Importance

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Abstract

The machine for the machining of sheet-like articles (12) has a toolholder (90) fitted with a milling cutter (92). Said toolholder can be positioned in the direction of the arrow (x). The clamping device (10) capable of being moved in and counter to the direction of the arrow (y) has clamps (20, 22, 24), of which the first clamp (20) and second clamp (22) are provided with a centering pin (41, 41'). The article (12) to be machined has centering holes which are arranged at the corner points of a right-angled isosceles triangle, the lateral side length of which corresponds to the spacing of the centering pins (41, 41'). The article (12) to be machined can thereby be inserted into the clamping device (10) in two positions rotated through 90.degree. relative to one another. In order, after machining in one direction, to rotate the article (12) through 90.degree. for machining in the other direction, the machine has a rotation device (14), the axis of rotation (16) of which is displaceable along a straight positioning line (50) and, as seen in the direction of the arrow (y), can be locked centrally between the centering pins (41, 41'). The straight positioning line (50) forms an angle of 45.degree. with a straight base line (48) which runs through the centering pins (41, 41').

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First Claim