View Full Version : Speed and Power for a jointer?
Porter Bassett
08-13-2008, 10:43 PM
I have an old Craftsman 6" jointer that has no motor. How big of a motor do I need, and how fast do I want it?
Steve Schoene
08-13-2008, 11:22 PM
I'd think 1 1/2HP would be fully adequate for a 6" jointer (even 1 hp, would probably suffice). As far as speed, you want the cutterhead to be turning around 4800 rpm, give or take, so a 3450 rpm motor will achieve that with a pully just a little larger than the one on the cutter head.
Porter Bassett
08-14-2008, 12:15 AM
Excellent! That means that my decision to not get rid of my POJ Harbor Freight table saw is vindicated when I lobotomize it for its motor!
Once I get the motor on it and the blades sharpened, I'll need to set it up properly, which means I'll need a good straightedge. Where can I find a good deal on a straightedge?
Mark Rios
08-14-2008, 12:41 AM
I have to respectfully disagree. I think you need a 12hp 220V motor at somewhere around 8000 RPM so that you get a glass like finish.
JMO
:D
Porter Bassett
08-14-2008, 10:16 AM
I'll keep that in mind for... next time. When I upgrade....
Yeah, that's the ticket. :p
Mark Rios
08-14-2008, 12:09 PM
:D:D:D:D:D
Congrats on the refurb project. I'm sure you'll grab some pics for us, hmmmm? ;):D
Cliff Rohrabacher
08-14-2008, 1:46 PM
I have an old Craftsman 6" jointer that has no motor. How big of a motor do I need, and how fast do I want it?
I ran mine on a 1 HP for years and years. The cutter head is small in diameter so the power consumption is low.
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