MANUFACTURING PROCESS ~Sharpening Process~

Step 12. Rough Polishing

The part that makes up the blade is roughly shaved by an electric grindstone.

Step 13. Polishing the Front

The upper part of the front side is polished.

Step 14. Main Polishing

The lower part of the front side is more precisely polished.

Step 15. Back Polishing

Looking down from the top, the left side is polished to a concave shape.

Step 16. Back Side Finishing Touches

The back side is polished down to a smooth shininess with a Whetstone.

Step 17. Front Side, Buffing, Wooden Polishing Finishing Touches

The blade is buffed using a spinning wooden polishing wheel.

Step 18. Back Side Wooden Polishing Finishing Touches

Further precise polishing is applied with a wooden polishing wheel.

Step 19. Front Side Metal Finishing Touches

The front side of the blade is minutely buffed to a mirror polish.

Step 20. Finishing touches and Attaching Handle

Adjust blade to its cutting form. Attach the handle, and make inscription on the blade.