PROCESS EVALUATING QUALITY OF STAMPED PARTS Russian patent published in 1999 - IPC

Abstract RU 2130608 C1

FIELD: plastic metal working. SUBSTANCE: quality of stamped part is tested by value of amplitude of third harmonic of normal component of emf. Measurement is performed in range of 3- 4 mm from line of thinning of material. EFFECT: simplified procedure of quality evaluation. 1 cl

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RU 2 130 608 C1

Authors

Osipov A.F.

Dates

1999-05-20Published

1996-09-13Filed