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Forum topic by JoshNZ posted 06-21-2017 06:46 AM 430 views 0 times favorited 1 reply Add to Favorites Watch
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JoshNZ

85 posts in 909 days


06-21-2017 06:46 AM

Topic tags/keywords: planer

My thickness planers gearbox spat its teeth last night. It’s a shiddy copy of a delta 22-560, has always been noisy as hell. I got done planing a board and then heard the gear lash noise slowly get a little louder, and louder… I took a step back, held up a plank to cover my face and thought, good… Eventually it popped and the feed rollers stopped turning. Teeth trickling out the bottom, all that good stuff…

I’m half way through a project and the planing is not all done yet, no such luck with a replacement gearbox here in NZ, not that I want one. I’ve just spent $1500 on a new table saw and $350 on a new cutoff saw and I couldn’t bear the thought of going out and dropping another umpteen hundred on a thicknesser. I got thinking about how to get any one of those 3 sprockets turning at 30-40RPM, then resorted to just building a crank, to get a feel for the speed and torque required.

And I really like the crank haha! You get so much control, you can feel both rollers biting and releasing, and vary your speed as neccesary. I found you could slow down to a crawl for that final pass and get quite a good finish on the board.
So the project continues for now!

I wondered about welding up a bracket to mount a window wiper motor. I have 2 spare sprockets I could patch and drill to fit the output shaft, I just wonder if it would have the torque? Would be quite neat to add a speed controller and get variable speed. Any other ideas? Other than replacing the piece of crap. I will, just not yet :|


1 reply so far

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PPK

870 posts in 648 days


#1 posted 07-06-2017 07:06 PM

Clever!

-- Pete

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