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Jet 10" Jointer-Planer Combination Machine -- Set up and Review #4: Testing the Jointer

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Blog entry by Furnitude posted 12-17-2010 05:47 PM 1386 reads 0 times favorited 4 comments Add to Favorites Watch
« Part 3: Setting Things Up Part 4 of Jet 10" Jointer-Planer Combination Machine -- Set up and Review series Part 5: Good Fences Make Good Jointers »

http://furnitude.blogspot.com/2010/12/testing-jointer.html

-- Mitch, http://furnitude.blogspot.com Also blog at http://www.craftsy.com/blog/author/mitch-roberson/



4 comments so far

View horsefly's profile

horsefly

35 posts in 1447 days


#1 posted 12-17-2010 06:57 PM

Mitch, this is well done!! Thanks for taking the time and effort to document your experience and share with the rest of us. I hope this machine continues to meet your expectations. I also do not own a planer or jointer and have considered something like this but haven’t yet bit the bullet. Looking forward to your final analysis, and thanks again for sharing.

-- Bob, Carlisle, MA "The democracy will cease to exist when you take away from those who are willing to work and give to those who would not". Thomas Jefferson

View SC_Galoot's profile

SC_Galoot

30 posts in 2535 days


#2 posted 12-17-2010 08:57 PM

Mitch, I have this same machine and just finished setting mine up last weekend. I’ve read through most of your blog posts so I’ll comment on all of them here if that’s ok.

Regarding the mysterious lump/bump/raised line in the jointed board… I have this same issue. I also think that there’s probably a nick in the blade somewhere but I can’t find it. My raised line is just under 1/16th proud of the surface. It’s easy to scrape or sand off but I agree with you that it’ll soon become a pain in the @$$. The thing that confuses me is that it doesn’t appear to be in a straight line. It’s… wavey. It looks like an ant tunnel. This doesn’t make sense if there’s a nick in the blade. The only think that I can think of to explain it is that the board is drifting left to right as I move it across the blades. Is this similar to what you’re seeing? Anyway, let us know how it goes with Jet should you decided to ask for new blades.

About the fence, I agree that it’s poorly built and far from the best design. Mine is also not flat. I’m also planning on replacing it but for now I just have a piece of trustworthy mdf clamped to it. One thing I want to consider when I build a new fence is a way to adjust it across the width of the bed, so I’m not always edge jointing on the same spot of the blades. I’d love your suggestions on how to do that…

About the fence adjusting knob… I just simply unscrewed the attachment bolt and took mine off of the orange serrated nut thingy that it sits over. I was then able to easily hand tighten the serrated nut thingy to set the fence in place. I doubt I’ll bother to reintall the knob but I won’t throw it away either.

About the “height of the stand” issue. I can’t offer too much help here as I decided before I even unpacked the box that I would build a rolling plywood base for the unit to sit on. I’ve never had much luck with those screw together bases and am glad I didn’t bother with it. Right now, mine is temporarily sitting on a coffee table.

I’m planning on doing something similar to Jeremy’s stand: http://lumberjocks.com/projects/40403
Except that mine will be 40” wide to allow for more storage space, a second drawer, and fold-up infeed/outfeed support tables. I think mine will be a bit taller than his, though. I’ll post it to the projects section when I’m done with it.

View Furnitude's profile

Furnitude

339 posts in 2160 days


#3 posted 12-17-2010 09:49 PM

Thanks, Bob. And thanks, SC Galoot. I appreciate such a detailed response. The raised line I get is kind of wavy too and I think that is because of side to side motion as you pushed it across the blade. That’s my theory, anyway. I requested new blades, so I’ll keep everyone posted on when I get them.

Thanks for the thoughts on the adjusting knob. I’m caring less and less about that because I really just want to chuck that fence. I might refine my latest idea on a fence design to incorporate tracks with those hold down knobs that would allow you to adjust the fence across the table. I have to think about that a bit more. I also don’t want to go too far down that road or I’ll spend more time on jigs than actually making things. But I love all this stuff! Thanks again for writing (and reading).
Mitch

-- Mitch, http://furnitude.blogspot.com Also blog at http://www.craftsy.com/blog/author/mitch-roberson/

View spamfilterman's profile

spamfilterman

147 posts in 1675 days


#4 posted 12-20-2010 12:24 AM

I too have this unit, and I also get the raised line when planing. My line (I think I remember) is about an inch away from the front of the unit. I haven’t noticed it when jointing, I guess because I haven’t jointed that close to the front of the unit yet.
I haven’t really looked into figuring out what’s causing it. If it was just a nicked blade, wouldn’t the other blade take care of it?

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