The present invention is a probe forming device, the probe forming device comprises a spinning shaft, a first adjusting structure, a second adjusting structure, an electrolyte conveying member and a power supply. One of the holding member of the spinning shaft holds a workpiece, and a driving member drives the workpiece to move and abut the first adjusting structure and the second modulating structure. The electrolyte conveying member conveys an electrolyte to the workpiece, the first adjusting structure and the second adjusting structure, and is electrically connected. At least one positive end of the power supply is connected to the workpiece or the spinning shaft, and at least one negative end is connected to the first adjusting structure and the second modulating structure.

A mirror finishing method for mirror-finishing a workpiece includes: a step of performing a first machining operation with a first tool which has a cylindrical portion made of polycrystalline diamond or cubic boron nitride at the tip of a shank thereof and further has a cutting edge formed by forming a linear groove on the cylindrical portion; and a step of, after the first machining operation has been performed, performing a second machining operation with a second tool which has a cylindrical portion made of polycrystalline diamond or cubic boron nitride at the tip of a shank thereof with no cutting edge on the cylindrical portion.

A mirror finishing method for mirror-finishing a workpiece includes: a step of performing a first machining operation with a first tool which has a cylindrical portion made of polycrystalline diamond or cubic boron nitride at the tip of a shank thereof and further has a cutting edge formed by forming a linear groove on the cylindrical portion; and a step of, after the first machining operation has been performed, performing a second machining operation with a second tool which has a cylindrical portion made of polycrystalline diamond or cubic boron nitride at the tip of a shank thereof with no cutting edge on the cylindrical portion.

A honing machine (100) for carrying out honing operations on boreholes, oriented orthogonally with respect to one another, in a workpiece (102), in particular for honing processing of cylinder boreholes and a bearing gate borehole in a cylinder crank casing, comprises a machine base (110) and a round table (130) which is arranged on the machine base and which can rotate about a vertical round table axis (134) and has a plurality of workpiece receptacles which are arranged offset with respect to one another in a circumferential direction at a radial distance from the round table axis, in such a way that a workpiece which is held in a workpiece receptacle can be transported successively to different workstations (140, 150, 160, 170) of the honing machine by rotating the round table. At least one of the workstations is a vertical honing station (150, 170) which has at least one vertical honing unit (180) which has a honing spindle which can move back and forth in the direction of a spindle axis which is oriented parallel to the round table axis, rotatably about said spindle axis. Furthermore, at least one of the workstations is a horizontal honing station (160) which has at least one horizontal honing unit (300) which has a honing spindle which can move back and forth in the direction of a horizontal spindle axis (304), rotatable about said spindle axis. The horizontal honing unit (300) is or can be positioned with respect to the round table (130) in such a way that the horizontal honing unit assumes a processing position in which the horizontal spindle axis (304) is oriented radially with respect to the round table axis (134).

A method of manufacturing sharp bodies by wire electro-erosion includes providing a wire electro-erosion machine and a fixture mounted to the wire electro-erosion machine so that a portion thereof can rotate about a rotation axis which is transverse to a longitudinal extension of the cutting wire. At least one workpiece is mounted to the fixture. An edge to be sharpened of the at least one workpiece is sharpened by a sharpening through cut with the cutting wire on the at least one workpiece. The at least one workpiece is shaped by a shaping through cut with the cutting wire on the at least one workpiece. Between the sharpening and shaping, the portion of the fixture is rotated about the rotation axis thereof by a sharpening rotation angle other than 90?. The sharp bodies may be blades for a surgical cutting instrument for robotic microsurgery.

A method of manufacturing sharp bodies by wire electro-erosion includes providing a wire electro-erosion machine and a fixture mounted to the wire electro-erosion machine so that a portion thereof can rotate about a rotation axis which is transverse to a longitudinal extension of the cutting wire. At least one workpiece is mounted to the fixture. An edge to be sharpened of the at least one workpiece is sharpened by a sharpening through cut with the cutting wire on the at least one workpiece. The at least one workpiece is shaped by a shaping through cut with the cutting wire on the at least one workpiece. Between the sharpening and shaping, the portion of the fixture is rotated about the rotation axis thereof by a sharpening rotation angle other than 90?. The sharp bodies may be blades for a surgical cutting instrument for robotic microsurgery.

The present invention relates to a method for the manufacture of cannulae, as well as cannulae that have been manufactured using the method. The invention further relates to a device that is suitable for the manufacture of cannulae using the method.

The method involves the manufacture of a cannula from a hollow tubular segment (1), with a penetrating entity that has a leading penetrating section and a trailing aperture section, wherein the leading penetrating section has a beveled surface that extends rearward from a penetrating tip and has inner lateral edges, and wherein the trailing aperture section has a beveled surface that extends rearward from the beveled surface of the leading section and has inner lateral edges as well as a rounded trailing edge (10, 12), wherein the rounding of trailing edge (10, 12) is produced by means of electrochemical machining (ECM) in the presence of an electrolyte.

The present invention relates to a method for the manufacture of cannulae, as well as cannulae that have been manufactured using the method. The invention further relates to a device that is suitable for the manufacture of cannulae using the method.

The method involves the manufacture of a cannula from a hollow tubular segment (1), with a penetrating entity that has a leading penetrating section and a trailing aperture section, wherein the leading penetrating section has a beveled surface that extends rearward from a penetrating tip and has inner lateral edges, and wherein the trailing aperture section has a beveled surface that extends rearward from the beveled surface of the leading section and has inner lateral edges as well as a rounded trailing edge (10, 12), wherein the rounding of trailing edge (10, 12) is produced by means of electrochemical machining (ECM) in the presence of an electrolyte.

The present invention is directed to a method for the material-removing machining of a component for a turbomachine that includes the steps of i) recording a distance image by contact-free measurement of at least one surface of the component that is to be machined; ii) comparing the distance image to a computer model of the component and determining the sites of the component that are to be machined based on deviations between the distance image and the computer model; iii) generating a tool path for the sites of the component that are to be machined; and iv) material-removing machining of the component on the basis of the tool path by spark erosion, laser drilling, or conventional drilling.

The invention relates to a blank for an endodontic instrument, obtainable by machining at least one rod by means of wire erosion, preferably selected from the group consisting of electrical discharge machining, wire electrical discharge machining, electrical discharge grinding and electro-chemical machining, wherein an erosion pattern is applied to the at least one rod, wherein the blank has a homogenous hardness.