Hydraulic expansion chuck
AssigneeGuehring KG
InventorKlaus MATHEIS
Life of this patent
Estimating the term…
Abstract
A hydraulic expansion chuck for accommodating a machining tool, comprising a main chuck body that has a first chuck portion for fastening to a chuck connection as well as a second chuck portion for clamping the machining tool, wherein the second chuck portion includes a substantially cylindrical cavity, and wherein at least a first chamber and a second chamber for holding a fluid are arranged within the second chuck portion in such a way as so peripherally surround at least some sections of the cavity, and said first chamber and second chamber are designed in such a way as to bulge and reduce a cross-section of the cavity in at least some sections when the pressurized fluid is admitted into the chambers, the first chamber and the second chamber being positioned at an angle to one another.
Claims11
A hydraulic expansion chuck for accommodating a machining tool comprising a main chuck body with a first chuck portion for fastening to a chuck connection, and a second chuck portion for bracing the machining tool, wherein the second chuck portion comprises an essentially cylindrical cavity, and wherein at least a first chamber and a second chamber for accommodating a fluid are arranged within the second chuck portion in order to circumferentially enclose the cavity at least in sections, and which the first chamber and the second chamber are formed in order to bulge during the pressurized admittance of the fluid and in order to decrease a cross section of the cavity at least in sections, and wherein the first chamber and the second chamber are arranged at an angle (α) to one another.
Dependencies are inferred from the claim text.