History of Making Japanese Knife in Sakai |
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| Sakai is most famous of making tradtional Japanese knives I Japan. There had been many craft-men of Japanese knives since A.C.1400. | ||
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Process of making Japanese knife - 4
Kata-Dachi & Reikan Tanren
| 1. The kitchen knife that removes the oxide film is bluntly beaten with the machine hammer (belt hammer). | 2. After bluntly beaten, put it in a wooden flame. | 3. The kitchen knife in a wooden flame is polished with a grinder on the side with Hagane attached( the back side). | 4. Sever the protruding ground metal with the cutting machine. |
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| 5. To finish it evenly on the reverse, hammer the surface even tens of times. That process is called "reikan-tanren". That makes the blade horizontal and modifies a twist, and that work requires good skill and a lot of experiences. | 6. Modify a warp and a distortion of the blade. | 7. After finishing modification, put the mark of the shop on the blade. |
8. After putting the mark, draw a line along the pattern kitchen knife on the reverse. And cuts it out with the cutting machine along the line. That work is called "Katadachi". |
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| 9. After the work of "Katadachi", finish it with a grinder and a file. | 10. Once again, modify a twist made at "Katadachi" and grinding again. |
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