Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1977-04-05
1978-09-12
Godici, N. P.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51144, 51145R, 142 7, B24B 2104, B24B 1702
Patent
active
041126289
ABSTRACT:
This invention relates to a duplicating grinding machine for grinding workpieces of irregular three-dimensional shape, wherein a model and at least one workpiece are mounted side by side in spaced parallel relation to one another between clamping devices so as to be synchronously rotatable about their longitudinal axes, said model and each of said workpieces having associated therewith two carrier arms each, one carrier arm associated with said model and at least one carrier arm associated with said workpiece being interconnected to form a unit and adapted to be brought into pressing engagement with said model and said associated workpiece, respectively, with one carrier arm of a first interconnected unit carrying a scanning roller for scanning said model and adapted to be translated along the length of said model and each other carrier arm of said first unit carrying a motor-driven belt grinding assembly having an endless grinding belt looped around a return roller and a contact roller, and with one carrier arm of a second interconnected unit carrying a second scanning roller for scanning said model opposite said first scanning roller, and each other carrier arm of said second unit carrying a second motor-driven belt grinding assembly disposed opposite said first belt grinding assembly and having a grinding belt provided with a different grinding layer and also looped around a return roller and a contact roller.
REFERENCES:
patent: 1375326 (1921-04-01), Schwarz
patent: 2667901 (1954-02-01), Salstrom
patent: 2896378 (1959-07-01), Keating
patent: 2963831 (1960-12-01), Voelz
patent: 4002193 (1977-01-01), Schmidt
Godici N. P.
Maschinenfabrik Zuckermann Komm. Ges.
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