The invention relates to a machining apparatus for electrochemically removing component layers of a component, having at least one electrode, which is mounted so as to be movable along at least one infeed axis, and having at least one auxiliary electrode, which is mounted so as to be movable along an auxiliary infeed axis, wherein a gap for arranging the component for electrochemically removing the component layers extends between the at least one electrode and the at least one auxiliary electrode. At least the infeed axis and a longitudinal extension direction of the gap enclose an acute angle with each other. The machining apparatus comprises at least one oscillation device (40), which is set up at least to move the at least one electrode in an oscillating manner along the infeed axis and relative to the at least one auxiliary electrode.

The invention relates to the technical field of electrochemical machining and provides a pulse dynamic electrochemical machining apparatus and method for rapidly leveling a surface of a revolving part. During rotating pulse dynamic electrochemical machining, a cathode tool rotates around a center point of the cathode tool at a constant angular velocity, and an anode workpiece rotates around a center point of the anode workpiece at the constant angular velocity; meanwhile, the cathode tool performs a feed movement at a set feed velocity along a center line of the cathode tool and the anode workpiece. A control system determines a machining voltage value output by a power source when each contour point of the anode workpiece rotates to a machining area to automatically change an applied voltage between the cathode tool and the anode workpiece.

An apparatus for electrical discharge machining process is disclosed. The apparatus comprises adjustable supports, up-on which an elongated workpiece to be machined can be placed and rotated. The adjustable support allows to adjust the position of the workpiece with respect to a base plate. The apparatus further comprises a rotating member, adapted to grip one end of the elongated workpiece to be machined and rotate it around its longitudinal axis. Also disclosed are a method for machining rotor and a monolithic shaft-impeller rotor.

An electromachining system includes at least one steerable electrode. The steerable electrode includes an electrode positioning mechanism configured to facilitate six degrees of freedom referenced to a pitch axis, a yaw axis, and a roll axis. The three axes are substantially perpendicular to each other. The electrode positioning mechanism includes a first end and a rotatable electrode tip coupled to the first end.

An electrical discharge machining spindle for releasably holding an electrode includes a spindle body, a movable sleeve surrounding the spindle body, first and second contact elements for clamping an electrode inserted therebetween, and a locking element that is actuated by the sleeve to selectively apply pressure to at least one of the first and second contact elements to clamp the electrode.

The present disclosure relates to an electrical discharge machining (EDM) device, and a method for machining a workpiece by the EDM device. The EDM device includes a spindle, a guide structure including a plurality of guideways, and a plurality of electrodes, the electrode coupled to the spindle via a flexible link, and slidably engaged with a respective one of the plurality of guideways.

A machining apparatus includes a curved outer conduit, a curved rotary electrode and a driving motor. The outer conduit has a cavity and a fluid inlet in fluid communication with the cavity. The electrode includes a flexible shaft positioned in the cavity and having a first end and a second end, and a machining head having a fluid outlet in fluid communication with the cavity and electrically connected with the first end of the flexible shaft to be powered via the flexible shaft. The motor is mechanically coupled to the second end of the flexible shaft for driving the flexible shaft to rotate. A machining system includes the machining apparatus, a power supply for powering the flexible shaft, an electrolyte supply for providing electrolyte to the fluid inlet and a machine tool onto which the outer conduit and the motor are positioned.

A member (10), for bearing a load, including a load receiving portion (12) at which the load is applicable to the member. A strainable portion (14) is connected to the load receiving portion to be strained by the load. A datum (16a) is defined and an elongate portion (18) defines another datum (18a). The datums are arranged such that relative displacement therebetween indicates an amount by which the strainable portion is strained. The strainable portion defines the datum.

An electrochemical well pipe cutting instrument, applicable in particular for cutting any type of pipes accessing underground works with conductive fluid inside, includes at least one device for ensuring electrical continuity and at least one electrode. The instrument also includes at least one device for ensuring mechanical fixation of the instrument in the pipe such as an anchor. The device for ensuring electrical continuity, the anchor and electrode can be adjusted in length to suit different diameters of pipe within a large range. Optionally the electrodes are located on a rotary device. The instrument is connected to a main instrument body which includes an electronic module, at least one centralizer and a CCL module with an inclinometer. The main instrument body is connected to a cable head which ensures the communication to a surface unit.

An electro-hydraulic combined device is provided. The insulator is fixedly connected with a spindle shell; a top end of the electro-hydraulic joint supply base is fixedly connected with the insulator; a connection port of the working fluid pipe and a binding post are arranged on the electro-hydraulic joint supply base; a bottom end of the electro-hydraulic joint supply base is provided with a terminal connection port; the connection port of the working fluid supplying pipe and the terminal connection port communicate with a fluid channel in the electro-hydraulic joint supply base; when the terminal connection port is snap-engaged with a top end of the terminal of electro-hydraulic joint supply pipes, the fluid channel in the electro-hydraulic joint supply base is communicated with a fluid channel in the terminal; the fluid channel in the terminal is further communicated with a flushing fluid container on an electrode shank for electro machining.