Fews questions

K

KnifeTest

Joined
Aug 7, 2004
Messages
71
Hi alls,


Firstly if my questions are stupids or already posted here please don't blame me


1/ How to make a serrated blade on the plain edge to do a combo edge ? Can I make it my self ? With what tools ? Otherwise who can do it ?

2/ What do you thing about the non-strait edge ? Do you already use it ? Pro ? Cons ?

3/ I maked some new material by my self, it's like a plastic material, quite hard, how can I test it seriously ( I mean what is the method to follow to produce something good enough to make a handle ) ?. May be this material is already exist in the market, discovered by the industry but for me, I found this just by my self. I'm not a professional.
 
Small, rounded point files are about the only way to start putting serrations on a knife. You have to have incredibly steady hands and a firm resolve, because it's a huge amount of work.

I've used combo edges before, and don't really care for them. There never seems to be enough PE or SE to really get the job done.

As for testing a material, just try flexing a block of it that is the thickness of a handle scale. Leave it in the sun and see if it weakens. Drop it on a concrete floor, and leave it in a sink for a while. You're trying to recreate everything someone may do with a knife handled with your material.

Put a little hole in your material, and put a nail in it. Try twisting the nail laterally to break the scale. Hit it with a hammer, and expose it to hot, humid air. Leave it in the freezer for a few hours. Put oil on it, then wipe it off with alcohol. Try every scenario you can think of that you have left a knife in, and put it there.
 
You have to be very, very good with your hands, and very, very patient to try putting serrations on a knife. I wouldn't do it, personally, as there are too many ways to mess up and either hurt yourself or mess up your knife.

I have done combo to plain several times, and that's infinitely easier.
 
First I´ll say that I don´t like serrations at all, yet I have put serrations on plain edges and made serrated edges plain. Making serrations has been more like to test my abilities than to make something useful. as I said I don´t like serrations, not even in a bread knife.

That being said, here´s how I´ve done it:

To make serrations I first mark where the hollows will go with the corner of a triangular jewelers file, then make the serrations with a round or half round jewelers file, have to be good with files, careful and patient and make sure angles and depth are consistent, I don´t make the teeth one at at time but work each a little along the whole edge then go back and do each a bit more and so forth so as to get them even. I´ve use a half round diamond file (pocket eze-lap) for finishing and final sharpening.

If you want to try it first do it in a cheap knife or on a sheet of metal for practice and don´t attemp fancy things like Spyderedges until you can get simple small even teeth correctly.

To make serrated edges plain, I´ve used a coarse hone and plenty of elbow grease, like it was a long reprofiling job.

I don´t think there is a simple answer about handle materials, people have used all kinds of stuff, soft and hard, tough and brittle, all kinds of plastic, wood and metal and cord and leather and stone and delicate things like mother of pearl or ivory, the best test would be to make a handle and use it, I recently handled a couple of pocket knives with hand molded epoxy putty and they are holding fine.
 
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