Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1990-11-30
1992-10-06
Rachuba, M.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
5116574, 5116577, 51109BS, 76 85, 76 87, 76 89, B24B 4900
Patent
active
051521059
ABSTRACT:
A device for sharpening rotary blades driven about a fixed axis of rotation, as widely used in cigarette manufacturing machines, including a pair of mutually coaxial grinding wheels distanced one from the other, angled in relation to the plane occupied by the rotary blade, rotatable about a common axis and able to traverse toward and away from the blade. The grinding wheels are mounted to a shaft capable of movement through a rectilinear path parallel to the plane occupied by the blade and set in motion by a drive system interlocked to a monitoring and control medium that is automatic in operation and programmable according to the rate of wear or loss of cutting edge of the blade. Also forming a part of the device are sensors able to indicate when the blade is totally worn, i.e. when reduced to its minimum working diameter.
REFERENCES:
patent: 3010261 (1961-11-01), Rudszinat et al.
patent: 4584917 (1986-04-01), Blon
patent: 44593705 (1986-06-01), Garthaffner
G.D. Societa 'per Azioni
Rachuba M.
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