Author Topic: Welding Chainsaw Parts  (Read 4490 times)

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Offline aclarke

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Re: Welding Chainsaw Parts
« Reply #120 on: November 05, 2015, 01:10:28 pm »
[img http:///img]



044 bar plate repair. Owner of this saw had a real issue with throwing chains. Cut al the way into the adjuster pocket and the bar plate area wasn't flat anymore.

Offline aclarke

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Re: Welding Chainsaw Parts
« Reply #121 on: November 05, 2015, 01:15:27 pm »
[img http:///img]



Ground down to clean metal, then "sweated" out some of the oil soaked area with Mapp gas then cleaned with solvent. Still very dirty! Lol
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Offline Cut4fun .

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Re: Welding Chainsaw Parts
« Reply #122 on: November 05, 2015, 02:01:36 pm »
Havent seen one that chewed up yet. Nice work.
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Re: Welding Chainsaw Parts
« Reply #123 on: November 05, 2015, 02:20:29 pm »
Looks good Adam.   It sure was chewed up.   
Looks like you took the raised portion the bar sat on down level also.   Are you going to just use a spacer for it.
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Offline aclarke

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Re: Welding Chainsaw Parts
« Reply #124 on: November 05, 2015, 04:42:35 pm »
Saw was a mess ,Oregon faller saw.

Only took. .001-.002 off so it won't be a problem with alignment.

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Re: Welding Chainsaw Parts
« Reply #125 on: November 05, 2015, 06:30:38 pm »
Saw was a mess ,Oregon faller saw.

Only took. .001-.002 off so it won't be a problem with alignment.


I gotcha now I was looking at it wrong before.   
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Offline Cut4fun .

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Re: Welding Chainsaw Parts
« Reply #126 on: May 07, 2016, 08:19:34 am »
Oh I am sure I could do those on my Tig welder.   If you would like it is not a problem.
Roger

I bet you could too.

 Jacks shows they are still for sale and not NLA like I thought.

Out of curiosity I went to Jacks small engines and I can still get new for $5 a piece  8) 8). I guess I will just add some to my next big order to absorb the $7.99 shipping.   PN# 503424101    SPUR  $5.00   


They are NLA now. Just to update.
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Offline chy_farm

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Re: Welding Chainsaw Parts
« Reply #127 on: July 17, 2017, 08:14:45 am »
For those of you who may interested in welding this is an 8500 crankcase hit by a chain.  I wanted to show this because it can demonstrate how an edge can be built back up by using a material behind it that will not stick to the magnesium while welding. If you do not do this with thin castings such as on this saw it will just fall away when the puddle forms.

So here is the second part of welding on the 8500 case.   You can see in the before and after pictures that there was a bow on this saw at one time.   I wanted to make look like it never existed.   This was done with a backing material and just ran a bead along the edge unitl it I got it built up.  I did this from both sides so that there would be enough material to shape when done welding.

Good evening Roger, could you give me a couple of tips on there,

one:
what kind of material is that you are using for this backing? 

two:
what kind of magnesium filler do you use for them, one of the member her Srcarr52 says he is using AZ92A filler for Solo twin cover in his video.

Thanks in ahead,
Chy


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Re: Welding Chainsaw Parts
« Reply #128 on: July 17, 2017, 09:43:24 am »
Yes AZ92A is the same filler that I use on all the magnesium chainsaw parts I have welded.

For a backing I use any kind of metal that the magnesium will not stick to.   I have used some mild steel and some sheet metal.   I have also used a steel rod.   
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Offline chy_farm

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Re: Welding Chainsaw Parts
« Reply #129 on: July 18, 2017, 01:17:25 am »
Yes AZ92A is the same filler that I use on all the magnesium chainsaw parts I have welded.

For a backing I use any kind of metal that the magnesium will not stick to.   I have used some mild steel and some sheet metal.   I have also used a steel rod.   
Thanks Roger, placing a backing plate sounds very nice to me. Will have a try on this method. Also appreciate this information on the filler. Will make some report when I made some try.
Chy

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