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post #1 of 8 (permalink) Old 12-27-2012, 09:07 AM Thread Starter
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Default Thickness/Finishing Snder

My next shop built piece of equipment is one that I started on & dropped back in 1989. The thickness sander. At that time my father-n- law turned a 6", solid aluminum drum for me including a bore for a shaft. He provided a mating shaft and bearings as well. All for free.
I hung on to it never finishing the project until 1995 when I had completely got burned out of woodwork. I passed it on to a friend who eventually sold it. Yea long story.
I intend to build the project now using a 3/4 to 1" shaft for ridgity and either turn a drum from glued up blocks or have another aluminum drum turned. My feed bed will be a a used motorised treadmill. The drum will be approx. 28"-30" wide to finish sand cabinet sides and wide doors. I am currently drawing up the design on cad and will show my progress on this thead.
I hav'nt researched this site for someone wmay have already tackled this type of project but I will.
Any suggestions would be most appreciated
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post #2 of 8 (permalink) Old 12-27-2012, 11:34 AM
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Hi, Del; you've probably already considered this, but a really wide sander is going to require a bit of HP to drive it. My chair-maker friend's commercial model is 5 HP!
I've noticed that most of the online DIY efforts have used plywood discs mounted on the shaft, sanded to a perfect drum, under power. A 4"+ hole saw would give you a lot of discs in fairly quick order (40 discs = 30")....hmmmm, maybe you're right; a turned roller would be quicker.... how about a conveyor roller? Or a turned hardwood one?
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post #3 of 8 (permalink) Old 12-27-2012, 04:34 PM Thread Starter
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Your dead on for the process. I do have a 5 HP single phase ready for this and will most likely have an aluminum drum machined. The feeder bed will jave a seperate motor.

Good idea on the rollers though, I need to replace mine on my Makita 12" Planer/6" Joiner & my Belsaw Planer. I'll check out conveyor rollers tomorrow.

The idea is to finish sand a wide cabinet panel or door in one pass.

Happy New Year
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post #4 of 8 (permalink) Old 12-28-2012, 08:47 AM
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great idea got a tread mill given to me but the motor was not working so scraed it looking for another one will be making mine about 24 inches probably 5" drum How are you holding the sandpaper on the drum Valcro or spray addisive looking for Ideas Andy
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post #5 of 8 (permalink) Old 12-29-2012, 08:18 AM Thread Starter
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Andy-wrap around with a milled in slot on the drum with plate (wide as the paper Plus 1/2") & screws. Similar to a planer bed . Width of paper may vary from 3-5". I'll shop around for mannufaqctuered rollers as DaninVan suggested
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post #6 of 8 (permalink) Old 12-31-2012, 10:03 AM Thread Starter
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Hello Guys & Hope all have had a Merry Christmas, "Thats right Christmas not Happy Holidays"

Get this...I bought my wife the cadillack of treadmills 30" wide belt, 2-fans, air conditioning & stereo.....Ha Ha. Anyway its like new having been used for a clothes hanger all these years. Asked could I have it...................Nooooooooooo, I'm going to use it. Get a new table saw not a wife!

Anyway I came across an article which adapts your planer to change the cutter head to a sanding head. Great article but all of my planers are 12" wide. If anyone wants to follow this I will send the link.

Lastly I will still hunt for a roller 1st as DaninVan suggested.

"Don't wait till yr knee deep in sawdust before you clean up yr grandson may be in there"
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post #7 of 8 (permalink) Old 12-31-2012, 11:49 AM
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Out of curiosity, Del, I started Googling conveyor rollers. I found this really interesting discussion about them...
Universal Roll
Who knew!
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post #8 of 8 (permalink) Old 01-07-2013, 07:53 AM Thread Starter
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Thanks all. I am following up on roller suppliers & found butt loads of rollers, shafts, bearings, sprockets & will share a link w/all. One thing, after i saw the price for a 1" & 1 1/4" shaft 30" long the cost is prohibitive so i got to thinking, what machine has a long shaft??? A washing machine. Now the hunt is on for a give away. The gearbox & other parts may help. I'll provide updates.
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