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Extension clamping pin i.e. extension chuck, for fixing e.g. drill shaft at work spindle of machine tool, has clamping sleeve deformed in radially outward manner if extension sleeve is adjusted from original position in setting direction
Extension clamping pin i.e. extension chuck, for fixing e.g. drill shaft at work spindle of machine tool, has clamping sleeve deformed in radially outward manner if extension sleeve is adjusted from original position in setting direction
The pin i.e. extension chuck (1), has an extension sleeve (7) displaceably held at a base body (2), and a clamping sleeve (14) pushed onto the extension sleeve and firmly positioned opposite to the base body in an axial direction. A mating surface is formed at an inner side of the clamping sleeve, and cooperates with a mating surface of the extension sleeve. The clamping sleeve is elastically deformed in a radially outward manner if the extension sleeve is axially adjusted opposite to the base body from an original position in a setting direction.
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