straightening a threaded rod

   / straightening a threaded rod
  • Thread Starter
#11  
Since I don't own a press Larry's method sounds the best. It seems challanging like Roy says. I think I will give it another shot using the lower fitting for the bend support. It should work as well as a split nut. I think I may have been too easy on the heat, I never really got it rod hot so I could bend it with just had force.
 
   / straightening a threaded rod #12  
Since I don't own a press Larry's method sounds the best. It seems challanging like Roy says. I think I will give it another shot using the lower fitting for the bend support. It should work as well as a split nut. I think I may have been too easy on the heat, I never really got it rod hot so I could bend it with just had force.
I think you used enuf heat, but not enuf force. As said by another poster, heat above a certain amount will change the metallurgy of the rod and leave it less durable. 600F is safe -- above that youre losing some of the good properties. As I recall you heated it and tried to screw it into the straight female thread to get it straight. Not effective [this does not cause very much straightening force] and a great danger of getting it galled and stuck. You need heat and sideforce, whether with a split nut, block of wood and hammer, or a lever of some sort. You will need to observe well and probably make adjustments to assure it is always bending in the place you want it to. I have straightened about 8 similarly and slightly worse bent rods. They seem as good as new. Just take care, and good luck.
larry
 
   / straightening a threaded rod #13  
Now ya'll got me worried....mine has a bit of a "kick" in it so I can only turn it so far. If I need more adjustment I pull a pin and twist the free end.
Just how did it get bent?
 
   / straightening a threaded rod #14  
Mighta pried against something as you raised or lowered.
larry
 
   / straightening a threaded rod #15  
Mighta pried against something as you raised or lowered.
larry

Or backed into an implement...
The adjustable link is pretty exposed to damage.
 
   / straightening a threaded rod #16  
I have straightened out all thread that isn't bent too bad without any heat. A press would be nice but you can do it simpler. Lay a piece of good hard oak or ash on your flat garage floor or sidewalk, lay another piece on top of it and hit the top piece pretty hard with an 8lb. sledge hammer. You may need to lay each end on a seperate board and put your top board on the middle with the bend up and give it a good whack. I have three sons and we have straightened out bent shafts, bent atv axles etc. with this method. After you get finished beating on it clean up the threads a little with a file and you should be good to go. It really isn't that hard to do.
 
   / straightening a threaded rod #17  
Kenny,

No, it is the side link. JD parts seems to indicate that I need an LVA 14231 for $230. Do you have any idea what this piece looks like, I can't seem to find an illustration in the catalog. Heck, at that price a hydrulic link would seem like the way to go :licking: . . . of course then I'd have to buy the hydrulics to go with it. :(

Maybe these documents will help...
MP33297________UN12DEC03.gif

MP38835________UN13OCT06.gif

View attachment GreaterThanh14139.pdf

View attachment LessThanH141318.pdf
 
   / straightening a threaded rod #18  
i'd cut and paste.. i've don that to ford side links transplanting thread from allthread or hard bolts.

straightening a bent threaded rod is just to fraught to fail again.

either cut n paste, or adapt one from a generic application.. or get a salvage one.

soundguy
 
   / straightening a threaded rod #19  
   / straightening a threaded rod #20  
i'd cut and paste.. i've don that to ford side links transplanting thread from allthread or hard bolts.

straightening a bent threaded rod is just to fraught to fail again.

either cut n paste, or adapt one from a generic application.. or get a salvage one.

soundguy
Ive cut and pasted when the thread was too bent. Of the ones Ive pasted, or just straightened, none had failed in the 1st place - but had been damaged by side forces. The ones straightened have not been re damaged or failed in use or been damaged in any way by their use as a link. They do what they were designed for. These things can be fixed in the time it takes to find and acquire a replacement.
larry
 

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