Erosive cutting machine for the final machining of punching and cutting tools
AssigneeAG fur industrielle Elektronik AGIE
InventorPaul Fricker
Life of this patent
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Abstract
Erosive working machine for cutting prepared closed inner shapes (15) and closed outer shapes (16) of a workpiece (12) fixed by a workpiece holder by means of a filamentary or strip electrode (14) arranged on guidance means (13, 18). At least one guidance means (13, 18) is arranged on a motor-rotatable rotating mechanism (20) in such a way that the center line (23) of rotating mechanism (20) at at least one geometrical locus coincides with the center of the cross-section of electrode (14). Thus, during the erosion process, a collision between the guidance means (13, 18) and the closed inner shape (15) or closed outer shape (16) or a tool holder (11) is avoided.
Claims17
Erosive cutting machine for the final machining of prepared closed inner shapes and closed outer shapes of a workpiece (12) having
- a workpiece holder (11) to retain the workpiece;
- a filamentary or strip electrode (14);
- and guidance means, including upper and lower guide elements (13, 18), for guiding the electrode through a working or cutting zone (1318)
- comprising
- a motor rotatable rotary mechanism (20) having an axis of rotation (24) which has a common reference point on the axis (23) of the electrode (14);
- a first cross slide (41) which is controllably driven for controlling any desired cutting cone and which carries an upper arm (122b);
- a second cross slide (42) which is controllably driven and positioning the wire guidance means (13, 18) on said reference point;
- and means (27) for continuous adjustment (Z1) of the distance between the upper and lower guidance elements (13, 18).
Dependencies are inferred from the claim text.