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How to I polish curved panels?
Hello,
I am wondering how do you guys polish/correct small curved panels.
Specifically the back of the housing of the side marker mirrors as well as the little lip on the tail lights of corvettes. I tried to use my flex 3401 on the side marker mirrors and it was too uncontrollable.
The rear tail lights on the corvette there is a small maybe 1" lip I wanted to get some water spots out but wasnt sure what to use.
Any tips from the pros?
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Re: How to I polish curved panels?
smaller backing plate and pads. 3" dedicated polisher like the Griot's Mini or Rupes. I use a Porter Cable 7424XP as a dedicated 3" backing plate/pad combo now.
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Super Member
Re: How to I polish curved panels?
If the area is really small. You can always do it by hand, at some points it's even safer too.
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Re: How to I polish curved panels?
What speed are your running on the Flex when you did that ?
I put a spacer on my Rotary to get the machine out of the way, and a 3" or 4" backing plate..
I have to mind the edges more because I am running direct drive and keep the rpms down but it works fast for me..
Any other machine as has been already suggested, will work too !
And you know that Flex offers smaller backing plates now - however, I have never used anything but the 4-7/16" diameter backing plate and 5" pads on it..
Good luck !
Dan F
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Re: How to I polish curved panels?
Originally Posted by WA.Detailer
What speed are your running on the Flex when you did that ?
I put a spacer on my Rotary to get the machine out of the way, and a 3" or 4" backing plate..
I have to mind the edges more because I am running direct drive and keep the rpms down but it works fast for me..
Any other machine as has been already suggested, will work too !
And you know that Flex offers smaller backing plates now - however, I have never used anything but the 4-7/16" diameter backing plate and 5" pads on it..
Good luck !
Dan F
I had the flex on speed 4. I couldnt keep it on the mirror housing. It was just too much. I will have to purchase a mini or something.
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Super Member
Re: How to I polish curved panels?
Originally Posted by adower
I had the flex on speed 4. I couldnt keep it on the mirror housing. It was just too much. I will have to purchase a mini or something.
I cannot say this with absolute certainty but I am pretty sure that the paint on mirror housing would be thinner than say on your hood, and secondly, given the generally 'curvy' shape to most mirror housings, you are effectively decreasing the contact area of the pad, thereby increasing cut of the pad/polish combo.
Then add into the equation that these mirror housings are generally plastic, which do not conduct heat as well as metal panels, and in my opinion, you have a recipe for easily striking through the paint.
I would therefore caution against using a big pad, a powerful machine or a aggressive polish when working on these sections.... rather just tread very lightly and proceed with caution....
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Re: How to I polish curved panels?
Originally Posted by adower
I tried to use my flex 3401 on the side marker mirrors and it was too uncontrollable.
The reason you had a hard time controlling the tools is because you're working on a curved/rounded "object" and my guess is you're using 6.5" foam buffing pads. Let me know if this is correct but I'm pretty confident this is the case.
Due to the gear-driven design of the tool and the fact that with the larger diameter pads, if at any time you're buffing on a curved surface with just an edge or outer portion of the pad this is going to feel uncontrollable because of the "walking effect" of the gear-driven oscillating action.
If you held just the center of the pad on any portion of the mirror you would greatly reduce the felt out of round, walking effect that you describe as uncontrollable.
Originally Posted by adower
Any tips from the pros?
Yes.
First, don't give up on the tool as it's a great tool. So great in fact that I wrote a dedicated how-to book just for this tool.
Second, do yourself a huge favor and sometime in the future get the Lake Country Backing Plate Adapter Kit so you can get the 4" backing plate and this will allow you to use th 5" Lake Country Hybrid Pads and this combination of backing plate and pads really takes the effectiveness of the Flex 3401 to a higher level.
I strongly recommend this combination in my book too...
How to use the Flex 3401 for Show Car Detailing
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Re: How to I polish curved panels?
Originally Posted by Mike.Phillips@Autogeek
The reason you had a hard time controlling the tools is because you're working on a curved/rounded "object" and my guess is you're using 6.5" foam buffing pads. Let me know if this is correct but I'm pretty confident this is the case.
Due to the gear-driven design of the tool and the fact that with the larger diameter pads, if at any time you're buffing on a curved surface with just an edge or outer portion of the pad this is going to feel uncontrollable because of the "walking effect" of the gear-driven oscillating action.
If you held just the center of the pad on any portion of the mirror you would greatly reduce the felt out of round, walking effect that you describe as uncontrollable.
Yes.
First, don't give up on the tool as it's a great tool. So great in fact that I wrote a dedicated how-to book just for this tool.
Second, do yourself a huge favor and sometime in the future get the Lake Country Backing Plate Adapter Kit so you can get the 4" backing plate and this will allow you to use th 5" Lake Country Hybrid Pads and this combination of backing plate and pads really takes the effectiveness of the Flex 3401 to a higher level.
I strongly recommend this combination in my book too...
How to use the Flex 3401 for Show Car Detailing
Hi Mike!
I am actually using the 4" backing plate and 5" pads. If you can use this setup to polish out the back side of mirrors I am guessing my technique is flawed, which means more practice. What speed would you recommend I use on the flex?
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Re: How to I polish curved panels?
Originally Posted by lawrenceSA
I cannot say this with absolute certainty but I am pretty sure that the paint on mirror housing would be thinner than say on your hood, and secondly, given the generally 'curvy' shape to most mirror housings, you are effectively decreasing the contact area of the pad, thereby increasing cut of the pad/polish combo.
Then add into the equation that these mirror housings are generally plastic, which do not conduct heat as well as metal panels, and in my opinion, you have a recipe for easily striking through the paint.
I would therefore caution against using a big pad, a powerful machine or a aggressive polish when working on these sections.... rather just tread very lightly and proceed with caution....
So would you recommend using something like a rupes mini/griots?
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