Auger Tube Straightening Tool

2510Paul

Well-known Member
I was faced with a New Idea Super Sheller Auger Tube that had come in contact with the trailing wagon both denting and flattening the tube. Based on some comments I saw on another forum I can up with this tool to push the dents and flat out of the auger tube. The tool consists of a scissors jack, a JD 4440 cylinder liner, and some 1" square tubing to position the tool in the tube and operate the scissors jack. Note the pin I welded in each cylinder half to index it to the hole in the scissors jack top and bottom, I think the pictures tell the rest. If anyone wants more information please let me know. Paul
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2510,

Do you weld some external angle iron on afterwards?

What keeps the bends in alignment?

Thanks for showing.

D.
 
How did you get the hole in the cylinder liner? Can they be drilled ok? Very nice. I had seen one similar years ago at a machine shop.
 
That is super slick! I love to do " tin knocking" and get great results like that. On that TV show how do they do it, they had how old musical horn and tubas etc are fixed. Give you a whole bunch of ideas how to get dents out. I use dead blow hammers amd wood blocks, also wood ground to the final shape and layed along the bend and gently tap. Makes you feel all fuzzy inside when it works!
 
Hello Dennis.

No, nothing to weld on the tube. You will note the JD 4440 cylinder liner is a little smaller than the I.D. of the tube. I would like it a little bigger but this worked very well. It did tend to oval the tube slightly but not an issue.

I just put the jack/assembly in the tube at the correct position to apply pressure to the dent or flat. Notice the measurements. The 1' square rod that is welded to lower half of the cylinder liner has measurements marked on it from the center of the cylinder.

I just rotate the 1" square rod going to the jack by hand until I can't and then I turn it 1/2 turn with the adjustable wrench just to give good pressure at the dent. This process protects the jack from damage or over forcing it. This does not take the dent out. The dent comes out nicely when I take that rectangular piece of iron and hammer and pound around the dent. It comes right out. If you are pounding out a flat area you need to start by pounding where the flat starts and then continue to pound towards the center.

I like using the rectangular piece of iron because of the flat face as opposed to the hammer face. The hammer is used to strike the iron on the other end.

The flashlight is used to help me position the tool at the correct angle once down the tube.

Like Jeff said, I also am learning how to bend metal to get the result I want. I am pretty inexperienced but I am learning.

I hope this helps. Paul
 
Thanks for the great comments.

The ring on the end of the 1" rod is for storage; just hang it on a nail or your favorite hook. :)

To store I put a big hose clamp around the jack assembly and several wire ties around the two 1" rods.

Paul
 
Hello Alan.

Yes, the cylinder liner both cut and drilled very easy.

I had to cut the top lip of the cylinder liner off. I then did some grinding on the liner to tapper any sharp edges. I did not want those sharp edges showing up in my auger tube.

Thanks. Paul
 
I've been working iron for 30 years and never would have tjought of the sissor jack. Guess I get to oearn something today! Thanks!
 
Nice work Paul. Here is one I built several years ago very same principal just a bigger diameter need. This is the second screw jack, abuse did the first one in.
Seems odd that we don't post more of these thing we build/engineer right at the need. I do things and somebody asks how I did it off the cuff I say, had a special tool made or I built. Tom
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Thanks for sharing Tom. That looks really nice. I
agree with you in that it would be nice to see those
"need based inventions". But you know how it is,
when a guy is on a mission we don't always stop to
take some pictures. Best Regards. Paul
 

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