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Post by knave on Nov 27, 2019 6:32:27 GMT -5
I keep think of a small Fernco adaptor but don’t think they make one that small.
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Post by knave on Nov 27, 2019 6:37:19 GMT -5
A 5/8” fan hub and a drill press to bore the hole a bit bigger... +
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EricD
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High in the Mountains
Member since November 2019
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Post by EricD on Nov 27, 2019 7:41:11 GMT -5
Something like this 17mm to 22mm coupling would work and could be drilled larger for the driven shaft size of your choice. link
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jamesp
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Member since October 2012
Posts: 36,154
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Post by jamesp on Nov 27, 2019 10:15:25 GMT -5
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Post by knave on Nov 27, 2019 10:19:52 GMT -5
jamesp is that shaft 5/8” or 17mm? The 39 in the m# is supposed to mean standard 48 frame motor which includes 5/8” shaft.
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jamesp
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Member since October 2012
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Post by jamesp on Nov 27, 2019 11:03:49 GMT -5
A 5/8” fan hub and a drill press to bore the hole a bit bigger... + It is 17mm knave. Never knew those fan hubs existed. If they work on a fan blade they must be stout. It appears I am going to bore a stick of 1.5 inch solid shaft to 17mm since it is laying around in bone yard. One reason for not adding any extra components is a 'look' I am pursuing being - 'total simplicity'. motor/shafts/bearings - that's it. bare bones simple and concise. Sort of an art form lol, forgive my madness. It's an OCD thing. An art tumbler ha ha.
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Post by oregon on Nov 27, 2019 11:56:06 GMT -5
One reason for not adding any extra components is a 'look' I am pursuing being - 'total simplicity'. motor/shafts/bearings - that's it. bare bones simple and concise. Sort of an art form lol, forgive my madness. It's an OCD thing. An art tumbler ha ha. are both shafts going to be 1.5? if only driving one (HDPE barrels are pretty grippy?) no reason you couldn't put a smaller rod on the second - ha, mount a second motor on the second rod, some sort of easy dis-engagement for each shaft, small shaft for slow speed, large shaft for high speed. Different sized rollers would add to the the art appeal.
but yeah, at $12, 1A, just powering both rods (even the same size) with separate motors probably cheaper than pulleys & belt - ha.
Of course if you wanted arty, you could just change directions and go for the lathe gear change look...
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Post by parfive on Nov 27, 2019 12:03:24 GMT -5
The principle most likely finds its origins in similar minimalist concepts, such as Occam's razor, Leonardo da Vinci's "Simplicity is the ultimate sophistication", Shakespeare's "Brevity is the soul of wit", Mies Van Der Rohe's "Less is more", Bjarne Stroustrup's "Make Simple Tasks Simple!", or Antoine de Saint Exupéry's "It seems that perfection is reached not when there is nothing left to add, but when there is nothing left to take away". Colin Chapman, the founder of Lotus Cars, urged his designers to "Simplify, then add lightness". Heath Robinson machines and Rube Goldberg's machines, intentionally overly-complex solutions to simple tasks or problems, are humorous examples of "non-KISS" solutions.
A variant – "Make everything as simple as possible, but not simpler" – is attributed to Albert Einstein, although this may be an editor's paraphrase of a lecture he gave.
en.wikipedia.org/wiki/KISS_principle
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Post by knave on Nov 27, 2019 12:10:21 GMT -5
A 5/8” fan hub and a drill press to bore the hole a bit bigger... + It is 17mm knave. Never knew those fan hubs existed. If they work on a fan blade they must be stout. It appears I am going to bore a stick of 1.5 inch solid shaft to 17mm since it is laying around in bone yard. One reason for not adding any extra components is a 'look' I am pursuing being - 'total simplicity'. motor/shafts/bearings - that's it. bare bones simple and concise. Sort of an art form lol, forgive my madness. It's an OCD thing. An art tumbler ha ha. I know about OCD. I tend to over analyze everything. I realized if you’re using the motor bearing as one end of the shaft you will need something solid there. I like your plan.
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Post by knave on Nov 27, 2019 12:12:02 GMT -5
I do refrigeration and HVAC service. It’s a blizzard today here, (WI) now I have to head to Walmart and see about fixing the pharmacy heat. (RTU)
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Post by knave on Nov 27, 2019 12:36:40 GMT -5
In keeping with simple and zen, have them machine the bore .003” smaller than 17mm, then warm that end of the rod and slide it into place. Should be secure when cooled...
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jamesp
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Member since October 2012
Posts: 36,154
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Post by jamesp on Nov 28, 2019 6:05:14 GMT -5
One reason for not adding any extra components is a 'look' I am pursuing being - 'total simplicity'. motor/shafts/bearings - that's it. bare bones simple and concise. Sort of an art form lol, forgive my madness. It's an OCD thing. An art tumbler ha ha. are both shafts going to be 1.5? if only driving one (HDPE barrels are pretty grippy?) no reason you couldn't put a smaller rod on the second - ha, mount a second motor on the second rod, some sort of easy dis-engagement for each shaft, small shaft for slow speed, large shaft for high speed. Different sized rollers would add to the the art appeal.
but yeah, at $12, 1A, just powering both rods (even the same size) with separate motors probably cheaper than pulleys & belt - ha.
Of course if you wanted arty, you could just change directions and go for the lathe gear change look... Both shafts need to be driven and need to be the same diameter so as to run at same surface speed oregon. The HDPE is like teflon, slick and should be sitting on two driven shafts. Since they need to spin at the same speed they will be connected by v-belt or tube belt at their ends. May even groove the ends of the shafts so they will serve as sheaves and run an internally notched automotive A-belt directly on the shafts for the Zen of it. Love the 15 gears. Install a guard !! A good spot to get thine manhood caught. A vintage lathe would be the ultimate rock tumbler base being works of art.
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jamesp
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Member since October 2012
Posts: 36,154
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Post by jamesp on Nov 28, 2019 6:36:35 GMT -5
In keeping with simple and zen, have them machine the bore .003” smaller than 17mm, then warm that end of the rod and slide it into place. Should be secure when cooled... Someone better be paying you well to work on a roof top in Wisconsin winter. Hope your genetics originated from the Vikings. Got frost bite just reading that statement. -.003" for a Zen coupling eh ? love heat shrunk connections. Sweet idea. A heat issue has arisen. This one running hotter than my comfort level. Thoughts ? No place on the motor boiled water(spit) after 6 hours running with motor unloaded for what it is worth. BUT, it evaporated too fast for comfort. 180-190-200F perhaps. Will probably mount a 5 inch computer fan up close in-line blowing into opposite side of output shaft. So much for Mr. Zen man. Hell, call it a turbo he he. Very concerned about heat rise under load. Did some research. This is a common class B motor. Found these tid bits: 1) NEMA design B maximum 5% slip low starting current high locked rotor torque normal breakdown torque suited for a broad variety of applications with normal starting torques - common in HVAC application with fans, blowers and pumps 2) The research found that measuring on the exterior of the motor bell-housing within 1 in. of the output driveshaft consistently produced temperatures that were within 1 C to 2 C of the motor windings and the output side bearing assembly. Temperatures taken at the bell-housing were especially useful for fan-cooled motors since this area was unaffected by convective cooling from the fan. 3)
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jamesp
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Member since October 2012
Posts: 36,154
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Post by jamesp on Nov 28, 2019 6:48:45 GMT -5
The principle most likely finds its origins in similar minimalist concepts, such as Occam's razor, Leonardo da Vinci's "Simplicity is the ultimate sophistication", Shakespeare's "Brevity is the soul of wit", Mies Van Der Rohe's "Less is more", Bjarne Stroustrup's "Make Simple Tasks Simple!", or Antoine de Saint Exupéry's "It seems that perfection is reached not when there is nothing left to add, but when there is nothing left to take away". Colin Chapman, the founder of Lotus Cars, urged his designers to "Simplify, then add lightness". Heath Robinson machines and Rube Goldberg's machines, intentionally overly-complex solutions to simple tasks or problems, are humorous examples of "non-KISS" solutions.
A variant – "Make everything as simple as possible, but not simpler" – is attributed to Albert Einstein, although this may be an editor's paraphrase of a lecture he gave.
en.wikipedia.org/wiki/KISS_principle
"The most challenging design is the absolute simplest design" jamesp Simplest ain't always the easiest but almost always the best. "The most concisely written statement often requires the most thought." Miss Loring, 10th grade english Or simply KISSG, keep it simple stupid and genius
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jamesp
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Posts: 36,154
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Post by jamesp on Nov 28, 2019 7:09:56 GMT -5
The 1.5" shafts intended for this tumbler are 5 feet long.
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Post by knave on Nov 28, 2019 7:30:40 GMT -5
Your research got results. Good info. Sounds like a motor tailor-made for rock tumbling. Great starting torque. You are well within the operating temp range. (Ambient + 176°F with max of 266°F) Interesting, I wonder what % of your 1 amp gets converted to btu? Question for an engineer, ha! A shaft mounted fan blade of some type wouldn’t hurt.
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jamesp
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Member since October 2012
Posts: 36,154
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Post by jamesp on Nov 28, 2019 8:27:40 GMT -5
Your research got results. Good info. Sounds like a motor tailor-made for rock tumbling. Great starting torque. You are well within the operating temp range. (Ambient + 176°F with max of 266°F) Interesting, I wonder what % of your 1 amp gets converted to btu? Question for an engineer, ha! A shaft mounted fan blade of some type wouldn’t hurt. No joke, thought she was on the hot side. All for the shaft fan, cooler the better IMO. Ha, the BTU'S generated would be a question for a REAL engineer. It took two fingers and a darn good grip to stop the shaft. Could not stop it between one finger and thumb. No lack of torque. Motor is certainly Mr. Silent. Could there be some sort of centrifugal switch in that motor ? Made a video and being processed. To be posted in a few., motor is certainly Mr. Silent.
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Post by 1dave on Nov 28, 2019 10:55:56 GMT -5
A heat issue has arisen. This one running hotter than my comfort level. Thoughts ? No place on the motor boiled water(spit) after 6 hours running with motor unloaded for what it is worth. BUT, it evaporated too fast for comfort. 180-190-200F perhaps. Will probably mount a 5 inch computer fan up close in-line blowing into opposite side of output shaft. So much for Mr. Zen man. Hell, call it a turbo he he. Very concerned about heat rise under load. What size is your electrical feed wire? I bought a slab saw that the one horse motor was running hot. Th owner was feeding it with a 16 gauge lamp cord! I used a 12 gauge cord, no problem. Distance (line drop) can also cause a motor to run hot.
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jamesp
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Post by jamesp on Nov 28, 2019 11:20:26 GMT -5
I bought 14 to the motor, 16 was on the motor. Smallish wire at motor 1dave. Can never go wrong with the big wire routine. I will sure measure temp on the wire for sure. Thanks
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jamesp
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Post by jamesp on Nov 28, 2019 12:23:29 GMT -5
Video of motor. Took a lot of force to stop it, start up torque galore. Runs on hot side not loaded IMO, under 200F. Max temp is 276F. Want to do a small computer fan. Like this motor a lot. Video is hyper sound sensitive. knave, what are those clicking noises when it rose back to speed ?
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