Metal working – Method of mechanical manufacture – Electrical device making
Patent
1990-06-28
1993-02-09
Echols, P. W.
Metal working
Method of mechanical manufacture
Electrical device making
335306, H01F 706
Patent
active
051843951
ABSTRACT:
A process for the manufacture of magnetic field generators including the steps of: marking at least one tile made of conventional material with an identification code; cutting each marked tile into n strips having two dimensions and A--A axis orientation same as the initial tile; rotating the strips 90.degree. to obtain rotated strips having a second A--A axis orientation; selecting and rearranging the rotated strips to obtain the desired characteristics of symmetry and compensation of the magnetic characteristic variations of the input tiles; assembling the rotated strips to form a new tile with different A--A axis orientation; cutting the assembled tiles into portions or sections of predetermined geometric shape; magnetizing the sections; assembling a set of these sections into magnet forming elements; tuning the magnet forming elements; assembling the elements to obtain finished magnets; and tuning the finished magnets.
REFERENCES:
patent: H591 (1989-03-01), Leupold
patent: 3875660 (1975-04-01), Kobayashi et al.
patent: 4647887 (1987-03-01), Leupold
patent: 4893103 (1990-01-01), Leupold
patent: 4999600 (1991-03-01), Aubert
Bertora Franco
Pan Antonio
Pan Paolo
Comec S.R.L.
Echols P. W.
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