Japanese

Research Themes

Micro EDM | Micro Cutting | Micro Grinding | Micro USM | Micro ECM | Micro Shearing

Micro Shearing

Dieless Punching of Ultrasmall-Diameter Holes
The dieless punching of ultrasmall-diameter holes was attempted because it is difficult to punch such holes by conventional punching methods. As a result, a hole with a diameter smaller than 6 µm was punched in a 3-µm-thick stainless-steel sheet.

Paper Paper (KIT only) (Precision Engineering, Vol.78, 2022, pp.114-123)

Puched hole (entrance)Puched hole (exit)

Dieless Blanking using Noncylindrical Micropunches
Piercing holes using noncylindrical micropunches was attempted by dieless blanking. Square and semicircular microholes were successfully pierced in a stainless-steel sheet.

Paper Paper (KIT only) (Precision Engineering, Vol.83, 2023, pp.250-261)

Square microholeSemicircular microhole

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