If you have a stock Husqvarna 345 with .325 pitch chain you would need a 3/16" file.
http://store.chainsawr.com/
A rat tail file. Or round file. Take the file to each individual link.
To effectively use a chainsaw for cutting wood, you will need the following tools: a chainsaw with a sharp chain, safety gear such as gloves, goggles, and ear protection, a fuel mixture for the chainsaw, a bar and chain oil for lubrication, a file for sharpening the chain, and a wrench for maintenance.
To sharpen a file you need to dip it in a acid if you allow it to rust it will just get blunt.
The rakes are what regulate the amount of surface area the individual saw teeth make contact with the wood.
With a file.
It is a good idea to do it; you can use either a file or whetstone to sharpen it.
Use a 7/32" file. Maintain the current degree angle and be sure to also flat file your rakers. A file guide would probably help you qutie a bit. http://store.chainsawr.com/
To sharpen a circular saw blade with a file, you need to securely clamp the blade in place and use a flat file to carefully sharpen each tooth at the same angle. Make sure to file in one direction only and maintain a consistent angle for best results.
Yes, you can sharpen a file to improve its cutting ability by using a file card or a diamond file to remove any dull edges or burrs. This process helps to restore the file's sharpness and effectiveness in cutting materials.
to sharpen edges and make it shiny...
All you gotta do is just get a nail file and sharpen your teeth i prefer sharpening with a diamond coated nail file, and using the teeth outside your middle teeth =)
sure it might hurt you will be removing your enamel.