Page 1 of 1
Removing powder coating?
Posted: Sun May 14, 2023 10:16 am
by KWTownsend
I have a very nice set of Hayes wire wheels that have been powder coated. Unfortunately the brake drums were powder coated too. Both inside and out. I plan to use outside brakes along with the inside parking brakes.
What is the best way to remove the powder coating to get down to bare steel?
Thanks,
Keith
: ^ )
Re: Removing powder coating?
Posted: Sun May 14, 2023 10:33 am
by Norman Kling
Have you thought about taking some coarse sandpaper, emory cloth would even be better. fasten this to the brake shoes and put the wheel on and rotate the wheel.
Norm
Re: Removing powder coating?
Posted: Sun May 14, 2023 11:21 am
by RajoRacer
Those drums are riveted to the hub, aren't they ? Unless you wanted to remove the rivets to chuck the drums up in a lathe, Norm's idea might suffice for the inside - outside area I'd use a good file if there's room to get in there with the wheel turning very slowly.
Re: Removing powder coating?
Posted: Sun May 14, 2023 2:21 pm
by Craig Leach
Hi Keith,
I just had this conversation with the guy that doe's my powder coating. The only way he removes PC is by sandblasting. Can you make a
shield out of plywood to fit between the wheel & drum that will protect the wheel and do that. I would think a hand held sand blaster
would get the job done. Harbor freight sells a small blaster, helmet, blast media & gloves. Don't forgrt to use a good mask or resperator.
Then just sand it alittle to smooth it up. If it's good PC it will take a long time to sand it all off. If you use a die grinder & flapper wheel
you could get some high & low spots the can cause shoe wear & grabbing. The drum being part of the wheel hub makes it critical that
nothing will compromise it. Beutiful wheels.
Craig.
Re: Removing powder coating?
Posted: Sun May 14, 2023 2:37 pm
by Rich Eagle
4 ways to remove powder coating.
1. Remove powder coating with a chemical stripper by applying a thin layer on your material. Let it sit for 5-10 minutes, then scrape the coating away.
2. Remove powder coating with a sandblaster by using plastic or glass beads. Fill the blaster with your medium and move the nozzle back and forth across your material.
3. Burn-off ovens quickly and easily melt off powder coating. However, they’re expensive and can damage the surface of the material.
4. Lasers are more environmentally friendly and are less likely to damage your material. They are very pricey, though.
https://www.bing.com/ck/a?!&&p=c84c1975 ... b2F0&ntb=1
Re: Removing powder coating?
Posted: Sun May 14, 2023 2:41 pm
by speedytinc
I would be using a knotted wire wheel. I use a Makita angle grinder. Very effective on thick paints & skin. Be careful.
The idea of protective plates to keep the removal area in control is a good one. Plywood ok. an aluminum plate better.
Re: Removing powder coating?
Posted: Sun May 14, 2023 2:42 pm
by Scott_Conger
I'd blast the inside and use a clean n strip rust removing wheel on an angle grinder for the OD and stay away from the spokes
other than that, might as well just let someone strip it chemically (it is a thing) and just re-powder coat the things.
Re: Removing powder coating?
Posted: Sun May 14, 2023 3:09 pm
by SteveD
I used to powder coat. Paint stripper. Best you can find.
Re: Removing powder coating?
Posted: Sun May 14, 2023 5:10 pm
by TRDxB2
KWTownsend wrote: ↑Sun May 14, 2023 10:16 am
I have a very nice set of Hayes wire wheels that have been powder coated. Unfortunately the brake drums were powder coated too. Both inside and out. I plan to use outside brakes along with the inside parking brakes.
What is the best way to remove the powder coating to get down to bare steel?
20230511_122036.jpg
Thanks,
Keith
: ^ )
Check this video out and I'm certain you'll try it. If you can buy it in orygum
https://www.youtube.com/watch?v=yifPE18-ETY
--
--
I've used this but was harder to remove then the video
- remover.png (181.5 KiB) Viewed 1783 times
--
--
Last option is soda lasting
Re: Removing powder coating?
Posted: Sun May 14, 2023 6:45 pm
by Tim Moore
Myself, I would just put it together and let the brakes do the work where they want. Powder coat is tough but with use I still think it will come off fairly quick on the contact areas. If not needed I wouldn't want to mess up finished wheels and if you don't like the way the brakes work after a few days you could work on them after that. Brakes get hot quick, as long as the shoe material doesn't glaze the material it should be fine and only come off where it contacts.
Never had this situation though so just speculation, congratulations on the Hayes wheels, they were made not far from me in Jackson MI. I have found them in flower beds, barns and last year a pair on a hay wagon.
Tim Moore
Re: Removing powder coating?
Posted: Sun May 14, 2023 7:06 pm
by Michael Peternell
Tim Moore wrote: ↑Sun May 14, 2023 6:45 pm
Myself, I would just put it together and let the brakes do the work where they want. Powder coat is tough but with use I still think it will come off fairly quick on the contact areas. If not needed I wouldn't want to mess up finished wheels and if you don't like the way the brakes work after a few days you could work on them after that. Brakes get hot quick, as long as the shoe material doesn't glaze the material it should be fine and only come off where it contacts.
Never had this situation though so just speculation, congratulations on the Hayes wheels, they were made not far from me in Jackson MI. I have found them in flower beds, barns and last year a pair on a hay wagon.
Tim Moore
My thoughts were the same. If you're worried about Gumming up the shoe's, put some emery cloth between the shoe's and drum. Apply brakes lightly and turn the wheels by hand. Blow dust away and have at it!
Re: Removing powder coating?
Posted: Sun May 14, 2023 7:25 pm
by tdump
I would think the dust from the powder coat grinding off would mess up the abrasive material on the brake lining and make them similar to glass, and not work.
I remember when I went to chickensaw,"spelling" Oklahoma to the swap meet , in 2008 there was a nice set of wire wheels there for sale, had been powder coated a light tan or something,the fellow said the tires would slip on the beads and damage the valve stems because of the movement. If there is anything to that,I can't confirm if it happens or not,But I have no reason to doubt it.
Another concern I would have is the time it would take to sandblast that coating off, there is alot of heat generated, could it warp the wheel?
Re: Removing powder coating?
Posted: Sun May 14, 2023 7:37 pm
by Allan
I would only use mechanical means to remove the powder coat. It should give you best control, especially on the outside of the drum. Any way, the integrity of the coating will be breached, and in some applications this will allow moisture to creep under the coating and rust get a hold. if the coating is like that, it will happen where the laced spokes rub where they cross when the wheels flex under use. When this happens, the wheels could be grit blasted and enamel painted. The paint on my Chocolate van wheels has stood up well over some 30 000km and 28 years of use.
Allan from down under.
Re: Removing powder coating?
Posted: Sun May 14, 2023 8:38 pm
by Dan Hatch
It all depends on what powder was used. There are all kinds. Your refrigerator has panels that are coated then they are formed. Years ago there was a 1930 Model A at the coating expo had fenders, hood , splash aprons all made with pre coated metal. Yes, coated than stamped.
We even had a job once coating wooden toilet seats.
I would ask the coater. If he was suppose to mask those surfaces, let him get it off.