A machining position correcting device is applied to an electrochemical machining device that makes an electrolyte flow out of a distal end part of an electrode bar extending along an axis while rotating the electrode bar about the axis to electrochemically machine a material to be machined in a region from the distal end part of the electrode bar. The machining position correcting device includes a position detector configured to detect a rotational position of a feature point provided to the electrode bar.

The invention relates to a stylus manufacturing method for a contact probe, the stylus including a stick-shaped body, a stem formed continuous to an end of the body and having a diameter smaller than that of the body, and a tip formed continuous to an end of the stem and having a diameter larger than that of the stem. The method includes: primary electrical-discharge-machining of subjecting a leading end of a stick-shaped base material to electrical-discharge-machining to form the tip, a stem end being continuous to the tip and having the same diameter as the stem, and a temporary tapered portion having a diameter increasing from the stem end toward a base end of the base material; polishing of the tip formed in the primary electrical-discharge-machining; and after the polishing, secondary electrical-discharge-machining of subjecting the base material at least at the temporary tapered portion to electrical-discharge-machining to form the stem.

The invention relates to a stylus manufacturing method for a contact probe, the stylus including a stick-shaped body, a stem formed continuous to an end of the body and having a diameter smaller than that of the body, and a tip formed continuous to an end of the stem and having a diameter larger than that of the stem. The method includes: primary electrical-discharge-machining of subjecting a leading end of a stick-shaped base material to electrical-discharge-machining to form the tip, a stem end being continuous to the tip and having the same diameter as the stem, and a temporary tapered portion having a diameter increasing from the stem end toward a base end of the base material; polishing of the tip formed in the primary electrical-discharge-machining; and after the polishing, secondary electrical-discharge-machining of subjecting the base material at least at the temporary tapered portion to electrical-discharge-machining to form the stem.

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.

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 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 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.

A technique of removing material from metal parts referred to as OPECM and a corresponding OPECM processing machine are disclosed. A tool electrode is manufactured for removing material from a target workpiece, and the workpiece and tool electrode are fixed into a processing machine that imparts an oscillatory motion path or profile and applies a voltage through a flowing electrolyte solution. The disclosed technique and processing machine removes material from the surface of the target workpiece through proximal surface dissolution as the workpiece and tool electrode are brought within proximity of one another.

A technique of removing material from metal parts referred to as OPECM and a corresponding OPECM processing machine are disclosed. A tool electrode is manufactured for removing material from a target workpiece, and the workpiece and tool electrode are fixed into a processing machine that imparts an oscillatory motion path or profile and applies a voltage through a flowing electrolyte solution. The disclosed technique and processing machine removes material from the surface of the target workpiece through proximal surface dissolution as the workpiece and tool electrode are brought within proximity of one another.

Various embodiments include a system for machining a hole in a turbine blade. The system can include: a mount for engaging a first side of a turbine rotor, the mount including: a drill plate for coupling with the first side of the turbine rotor, the drill plate having: a body; a feed opening on a first side of the body; a passage extending from the feed opening through the body; and a second opening on a second side of the body, the second opening coupled with the passage and positioned to align with the pre-formed hole in the turbine rotor; an alignment bushing for engaging the pre-formed hole in the rotor at a second side of the rotor; and a cutting device for extending through the body and alignment bushing, the cutting device for machining the hole in the blade, the cutting device aligned along a chamfer axis relative to a primary axis of the turbine rotor.