Chain sharpening. Am I doing something wrong?

[Woodworks]

I find as a chain is sharpened back to near the guide marks the file starts filing the chain links. I am filing with a secondary angle of 10 degrees as believe this to be correct for the chain but have noticed in online videos many do not bother with this 10 degree secondary angle and just do the main cutting angle. The chain is an Oregan 21 LPX. Am I doing something wrong?

[Daniël Bos]

What size chain is it, and what size file are you using on it?

 

 

"Live as if you'll die tomorrow, Farm as though you'll farm forever."

 

Stephen Briggs.

[sideshow bob]

Use a file the next size down and be agressive on the depth guages simple.

[Woodworks]

The chain is a round ground chisel 21LPX 064E (reading off the box). I am using a 3/16ths file with appropriate guide.

[Big 'Ammer]

File it flat.

 

The 10 degree angle takes into account the chain canting slightly in the bar while you are sharpening it.

 

Use a 3/16 file.

[Bearded Munch]

The chain is a round ground chisel 21LPX 064E (reading off the box). I am using a 3/16ths file with appropriate guide.

 

Do it freehand I have for 40 years and had no problems.

[Peter]

File it flat, if you find your nicking the tie straps as the chain wears down switch to a smaller file size.

[GardenKit]

It really does not hurt to file a little (just a little!) off the tie straps. The ones in your slightly blurry pic look fine.

 

The chain has almost had it anyway, so you wont go down any further.

[Wolfie]

As said, the easiest way is to switch down a file size when nearing the end of the chains life.

I do regularly file at 10 degrees off flat which brings the file out of contact with the tie straps but i always file freehand - it may be more difficult if using a file guide.

 

 

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[woodland]

As said drop a file size simples