Abstract: A method of fabricating of an object includes causing a first heat source to heat a feed material to form a melt pool of the feed material on a surface. The method further includes causing a second heat source to heat the melt pool on the surface to regulate grain formation of the feed material in the melt pool as the melt pool cools and solidifies on the surface to form at least a portion of the object. The method also includes causing the first heat source and the second heat source to move relative to the surface as the melt pool is formed and cooled.

Abstract: Disclosed is a cooking apparatus with a cooktop. The cooking apparatus includes: a cooker body including a cooking compartment and a storage compartment below the cooking compartment; a drawer including a storage space, and sliding the drawer into and out of the storage compartment closes and opens the storage space; a steam supplier configured to generate steam and supply the generated steam to the cooking compartment; and a water tank configured to store water for generating the steam, and provided in a certain region of the storage compartment independently of the drawer to be pushed in or pulled out.

Abstract: A device (1) for inductive heating of a workpiece (2) in a rolling mill, the device (1) including: a converter (3) for creating an alternating voltage, a capacitor bank (6) electrically connected to the converter (3), and having a plurality of capacitors (7) connected in parallel, a working field (8), in which an upper coil (10) and a lower coil (11) are arranged. The workpiece (2) is able to be passed between the coils (10, 11) and is thereby inductively heated by cross-field heating. A housing (4) arranged next to, below or above the working field (8). The converter (3) and capacitor bank (6) are arranged in the housing (4). The coils (10, 11) are each electrically connected to the capacitor bank (6) by a flexible cable (12, 13). The cable (12, 13) is a coaxial cable (27), with one phase of the alternating voltage applied to an inner conductor (28) and the other phase of the alternating voltage applied to an outer conductor (29) of the coaxial cable (27).

Abstract: Disclosed is a method for preparing a heterogeneous metal composite structure for medical implantation, including the steps of: step 1, preparing titanium alloy powder into a porous skeleton according to different printing strategies; step 2, filling magnesium after being melted into pores of the porous skeleton; and step 3, cooling a titanium-magnesium interpenetrating phase composite structure prepared in step 2 to room temperature, and covering a surface of the titanium-magnesium interpenetrating phase composite structure with a hydroxyapatite coating. In the present disclosure, a porous lattice dot-array structure of titanium alloy is used as a skeleton, and the skeleton pore is filled by pressureless infiltration of magnesium or hot isostatic pressure.

Abstract: A rotary laser engraving device for retaining and rotating an object for engraving includes a frame, a first support assembly and a second support assembly mounted on the frame. To support the object the first support assembly includes a set of driven rollers and the second support assembly includes a set of free rollers, each being diagonally offset from the frame. The second support assembly is configured to slidably move on the frame to vary a longitudinal separation between the driven rollers and the free rollers. The second support assembly further includes a vertical adjustment assembly configured to move the free rollers vertically to vary a vertical separation between the driven rollers and the free rollers. In some aspects, the first support assembly also includes a fixed vertical adjustment assembly configured to move the driven rollers vertically to vary a vertical separation between the driven rollers and the free rollers.

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 present application pertains to an electric arc grill that integrates a range of components for enhanced functionality. Central to this grill is the electric heating device, which includes an electric heating component and a circuit board integrated with electric components. The electric heating component includes an electric output head and an electric connection rod that is securely attached to and electrically connected with the head, ensuring a stable connection to the circuit board. The grill is equipped with a lifting device that is affixed to and grounded by the grill carrier, facilitating the electrical connection with the fire gathering plate. This plate is positioned above the electric output head, creating a gap that is instrumental in generating the electric arc necessary for heating. The grill enables the fire gathering plate to be heated via electric arc, thereby providing a versatile cooking surface capable of frying, grilling, and baking.

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 welding system (1) comprising a main module (2) equipped with an external casing (3) in which an inlet port (4) for the connection to an external electric power source, an electric generator (5) configured to adapt the electrical characteristics of the electric power received at the inlet to a first type of welding, an outlet port (6) for the connection by means of an electric conductor (10) to a welding torch (20) and an electronic control unit (7) configured to control the functionality of the electric generator (5) are identified. The welding system also comprises a welding torch (20) configured to be connected by means of the electrical conductor (10) to the outlet port (6).

Abstract: A process and apparatus for free form fabrication of a three-dimensional work piece comprising (a) feeding raw material in a solid state to a first predetermined location: (b) depositing the raw material onto a substrate as a molten pool deposit under a first processing condition; (C) monitoring the molten pool deposit for a preselected condition; (d) comparing information about the preselected condition of the monitored molten pool deposit with a predetermined desired value for the preselected condition of the monitored molten pool deposit; (e) solidifying the molten pool deposit; (f) automatically altering the first processing condition to a different processing condition based upon information obtained from the comparing step (d); and repeating steps (a) through (f) at one or more second locations for building up layer by layer a three-dimensional work piece.

Abstract: A laser processing apparatus includes a stage configured to transfer a target substrate and including an opening, an electrostatic chuck disposed on the stage and including a plurality of holes, and a laser irradiation unit disposed above the stage and spaced apart from the stage and configured to irradiate a laser beam on the target substrate. A surface of the electrostatic chuck is in contact with the target substrate, the target substrate includes a plurality of etching regions to be etched by the laser beam and a non-etching region surrounding the plurality of etching regions of the target substrate, and the plurality of holes of the electrostatic chuck overlap the opening of the stage and the plurality of etching regions of the target substrate.

Abstract: A fruit squeezing system, with a feed system and cutting and squeezing devices with a pair of cup assemblies that are vertically displaceable by vertical displacement device and rotationally, in opposite directions, by rotation device; below these a cutting assembly with a blade and peel extraction device; and one pair of fixed squeezer balls, each of these below one of the cup assemblies, for the vertical squeezing of the fruit halves by the vertical displacement of the cup assemblies. The system has a first motor exclusively for the operation of the vertical displacement device; device for the measurement of the intensity thereof, and a control unit which independently governs the first motor and halts it when the intensity measured exceeds a pre-set range of values.

Abstract: A method for laser processing of workpieces in liquid, the method including the following steps: providing a workpiece in a process chamber filled with a liquid; focusing pulsed laser radiation on a surface of the workpiece using a focusing unit; producing a relative movement between the focused laser radiation and the workpiece surface using a positioning unit; detecting a gas bubble in a predefined detection region using a detection unit; and conducting a first action to avoid or reduce interaction effects between the laser radiation and the detected gas bubble.

Abstract: A brewing cavity and a coffee brewer including the brewing cavity are provided. The brewing cavity includes a brewing cavity shell and a brewing chamber having a groove with an inner diameter less than that of the brewing chamber. A side wall of the groove has a coffee outlet communicatively connected with an exterior. A bottom portion of the groove is provided with a through hole internally provided with a coffee seal ring. A pressure sealing water outlet element is fixedly mounted on an upper end surface of the groove. A filtering portion for filtering coffee is arranged above the pressure sealing water outlet element. A first sliding hole in the filtering portion, a second sealing sliding hole in the pressure sealing water outlet element and a third sealing sliding hole in the coffee seal ring are internally provided with discharge portion capable of sliding along the through hoe axially.

Abstract: The present disclosure relates generally to a beverage nucleator system that can initiate ice crystal nucleation by application of a directed flow of pressurized gas to the exterior of the fluid container containing a supercooled beverage. More specifically, the present disclosure relates to a beverage nucleator system for a supercooled beverage container which may include a frame having a beverage container aperture for receiving a beverage container therein and a gas outlet positioned within the beverage container aperture for directing a flow of pressurized gas at a beverage container received therein.

Abstract: Provided are a quantitative division unit, a quantitative division method, and a food production method capable of accurately quantitatively dividing a paste ingredient while preventing the damage of the ingredient. A first plunger and a second plunger are shifted from a first driving state to a second driving state in such a manner that the paste ingredient is introduced between the first plunger and the second plunger via a first port due to a negative pressure generated in the area of an internal space between the first plunger and the second plunger. The first plunger and the second plunger are shifted from the second driving state to a third driving state where at least a part of the paste ingredient between the first plunger and the second plunger is disposed so as to face the second port. The first plunger and the second plunger are then shifted from the third driving state to a fourth driving state so as to feed the paste ingredient to the outside via the second port.

Abstract: A high-resolution additive manufacturing system based on a parallel printing method using a spatial light modulator. A method and system for additive manufacturing using a DMD in the laser beam path. The use of a pre-heat laser beam in combination with a build laser beam having a DMD along the build laser beam path.

Abstract: Discussed is a surface type heating element which generates heat using electricity and a method of manufacturing the surface type heating element. The surface type heating element includes a NiCr alloy and has an adhesive strength of 3 N or more with respect to a substrate or an insulating layer and an electrical resistivity of 10?4 to 10?2 ?cm, and thus it can be used even at a high operating temperature of 400° C. or more, suppresses the elution of the material itself, and has high fracture toughness, a low coefficient of thermal expansion, and heat resistance, resulting in improvement of the reliability and lifetime of the product.

Abstract: A food material processing mechanism (71) includes: a conveyance unit (11) that conveys a soft food material (81) in a conveyance direction (D1); a support unit (30) that is provided rotatably with respect to a rotation shaft extending in a width direction (D2) orthogonal to the conveyance direction (D1), to support the soft food material (81) conveyed by the conveyance unit (11); and a pressing unit (40) that presses a part of a folded portion (81a) of the soft food material (81) supported by the support unit (30) by jetting air thereto, to form a bending reference portion (85) serving as a reference portion for bending.

Abstract: A manufacturing method for joined bodies that allows galvanic corrosion to be reduced is provided. The method is for manufacturing a joined body obtained by joining together a mating member made of ferrous metal and a non-ferrous metal material. The method includes: a press fit step of press-fitting a joining element made of ferrous metal into a predetermined surface of the non-ferrous metal material; and a welding step of forming a melted portion between an exposed portion of the joining element press-fitted into the non-ferrous metal material and the mating member. After the press fit step, a part of the joining element is exposed from the predetermined surface and the remaining part of the joining element is not exposed and is buried in the non-ferrous metal material. The remaining part of the joining element includes a lodging portion having a surface facing to the predetermined surface.