belt Sander/disc sander: Set fence up for 90 degrees, double check with square or what have you. Put stock against fence and a few seconds later perfect 90 degree angle with smooth burr free edges. Oh, you need to bevel the ends for welding? Set the fence for 45 or 60 degrees, slide the metal against it and presto! perfect bevel on each piece in seconds.

Same for dressing up welds that need to be flush and countless other things including tons of knife work!
 

nine4gmc

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Mar 24, 2012
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14,357
Location
Dallas
Got it, a gorgeous piece of 50+ year old American machinery! The J line was intended for schools from what I gathered, kind of cool thinking I may have used one years ago. Pics tomorrow, bed tonight.


Waiting for pics!
 

autopts

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Jul 4, 2009
Messages
2,268
that burr king was nice. The listing expired and it was not relisted. I really didn't want to go 750.00 Now 500 would have been nice. Plus, it would have been a 150 mile round trip. I'm
ALWAYS looking. Nice setup for sure !

I picked it up for $700 and he had about 15-20 extra 60" X 2" belts. He used it to recondition golf club irons. Runs like a champ.
 

BD1

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Mar 18, 2007
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north side
I picked it up for $700 and he had about 15-20 extra 60" X 2" belts. He used it to recondition golf club irons. Runs like a champ.

Hey, you must be kinda close to me. It looked mint in the picture. Glad you got it. I kept checking hoping he would go down. I didn't REALLY need it but
fortunately it wasn't 10 minutes down the road.
 
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