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How straighten 30" small steel rod.

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  • 4 Post By txj33p

How straighten 30" small steel rod.

Old 06-30-2018, 12:38 PM
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Default How straighten 30" small steel rod.

Ok THT, I know there are some smart folks on here.
My kid has a tabletop rod hockey game. Like the superchexx hockey game with the dome on it, but smaller.
One of the player control rods got stepped on and slightly bent.
It's not like a kink or a hard bend, more like an arc in the rod. If you roll it on a flat surface like a pool cue on a pool table, the middle comes up maybe the thickness of a quarter.
The problem is that if you move the rod so the bend is where it passes through the table, it makes it a bit tough to turn the rod.
The rod is only about 1/8" thick, so I can bend it easily, but it's tough to eyeball exactly where the bend starts and ends.
I tried putting it on the ground and holding it so the high part is off the ground and stepping on the arched part, but there is so little arch that there really isn't room for it to bend back to a straight position. It just flexes back to the bent shape.
Anybody got any ideas?
Thanks in adavnce.
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Old 06-30-2018, 12:46 PM
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place it on a 2x4 bent side up and hit it with a hammer. Try not to smash your fingers.
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Old 06-30-2018, 12:48 PM
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Put it in a lathe. Spin by hand while measuring w dial gauge to find where and how much it is out of whack.

Heat it up and straighten it. (I like mapp gas)

Check in lathe again.

Repeat until acceptable to you.

This is just an idea but i think it will work.
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Old 06-30-2018, 12:55 PM
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Originally Posted by SEATOAD View Post
place it on a 2x4 bent side up and hit it with a hammer. Try not to smash your fingers.
I thought about that. But there is so little bend in it, I am not sure there is enough room on the underside of the bend for it to pound out. I may have to give it a try anyway.

Originally Posted by rbhankins001 View Post
Put it in a lathe. Spin by hand while measuring w dial gauge to find where and how much it is out of whack.

Heat it up and straighten it. (I like mapp gas)

Check in lathe again.

Repeat until acceptable to you.

This is just an idea but i think it will work.
I don't have a lathe. I do have a torch though. I was originally planning to heat it up and bend it back, but it's tough to do it by eye. More likely I'll just bend it in the wrong spot and make it worse.
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Old 06-30-2018, 12:59 PM
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Do you have a drill press?

You might could chuck it in a cordless drill and spin it to see the "wobble"

Good luck

Heat is your friend here
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Old 06-30-2018, 01:11 PM
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Find the high spot and push on it. It's a hockey game. No need for 0.0001" precision. Get it straight enough for him to play with it for 6 more months. After that he'll be bored with it and it will end up relegated to a yard sale find for $7.50.


OR.... go to the hardware store and buy a new rod for $1.25.

Last edited by ChrisW21; 06-30-2018 at 01:25 PM.
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Old 06-30-2018, 01:15 PM
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If you can rig some thing up where you can support at an end and middle and " bend it " on free end . Spin it slowly and when free end goes up give it a " pop " downward at its highest pt though with that length and material it may not be practical - too much spring . ideally the middle support is where the bend is . 2 bricks may work . I would probably end up on the porch hand on brick and rod , knee on brick and rod , hand applying force to rod near'ish brick .
I can't get rid of this picture but that's how small stuff is done in machine shops - material in photo is probably tungsten carbide .
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Last edited by ed d; 07-01-2018 at 05:06 AM.
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Old 06-30-2018, 01:39 PM
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Is it a special rod?

Can you just get a new piece of rod and attach the other parts?
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Old 06-30-2018, 01:39 PM
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Originally Posted by ChrisW21 View Post
OR.... go to the hardware store and buy a new rod for $1.25.
...
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Old 06-30-2018, 01:49 PM
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Originally Posted by ChrisW21 View Post
Find the high spot and push on it. It's a hockey game. No need for 0.0001" precision. Get it straight enough for him to play with it for 6 more months. After that he'll be bored with it and it will end up relegated to a yard sale find for $7.50.


OR.... go to the hardware store and buy a new rod for $1.25.
I already have a new rod. I was just thinking if I could straighten this one out I'd have an extra for the next time one of my morons steps on it.
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Old 06-30-2018, 03:05 PM
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Put the new one in the game, use the bent one to whack the one who stepped on it.
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Old 06-30-2018, 09:24 PM
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Originally Posted by superjag View Post
thinking if I could straighten this one out I'd have an extra for the next time one of my morons steps on it.
Could you "double-up" with a section of coat hanger and some solder?
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Old 07-01-2018, 12:59 AM
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new rod install, hardware stores sell them
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Old 07-01-2018, 03:28 AM
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Put a slight bend in all the rest of the rods to match.
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