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  #21 (permalink)  
Old 04-30-2007, 09:48 PM
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Red face Re: Can greaseless do the job? Pleasehelp

yeah i went back to the 150 grit to remove the 100. I am now at 220 grit (im reallly taking my time on this! I have no rush to fininsh them, cause i got spare rims in the shop)This is my very first time at polishing and the rims are for a trailer so its okay if they dont come out perfect.

As for the machine, i am using a variable speed electric sander/polisher whith
8 inch wheels.It is alot like an angle grinder. To put the compound in the wheel i turn on the machine and put the bar up to it until small chunks of the compound start flying off. Is this too much? Sorry for the dumb questions but i am completely new to this.

Last edited by CASBEN; 04-30-2007 at 09:57 PM.
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Old 05-01-2007, 06:16 AM
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Default Re: Can greaseless do the job? Pleasehelp

to load it up with regular compounds (not greaseless) just hit it on the wheel for a couple seconds. occasionally you need to "rake" the wheel to remove built up compound and metal particles.
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Old 05-02-2007, 10:34 AM
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Default Re: Can greaseless do the job? Pleasehelp

When greased compound builds up, it's either because there's not _enough_ compound on the wheel (yes, that's right), or you have not done the previous steps sufficiently.
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Old 05-31-2007, 09:38 PM
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Default Re: Can greaseless do the job? Pleasehelp

Sorry for not replying sooner but my internet was disconnected and i had lost all hopes of seeing a mirror on my wheels. But last night i started sanding them again and got to 400grit and then started buffing a small section. I am kind of proud the way it came out for a first timer, but i still aint satisfied. The reflection isnt clear but bit hazy. From far away it looks nice, but if you look closely you can notice a criss-cross patern on the surface. I worked my way from the coursest compound to the finest but i cant fix it. Am i not taking enough time for each compound to move to the next? I am not sure what causes it but i think it might be the wheels i an using. I haven't cleaned then and old compound has dried on them.

I wanted to post some pictures for you all to see what im dealing with but the pictures exceed the amount of memory i am allowed. does anyone know how i could still post them so it would be of help(copy and paste didnt seem to work)

Last edited by CASBEN; 05-31-2007 at 09:41 PM.
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Old 06-01-2007, 09:18 AM
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Default Re: Can greaseless do the job? Please help

CASBEN,

The cross-hatching you are seeing is from your sanding. You want to use a sewn wheel with Emory (black) compound until these scratches are buffed out. By all means you want to clean your buff of the used compound, this will hamper your buffing effort. Just lightly touch the compound to your wheel and replenish when necessary. After buffing you can use acetone or brake cleaner to clean the compound off your metal.

John
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Old 06-01-2007, 01:53 PM
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Default Re: Can greaseless do the job? Pleasehelp

I dont think the criss-cross patern is from the sanding. I used a da sander to sand them and the scratches were circular. The buffing wheels are the ones i used at 90 degrees befor the previus. I want to post some pictures but need help on doing it.
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Old 06-10-2007, 01:18 PM
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Default Re: Can greaseless do the job? Pleasehelp

[IMG]C:\Documents and Settings\Administrator\Desktop\DSC00738.jpg[/IMG]
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Old 06-10-2007, 02:04 PM
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Default Re: Can greaseless do the job? Pleasehelp

I finally managed to make the pics smaller. This is how it looks after i sanded to 400g and worked my way from the black to the white compound. The surface is very smooth but not very shiny. I have tried diferent ways to do it but so far this is the best it has comed out
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Old 06-10-2007, 06:29 PM
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Default Re: Can greaseless do the job? Pleasehelp

on my friend's wheels i kept getting a haze like that when i went to brown or white. i eventually used emory on a cushion buff and left it at that. it looks good enough for him to be happy with it so i am too.
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