Ridgid 4510 table saw flatness

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Forum topic by wannabe posted 02-02-2010 05:20 PM 2137 views 0 times favorited 2 replies Add to Favorites Watch
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10 posts in 3068 days

02-02-2010 05:20 PM

Topic tags/keywords: ridgid 4510 table saw

Hi all,

This is a great site and you guys are all so helpful. I had a question about the table flatness for the Ridgid 4510 portable. When the extension is extended it appears to drop down about 1/16 or 1/8 of an inch. I tried adjusting it, and got it to maybe about 1/16 with the fence added. I also noticed that the way the rails are constructed, there is a little play in them so they can move up and down a little, especially when the table is extended and a fence is added. It just looks like a necessary compromise in the design.

My question is this: is this normal for a portable or did I get a lemon? I know it’s not a contractor or hybrid saw so I can’t expect complete flatness. But I just don’t know if that’s normal or not since the only basis for comparison I have is either the display model or a portable (piece of junk) I used to own. The display models seem to have a similar problem (although not as pronounced), but it’s hard to tell if it’s just because they’re not adjusted correctly.

If it’s just the way it is, then I’ll take it since I can’t afford a much bigger saw (in space or in $$).

Thanks in advance.

-- There are no stupid questions, only stupid answers ~ Marshall Loeb

2 replies so far

View PurpLev's profile


8536 posts in 3674 days

#1 posted 02-02-2010 05:27 PM

I think it’s a design flaw in general, considering that the material for those expendable tables is aluminum, and not machines to high tolerances.

portable TS as convenient for storage when space is an issue, but when you think about it – they are really designed for construction tolerances and not fine woodworking so you gotta keep that in mind. not saying that they will not perform well, just that they have their limitations.

for cross cutting – you can make a sled to overcome that limitation. for ripping wide stock, this may not be such an issue, as you really want to keep the piece flat near the blade, and against the fence.. as long as those 2 areas are in contact it does not matter if the piece is resting on the expanded table or not. as long as the expanded table is not ABOVE your main table which till tilt your pieces off 90.

-- ㊍ When in doubt - There is no doubt - Go the safer route.

View wannabe's profile


10 posts in 3068 days

#2 posted 02-02-2010 07:56 PM


Thanks for the quick reply. I was thinking it was a design flaw. I knew I couldn’t expect complete flatness on a portable. It’s good to know it’s not just my saw. Thanks for the advice on keeping the boards flat for ripping and cross-cutting.

-- There are no stupid questions, only stupid answers ~ Marshall Loeb

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