Abstract: Provided is a movable electro-hydraulic composite drive spraying robot with a large working space, comprising movable bases, there being a plurality of movable bases cooperatively arranged for bearing a drive rope adjustment module, profile supporting columns in the driving rope adjusting module respectively being fixed on the movable bases, the plurality of movable bases encircling an operating space, a adjustable auxiliary motion platform that is movable being erected in the operating space, a rotary motion platform being arranged below the adjustable auxiliary motion platform, the adjustable auxiliary motion platform and the rotary motion platform being connected by means of a hydraulic push rod, the bottom end surface of the rotary motion platform being provided with a spray gun, and a balance mechanism and a fixed support mechanism for balancing the traction force of the rope and maintaining the balance of the mechanism also being mounted on the movable bases.

Abstract: A semiconductor process system includes a semiconductor process chamber having an interior volume. A pump extracts gases from the semiconductor process chamber via an outlet channel communicably coupled to the semiconductor process chamber. The system includes a plurality of fluid nozzles configured to prevent the backflow of particles from the outlet channel to interior volume by generating a fluid barrier within the outlet channel responsive to the pump ceasing to function.

Abstract: The present disclosure provides a device for controlling the shape of an aerosol particle condensation growth flow field through an electromagnetic field. The device includes an aerosol growth device and a power supply. The aerosol growth device includes a porous medium, magnetic rubber and an electromagnet group. The magnetic rubber is sleeved in an inner cavity of the electromagnet group, and the porous medium is sleeved in an inner cavity of the magnetic rubber. The magnetic rubber is clung or clings to the porous medium, and the power supply is connected with the electromagnet group. The present disclosure also provides a method for controlling the shape of the aerosol particle condensation growth flow field through the electromagnetic field.

Abstract: A portable apparatus for dispensing and foaming of a product, including: a product container which contains a product that is to be foamed by and dispensed from the apparatus; a gas container, at least containing a gas, for example a single gas or a gas mixture, wherein the gas substantially does not contain any greenhouse gases such as N20; a dispersion device, having a product entrance that is connectable to the product container for receiving product, the dispersion device further being connectable to the gas container for supplying the gas to the product during product discharge; a processing device downstream of the dispersion device for performing a mixing treatment and/or pressure reduction on the product provided with the gas; and a product dispensing head, being part of a top section of the apparatus and being arranged downstream of the processing device.

Abstract: A fluid sprayer includes a housing, a reservoir, a pump fluidly connected to the reservoir, and an adjustable nozzle assembly positioned downstream from the pump and configured to receive fluid discharged by the pump. The adjustable nozzle assembly includes a nozzle mount fixedly supported by the housing. The nozzle mount includes a conduit in fluid communication with the pump and a pressure seal assembly located within the conduit. The adjustable nozzle assembly also includes a wheel assembly rotatably coupled to the nozzle mount. The wheel assembly includes a selection wheel, a first nozzle coupled to the selection wheel, and a second nozzle coupled to the selection wheel. The wheel assembly is rotatable between a first position at which the first nozzle is located in fluid communication with the conduit and a second position at which the second nozzle is located in fluid communication with the conduit.

Abstract: Due to the dynamic mechanical loads to which motor vehicle traction batteries are subjected, housings of battery cells of the traction batteries are covered at least in part by an electrically insulating layer made from a coating material. For this purpose, a method and a coating station for carrying out the method are proposed. The method is performed with a liquid electrically insulating coating material, by applying separately produced individual drops of the coating material using a coating applicator. The drops form coating points on an outer surface of the housing, which coating points are applied sequentially with the coating applicator, adjacently to one another or overlapping, so that together they form coating lines.

Abstract: A surface treatment device for applying a surface treatment to an inner surface of a hollow engine shaft includes a supply of a surface treatment agent and an elongated rod extending from a proximal end to a distal end. The rod has an inner passage extending from the proximal end to the distal end. The proximal end has an inlet fluidly coupled to the supply. The inner passage terminates at an outlet at the distal end. The rod is insertable inside the shaft. An input device is operable for controlling a delivery of a predetermined quantity of the surface treatment agent from the supply. An applicator disposed at the distal end of the rod adjacent the outlet is engageable with the inner surface of the shaft for applying, upon activation of the input device, the predetermined quantity of the surface treatment agent to the inner surface of the shaft.

Abstract: Methods of treating a substrate, e.g., forming a coating on the substrate, are described. The method may include applying a solution comprising a multifunctional molecule or a multifunctional-polymer molecule to at least a portion of a surface of the substrate. The surface may comprise a metal or metal alloy and the multifunctional molecule or a multifunctional-polymer molecule may bond to the surface via at least one sulfur group of a plurality of sulfur groups of the multifunctional molecule. The method may include combining the multifunctional molecule with a polymer molecule to form the multifunctional polymer molecule before or after applying the solution. The polymer molecule may bond to an internal carbon group or a terminal sulfur group of the multifunctional molecule.

Abstract: Provided is a method for preparing a silica layer, comprising bringing to gelation a precursor layer formed from a precursor composition comprising a silica precursor, an acid catalyst and a surfactant.

Abstract: A method for producing a decorative surface having different gloss levels preferably comprising the following steps: (C) feeding of a workpiece (1.0), which is coated with at least a first lacquer layer (1.4) to a digital printing station; (D) provision of digital control data for the digital printing station; (E) digital spraying of droplets on partial areas of the first lacquer layer (1.4) on the workpiece (1.0) with an at least partially transparent lacquer in order to apply a second lacquer layer (1.5) on the first lacquer layer (1.4), wherein after curing the second lacquer layer (1.5) has a different gloss level than the first lacquer layer (1.4). Further disclosed is an apparatus for carrying out this method.

Abstract: A method for pre-treating a catheter prior to using the catheter in a medical procedure, and a related apparatus, are provided. The method comprises exposing, in a plasma chamber positioned in a medical care center, and under sterile conditions, intraluminal surfaces and extraluminal surfaces of the catheter to plasma. The plasma is electromagnetically-generated adjacently to the intraluminal surfaces and extraluminal surfaces, thereby rendering, at least temporarily, the intraluminal surfaces and extraluminal surfaces of the catheter hydrophilic.

Abstract: Techniques related to retroreflective surface layers for micro-mobility transit vehicles are disclosed. A retroreflective surface layer may be formed over at least a portion of a component of a micro-mobility transit vehicle by forming a powder coat layer over the portion of the component and baking the powder coat layer to cure the powder coat layer. An uncured clear coat layer may be formed over the powder coat layer. The uncured clear coat layer may be impregnated with a plurality of glass beads via an air-pressure applicator. The uncured clear coat layer impregnated with the glass beads may be baked to cure the clear coat layer. The retroreflective surface layer may include the powder coat layer, clear coat layer, and the plurality of glass beads distributed within the clear coat layer. The retroreflective surface layer may reflect incident light back to its source with minimal scattering of the light.

Abstract: A system for buoyant particle processing includes: a reaction vessel, a stirring mechanism, a set of one or more pumps, and a filter. The system can additionally or alternatively include a set of pathways and/or any other suitable component(s). A method for buoyant particle processing includes: stirring the contents of a reaction vessel; washing a set of buoyant particles; and filtering the contents of the reaction vessel. Additionally or alternatively, the method can include any or all of: preprocessing the set of buoyant particles; adding a set of inputs to the reaction vessel; washing the set of buoyant particles; repeating one or more; and/or any other suitable process(es).

Abstract: Disclosed are an acoustic wave type electric cleaning and care tool and a pressure warning device for same. Upper and lower drive shaft bearings are fixed on a drive shaft. The upper bearing is fixed in left and right brackets by a fixed surface and is stationary. The lower bearing is fixed in the brackets by a upper fixed surface and perform a relative movement such that the lower bearing is separated from or contact with the upper fixed surface. The alarm device comprises a lever, a light-emitting element and a photosensitive element. The lever is provided with a shielding surface and/or a light-shielding protrusion. Light energy is changed by the change of gap between the shielding surface and/or the light-shielding protrusion and the photosensitive element. The change in electrical performance parameters of the photosensitive element is detected to acquire a load pressure on a cleaning element and realize pressure alarm.

Abstract: Disclosed is an inclined mobile screen for processing road building materials which provides for easy reconfiguration of the screen from operation configuration to a transport configuration and to a maintenance configuration, which allows for increased clearance between the screen and a feed conveyor without requiring a hydraulic actuator disposed therebetween. Nested telescopic supports are selectively coupled together in an offset connection to allow changes in the orientation of the screen to result in changes in the separation between the screen and the conveyor so as to allow for more clearance therebetween during time of maintenance.

Abstract: A hydraulically powered separator includes a separation chamber, an auger, a restrictor ring mounted at an output end of the chamber, a hydraulic cylinder having a reciprocating ram, a proportional hydraulic valve operatively coupled to the hydraulic cylinder, and a controller operatively coupled to the proportional hydraulic valve so as to control the hydraulic cylinder in a closed-loop manner. The chamber receives and processes a food product and has a cylindrical screen including a plurality of apertures. The auger is rotatably disposed within the chamber and an annular space and a volume is defined between the auger and the screen. The restrictor ring can be linearly and reciprocally displaced. Linear displacement of the restrictor ring varies a size of the volume. Movement of the ram causes pivoting movement of the restrictor ring to reduce or increase the size of the volume.

Abstract: Provided is a method for processing electronic and electrical device component scrap, which can improve an efficiency of sorting of raw materials fed to the smelting step from electronic and electrical device component scrap, and reduce losses of valuable metals. A method for processing electronic and electrical device component scrap which includes sorting electronic and electrical device component scrap by wind powder sorting to remove plate-shaped materials containing valuable metals included in the electronic and electrical device component scrap, and then sorting the resulting sorted objects by magnetic sorting.

Abstract: Method for controlling the mechanical strength of a container, in particular made of glass, by a control apparatus which provides for actuating the control on a control zone extending along an entire circumferential perimeter of the outer surface of the container in which it provides for forwarding the container according to a forwarding direction, simultaneously rotating the container about the axis of symmetry thereof orthogonal to the forwarding direction, then controlling the container during the rotation, exerting a control pressure onto the control zone, the control being divided into several steps, in which in each step it is provided to exert the control pressure on a respective portion of the control zone and which provides that each single container is subjected in sequence to each step during the forwarding thereof and the rotation thereof.

Abstract: The method of uniquely identifying a product for subsequent recycling includes marking a surface of the product with a first trace signature being representative of the manufacturer of the product.

Abstract: In some embodiments, the present invention provides an exemplary system that includes a mechanism configured to create by a digital mailing services provider, DMSP, a recipient-specific handling information indicia and provide said recipient-specific handling information indicia to a recipient; a mechanism configured to allow the recipient to provide said handling information indicia in delivery address C/O line, on a mail item, thereby indicating to said service provider their desired handling route for the mail item so that a paper mail recipient to receive improved transmission of correspondence from said service provider via both paper and electronic channels solely via including said handling information indicia contained in the delivery address C/O line of the recipient's delivery address on the mail item.

Abstract: A multi-level induction station is disclosed. The multi-level induction station includes multiple sorting levels arranged in a vertical stacked configuration; a vertically traveling automated lift that carries articles vertically between the sorting levels along a frame positioned proximate to the multiple sorting levels; an information acquisition device positioned to read information from an article on the lift; multiple transport devices positioned on the sorting levels to receive the articles; and a control system that directs the multi-level induction station to determine a destination for an article and direct the lift to a platform where a transport device is at an article-receiving position at the sorting level to receive the article.

Abstract: A method of cleaning controlled and regulated equipment. A tool handle is pivotably connected to a tool head frame that includes a leading edge opposite a trailing edge between parallel first side and second side edges, where the leading edge and the trailing edge are non-parallel. The tool head frame is disposed in proximity to a tray having a compartment with a pad assembly and a cleaning solution disposed therein. The pad assembly is movable within the compartment between first and second positions. The tool head frame is hands-free attached to the pad assembly in the first or second position and hands-free detached from the pad assembly in the second position.

Abstract: The present invention relates to a device for cleaning and polishing connections of underwater equipment, comprising: a connection element (3) adapted to be connected to a torque-generating device; a cleaning-fluid-discharge device (2) comprising at least one cleaning-fluid reservoir (20); and a cleaning element connected to the discharge device via a support (4) for the cleaning element, wherein the support (4) for the cleaning element comprises at least one channel (41) that in a fluidic manner connects the at least one cleaning-fluid reservoir (20) to the cleaning element.

Abstract: A fume hood control system includes a fume hood. The fume hood includes a sash, an exhaust valve, and a hood enclosure positioned within an environment. The exhaust valve is transitionable between a number of positions. The fume hood control system includes a controller. The controller is configured to determine a differential pressure measurement, determine a current position of the exhaust valve, determine a position of the sash, and control the operation of the exhaust valve to selectively transition between the current position of the exhaust valve and an updated position of the exhaust valve based on at least one of: (1) a difference between a setpoint differential pressure value and the differential pressure measurement and (2) the position of the sash.

Abstract: A method of processing a substrate in semiconductor fabrication is provided. The method includes supplying a mixture from a storage module to a chamber via an inlet conduit. The method further includes detecting the concentration of a substance in the mixture. The method also includes dispensing the mixture over a substrate disposed in the chamber. In addition, the method includes supplying a supply solution including the substance to the chamber via the inlet conduit and dispensing the supply solution over the substrate when the concentration of the substance in the mixture is less than a desired value. The supply solution is supplied to the inlet conduit at a first position that is at a portion of the inlet conduit extending in the chamber.

Abstract: An apparatus and method for automatic clean connection that is capable of automatically performing the connection and separation of a male coupler to and from a female coupler and cleaning and drying liquid contact parts of the male coupler and the female coupler. According to the present invention, the apparatus for automatic clean connection, which loads or unloads chemicals from one side tank into the other side tank, the apparatus including: a main body having a female coupler connected to the other side tank; a coupler connection module for moving a male coupler connected to one side tank in a direction of a y-axis to allow the male coupler to be fastened to or separated from the female coupler; and a coupler cleaning module for cleaning or drying liquid contact parts of the male coupler and the female coupler.

Abstract: A method of cleaning a stage in a plasma processing apparatus including the stage on which a substrate is placed, a lifting mechanism configured to raise and lower the substrate with respect to the stage, and a high-frequency power supply connected to the stage, includes: separating the stage and the substrate from each other using the lifting mechanism; and after the separating the stage and the substrate from each other, removing a deposit deposited on the stage with plasma generated by supplying a high-frequency power from the high-frequency power supply to the stage. In the separating the stage and the substrate from each other, a separation distance between the stage and the substrate is set such that a combined impedance formed around an outer peripheral portion of the stage is lower than a combined impedance formed immediately above a central portion of the stage.

Abstract: An improved pilot system that allows an automatic maintenance valve to be flushed of buildup. The improved pilot system is used to flush the three chambers of an automatic control valve. The pilot system comprises of lines, ball valves, a strainer, a restrainer plug, a flow stabilizer, a flow restrictor, a pressure reducing pilot, and a couple of isolating valves.

Abstract: A surface cleaning tool has a frame supporting a resiliently flexible panel supported by the frame in an arcuate configuration such that at least one of first and second opposite end portions of the resiliently flexible panel can be moved closer to the other end portion.

Abstract: Systems and methods for controlling extraction of landfill gas from a landfill via a gas extraction system are provided herein. According to some aspects of the technology, there is provided site-level control methods for globally controlling one or more wells based on one or more characteristics of aggregate landfill gas collected from a plurality of wells at a gas output. According to some aspects of the technology, there is provided well-level control methods for locally controlling a first well based on or more characteristics of landfill gas collected from the first well. According to further aspects of the technology, there is provided hybrid control methods for making adjustments to a respective well based on both site-level and well-level control methods.

Abstract: Provided is a method for rolling a steel sheet and a method for manufacturing a steel sheet capable of preventing occurrence of defects in appearance of a steel sheet caused by oil spots of a coolant and preventing occurrence of defects in shape of a steel sheet by appropriately controlling thermal deformation of work rolls. The method for rolling a steel sheet according to the present invention is a method for rolling a steel sheet involving feeding of a coolant to rolls that form a rolling mill during the rolling. The method includes keeping a coolant feeding rate at or lower than a predetermined rate lower than an upper constant rate at a start of operation of the rolling mill, and increasing the coolant feeding rate to the upper constant rate in response to an amount of center buckles of the steel sheet reaching or exceeding an upper target value.

Abstract: A cell phone frame includes a composite plate, the composite plate encloses a accommodation space for accommodating the cell phone, the composite plate includes a first plate and a second plate, a first side surface of the first plate is provided with striations, the first side surface of the second plate and the first side surface of the first plate are rolled to connect, and the striations of which adjacent ones have a pitch of 0.005 mm to 0.03 mm account for more than 90% of all the striations. The first side surface of the first plate is roughened to form striations, which increases the area of the first plate and the second plate subjected to rolling, so that a composite plate produced by combining the first plate and the second plate has a higher bonding strength, thereby ensuring that the cell phone frame is firmer.

Abstract: A heating device and a method for the inductive heating of a flat steel strip in a hot rolling mill. The heating device is between two rolling trains of the hot rolling mill and the flat steel strip runs at a speed through the heating device in a transporting direction. The heating device includes: transverse-field modules arranged one after the other along the transporting direction of the flat steel strip; longitudinal-field modules arranged one after the other along the transporting direction of the flat steel strip and arranged before or after the transverse-field modules along the transporting direction; a first power supply supplying at least one transverse-field module with a first alternating voltage; and a second power supply supplying at least one longitudinal-field module with a second alternating voltage. The power supplies have a converter and an electrically connected capacitor bank with multiple capacitors connected in parallel.

Abstract: A hot extrusion die for a special-shaped square pipe includes a die cavity sleeve with a special-shaped cavity. A hot extrusion mandrel is arranged in the die cavity sleeve. An area between the die cavity sleeve and the hot extrusion mandrel forms a die cavity hole. A first extrusion diversion hole and a second extrusion diversion hole are arranged below the die cavity hole. An integral centroid of the die cavity hole is located at a circle center of a radial cross section of the die cavity sleeve. Further disclosed is a hot extrusion integral forming method for a special-shaped square pipe, including: heating and expanding a blank material; heating the blank material again after expanding; performing hot extrusion on the blank material; and cooling the formed special-shaped square pipe in air to a room temperature, and inspecting surface quality and mechanical properties of the special-shaped square pipe.

Abstract: A dummy block for a metal extrusion press includes: a generally cylindrical base having a forward surface and an outwardly extending circumferential flange; an expandable collar coupled to the base, the collar having an inwardly extending circumferential rib abutting the circumferential flange; a plunger disc seated against the forward surface of the base and accommodated by the collar, and a plunger shaft extending through the plunger disc and coupled to the base.

Abstract: Systems, methods, and devices for perforating louver perforations into a pipe are contemplated. Systems, methods, and devices for transporting pipes for perforation are contemplated. Systems, methods, and devices for performing quality control inspections of such perforations contemplated. A pipe may be oriented vertically and raised over a device that punches perforations into the pipe from the inside of the pipe toward the outside of the pipe. Various supports may contact the pipe for stabilization and to facilitate the formation of perforations without removing cut away pieces from the pipe. Electronic monitoring of the features of the pipe facilitate quality control inspection during processing. In this manner, a structurally robust pipe having a series of louver perforations along the pipe may be formed.

Abstract: A panel straightening device including a bar supporting a draw rod movably mounted on the bar and an element for controlling the movement of the draw rod in relation to the bar. The draw rod includes at one of the ends thereof a first attachment feature to a tool for drawing the panel to be straightened. The drawing tool includes a second attachment feature, capable of cooperating with the first attachment feature of the draw rod. The first attachment features is connected to the second attachment feature by a sliding pivot connection.

Abstract: A device and a method are provided for shaping sheet metal. The device is provided with a plurality of support and clamping elements which are designed to cooperate with one another so as to clamp the sheet metal for a shaping process by mechanically contacting the sheet metal and by holding, orienting, and/or positioning processes. A plurality of actuators are designed to orient and/or position the plurality of support and clamping elements. A controller for the actuators is designed to control the plurality of actuators for adjusting the orientation and/or position of the support and clamping elements.

Abstract: A press forming method for controlling a shape change of a press formed part over time after the press formed part springs back at a moment of a release from a press-forming die includes: a press forming step of press forming a metal sheet into the press formed part by using the press-forming die; a die releasing step of releasing the press formed part, which is press-formed, from the press-forming die; and a post-release die holding step of holding the released press formed part in a forming bottom dead center shape for 30 minutes or more by using the press-forming die.

Abstract: A forming system for forming a metal pipe having a hollow shape includes a forming apparatus including a gas supply portion that supplies gas into a heated metal pipe material when forming the metal pipe, and a discharge unit that discharges the gas into the formed metal pipe, in which an exhaust port of the discharge unit is positioned in an internal space of a structure including the internal space.

Abstract: A punching apparatus includes a punch holder and a punching tool. The punch holder includes a guiding body having a mounting cavity to slidably receive the punching tool and a driving assembly connected to the guiding body and provided with a beating element having first and second connecting ends coupled by a threaded coupling that enables a relative rotation for a linear movement of the punching tool with respect to the beating element. A stopping element has a first end fixed inside a connecting cavity in one of the connecting ends and arranged to receive the other connecting end and a second end inserted into a stopping cavity of the other connecting end and sliding inside the stopping cavity.

Abstract: A machine and its associated process for upset forging the ends of deformed reinforcement bars are disclosed. The machine includes 2 split clamping dies and an upsetting die, and they are housed in separate casings so that the clamping action is independent from the upsetting die. The clamping dies and the upsetting die form a continuous cavity for accommodating the forging of long bars. The upsetting die has a upsetting cavity with radial closed cross-section, and the whole forging process is performed inside this closed cavity to ensure it's a true closed-die forging process, which results in precise upset diameter with improved roundness of the rebar.

Abstract: A riser tube coating for a cast aluminum alloy includes a coating-riser tube contact layer material and a coating-aluminum liquid contact layer material. The present invention has a coating protection effect to the maximum mainly by designing ratios of ZrO, Al2O3, ZnO, binders and other materials and a coat drying heat treatment process, and finally realizes effects of protecting a riser tube, being free of aluminum sticking and prolonging a service life.

Abstract: A molten metal purification device for purifying molten metal flowing through a flow body having a flow path formed by a pair of opposed side walls and a bottom wall. The device includes internal and external members provided inside and outside the flow body, respectively. The internal member includes an electrode body provided inside the path made of a conductive member and has a pair of opposed electrodes provided in the path where current flows across the electrodes through the molten metal and a non-conductive filter. The external member is configured as a magnetic field device having an upper surface side magnetized to an N or S pole and disposed below the flow body. Lines of magnetic force coming out from the N pole or entering the S pole intersect with the current to generate Lorentz force for driving the molten metal along a flowing direction in the path.

Abstract: Provided is an online cooperative control method for soft reduction and heavy reduction in bloom continuous casting. A quantitative relationship of a theoretical ultimate reduction amount to a reduction position is accurately determined according to an offline three-dimensional solidification and heat transfer model for a continuous casting bloom and a three-dimensional reduction model for a continuous casting bloom under thermo-mechanical coupling; a thermal state of a continuous casting bloom, soft reduction and heavy reduction zones, and a total reduction amount are calculated in real time with an online three-dimensional solidification and heat transfer calculation model for a continuous casting bloom; actual reduction amounts of the rollers for soft reduction and heavy reduction are calculated and distributed online based on a real-time equivalent central solid fraction and a theoretical ultimate reduction amount of each reduction roller.

Abstract: An exemplary die casting press includes a moveable platen that can be actuated to move toward and away from a fixed platen along tie bars. A fixed die is mounted on the fixed platen and a moveable die is mounted on the moveable platen. A die locking system has a locking post that is attached to and extends from the fixed die and a locking cam that is attached to the moveable die. An actuator moves the locking cam between a locked position and an unlocked position to engage and disengage from the locking post, respectively.

Abstract: A method for manufacturing a porous metal body according to the present invention includes: a surface oxidizing step of heating a titanium-containing powder in an atmosphere containing oxygen at a temperature of 250° C. or more for 30 minutes or more to provide a surface-oxidized powder; and a sintering step of depositing the surface-oxidized powder in a dry process, and sintering the surface-oxidized powder by heating it in a reduced pressure atmosphere or an inert atmosphere at a temperature of 950° C. or more.

Abstract: Methods for removing support structures in additively manufactured parts are disclosed. A method in accordance with an aspect of the present disclosure comprises inserting a demolition object in a first state into a hollow portion of a 3-D printed part, breaking a support structure within the hollow portion by contact with the demolition object, changing the demolition object into a second state while the demolition object is within the hollow portion of the 3-D printed part, and removing the demolition object from the hollow portion of the 3-D printed part.

Abstract: Provided is an additive manufacturing apparatus for additive manufacturing of three dimensional objects by selectively solidifying a powder material layer by layer in a process chamber, wherein the apparatus comprises a powder distributor movable across a build area of a build tank for applying a layer of powder material thereon and a solidification device for selectively solidifying the applied powder layer at positions corresponding to a cross section of the object to be manufactured and a control unit adapted to repeat the steps of applying and selectively solidifying until the object is completed, wherein at least one support structure for supporting the powder distributor and/or a bellows assembly associated there-with is connectable to a cooling/heating media supply outside the process chamber and the support structure and/or the bellows assembly is adapted for transporting the cooling/heating media to and from the powder distributor.

Abstract: A manufacturing method of alloy powder comprises a liquid film forming step, a supplying step and a dividing step. In the liquid film forming step, a high speed fluid made of coolant liquid is shaped into a liquid film which has a predetermined thickness of 0.1 mm or more and receives a predetermined acceleration of 2.0×104G or more along a thickness direction. In the supplying step, molten alloy which is not divided into a size of the predetermined thickness or less is supplied to the liquid film. In the dividing step, the molten alloy is divided into the size of the predetermined thickness or less by the high speed fluid to make alloy particles and keeping the alloy particles in the liquid film by the predetermined acceleration so that the alloy particles are continuously cooled in the high speed fluid.