Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Patent
1989-10-13
1991-07-09
Wieder, Kenneth A.
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Lumped type parameters
73104, 324451, B23Q 1709
Patent
active
050309200
ABSTRACT:
A method for detecting wear of a cutting tool for cutting a workpiece measures the contact resistance between the cutting tool and the workpiece for detecting wear of the cutting tool from a change in the contact resistance, whereby such wear of the cutting tool can be reliably and accurately measured.
REFERENCES:
patent: 3728621 (1973-04-01), Frost-Smith et al.
patent: 4207567 (1980-06-01), Juengel et al.
patent: 4694686 (1987-09-01), Fildes et al.
patent: 4831365 (1989-05-01), Thomas et al.
patent: 4945770 (1990-08-01), Alvelid et al.
Fasse W. G.
Kane, Jr. D. H.
Regan Maura K.
Sumitomo Electric Industries Ltd.
Wieder Kenneth A.
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