Large ROS for sheet material

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Forum topic by WoodenSoldier posted 09-23-2011 07:12 AM 1018 views 0 times favorited 2 replies Add to Favorites Watch
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161 posts in 2940 days

09-23-2011 07:12 AM

Topic tags/keywords: sander

Hi everyone,
I’ve been thinking of a way to squeeze some more efficiency out at work. I work in custom lighting manufacturing and one of the thing we do a lot of is sanding flat acrylic parts to give them a matte finish. For years they’ve always done it with a ROS but it’s a lot of work and really inefficient in my mind.
What I really need is something like a drum sander that moves flat pieces through on a conveyer belt, but has the sanding action of a random orbital sander.
The reason a normal drum sander doesn’t really work is because it ends up adding a directional grain to the acrylic.
Anybody have any ideas or suggestions?

-- Create something everyday.

2 replies so far

View crank49's profile


4030 posts in 2966 days

#1 posted 09-23-2011 07:38 AM

They make floor sanding machines that have a random orbital action. They look kinda like those machines that compact dirt, have a sanding pad thats about 12” square. I saw one on Craigs List recently for about $3000.

View Loren's profile


10380 posts in 3643 days

#2 posted 09-23-2011 03:11 PM

I’ve seen RO sanders with large 9—10” heads and also one with four heads on
one body covering nearly a square foot at a time. They are spendy compared
to the common smaller units, but available and designed for fine finishing.

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