Saw blade with non-magnetic inserts for electric arc saw and met

Details Saw blade with non-magnetic inserts for electric arc saw and met Saw blade with non-magnetic inserts for electric arc saw and met

1987-01-15

1989-01-03

Pellinen, A. D.

Electric heating

Metal heating

Cutting or disintegrating

204212, 204280, 219 69E, B23H 712

Patent

active

047958740

ABSTRACT:
An electric arc saw blade having improved magnetic characteristics and economy including a metallic disk composed of a high strength, electrically conductive material having secured to its periphery a plurality of non-magnetic inserts composed of a second material having a relatively high electrical conductivity. The inserts are placed in radially oriented notches of the disk which define undercuts, engaged by the inserts, to transfer centrifugal forces from the insert to the high strength disk. The inserts also have grooves which engage the face of the disk rigidly to secure the inserts to the disk. The inserts are installed by cold-working or brazing and they are readily removed and replaced with new ones to thereby substantially increase the life span of the blade.

REFERENCES:
patent: 3401102 (1968-09-01), Stiff
patent: 4046984 (1977-09-01), Vial
patent: 4401875 (1983-08-01), Schlienger et al.
patent: 4532019 (1985-07-01), Kuromatsu

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