differences between ROS and air sanders?

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Forum topic by jerkylips posted 02-06-2018 03:17 PM 1242 views 0 times favorited 4 replies Add to Favorites Watch
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495 posts in 3417 days

02-06-2018 03:17 PM

I recently saw a “dual action” air sander. Based on the description, it seemed to be for auto body work, not woodworking.

I’m curious what the differences are, and if there are any reasons not to use an air sander on wood? If you already have a compressor, the air sander was much cheaper than an electric ROS.

4 replies so far

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1478 posts in 2071 days

#1 posted 02-06-2018 03:33 PM

A lot of pro cabinet shops use air sanders as they usually have a large compressor.

The downfall is that they use a lot of air volume. So, you need to have a larger than average compressor than most hobbyists tend to have.

Check the requirements on the sander and see if it meets your specs.

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5863 posts in 1436 days

#2 posted 02-06-2018 06:23 PM

One good use is wet sanding. It’s safe since there’s no electricity involved. I have an old jiggerbug that I pull out for that purpose. Its air consumption exceeds the output of my compressor, but all that means is that I have to pause periodically while the compressor catches up.

-- Half of what we read or hear about finishing is right. We just don’t know which half! — Bob Flexner

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495 posts in 3417 days

#3 posted 02-06-2018 06:35 PM

awesome, thanks for the responses!

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#4 posted 02-06-2018 06:36 PM

My father in law used to own a body shop, I’ve used his DAs and even some of his cutting tools, all pneumatic, on wood. It’s definitely louder equipment and from what I’ve experienced there’s much less forgiveness using air tools on wood. Trigger control can be used on some wood working tools, not so much on air tools.
Just my .02¢

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