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MDF vs Acrylic Discs for the WS3000

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Forum topic by jnesmith posted 10-16-2012 03:36 PM 862 views 0 times favorited 1 reply Add to Favorites Watch
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jnesmith

3 posts in 2143 days


10-16-2012 03:36 PM

Topic tags/keywords: ws3000 sharpening

Sorry to revive and old topic, but I just read this discussion: http://lumberjocks.com/projects/58528

In that discussion, David suggested acrylic discs instead of MDF discs. I will probably go with MDF< but before I make that decision, I have some questions for David (or anyone else) about the acrylic alternative when using buffing compounds. (Not sandpaper) In comment #13, David suggests: “Just adhere a thin buffing pad to the disk and use whatever grit you want..”

1) I have found acrylic to be reasonably priced at McMaster-Carr. However, I am not having the same luck with “thin buffing pads”. Macmaster has these felt pads: http://www.mcmaster.com/#felt-buffing-pads/=jqvsav However, the thinnest is 1/8” thick. Is that too thick?

2) A 36” x 36” sheet is over $100. That is just cost-prohibitive. David: What alternative pad do you suggest, and where could one buy it?

3) David suggests acrylic over MDF partly because it is much flatter. Would a piece of acrylic with a buffing pad glued to it really be any more flat than MDF? I understand the acrylic alone would be.

Thanks for any info from David, or anyone else.

P.S.

I don’t have enough posts on LJ to send a private message. If someone could ping David about this thread, I would appreciate it.


1 reply so far

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jnesmith

3 posts in 2143 days


#1 posted 10-16-2012 11:19 PM

MDF it is!

Thanks everyone.

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