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Finally got a normal sized jointer! Craftsman 21706

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Forum topic by William Shelley posted 05-13-2015 05:41 AM 2130 views 0 times favorited 8 replies Add to Favorites Watch
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William Shelley

149 posts in 930 days


05-13-2015 05:41 AM

It’s not an Oliver but it’s a huge step up from the Grizzly benchtop jointer I was making do with. I found this for $150 on craigslist today, and I beat out 7 other people in getting to it first. Early bird gets the worm, or, the jointer in this case. It also came with a craftsman mobile base. According to the specs on Craftsman’s website, it’s got a 2HP TEFC motor and a 4” dust port, although I appear to be missing the dust port. Bed length is 46-1/4”

It’s got a teeny bit of surface rust but that may even be from it getting rained on en-route. I haven’t run anything through it yet, but it does run smooth and quiet. The seller powered it on for me before I bought it.

Sorry for the terrible picture quality, I don’t have a decent digital camera and my cellphone is a potato when it comes to taking pictures.

-- Woodworking from an engineer's perspective


8 replies so far

View MrUnix's profile

MrUnix

4208 posts in 1660 days


#1 posted 05-13-2015 06:11 AM

Nice get and a great price. Not sure where you got the 2hp spec though… Sears AFAIK no longer sells a Craftsman branded jointer, and none are listed on either the sears or craftsman web site. The manual claims a 1hp motor, which is plenty for a 6” jointer… but the actual size is pretty easy to verify by just looking :)

The ‘dust port’ is just a plastic insert thing and should be pretty easy to replace if needed..

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

View William Shelley's profile

William Shelley

149 posts in 930 days


#2 posted 05-13-2015 06:17 AM

Whoops. Yeah I didn’t get under/inside the cabinet yet to look at everything. The smooth running and the price was enough to make me not question much when I was picking it up.

For what it’s worth, the Sears website shows it at 2HP. Although I think on a 6” jointer the only thing that could bog down even a 1hp motor would be hickory.

http://www.sears.com/craftsman-professional-6-1-8-in-jointer-planer-stationary-3/p-00921706000P

-- Woodworking from an engineer's perspective

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MrUnix

4208 posts in 1660 days


#3 posted 05-13-2015 06:49 AM


For what it s worth, the Sears website shows it at 2HP. Although I think on a 6” jointer the only thing that could bog down even a 1hp motor would be hickory.

http://www.sears.com/craftsman-professional-6-1-8-in-jointer-planer-stationary-3/p-00921706000P

LOL – that is one strange (and old) web page! “Lock-on” power button for less fatigue? Adjustable depth gauge gives precise drilling? And the infamous “Develops” up to 2hp… yet the manual states 1hp. Sounds like part jointer, part drill press :)

Cheers,
Brad

PS: And I doubt even hickory would bog it down… I’ve done live oak, which is much harder than hickory, on a 6” jointer with a 1/2 hp, no problem. As long as your knives are sharp, 1hp will handle pretty much anything you throw at it. 2hp would be overkill!

-- Brad in FL - To be old and wise, you must first be young and stupid

View dozer57's profile

dozer57

92 posts in 961 days


#4 posted 05-13-2015 03:05 PM

I have the same jointer, it works great with plenty of power. Bought mine at an auction sale for $80 and use it alot. get a 4 inch dust port as it is messy with out it, mine will plug with out a dust collector hooked up.

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William Shelley

149 posts in 930 days


#5 posted 05-13-2015 03:28 PM



I have the same jointer, it works great with plenty of power. Bought mine at an auction sale for $80 and use it alot. get a 4 inch dust port as it is messy with out it, mine will plug with out a dust collector hooked up.

- dozer57

$80 that’s a smoking deal. Do you think a shop-vac with a 2-1/2” hose would do as well as a dust collector, assuming the shop vac was only hooked to one tool at once?

-- Woodworking from an engineer's perspective

View TheFridge's profile

TheFridge

5764 posts in 947 days


#6 posted 05-13-2015 04:00 PM

Should be fine. It may clog when jointing near its 6” capacity because of the size of the chips. Only one way to find out.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

View William Shelley's profile

William Shelley

149 posts in 930 days


#7 posted 05-14-2015 08:51 PM

Well, I got it all set up last night. Even after being lifted and moved around several times, everything was still aligned perfectly. I jointed the edges of two 5ft long 1×6’s with visible bow, and after running them both through and butting the jointed edges together, there was no light visible between them for the whole length.

One thing I did notice is that the cutterhead speed seems slow. It’s a 3-knife cutterhead, supposedly spinning at 5000 RPM (no-load) but it leaves significant scallop marks on the jointed boards unless I use a quite slow feed rate.

How can I diagnose / change this? My first thought is that I could swap the motor out for a 1HP 3-phase one and install a VFD with single-phase 120v input, and overdrive the motor speed (75-90hz). My concern is that the blades might fly off.

-- Woodworking from an engineer's perspective

View Timberwolf323's profile

Timberwolf323

65 posts in 304 days


#8 posted 02-22-2016 06:52 AM

Tack weld the blades to the cutter head to be sure.

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