knife making(Sheath knife)

May. 4/2016
In around 1986, I was absorbed in a knife making.An incomplete knife has come out of the drawer of a workbench. That slept for nearly 30 years. The shape of the handle seemed fascinating, so I decided to complete it.
1.Grind by #240, #400, #600, #800, #1000 and #1200.
2.I commissioned to quench in a company in Osaka.
3.By Rockwell hardness, 60.
4.Grinding with from #600 to #12000.
5.Buffing.
6.The next is joining of a hilt, but a blade face is ground in front of it. I think the material is probably SUS304.
7.Rivet by a pin of 2.6mm.
8.A hilt was fixed tightly.
9.The handle material is iron wood of thickness 8mm.
10.This is a black fiber spacer.
11.Ground the hilt by a file. and, Protect in a blade part so as not to damage.
12.Glue one side of the handle.
13.Drilling 4mm in the handle material from side of the knife.
14.Drilling a spot-face of 8mm.
15.Glue a fastener bolt and the handle together. A bolt is M4. The material is sus304.
16.Make the pattern of the sheath by paper.
17.Make sheath with 3 mm of leather. Marking around of the pattern.
18.Mark the drilling position by the divider, and drilling the 1.5mm by the self-made high-speed drilling machine. Sewing, This time, I used the Cremona thread of yellow and red.
19.Making a string of thong Hole. used a leather with a thickness of 1mm.
20.Dipping a sheath in lukewarm water for about 10 seconds.Then, insert a knife slowly and you match it with the sheath.
Put an edge to the knife. I believe the knife is most beautiful tool.
I made these knives 29 years ago.

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