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HOW TO ** Remove Anodization **  RSS Feed

#301 2016-10-23 6:47am

JTRacing
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Re: HOW TO ** Remove Anodization **

x

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#302 2016-12-22 12:24pm

Indyjps
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Re: HOW TO ** Remove Anodization **

First time today.  Used an oil drain pan from Walmart with the top cut off.  Perfect fit for rims.  1/3 cup per gallon water.  Second rim it seemed to weaken up, added another 1/3 cup to the 2.5 gallon of solution. 

Stripped a pair of Weinmann 519's,  polished up a small area with no other prep and it came out like a mirror.    I'm going to lightly sand the entire rim before cut and buff with 2 compounds.  Post up pics later.

Tried stripping paint off some steel parts, didn't do much,  added another 1/3 cup,  got some wrinkling of the top coat of paint.   No Dice.


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#303 2016-12-22 4:56pm

OLDSCHOOLBMXER67
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Re: HOW TO ** Remove Anodization **

http://uploads.bmxmuseum.com/user-images/6484/received_1126698697447436585c748692.jpeg
http://uploads.bmxmuseum.com/user-images/6484/20161213_062754585c74c057.jpg
http://uploads.bmxmuseum.com/user-images/6484/20161213_063246585c74de1e.jpg
http://uploads.bmxmuseum.com/user-images/6484/20161213_064623585c750533.jpg
http://uploads.bmxmuseum.com/user-images/6484/20161213_064628585c7526dc.jpg
Took a new HUTCH stem and boiled it in hot water to get the metal good and hot.
Let the water boil for a couple min then I emptied out the water.
Then I sprayed easy off oven cleaner on the stem. With the stem hot from the boiling water. Ano came off real easy.

Now for a good polishing.

Last edited by OLDSCHOOLBMXER67 (2016-12-22 4:57pm)

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#304 2016-12-22 5:07pm

BritUS
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Re: HOW TO ** Remove Anodization **

OLDSCHOOLBMXER67 wrote:

http://uploads.bmxmuseum.com/user-image … 48692.jpeg
http://uploads.bmxmuseum.com/user-image … 74c057.jpg
http://uploads.bmxmuseum.com/user-image … 74de1e.jpg
http://uploads.bmxmuseum.com/user-image … 750533.jpg
http://uploads.bmxmuseum.com/user-image … 7526dc.jpg
Took a new HUTCH stem and boiled it in hot water to get the metal good and hot.
Let the water boil for a couple min then I emptied out the water.
Then I sprayed easy off oven cleaner on the stem. With the stem hot from the boiling water. Ano came off real easy.

Now for a good polishing.

That stem came out really nice - good job. The trick is not to leave the parts in too long otherwise the Easy Off eats the metal!


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#305 2016-12-28 2:52pm

Indyjps
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Re: HOW TO ** Remove Anodization **

http://uploads.bmxmuseum.com/user-images/236303/20161229_100114588aa7a775.jpg
Got my rims stripped, poilshed today.

In an effort to keep the aluminum from oxidizing,  I covered the rims in turtle wax ice.  I thought this stuff was gimmicky when it came out, but used it a few times on plastic trim.  Eventually started using it on my daily driver because it stays on much longer.  The nice cars get carnuba.

Anyway,  heated the ice covered rims up in th oven to 130 degrees, turned the oven off,  let them cool to touch in the oven,  waxed again.  Time will tell if it does anything or not.   Hopefully baking it, gets the wax into the surface better.

Last edited by Indyjps (2017-01-26 5:51pm)


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#306 2016-12-28 6:23pm

troynlori
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Re: HOW TO ** Remove Anodization **

You don't have to submerge a rim.  I have used containers that were about 12" long, 6" wide and 3" deep.  Put the wheel vertical at an angle and keep rotating.

Edit: Oh...and wear some gloves....

Last edited by troynlori (2016-12-28 6:23pm)


Hutch Fun Facts: All main line Hutch's with digits only S/N (no letters or baseballs) on the rear drop outs were US made and had their dropouts stamped between late '83 and '86.  Obviously the frame manufacture would occur slightly after that, even if they just threw 'em in a bucket randomly.  There is an obvious date code in that the first 2 digits seem to be the month and the 3rd digit is pretty obviously the last digit of the year running from '83-'86.

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#307 2017-01-25 7:59pm

The Fixer
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Re: HOW TO ** Remove Anodization **

I used Easy Off on these faded Takagi Tourney A/Ds - I disassembled them, sprayed the oven cleaner, and wiped it off a few seconds later. I left the OG finish on the gear since it wasn't as faded, and put on new chainring bolts.

http://uploads.bmxmuseum.com/user-images/104609/img_20140901_113300_839588973f6cf.jpg

http://uploads.bmxmuseum.com/user-images/104609/0821161902588973f6aa.jpg


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#308 2017-01-26 5:50pm

Indyjps
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Re: HOW TO ** Remove Anodization **

troynlori wrote:

You don't have to submerge a rim.  I have used containers that were about 12" long, 6" wide and 3" deep.  Put the wheel vertical at an angle and keep rotating.

Edit: Oh...and wear some gloves....

First time, wanted an even strip.  Now that I've done some parts I'm more comfortable with the process.   

Oil pan was $5,  put a gallon jug filled with water in the middle and you don't need as much chemical.


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#309 2017-03-02 12:56pm

blue78
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From: Shenango Valley, PA
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Re: HOW TO ** Remove Anodization **

Does anybody have experience removing the anodizing from a rim that has spoke hole eyelets?  I'm wondering if they are negatively affected by sodium hydroxide.

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#310 2017-04-04 9:41pm

Mercury&Solace
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From: Washington
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Re: HOW TO ** Remove Anodization **

This method worked fantastic.
Before. As you can see the red is very faded.
http://uploads.bmxmuseum.com/user-images/7205/img_742758e47526df.jpg
http://uploads.bmxmuseum.com/user-images/7205/img_742858e47526eb.jpg

After. Just a good hand polish too.
http://uploads.bmxmuseum.com/user-images/7205/img_741658e4755b17.jpg
http://uploads.bmxmuseum.com/user-images/7205/img_742158e4755b34.jpg
http://uploads.bmxmuseum.com/user-images/7205/img_741758e4755b7d.jpg
http://uploads.bmxmuseum.com/user-images/7205/img_742458e4755c6c.jpg
http://uploads.bmxmuseum.com/user-images/7205/img_742558e4755d09.jpg
http://uploads.bmxmuseum.com/user-images/7205/img_741958e4755eb5.jpg

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#311 2017-05-21 8:00pm

EthanBoyle
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Re: HOW TO ** Remove Anodization **

Heck yeah~


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#312 2017-05-30 8:31am

Green Griffin 420
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Re: HOW TO ** Remove Anodization **

X


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#313 2017-06-30 7:23am

DBViper83
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From: Dayton, OHIO
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Re: HOW TO ** Remove Anodization **

Easy Off works really well also.

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#314 2018-09-03 5:44am

K Chez
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From: Jackson, NJ
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Re: HOW TO ** Remove Anodization **

Stripped some parts last night with mixed results. Dia Comp black 990's & a GT stem came out great - anno removed with no smut and polished up nice. But a pair of Dia Tech 997's not so much. Put them in the same amount of time as the other parts and nothing. Strengthened the solution and still nothing. Left them in for 30 minutes and they didn't strip, but if you REALLY scoured them with steel wool the anno would come off, but getting into the tight corners is going to be a time consuming affair. Guessing that they are hard annodized, maybe?


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#315 2019-02-10 5:08pm

steelcouch
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Re: HOW TO ** Remove Anodization **

I tried to remove some ano from a gyro friendly cap and nut with some not so great results. sad The bath worked great but ate through the inner threads to where the cap no longer threads on. I put the pieces in the bath for a minute total. Live and Learn.

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#316 2019-02-10 5:09pm

deme
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Re: HOW TO ** Remove Anodization **

steelcouch wrote:

I tried to remove some ano from a gyro friendly cap and nut with some not so great results. sad The bath worked great but ate through the inner threads to where the cap no longer threads on. I put the pieces in the bath for a minute total. Live and Learn.

Sounds like bath was way to strong. Best to start slow with a weak solution than what just happened.  Sorry to hear that tho

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#317 2019-07-19 4:33pm

Bluegill
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Re: HOW TO ** Remove Anodization **

I just stripped the anno from some KKT and Victor pedals. The pedal bodies were blackened and it will polish off but is there a simpler way to remove the blackening other that painstakingly polishing all the nooks and crannies?

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#318 2019-07-19 4:37pm

troynlori
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Re: HOW TO ** Remove Anodization **

Those pedals are not anodized, they are painted.  Still, they are aluminum under neath and will still react with draino and produce black smut.  I think someone said something about a vinegar or something to neutralize it.  I'm not sure that's right though.


Hutch Fun Facts: All main line Hutch's with digits only S/N (no letters or baseballs) on the rear drop outs were US made and had their dropouts stamped between late '83 and '86.  Obviously the frame manufacture would occur slightly after that, even if they just threw 'em in a bucket randomly.  There is an obvious date code in that the first 2 digits seem to be the month and the 3rd digit is pretty obviously the last digit of the year running from '83-'86.

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#319 2019-07-19 4:40pm

deme
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Re: HOW TO ** Remove Anodization **

Bluegill wrote:

I just stripped the anno from some KKT and Victor pedals. The pedal bodies were blackened and it will polish off but is there a simpler way to remove the blackening other that painstakingly polishing all the nooks and crannies?

I use a nylon bristle brush to take off the smut.  best practice is to use warm water with some soap.
The way a anodizer would do it would be with a acidic bath. usually sulfuric acid.

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#320 2019-07-19 4:46pm

Knarly
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Re: HOW TO ** Remove Anodization **

deme wrote:

Bluegill wrote:

I just stripped the anno from some KKT and Victor pedals. The pedal bodies were blackened and it will polish off but is there a simpler way to remove the blackening other that painstakingly polishing all the nooks and crannies?

I use a nylon bristle brush to take off the smut.  best practice is to use warm water with some soap.
The way a anodizer would do it would be with a acidic bath. usually sulfuric acid.

Exactly right, they call it etching after the part has been stripped.


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#321 2019-07-21 8:52am

metzone
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Re: HOW TO ** Remove Anodization **

If you have a local anodizing shop they can remove the anno in seconds in there chemical bath. It is usually very inexpensive. The results are always excellent

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#322 2019-07-21 2:58pm

astroidbeltwalker
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Re: HOW TO ** Remove Anodization **

got some parts i need done if anyone is doing batches.
smile


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#323 2019-07-21 4:25pm

old bmx dad/Ted
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Re: HOW TO ** Remove Anodization **

Belt sander. lollollol


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#324 2019-07-22 3:24pm

Bluegill
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Re: HOW TO ** Remove Anodization **

troynlori wrote:

Those pedals are not anodized, they are painted.

Are you saying the KKTs are painted and not anodized?  I have another set of KKTs to strip.

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#325 2019-07-22 4:06pm

troynlori
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Re: HOW TO ** Remove Anodization **

Yup.

Put it this way...drop some paint stripper on 'em….see what happens.

Wait just a minute...


If we are talking about caged pedals, surely the cages are anodized.  Platforms were not.


Hutch Fun Facts: All main line Hutch's with digits only S/N (no letters or baseballs) on the rear drop outs were US made and had their dropouts stamped between late '83 and '86.  Obviously the frame manufacture would occur slightly after that, even if they just threw 'em in a bucket randomly.  There is an obvious date code in that the first 2 digits seem to be the month and the 3rd digit is pretty obviously the last digit of the year running from '83-'86.

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