Square Ground Chisel Chain

[RES]

The Madsens literature states that square ground chisel chain is the fastest cutting. It seems to me that round ground should give you a sharper edge. Has anyone made a comparison of the two types with regard to cutting.

 

[Stumper]

Yes, thousands of pro cutters have compared them -square ground is faster. If it weren't no one would bother since round ground is easier to grind and maintain with a file.

 

[Diesel JD]

I just bought a loop of 72CL when I get some clean big hardwoods to cut I'll tell you how it compares to my Stihl 33RS

 

[Stumper]

A prognostication: The smoothness will throw you-it won't seem aggressive but the nice flakey chips will flow out smoothly and quickly. You will wind up thinking-"Hey! This is NICE." Then it will need to be sharpened- If you don't have access to a Silvey or other high dollar grinder for square grinding you will dink around a little bit and shrug and go back to round filing-'cause it is practical.

 

[Diesel JD]

Yeah, I'm still trying to have someone tell me if a chisel file will sharpen all the angles at teh same time or if I need to approach the tooth from 2 or more directions...the Oregonmanual is clear as mud on this.

 

[Stumper]

If you are lined up correctly all angles get taken care of at once.

 

[Diesel JD]

Cool, I assumed this was so, but I wasn't positive. I'm going to go for it, square ground and hope for teh best. Another question...I know a person can round file sqaure chisel chain, but can you square grind round chisel??

 

[John Ellison]

Yes, its the same chain, just ground different. Also, dont form any opinions on sq. ground chain by how your loop of Oregon CL cuts until you file or regrind it. The factory grind is terrible, I believe a factory round grind will outcut it.

 

[bwalker]

The factory grind on Stihl square ground isnt too hot as well.

 

[Crofter]

I have not seen Stihl factory square grind but Carlton and Oregon are not very sharp out of the box. Also the angles are close to what madsens has on their site which is close to 45 Deg. Angles on side and top plate. I think Madsens does recommend different angles for competition.The factory will be only marginally faster than a round filed/ground chain. You should hit for slightly tighter angles even for a work chain and definitely so for competition.

 

[Diesel JD]

so what angle should I aim for then...what Madsens says..or go a little more aggressive?

 

[Crofter]

Depends on what you want to accomplish. If you want to learn to square file or grind, you will have to invest a fair bit of time to file or a lot of money to grind. Did you do the search I suggested on AS archives on square filing? There is many hours of reading there and pictures of various peoples work and ideas. Do some reading and see if you are still interested then do about 40 hours of filing and see if you are still interested. You can buy a grinder for about a thousand bucks but the gain might not be worth the investment for work chains. If you are interested in competion you still better do the reading.

 

[bugfart]

I would just as soon round file the chisel.
The teeth on chisel are better supporting of the tooth. They last longer and cut better than stock round.

Best of both worlds and all you need to do is remember to touch it up after every tank full. I just dink around so I bought three chisel and I might just have them done for me when they get a little use.

 

[Diesel JD]

These are work chians...not competition....but I don't make enough money at firewood or od jobs to ever justify a nice grinder. If I was in the business...if I was small I'd still file I think...I enjoy it(weir huh)?

 

[kf_tree]

These are work chians...not competition....but I don't make enough money at firewood or od jobs to ever justify a nice grinder. If I was in the business...if I was small I'd still file I think...I enjoy it(weir huh)?

you might be better off sticking to the round file. i picked up a sivey razor sharp a little while back. it's a fun little toy, but it takes me so dam long to sharpen a chain on it. i only use it for 60 72 and 84 dl chains that i use in the tree. too much hidden hardware in the big wood to risk wacking up a chain i just put so much time into.
maybe as time goes on i'll get faster with it.

 

[bugfart]

Help me out here...
I keep hearing stories about nails and hardware in these trees.

I never ask because I try to figure it out...

Now, I have seen a thoughtful pictural from a member about slabbing... and the next thing is he cut a nail in half.

Nails are not indiginous to any tree. Who the :censored: is running around shooting nails in to trees?

 

[Crofter]

Help me out here...
I keep hearing stories about nails and hardware in these trees.

I never ask because I try to figure it out...

Now, I have seen a thoughtful pictural from a member about slabbing... and the next thing is he cut a nail in half.

Nails are not indiginous to any tree. Who the :censored: is running around shooting nails in to trees?

Little boys and girls with tree houses, nice old ladies putting up notices for their church teas, fence staples, bullets; they all will haunt a city tree cutter I think.

 

[skwerl]

Let's not forget clothes lines and plant hangers, Those are the two most common in my area.