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So, I have got a stub shaft which comes off a flange which I bolt to the flywheel of my little Kubota diesel generator engine. The stub shaft is a factory Kubota item and it will be the output shaft off my flywheel. I don't have a side load bearing in front of my fly wheel, so I can't run a pulley off this output shaft. Instead, I have to connect this output shaft to a shaft set in two pillow-block bearings with a pulley in between the bearings. I can then run a belt from there to my gen head pulley.
Here's the question: what kind of coupler should I use to connect the stub shaft coming off my flywheel to the short shaft in my pillow blocks (with the pulley attached)? Do I want a solid coupler or something flexible. I assume I can get the two shafts perfectly aligned for coupling purposes.
Second question, should I put a clutch in between the shafts so I can disengage the gen head if needed?
Thoughts?
TIA,
Jordan
Last edited by RobJordan; 11/19/15.
Communists: I still hate them even after they changed their name to "liberals".
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Max horse power rating of the drive engine and output shaft diameter and pillow block shaft diameter?
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Campfire Kahuna
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Lovejoy coupler rated for the HP.
Paul
"I'd rather see a sermon than hear a sermon".... D.A.D.
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molɔ̀ːn labé skýla
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Shaft's a bad man...can you dig it?
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Max horse power rating of the drive engine and output shaft diameter and pillow block shaft diameter? Max intermittent on the engine is 13 hp. Not sure output shaft diameter. Whatever it is, no doubt I can match diameter with the input shaft. I was thinking Lovejoy, but not sure.
Last edited by RobJordan; 11/19/15.
Communists: I still hate them even after they changed their name to "liberals".
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hmmmmm. Never heard of the Falk coupler.
Communists: I still hate them even after they changed their name to "liberals".
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Rob, no offense, but have you ever heard of a guy named Rube Goldberg? 
Never holler whoa or look back in a tight place
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A lovejoy will carry the mail just fine and is easier to align - has a looser tolerance (up to 0.020" runout in most cases). I believe I would look into ditching the pillow block/ V belt and just direct couple the drive to the driven. Simple is good and you were going to buy a coupling anyway and you will not have to maintain belts, sheaves and pillow blocks...dos centavos from okieland
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hmmmmm. Never heard of the Falk coupler. Falk Coupling. Check out Motion Industries. We use them exclusively from 1/2hp to 2000hp motors.
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+100 on Motion Industries
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Lovejoy coupler rated for the HP. Yep, that is exactly what I was thinking.
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The more I think about this, the easiest route might just be to switch out the flywheel bearing for a side load capable bearing. Wonder if I'll have to pull the crank to do that? Who knows. Talk to Kubota I guess.
Thanks guys for the suggestions.
Jordan
Communists: I still hate them even after they changed their name to "liberals".
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Rob, no offense, but have you ever heard of a guy named Rube Goldberg? No offense taken. Yes, I've heard of Rube. My wife knows him well!  
Communists: I still hate them even after they changed their name to "liberals".
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Lovejoys are a POS! Frekin plastic insert goes to hell when you need the machine to run the most.
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Lovejoys are a POS! Frekin plastic insert goes to hell when you need the machine to run the most. What the falk you say?
Paul
"I'd rather see a sermon than hear a sermon".... D.A.D.
Trump Won!, Sandmann Won!, Rittenhouse Won!, Suck it Liberal Fuuktards.
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Ya know how many millwrongs have asked me to make the inserts out of steel for them...
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I think this is my solution if the price is right (Hayes bell housing with integral side load bearing and stub shaft). http://www.bing.com/search?q=hayes+...mp;cvid=bd9c67d9cee047d5b83a1699398704c7
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