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Polishing painted alloys


rusty360

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The cast surface isn't usually too bad, a quick sand will easily level it out.

Painted rims come into work quite often that look and feel really bad but sometimes it's just the paint that's chipped with little to no damage to the alloy underneath.

Got any pics of the wheels in question?

I like a machined finish but that's because I'm too lazy to polish. That and I don't really know how to polish alloy.

0FBA4ECD-6981-4DBA-8105-37425A45ABA7.thumb.jpeg.ff83e60e09e9207f7507d484fd156717.jpeg

9684FE39-854D-414E-9875-1A402C2D1579.jpeg.952c97d9b8ab57d2b665994fb073cad0.jpeg

F92F227C-24D7-4EB3-B1F6-4FDB4AF3C460.thumb.jpeg.a07ac7016321fab970af2a48cac079a0.jpeg

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2 hours ago, a.craw4d said:

The cast surface isn't usually too bad, a quick sand will easily level it out.

Painted rims come into work quite often that look and feel really bad but sometimes it's just the paint that's chipped with little to no damage to the alloy underneath.

Got any pics of the wheels in question?

I like a machined finish but that's because I'm too lazy to polish. That and I don't really know how to polish alloy.

0FBA4ECD-6981-4DBA-8105-37425A45ABA7.thumb.jpeg.ff83e60e09e9207f7507d484fd156717.jpeg

9684FE39-854D-414E-9875-1A402C2D1579.jpeg.952c97d9b8ab57d2b665994fb073cad0.jpeg

F92F227C-24D7-4EB3-B1F6-4FDB4AF3C460.thumb.jpeg.a07ac7016321fab970af2a48cac079a0.jpeg

I'm still amazed how true you guys get those old wheels to machine them! How much do you normally machine off?

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2 hours ago, a.craw4d said:

The cast surface isn't usually too bad, a quick sand will easily level it out.

Painted rims come into work quite often that look and feel really bad but sometimes it's just the paint that's chipped with little to no damage to the alloy underneath.

Got any pics of the wheels in question?

I like a machined finish but that's because I'm too lazy to polish. That and I don't really know how to polish alloy.

0FBA4ECD-6981-4DBA-8105-37425A45ABA7.thumb.jpeg.ff83e60e09e9207f7507d484fd156717.jpeg

9684FE39-854D-414E-9875-1A402C2D1579.jpeg.952c97d9b8ab57d2b665994fb073cad0.jpeg

F92F227C-24D7-4EB3-B1F6-4FDB4AF3C460.thumb.jpeg.a07ac7016321fab970af2a48cac079a0.jpeg

Machined lip already. Just the centers are paint.

 

imagejpeg_2.jpg

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On 07/03/2022 at 22:04, rusty360 said:

I'm still amazed how true you guys get those old wheels to machine them! How much do you normally machine off?

They just go in a big 3 jaw chuck. The older wheels are a lot more rigid than all the newer crap.  Never seen a cracked hotwire.

 

Edit.

Might take up to 0.3mm off the face.  Sometimes 1mm off the outer lip where the worst curbing is.

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