Mandrel for receiving the tool in a hobbing machine or a similar

Details Mandrel for receiving the tool in a hobbing machine or a similar Mandrel for receiving the tool in a hobbing machine or a similar

1977-04-22

1979-02-06

Culver, Horace M.

90 4, B23Q 314, B23F 522

Patent

active

041378229

ABSTRACT:
A mandrel for receiving the tool of a tool machine which has cones on both ends thereof for centering the mandrel in a tool machine spindle. Securing structure is provided for securing the mandrel to the tool machine spindle so that rotational drive is provided therefor. A stop is provided on one end of the mandrel intermediate the two cones and a cylinder-like device is provided at the end remote therefrom but also spaced inwardly from the cones. A piston is reciprocably mounted in the cylinder and engages a tool mounted on the mandrel. An application of pressure to the cylinder will cause an axial movement of the piston to engage the tool to effect a clamping of the tool between the stop and the aforementioned piston.

REFERENCES:
patent: 3242818 (1966-03-01), Kastler
patent: 3249015 (1966-05-01), Schuster et al.

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