Abstract: A marking system configured for marking a metallic workpiece is provided. The marking system includes an interface configured to receive information about parts to be cut out of the workpiece. A marking unit is movable over a processing area configured to receive the workpiece. The marking unit is configured to provide parts to be cut with a marking identifying the respective part to be cut before the cutting process from the workpiece.

Abstract: A pierce metal includes a head and a shaft. The shaft is configured to penetrate through an aluminum die-cast member with a protruded tip surface of the shaft being exposed from the aluminum die-cast member, and an outer peripheral surface of the shaft is configured to come into contact with a through-hole of the aluminum die-cast member, upon joining the aluminum die-cast member and the iron-based member together. The head and the iron-based member in contact with the protruded tip surface are configured to be held under pressure and applied with electric power by weld electrodes to perform spot welding of the protruded tip surface and the iron-based member, upon joining the aluminum die-cast member and the iron-based member together. The outer peripheral surface includes a non-contact part configured to come into non-contact with the through-hole in a state in which the shaft is penetrated through the aluminum die-cast member.

Abstract: An iron rivet including a head and a shank, an aluminum plate, an iron plate, and first and second electrodes are prepared. A sandwiching step of sandwiching the rivet, the aluminum plate, and the iron plate between the first electrode and the second electrode, a penetration step of performing pressurization and current application by the first and second electrodes so that the shank penetrates through the aluminum plate, and a forming step of performing pressurization and current application by the first and second electrodes so that a nugget is formed between the shank and the iron plate are included. In the penetration step, the pressurization and current application is performed while air is blown to a side face of the shank so that the air hits a region around a boundary between the shank and the aluminum plate.

Abstract: A laser machine includes a scanner configured to irradiate a workpiece with a laser beam, a robot configured to move the scanner, a robot controller configured to control the robot, and a scanner controller configured to control the scanner so as to control an irradiation position of the laser beam. The scanner controller includes a learned model obtained through supervised learning based on training data including, as input data, drive information relating to the robot at times when the scanner is moved in advance in a plurality of directions and speeds, and as correct data, actual position data and actual posture data of the attached scanner at the times. The actual position data and the actual posture data are calculated on the basis of the drive information relating to the robot in the learned model, and a robot movement consideration/calculation unit compensates the irradiation position of the laser beam.

Abstract: A method for butt-welding of sheet metal, especially bodywork in the motor vehicle industry, where at least two flat workpieces with any desired contours are fed to a machining process. In a first sub-process, the workpieces are positioned in relation to one another forming a minimal gap and secured in place with holding means. In another sub-process, the position and width of the gap are measured continuously immediately before welding together and the measurements are used to control a laser welding head. The laser welding head is fit with a rotatable twin-spot lens, where the relative alignment of a main spot to an auxiliary spot is controlled depending on the absolute position of the gap and the gap width during the welding process while the processing lens of the laser welding head is rotated around the laser beam axis with the angle of rotation alpha.

Abstract: A cooking appliance, in particular to a commercial cooking appliance with a housing, with a cooking chamber that is arranged in the housing and that has a cooking chamber opening that is surrounded by a circumferential door seal that is arranged at the door inner side and/or a housing area adjacent to the cooking chamber opening and that can be opened and closed by a cooking chamber door, wherein the cooking chamber door has an inner pane that is adjacent to the cooking chamber and that, in the closed state of the cooking chamber door, abuts a door seal as well as an outer pane that is arranged at a distance to the inner pane and that together with the inner pane delimits a cooking chamber door interior space, and with an optoelectronic sensor, wherein, in the closed state of the cooking chamber door, the optoelectronic sensor projects into a reception area of the cooking chamber door interior spaces arranged outside the door seal.

Abstract: A pair of separators is overlapped and placed on a base jig and thereby positioned with each other. Respective through-holes thereof are positioned to the position of a pin hole provided in the base jig. When a main jig is pressed against the base jig to clamp the pair of separators, and a pin of a sub-jig is inserted into the pin hole to clamp the pair of separators by a head, an annular light guiding path is formed by a gap generated between an opening provided in the main jig and the head of the sub-jig, and hence a laser welding position which surrounds the through-holes is exposed. The surrounding of each through-hole is seamlessly laser-welded when the laser welding position is irradiated with a laser beam.

Abstract: An apparatus, a system and a method are disclosed. An exemplary method includes providing a wafer process chamber and a plurality of radiant heat elements under the wafer process chamber, receiving a wafer holder configured to be used in the wafer process chamber, and processing a wafer located on the wafer holder in the wafer process chamber. The wafer holder includes: a wafer contact portion including an upper surface and a lower surface, an exterior portion including an upper surface and a lower surface, and a tapered region formed in the wafer contact portion.

Abstract: A method of joining a multiple member work-piece includes providing a first steel work-piece having a first electrical resistivity and a second steel work-piece having a second electrical resistivity that is lower than the first electrical resistivity. A third material is disposed in contact with the second steel work-piece. The third material has an electrical resistivity that is greater than the second electrical resistivity. The method includes resistance welding the first and second work-pieces together. The third material may be in the form of a rivet, a third work-piece, or a coating material disposed between the first and second work-pieces. A bonded assembly includes steel members and a third material being bonded together, wherein the electrical resistivity of the second member is lower than the electrical resistivity of the first member, and the third material has an electrical resistivity that is greater than the electrical resistivity of the second member.

Abstract: A method of manufacturing a metal product comprise forming a base region on a surface of a metal member by repeatedly scanning along a predetermined first direction while irradiating the surface of the metal member with a base laser beam over a first set of rows. The method further comprises forming a marking by repeatedly scanning along a predetermined second direction while irradiating the surface of the metal member with a marking laser beam over a second set of rows. The second direction is different from the first direction. An identification code having a predetermined pattern comprises a combination of the base region and the marking.

Abstract: The invention discloses a laser engraving machine, comprising a casing, a processing platform, a laser engraving head, a laser emitter, and a red light projector, the platform is disposed in the casing, and has a lateral moving trajectory and a longitudinal moving trajectory; the longitudinal trajectory is disposed on one side of the platform, the lateral trajectory is spanned thereon; one end of the lateral trajectory is connected with the longitudinal trajectory, the other is engaged with the platform side; the head is disposed on the lateral trajectory and can move along it. The invention has reasonable structure and convenient use. By adding a working panel, the device can process hard and soft material products, meeting more requirements; by changing the external fan to the built-in fan and smoke exhaust chamber, the installation is simple, the exhaust effect is better, while the proportion of damage during transportation is reduced.

Abstract: The efficiency of a device for cooling or heating objects on a belt that moves through a path of a helix, in which gaseous cooling or heating medium is circulated within the device, is improved by positioning fans that circulate the cooling or heating medium so that the fans are distanced from the top of the helix.

Abstract: A laser processing apparatus and a laser processing method for improving the processing speed and forming uniform and highly accurate through holes when processing for forming fine through holes in a matrix in a long thin plate, and a thin plate having through holes in a matrix formed by such laser processing. A laser processing apparatus includes a cylindrical body having an opening on a circumferential surface around which a thin plate to be processed is wound obliquely, a thin plate transfer for transferring a thin plate wound around the cylindrical body in the longitudinal direction of the thin plate, a motor having a rotation axis arranged coaxially with a central axis of the cylindrical body, a reflecting member fixed to a rotating shaft of the motor, a laser light emitting means for emitting pulsed light. The apparatus continuously opens through holes in the thin plate.

Abstract: The present invention is intended to prevent lifetime degradation of a conductor tube by reducing heat deterioration at output ports of the conductor tube. A superheated steam generator generates superheated steam by heating steam flowing through a spirally wound cylindrical conductor tube. The conductor tube is axially short-circuited and subjected to induction heating by a magnetic flux generation mechanism disposed on one or both of inner and outer sides of the conductor tube. Output ports of the conductor tube are disposed at axial midportions of the conductor tube.

Abstract: Embodiments disclosed herein relate to circular lamp arrays for use in a semiconductor processing chamber. Circular lamp arrays utilizing one or more torroidal lamps disposed in a reflective trough and arranged in a concentric circular pattern may provide for improved rapid thermal processing. The reflective troughs, which may house the torroidal lamps, may be disposed at various angles relative to a surface of a substrate being processed.

Abstract: Image analysis for comparison utilizes a combined image distance determined between the one or more captured images and the one or more reference images from a dual path analysis. The dual path analysis can comprise a first image analysis based on histograms of image colors and a second image analysis based a one-dimensional power spectral density of a black and white instance of the one or more captured images and the one or more reference images. In one case, the one-dimensional power spectral density derived by integrating a Discrete Fourier Transform of a two-dimensional image over annular rings of substantially equal area starting from the center of the two-dimensional image.

Abstract: A heating cooker to manage surface and inside temperatures of food. A heating portion heats inside of a heating space where the food material is placed. At least one processor controls the heating portion to perform driving for high-temperature heating after performing driving for low-temperature heating. During the driving for low-temperature heating, the heating portion may heat the inside of the heating space such that an average increase velocity of a reference temperature of the food material is lower than an average increase velocity of the reference temperature of the food material during the driving for high-temperature heating. During the driving for high-temperature heating, the heating portion may heat the inside of the heating space such that an average increase velocity of the reference temperature of the food material is higher than the average increase velocity of the reference temperature of the food material during the driving for low-temperature heating.

Abstract: A non-consumable electrode arc-welding method is provided for causing a welding machine to output or stop a welding current in accordance with at least an ON state and an OFF state of a start signal. In the method, a start signal is switched between an ON state and an OFF state, thereby controlling the on/off operation of the welding machine. Further, an operation mode instruction signal is switched between a normal mode and an interval mode, thereby controlling the operation mode of the welding machine. When the operation mode instruction signal indicates the interval mode and also the start signal is in the ON state, the welding current is outputted in a welding current output period. Then, the output of the welding current is suspended in a welding current interval period successively following the welding current output period.

Abstract: The present disclosure provides a cooking appliance, comprising: a cooking system and a transport control system, wherein the cooking system comprises a cleaning device and a cooking cavity connected with the cleaning device; the cleaning device is provided with a first input port and a second input port; the transport control system comprises a material transport pipe, a water transport pipe and a drying device; the material transport pipe communicates with the first input port for transporting a foodstuff to be cleaned to the cleaning device; the water transport pipe communicates with the second input port for transporting water for cleaning the foodstuff to the cleaning device; and the drying device is connected with the material transport pipe for drying an inner wall surface of the material transport pipe.

Abstract: A tea maker includes a brewing unit which defines a vessel having an upper opening with a spout disposed thereon. A lid assembly is removeably received on the upper opening of the vessel and includes a steeping tube. The steeping tube extends downwardly from the lid assembly into the vessel when the lid assembly is received on the upper opening of the vessel. An articulating filter assembly is coupled to the lid assembly and includes a filter plate that is operable between an extended position and a retracted position. The filter plate is configured to contact an inner surface of the vessel when the filter plate is in the extended position. A biasing member is configured to bias the filter plate towards the extended position for filtering a brewed tea mixture as the mixture is poured through the upper opening of the vessel.