Quote:
Originally Posted by Anthony
Eh......my reply is going to be different from others, somewhat.
Buffer trails or wheel marks (also called holograms) are not caused by dirty pads as much as they are micro-scratches caused by the rotary operator not properly finishing out their work.
So let's say we are doing a paint correction and we start with a mild compound, say Menzerna SIP and an orange pad. We level down the marring and scratches but what's left behind are now micro-scratches which take on the appearance of a flowing ribbon within the paint. If we stop here, the paint may look shiny but buffer trails are present. The paint is, what I call, "open". So to lessen the swirls we need to step down the pad to say a medium polish pad and again SIP. We have now further lessened the swirls but most likely they are still there, just finer now.
So now we move to a finer pad and also a finer polish. This step begins to "close" the paint. Think of it in terms of prepping and finishing out a furniture piece made of wood. You'll start with a coarse grit then work your way down to a fine grit which smooths over the wood. So the finer the pad and polish the fewer the swirls.
Hope this helps,
Anthony
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Thats a totally different way to how I do it
With todays diminishing abrasives, you never leave any micro scratches, swirls, buff marks or haze
With the Menzerna line, worked from 600 to 1500( sometimes up to 1700) and then burnished at 1100, 900, 750, 600 or even 1100, 1000, 900, absolutely no marks should be present
With powergloss and say yellow or black foam (edge) or yellow foam (Lake C) pads, done in the above way, there will be no marks left at all
Holograms are caused by working say Menzerna a little too long and all the lubrication has dried up
(parraffin oil and glycerin) and the diminishing abrasives have begun to turn into little balls or tiny strings at the same time
Or the lubrication is still there but the polish has been worked too long and has gone stringy
So just because the oils are still spreading, doesn't mean that the polish can be worked any more
Scenario 1
The foam pad is dry and at the speed being used (especially when rotary is not slowed down at the end), it leaves those 3D lines in the direction you've moved the machine
Scenario 2
The polish has turned into strings or balls and they have marked the finish along with the pad
With Menzerna polishes, working time is between 40 seconds and 250 seconds
Wool will always make the polish/compound work for a shorter time.
Depends on temp/humidity, pad type, type of paint (solvent, waterbased, sticky clearcoat German and british paint usually give the best working time (especially spies hecker)