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Hello,

 Not having much luck with bars recently.

Worn out 3 different makes of 60cm bars in 2 years on saws which are hardly used.

Averaging 2 chains before they not longer cut straight. Kox, Stihl and Sugihara all consigned to a nail on the garage wall.

I use Aspen bio chain oil.

This is fine on the climbing saws and bars up to 45cm but it seems not to give enough lubrication on longer bars. My 500i oiler is on it's max, the saw is always clean and yet barely 2 chains in, the grooves are worn. Before that the 441 Kox then Sugihara met the same fate.

So I've a fresh Sugi bar, sprocket and new chains on the 500i. Tomorrow, before starting felling I'll empty the Aspen chain oil back into the combi can and trial mineral oil exclusively on this saw.

See how many chains I get through this time.

  Stuart

 

 

 

 

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Don't want to state the obvious but you know you can dress the bars up to get the rails square again right?

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7 hours ago, SbTVF said:

Don't want to state the obvious but you know you can dress the bars up to get the rails square again right?

And flip the bar from time to time ........

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2 hours ago, Stubby said:

And flip the bar from time to time ........

Supposed to do it every sharpen? Think some people don't like the writing being upside down...

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5 minutes ago, HuntingHicap said:

Supposed to do it every sharpen? Think some people don't like the writing being upside down...

I don't do it every sharpen but , say every 10 sharpens just to even out the ware . . Dressing it first obviously . 

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Bars always flipped, obsessively.

As for redressing bars, I've never done this and have just looked it up.

Are the tools still sold?

I've never come across them or known anyone do it before.

Edit: I'm talking about a tool which compresses the rails together.

I have always filed off the burrs and redressed the top of the rails.

Stuart

 

 

Edited by Ty Korrigan

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Bars always flipped, obsessively.
As for redressing bars, I've never done this and have just looked it up.
Are the tools still sold?
I've never come across them or known anyone do it before.
Stuart
 
 
File file works, oil stone very good at it, oregon do a right angle file jig thing which works.

Been really living using an oil stone actually works real good. There is a great vid somewhere of a carving chatting about bar dressing. Ill see if i can find it

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Thissun




Sounds like some of they worn out bars might have a bit life left in them for you which is good news
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1 hour ago, Ty Korrigan said:

Edit: I'm talking about a tool which compresses the rails together.

If your rails are splayed you are running your chains too tight, your never going to compress the rails back evenly without some pinch point causing excessive heat, I have never even heard of a tool that compresses the rails back in.

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2 hours ago, billpierce said:

Thissun

 

 


Sounds like some of they worn out bars might have a bit life left in them for you which is good news

What a nice guy.

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