Gear cutting – milling – or planing – Milling – With cutter holder
Patent
1988-06-15
1990-04-03
Bilinsky, Z. R.
Gear cutting, milling, or planing
Milling
With cutter holder
408239R, 279 83, 279 1E, 279 1TS, 82158, B23B 2926
Patent
active
049136070
ABSTRACT:
A tool-and-tool holder assembly includes a tool having a tool shank; a tool holder having a receiving bore arranged for accommodating a stub of the tool shank; a clamping member disposed in the stub and being movable therein, generally perpendicularly to the shank; and two clamping screws supported in the tool holder and cooperating with the clamping member for axially tightening the shank against the tool holder. Each clamping screw has a first conical face and the clamping member has recesses each bounded by a second conical face. Upon tightening the clamping screws, the respective first and second conical faces are pressed against one another for generating an axial force component urging the shank into the receiving bore. At least one of the clamping screws has a third conical face, and the clamping member has a portion projecting over one of the recesses and having a fourth conical face. Upon unscrewing the clamping screw which has the third conical face, the third and fourth conical faces are pressed to one another for gererating a second axial force component urging the shank in a direction out of the receiving bore of the tool holder.
REFERENCES:
patent: 387475 (1888-08-01), Whaling
patent: 2974967 (1961-03-01), Felmet
patent: 4352500 (1982-10-01), Blattry et al.
patent: 4617848 (1986-10-01), Eckle et al.
patent: 4714390 (1987-12-01), Eckle et al.
patent: 4772163 (1988-09-01), Scheer et al.
patent: 4797041 (1989-01-01), Glaser
patent: 4813831 (1989-03-01), Reinauer
Bilinsky Z. R.
Fried. Krupp Gesellschaft mit beschrankter Haftung
Schultz R.
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