Making a folding knife (sanmai and buffalo)

[planube]

Hello, i want to show you how i make a folding knife, the blade is a 1095 sanmai, and the handle is made from a buffalo horn. Excuse me about my poor english.

Materials:

- 1010 rectangular profile:

- Two strips of 304 inox steel:

- Two SAE 1020 strips (4 mm thickness)

- Two nickel strips (1 mm):

- One 1095 steel plate for the center:

I clean all the surfaces, except the exterior sides:

I dispose the pieces (304-1020-nickel-1095-nickel-1020-304). The 304 is in order to the pan don´t solder to the tube.

Closing the tube:

Introduct the pan in the tube:

Fill the rest with steel wool:

Handle soldered:

20 minutes in the forge:

And when it´s hot...

I press it at about 1.200 ºC:

I open the capsule:

I grind until obtain a lingot:

And i reveal with ferric chloride to see the contrast:

I stretch the lingot:

I grind the contour:

I cut it into this form:

I reveal again in order to not lose the center:

I make cuts and holes for draw the line:

I make a small bevel to mantain the 1095 in the center while forging:

And i forge the blade. First the back zone:

Then the point:

And then the edge:

 

[planube]

I grind the contour:

I reveal again:

Rectify the sides:

And make the bevel:

Reveal (again):

Now i make the heat treating. I put in it soldering spray in order to avoid decarburization:

Two normalizing cycles:

Quench in oil:

Temper:

I finish the machine grinding:

I decide that i will make a buffalo horn one-piece handle:

 

[planube]

Now i make the ring:

Now i make the spring. I start with a 1070 strip:

I forge it:

I heat treat it:

Temper into 400 ºC.

 

[planube]

I make a hollow in the horn:

I make the finishing of the ring ang glue it:

Once it dries, i polish:

I nail the spring to the handle:

I electro-engrave my logo:

I cut the nail and made the lock groove:

Then i polish the blade:

I make the lever:

I make PET rings:

I polish the conjunct:

400 grit:

600 grit:

Definitive revealing:

Hammer the blade to the handle:

 

[planube]

And this is the finished knife:

 

[Don Nguyen]

Wow. Love the details and pictures you included.

Perhaps it's just me, but I would be very frightened to quench in a plastic tub though.

 

[SleepyBadger]

wow, that was amazing. Great looking knife, I would love to see more.

 

[Phil Tham]

I enjoyed seeing your process...thanks for showing it! Very nice knife.

 

[PocketEdge]

Very enjoyable to see the process! Thanks for sharing!!!

 

[triggahappy28]

dude, this is awesome! great post!

 

[cbr900son]

Amazing!

 

[Justin King]

Very nice work.

 

[jbblount]

Wow!!!!

 

[Shawn7656]

That's a pretty sexy knife! Thanks for sharing man!!

 

[Dezmond]

That is amazing!!! A work of art my friend......

 

[12345678910]

Wow. Love the details and pictures you included.

Perhaps it's just me, but I would be very frightened to quench in a plastic tub though.

It's not just you.

I once used a plastic pail inside a metal tub.
I melted a hold in the pail.
Thankfully I had the safety tub and the oil didn't run all over the floor or catch on fire.

 

[Hitari0]

Great job, that's quite a nice knife.

 

[Jerry D.]

Wow. I was glued to this thread. Thanks!

That is a beautiful blade.

 

[planube]

It's not just you.

I once used a plastic pail inside a metal tub.
I melted a hold in the pail.
Thankfully I had the safety tub and the oil didn't run all over the floor or catch on fire.

I´m thinking about it. Probably you´re right. I will not quench in the plastic recipient, i promise you.

However, it was a small blade into 3 gallons of oil.

 

[amcardon]

That was awesome! At first I wasn't too sure what to expect, but the final knife is stellar! I am not one for folders at all, but that is beautiful!

Gracias por compartir, hermano!