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Make Your Own Springs

steel wire spring make own

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#1 Mike Unwin OFFLINE  

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Posted April 16, 2014 - 07:30 AM

Morning All,

I am trying to get a old walker running again after stripping it down to clean and paint I found one broken spring for the ratchet lever in the hub. It would be simple to make one if I had some spring steel wire,what do you guys use ? I would include a picture but have camera troubles . Thanks Mike

 



#2 Alc OFFLINE  

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Posted April 16, 2014 - 07:38 AM

Years ago in machine shop class in HS one of the projects was to make a spring , if I remember correctly we chucked some round stock in a lathe with a hole in it to hold the beginning  of the spring and had the lathe turn slowly . I guess a drill would do the same . Sorry I can't remember more details



#3 boyscout862 OFFLINE  

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Posted April 16, 2014 - 07:46 AM

Check at NAPA and your local hardware store for spring assortments. You should be able to find something close. Otherwise check Utube. Good Luck, Rick


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#4 jd.rasentrac OFFLINE  

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Posted April 16, 2014 - 09:30 AM

This happens, when you make your own springs, Mike! photo-802.jpg


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#5 JD DANNELS OFFLINE  

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Posted April 16, 2014 - 10:20 AM

It certainly can be done, even in a home shop. You need hardenable spring stock in it's malable form. Then you have to harden it then temper it so it soes not break.  If your willing to do it over and over till you learn to get it tempered right you can make good springs.

In a home shop it borders on being a lost art, due to it being so easy to go to a hardware store and buy generic springs for nearly any application.

But if your a paitent person and like to learn by all means go for it.  You will be doing something that amazes your friend.

There are many sources for spring stock to work with.

The one I have dealt with is Brownells Gunsmithing supplies in Montezuma, Ia. The Nations largest supplier of Gunsmithing tools and supplies.  Their catalog is an amazing book to read.


Edited by JD DANNELS, April 16, 2014 - 10:24 AM.

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#6 Cvans ONLINE  

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Posted April 16, 2014 - 10:40 AM

Try music wire. Should be available in different diameters at hobby shops and maybe craft shops.


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#7 Mike Unwin OFFLINE  

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Posted April 16, 2014 - 01:24 PM

Soon as I get some wire it should be easy to make as I have a sample just a U shape with a short 90 degree leg on each side to keep a little pressure on the lever. Camera still down. Cheers Mike



#8 Bolens 1000 OFFLINE  

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Posted April 16, 2014 - 01:53 PM

There are quite a few ways to make springs, I got a couple old fashioned spring winder tools but have never used them yet to see what they are capable of.


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#9 JD DANNELS OFFLINE  

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Posted April 16, 2014 - 09:05 PM

There is a lot of info on making springs and how to harden and temper them. This is a good read, written from the perspective of an RC MODELER. Since modeling requires making a lot of parts and often tools yourself modelers are a good source for lots of things and use lots of music wire. I  have not built a model in over 15 yrs but would not consider my shop stocked w/o an assortment of music wire.

http://www.vaillyavi... Wire _web_.pdf

 

One thing I forgot to add and while it should go without saying. It must be said, if you use oil to quench a cherry red hot wire can ignite oil. So be careful!!


Edited by JD DANNELS, April 16, 2014 - 09:56 PM.

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#10 Cvans ONLINE  

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Posted April 16, 2014 - 10:57 PM

I still fly RC, that's why the Music wire came to mind. And your right it pays to have a few different sizes around the shop.


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#11 skyrydr2 ONLINE  

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Posted April 17, 2014 - 06:01 AM

That was a great read and works even better if the water is brined. I maintain a forging shop so we do this stuff every single day. Type of steel good for springs is 1095 . it has the proper chemistry to be "springy" . McMaster-Carr has just about any size you might desire for both flat and round spring stock.
Oil will give you better carbon introduction for softer materials where water is good for higher carbon steels. You can even harden aluminium if done correctly. It won't be as hard as steel but it will be a lot stiffer and tougher.
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#12 Mike Unwin OFFLINE  

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Posted April 17, 2014 - 06:59 AM

I have said it before you guys are soooo lucky you can order from McMaster-Carr they refuse to deal with us Canucks ! It might be a hockey thing....


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#13 Cvans ONLINE  

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Posted April 17, 2014 - 10:25 AM

JD that was a very good read. Wish I had known that when I was bending 1/4" for landing gear.



#14 JD DANNELS OFFLINE  

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Posted April 17, 2014 - 11:12 AM

JD that was a very good read. Wish I had known that when I was bending 1/4" for landing gear.

Wow 1/4"  springs you must be flying 1/4 scale?



#15 Cvans ONLINE  

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Posted April 17, 2014 - 02:11 PM

Yes, several. The only two I have left are a World Engines Robinhood 80 and a  giant Armadillo. Both built from scratch.  Had to build a larger bender to handle the 1/4" wire. If I had know your information then I could have saved myself a lot of work. So late so smart they say. :smilewink:

Now it is mostly electrics. 

Going to have to sell the IC motors I guess.


Edited by Cvans, April 17, 2014 - 02:11 PM.






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