Abstract: A master unit includes a welding DB in which prescribed motion data associated with an object to be welded is stored, a state sensor which measures, as welding state data, a situation of welding by a robot which executes welding in a real environment according to the prescribed motion data, a simulated environment which imitates the real environment and notifies a worker of the welding state data, and a motion control unit which receives, as an input, worker motion data indicating a motion of welding by the worker from the simulated environment, operates the robot in the real environment by using the worker motion data instead of the prescribed motion data, and records, as new prescribed motion data, the input worker motion data in the welding DB.

Abstract: An object of the present invention is to appropriately perform a welding quality control. Therefore, a welding work data accumulation device (100) includes: a measurement unit (4, 5, 7, 9, 11, and 16) that measures a welding motion and a welding phenomenon when a welding operator (1) grips a welding torch (2) and performs welding on a welded body (3); a data analysis unit (14) that extracts an appropriate combination of a welding motion feature amount (Tw, Ht, and Sp) and a welding phenomenon feature amount (Iw, S, and Ssym) in correction with time or coordinates based on data acquired by the measurement unit (4, 5, 7, 9, 11, and 16); and a data accumulation unit (15) that creates a database (70) based on an extraction result of the data analysis unit (14).

Abstract: A burner work measurement system configured to measure work using a burner is provided. The burner work measurement system includes one or more cameras configured to capture the work and a control unit configured to perform computing processing on images captured by the cameras, the control unit is configured to create work data obtained by calculating, based on the images captured by the cameras, at least one of a positional relation between a work object and the burner or flame, a positional relation between the work object and a brazing filler metal, and a positional relation between the burner or the flame and the brazing filler metal.

Abstract: A welding work measurement system enables accurate measurement of a positional relation between respective parts. Therefore, a welding work measurement system includes a photodetection unit that detects light generated by a plurality of markers attached to a torch for welding a welding object or light reflected by the plurality of markers, a marker position acquisition unit that acquires marker position data that is three-dimensional coordinate data on the markers on the basis of the light detected by the photodetection unit, and a torch position acquisition unit that acquires torch position data that is three-dimensional coordinate data on the torch on the basis of the marker position data.

Abstract: An object of the invention is to provide: a two-phase alloy as a metal material that can be preferably utilized under circumstances of a temperature range and a high corrosion as in an oil well, the two-phase alloy having a high corrosion resistance and good mechanical properties that are equivalent or more than those of conventional ones, and saving a cost; a product of the two-phase alloy; and a method for producing the product. There is provided a two-phase alloy containing Cr as a major component and including two phases of an austenite phase and a ferrite phase in a mixed state. The alloy has a chemical composition containing: 34-70 mass % of Cr; 17-45 mass % of Ni; 10-35 mass % of Fe; 0.1-2 mass % of Mn; 0.1-1 mass % of Si; and impurities. The total content of the Ni and the Fe is 30-65 mass %.

Abstract: Power can be supplied to a smart device without affecting control of a cash drawer. A printer 1 capable of connecting to a smart device 2 and a cash drawer 3 has a wireless communicator 16 for communicating with the smart device 2, a drawer kick connector 18 that connects to the drawer 3, a power circuit 14, and a controller 11. When a command instructing control of the drawer 3 is received from the smart device 2 by the wireless communicator 16, the controller 11 stops the supply of power from the power circuit 14 to the smart device 2; and when control of the drawer 3 ends, the controller 11 starts supplying power to the smart device 2.

Abstract: Disclosed herein is a technique to reduce the residual stress of a steel material while improving the mechanical property and the corrosion resistance of the material. A steel material is provided that includes a plurality of ferrite crystal grains, and a laminar iron-rich phase formed at unidirectionally occurring grain boundaries of all grain boundaries of the ferrite crystal grains. A material processing method is provided that includes: heating a steel material that contains a plurality of ferrite crystal grains; applying a magnetic field to a heated portion while heating the steel material; applying an electric field to the heated portion in a direction that crosses the direction of the applied magnetic field while heating the steel material; and measuring a displacement occurring in the steel material under the magnetic field and the electric field.

Abstract: An object of the invention is to provide: a two-phase alloy as a metal material that can be preferably utilized under circumstances of a temperature range and a high corrosion as in an oil well, the two-phase alloy having a high corrosion resistance and good mechanical properties that are equivalent or more than those of conventional ones, and saving a cost; a product of the two-phase alloy; and a method for producing the product. There is provided a two-phase alloy containing Cr as a major component and including two phases of an austenite phase and a ferrite phase in a mixed state. The alloy has a chemical composition containing: 34-70 mass % of Cr; 17-45 mass % of Ni; 10-35 mass % of Fe; 0.1-2 mass % of Mn; 0.1-1 mass % of Si; and impurities. The total content of the Ni and the Fe is 30-65 mass %.

Abstract: Power can be supplied to a smart device without affecting control of a cash drawer. A printer 1 capable of connecting to a smart device 2 and a cash drawer 3 has a wireless communicator 16 for communicating with the smart device 2, a drawer kick connector 18 that connects to the drawer 3, a power circuit 14, and a controller 11. When a command instructing control of the drawer 3 is received from the smart device 2 by the wireless communicator 16, the controller 11 stops the supply of power from the power circuit 14 to the smart device 2; and when control of the drawer 3 ends, the controller 11 starts supplying power to the smart device 2.

Abstract: Disclosed herein is a technique to reduce the residual stress of a steel material while improving the mechanical property and the corrosion resistance of the material. A steel material is provided that includes a plurality of ferrite crystal grains, and a laminar iron-rich phase formed at unidirectionally occurring grain boundaries of all grain boundaries of the ferrite crystal grains. A material processing method is provided that includes: heating a steel material that contains a plurality of ferrite crystal grains; applying a magnetic field to a heated portion while heating the steel material; applying an electric field to the heated portion in a direction that crosses the direction of the applied magnetic field while heating the steel material; and measuring a displacement occurring in the steel material under the magnetic field and the electric field.

Abstract: Disclosed is a zirconium alloy material having high corrosion resistance regardless of thermal history during its manufacturing process. The zirconium alloy material is obtained by providing a zirconium alloy containing on the mass basis: 0.001% to 1.9% of Sn, 0.01% to 0.3% of Fe, 0.01% to 0.3% of Cr, 0.001% to 0.3% of Ni, 0.001% to 3.0% of Nb, 0.027% or less of C, 0.025% or less of N, 4.5% or less of Hf and 0.16% or less of O with the remainder being inevitable impurities and zirconium, being formed of a bulk alloy and a surface layer, in which the surface layer has a plastic strain of 3 or more or a Vickers hardness of 260 HV or more and an arithmetic mean surface roughness Ra of 0.2 ?m or less.

Abstract: The present invention provides a structural body comprising a welded portion of a duplex stainless steel inclusive of an ? phase and a ? phase and an unwelded portion of the duplex stainless steel, wherein an X-ray diffraction intensity for the ? phase is higher in a heat affected zone including the welded portion than in the unwelded portion and becomes a local maximum within the heat affected zone. The present invention provides aA production method for a structural body of a duplex stainless steel, wherein a heat affected zone including a welded portion of the structural body is heat-treated between 600° C. and 800° C. while a magnetic field of 1˜10 T is applied to the heat affected zone.

Abstract: Disclosed is a zirconium alloy material having high corrosion resistance regardless of thermal history during its manufacturing process. The zirconium alloy material is obtained by providing a zirconium alloy containing on the mass basis: 0.001% to 1.9% of Sn, 0.01% to 0.3% of Fe, 0.01% to 0.3% of Cr, 0.001% to 0.3% of Ni, 0.001% to 3.0% of Nb, 0.027% or less of C, 0.025% or less of N, 4.5% or less of Hf and 0.16% or less of O with the remainder being inevitable impurities and zirconium, being formed of a bulk alloy and a surface layer, in which the surface layer has a plastic strain of 3 or more or a Vickers hardness of 260 HV or more and an arithmetic mean surface roughness Ra of 0.2 ?m or less.