To provide a surface property inspection sorting apparatus, system, and method capable of efficiently performing steps to evaluate the surface properties of spring-shaped members. A surface property inspection and sorting apparatus 1 includes a surface property inspection device, a measuring member for measuring the surface properties of the spring-shaped members M, and a sorting means for sorting the spring-shaped members into good and bad parts. The measuring member is constituted so that spring-shaped members can pass through an inspection detector, and the surface properties of the spring-shaped member can be evaluated and a pass/fail judgment made by a surface property inspection device based on output signals output from an AC bridge circuit while the spring-shaped member passes through the inspection detector.

Embodiments of the present invention relate to a device comprising a platform comprising a layer of a 2-dimensional material. The device further comprises a plurality of electrodes and one or more molecules arranged on the platform. The device is configured to apply control signals to the plurality of electrodes to position the molecules by means of an electric field. Embodiments of the invention further concern a corresponding method for fabricating such a device and a method for positioning molecules by such a device.

Embodiments of the present invention relate to a method for using a device for the positioning of molecules, the devise including a semiconductor substrate including a semiconductor layer and an insulating layer with a plurality of electrodes arranged on the insulating layer forming an electrode layer with a layer of 2-dimensional material arranged on the electrode layer. The method includes applying a first set of control signals to the plurality of electrodes to position a plurality of molecules in a first molecule arrangement and applying a second set of control signals to the plurality of electrodes to position the plurality of molecules in a second molecule arrangement, wherein the second set of control signals is different from the first set of control signals and wherein the device provides a first functionality in the first molecule arrangement and a second functionality in the second molecule arrangement.

A chain abnormality detection device provided at a predetermined location on a circulation path of an endless chain includes a measurement start position detector, a reference position detector, and a distance measurement unit. The measurement start position detector detects that a measurement start position comes to a first predetermined position, and the reference position detector detects a timing when a reference position comes to a second predetermined position. The distance measurement unit measures a distance from the reference position to a subsequent reference position, at each of the timings. A difference calculator is provided which calculates a difference between the distance measured at the present time and the distance measured at the previous time, for the same reference position, and a breakage determination unit is provided which determines whether there is partial breakage, on the basis of the difference calculated by the difference calculator.

Disclosed are methods and apparatuses for analysis of synthetic ropes, cords, slings, cables and belts (collectively termed ropes) including but not limited to ropes for bearing loads as well as fiber optic cables. The ropes are provided with one or more elements for magnetic detection, wherein the magnetic detection elements each comprise a metal fiber or an appropriately treated synthetic fiber. The methods and apparatuses encompass detection of induced or residual magnetism or magnetic flux in the magnetic detection element(s), to sense for example lay length and/or damage, breakage or wear of the magnetic detection element(s), indicative of the condition of the rope.

The invention relates to a method for condition monitoring of a rope of a hoisting apparatus, and to an arrangement for condition monitoring of a rope of a hoisting apparatus, preferably of an elevator for transporting passengers and/or goods. The arrangement for condition monitoring of a rope of a hoisting apparatus according to the present invention, in which rope comprises one or more conductive load bearing member for bearing the load exerted on the rope in longitudinal direction and extending parallel to each other and to the longitudinal direction of the rope, comprises an at least one eddy current testing probe, placed near said rope for generating an alternating magnetic field, said alternating magnetic field causing eddy currents in said rope, and for detecting a secondary magnetic field being generated by said eddy currents in said rope as eddy current detection data, and an on-line monitoring unit receiving and utilizing said eddy current detection data for on-line condition monitoring of said rope.

A truck mounted portable electromagnetic inspection (EMI) machine assembly is disclosed. The truck mounted portable EMI assembly includes a portable EMI machine having an input port coupled to a scanning tunnel and adapted to receive a tubular for passing through the scanning tunnel, the scanning tunnel comprising an excitation coil configured to induce an eddy current in a surface of the tubular passing through the scanning tunnel, and an output port coupled to the scanning tunnel and adapted to allow the tubular to exit from the scanning tunnel, and a mechanical turntable adapted to mount the portable EMI machine on a truck and adjust an orientation of the portable EMI machine with respect to the truck. The mechanical turntable includes an upper base and a lower base coupled together.

A magnet evaluation device is provided for evaluating a magnet having at least two magnetic pieces bonded to an insulating material sandwiched between two adjacent ones of the magnetic pieces. The magnet evaluation device has an excitation coil and a detection coil. The excitation coil is configured to generate a magnetic field that has a size in a range that corresponds to a region including the insulating material. The detection coil has a coil diameter that is smaller than a length of one of the magnetic pieces in a direction in which the magnetic pieces are aligned.

The present disclosure provides a method of detecting and preventing grind burn from developing on a gear. The method includes performing acoustic emission testing while the gear is being ground during a grinding operation. The grinding wheel is evaluated during an eddy current test to detect material buildup on the grinding wheel which could cause grind burn. In addition, the method includes collecting swarf from the gear during the grinding operation and inspecting the swarf for an indication of grind burn.

A measuring device that is able to function even in rough environments, for example under great heat or in environments in which water or steam is found, as is the case in rolling mills, among other environments, has a housing, a central measuring device that passes through the housing in a straight line, and a measuring coil that is disposed in the housing and encloses the measuring opening. The device has a coil carrier that is disposed in the housing radially outside of the measuring coil and carries the measuring coil.