Abstract: Compositions useful for foundry processes such as green sand casting are discussed. The compositions may comprise an aggregate, at least one inorganic binding agent, and at least one high aspect ratio silicate. For example, the composition may comprise sand, one or more clay materials serving as a binding agent, and a high aspect ratio silicate chosen from mica, talc, or a combination thereof. The composition may be formed into a green sand mold for use in casting molded articles. Incorporation of the high aspect ratio silicate may help to improve the quality of the casted article.

Abstract: Equipment and a machine and a process for continuously casting strips of battery foils and/or strips of battery grids. The battery foils and grids are composed of lead or a lead alloy material. The foils, in particular, can be employed as current collectors in bipolar batteries. The machine, per an implementation, has a mold ring, a movable belt, one or more rollers, and one or more shoes. The mold ring rotates and has a mold cavity. The mold cavity can establish foil molds or grid molds. The movable belt moves about the roller(s) with a face in confrontation with the mold ring. The shoe(s) urges the movable belt into engagement with the mold ring. Liquid lead is delivered to the mold cavity adjacent the location in which the movable belt engages the mold ring amid use of the machine.

Abstract: The invention concerns an exchangeable nozzle for a nozzle changer system for billet casting, a method for manufacturing such a nozzle, a nozzle changer system comprising such a nozzle and a tundish comprising such a nozzle changer system.

Abstract: The present invention relates to a substrate-triggered single crystal superalloy directional solidification process, including: (1) preparing a single crystal substrate material having crystallographic characteristics that match crystallographic characteristics of the single crystal superalloy; (2) fabricating a single crystal substrate chilling plate using the obtained single crystal substrate material; and (3) applying the obtained single crystal substrate chilling plate in a directional solidification apparatus, and then preparing a single crystal alloy product by performing superalloy melting and directional solidification.

Abstract: A method for producing a strip using a rapid solidification technology is provided. A melt is poured onto a moving outer surface of a rotating casting wheel, the melt is solidified on the outer surface and a strip is formed. A gaseous jet is directed at the moving outer surface and the outer surface of the casting wheel is worked with the jet. The jet comprises CO2 and at least part of this CO2 strikes the moving outer surface of the casting wheel in a solid state.

Abstract: A shaping composition for controlling deformation of a green body object during heat fusing can include a liquid vehicle present at from 10 wt % to about 80 wt %, based on a total weight of the shape retaining composition, and a metal particulate mixture present at from about 20 wt % to about 90 wt % based on a total weight of the shaping composition. The metal particulate mixture can include aluminum-containing particulates and secondary metal-containing particulates. The metal particulate mixture can have an aluminum elemental content to secondary metal elemental content atomic ratio of about 10:1 to about 1:2.

Abstract: A component has a solid structure that is manufactured using a laser or electron beam in an additive manufacturing process. The solid structure is formed from at least one material selected from the group consisting of molybdenum, a molybdenum-based alloy, tungsten, a tungsten-based alloy, and a molybdenum-tungsten-based alloy. The component includes one or more alloying element which at least in the temperature range ?1500° C. has/have a reducing effect, as follows: in the case of molybdenum and the molybdenum-based alloy, for MoO2 and/or MoO3; in the case of tungsten and the tungsten-based alloy, for WO2 and/or WO3; and, in the case of the molybdenum-tungsten-based alloy, for at least one oxide from the group of MoO2, MoO3, WO2 and WO3. The alloying element, or at least one of the alloying elements, is present both in at least partially unoxidized form and in oxidized form.

Abstract: A method of forming an article comprises forming a feed material around one or more shapeholders and sintering the feed material and the one or more shapeholders to form a sintered article comprising the one or more shapeholders in a base material. The sintered article is exposed to a solvent to remove the one or more shapeholders from the base material. Additional methods are disclosed, as well as articles including one or more microchannels exhibiting a diameter of from about 5 ?m to about 10 mm.

Abstract: A build plate assembly configured for use with an additive manufacturing machine. The build plate assembly includes a build plate defining a receptacle extending through the build plate. An insert is seated in the receptacle and movable within the receptacle. The insert includes a build surface configured to support a product built thereon by the additive manufacturing machine. The insert is seated on a base including a heating element configured to heat the insert. The insert is configured to expand within the receptacle when heated by the heating element. The receptacle is configured to accommodate the expansion.

Abstract: An irradiating method for the additive production of a component in order to heal structural defects in an additively constructed structure for the component. The method includes the providing of a laser or electron beam and the selective irradiating of a defect region of an additively constructed layer of the structure by the laser or electron beam according to a predetermined, in particular closed trajectory, which defines the defect region, wherein the defect region contains a structural defect. A method for additive production, a correspondingly produced component and a computer program product utilize the method.

Abstract: A sintered material includes a composition composed of iron-based alloy, and a texture containing 200 or more and 1350 or less of compound particles having a size of 0.3 ?m or more per unit area of 100 ?m×100 ?m in a cross section, and a relative density is 93% or more.

Abstract: A method for producing mesoporous platinum nanoparticles without using templating agents is provided. The method involves preparing a solution comprising water, platinum nanoparticle seeds, a platinum salt and a reducing agent, and heating the solution to a temperature between 150° C. and 250° C. at a rate of between 1° C./min and 15° C./min under a pressure of between 5 and 20 atm. The method allows obtaining mesoporous platinum nanoparticles having controlled shape and controlled pore dimensions. The mesoporous platinum nanoparticles are useful as catalysts in chemical precision reactions and for the production of artificial enzymes for diagnostics and nanomedicine applications.

Abstract: A cutting tool is a cutting tool comprising a substrate and a coating film disposed on the substrate, in which the coating film includes a first layer, the first layer is composed of an alternate layer where a first unit layer and a second unit layer are alternately stacked, the first unit layer is composed of Ti1-a-bAlaCebN, a is 0.350 or more and 0.650 or less, b is 0.001 or more and 0.100 or less, the second unit layer is composed of AlcV1-cN, c is 0.40 or more and 0.75 or less, and a and c satisfy a relationship of c>a.

Abstract: A clamping tool holder includes a tool holder body and a clamp for clamping a cutting insert. The clamp causes the cutting insert to press against the bottom and the side walls of an insert-receiving pocket of the tool holder body. The tool holder body has an inclined surface sloping inward in a direction away from the insert-receiving pocket. The clamp has an inclined surface that acts as a ramp with the inclined surface of the tool holder body. When a clamp screw is tightened, a nub of the clamp engages an inside rearward surface of a mounting bore of the insert with face contact and a contact pad engages a top surface of the cutting insert. As a result, the clamp exerts a force downward and rearward force on the insert. In one aspect, the nub has a polygonal cross-sectional shape.

Abstract: An accessory tool includes an adapter end, and a shank coupled to the adapter end and including a first length. The shank includes a tool engagement portion, and a first reduced portion disposed between the tool engagement portion and the adapter end. The first reduced portion has a second length. The shank additionally includes a second reduced portion formed in the tool engagement portion between the first reduced portion and an end of the shank. The second length is 2.5% to 15% of a total length of the accessory tool.

Abstract: An indexable guide plate and an associated drilling tool are described in which the indexable guide plates have very small dimensions but, despite these small dimensions, have a large number of guide surfaces. As a result, the indexable guide plate according to the invention can be used for a long time, even with drilling tools having a small drilling diameter.

Abstract: The purpose of the present invention is to improve the machined-surface quality of a curved surface of a workpiece without reducing the machining speed when the curved surface is subjected to removal machining. Provided is a workpiece machining method in which a rotating table on which a workpiece is placed and a tool are relatively moved along two linear movement axes orthogonal to each other, the workpiece is rotated about each of a first turning axis and a second turning axis orthogonal to each other by the rotating table, and at least one curved surface of a protruding curved surface and a recessed curved surface is subjected to removal machining.

Abstract: A reciprocating saw includes a housing; a functional assembly including a motor supported by the housing; a sliding rod for connecting and driving the saw blade; a transmission mechanism connecting the motor and the sliding rod for driving the sliding rod to reciprocate. The reciprocating saw further includes a connecting device configured to rotatably connect the functional assembly to the housing and a buffer arranged between the functional component and the housing.

Abstract: A reciprocating saw includes a housing; a motor, disposed in a housing accommodating space and having a winding extending along a first straight direction; a first transmission wheel connected to the motor; and an input shaft driven by the motor to carry out reciprocating motion. The first transmission wheel is fixed in the accommodating space along a support shaft extending along a second straight direction, and is driven by the motor to rotate about a second straight line; the winding includes a first end and a second end along the first straight direction, a first plane perpendicular to the first straight line passes through a first end face of the first end and a second end perpendicular to the first straight line passes through a second end face of the second end; the first plane is parallel with the second plane, and the winding is located between the first plane and the second plane; at least part of the support shaft is located between the first plane and the second plane.

Abstract: A saw chain includes connecting links and drive links that are mutually connected by rivets in an articulated manner about rivet axes. The rivets project through at least one rivet opening of one connecting link and through a rivet opening of a drive link. At least one rivet has, on one end face thereof, a depression having a depression edge and a depression base surrounded by the depression edge. The distance of the depression edge from a central plane of the saw chain increases at an increasing radial distance from the rivet axis. The distance (e) of the base from the central plane does not increase at any point of the base at an increasing radial distance from the rivet axis. A greatest distance (a) of the base from the rivet axis corresponds to 50% to 100% of half the core diameter (d) of the rivet.

Abstract: A saw guide for a saw arbor guide assembly comprises a head, a body, a pad, and one or more temperatures sensors. The saw guide comprises one or more sensor channels extending between first and second faces thereof. The pad extends across at least one of the first and second faces, and the pad comprises one or more pad channels. The pad faces a corresponding saw blade. Each of the temperature sensors is located within one of the sensor channels. In addition, each of the temperature sensors comprises a sensor body, a tip, and a thermocouple. The tip extends from the sensor body and is adapted to extend, at least partially, through one of the pad channels and be spaced apart from the corresponding saw blade. The thermocouple is enclosed within the tip, with the thermocouple configured to measure changes in temperature of the corresponding saw blade.

Abstract: A method for creating a surface structure on a gear wheel in a honing process, in which at least one honing tool is moved along the gear wheel in a first direction using a first crossed axes angle, and in which, subsequently, the at least one honing tool is moved along the gear wheel in a second direction, opposite to the first direction, using a second crossed axes angle, and in which the first crossed axes angle and the second crossed axes angle are chosen such that first scoring marks produced when the at least one honing tool is moved in the first direction on a surface of the gear wheel at least partially intersect, at a given angle, respective second scoring marks produced when the at least one honing tool is moved in the second direction on the surface of the gear wheel.

Abstract: A portable pipe threader includes a stand upon which a pipe is supported, a carriage supported by the stand upon which at least one pipe threading tool is supported, a spindle including a plurality of chuck jaws for clamping the pipe, the chuck jaws configured to move radially inward along a travel path toward an outer surface of the pipe, and a sensor system configured to determine a location of the chuck jaws along the travel path and relative to the outer surface of the pipe, the sensor system configured to output a signal corresponding to the location of each of the chuck jaws when engaged with the outer surface of the pipe. The portable pipe threader further includes an electronic controller in communication with the sensor system configured to determine an outer diameter of the pipe in response to the signal output from the sensor system.

Abstract: The present invention relates to inserts for hard facing substrates, and a method for hard facing substrates. An insert according to an embodiment of the present invention may comprise a body of ultra-hard material having a welding node located on a first surface thereof and at least one wire electrically connecting the first surface to a second, opposite, surface. In use, the inserts may be temporarily connected to a substrate by applying a resistance welding electrode to the welding node, thereby causing the wires on the second surface to melt and weld the insert to the substrate. A subsequent brazing step may firmly attach the inserts to the substrate.

Abstract: The present application describes a method for attaching a first part (20) and a second part (30) for mechanical assembly to each other, the method comprising spraying a powder (10) of a ductile material onto the parts (20, 30), causing the parts (20, 30) to become attached to one another by agglomeration of this powder (10), the method comprising texturing at least one surface of one of the two parts (20, 30) onto which the spraying is subsequently carried out.

Abstract: A plasma cutting system includes a power supply that outputs first and second plasma cutting currents. A torch is connected to the power supply and includes a first cathode that receives the first plasma cutting current, a first electrode and swirl ring, a second cathode that receives the second plasma cutting current, and a second electrode and swirl ring. The torch simultaneously generates a first and second plasma arcs from the electrodes. A gas controller is configured to separately control a flow of a first plasma gas to the first swirl ring and a flow of a second plasma gas flow to the second swirl ring. A torch actuator moves the torch during cutting, and includes a motor having a hollow shaft rotor for rotating the torch during cutting. A motion controller is operatively connected to the torch actuator to control movements of the torch during cutting.

Abstract: Devices, systems, methods, and kits of parts for monitoring operation of an electron beam additive manufacturing systems are disclosed. A monitoring system includes one or more measuring devices positioned on the at least one wall in the interior of a build chamber of the additive manufacturing system. Each one of the one or more measuring devices includes a piezoelectric crystal. The monitoring system further includes an analysis component communicatively coupled to the one or more measuring devices. The analysis component is programmed to receive information pertaining to a frequency of oscillation of the piezoelectric crystal. A collection of material on the one or more measuring devices during formation of an article within the build chamber causes a change to the frequency of oscillation of the piezoelectric crystal that is detectable by the analysis component and usable to determine a potential build anomaly of the article.

Abstract: An arrangement for making a diffusion solder connection between an electrically conductive contact element and a workpiece includes a protective chamber and an acceleration device. The protective chamber has a workpiece position at which at least a portion of the workpiece is arranged. The acceleration device shoots the electrically conductive contact element into the workpiece arranged at the workpiece position.

Abstract: Methods, systems, and apparatuses for component manufacturing are provided. A component may be manufactured via an extrusion of loose substrate material into a unitary tubing. Features may be added to the tubing via friction stir additive manufacturing to manufacture a component. In this manner, a component may be manufactured from titanium alloys while processing challenges such as iron segregation or material loss through machining are ameliorated. Such a component may replace steel or other high strength components and further exhibits corrosion resistance.

Abstract: A foreign substance collecting apparatus according to one embodiment of the present disclosure may comprise: a collection body unit formed with a suction port through which air including foreign substances flows in and a discharge port through which air removed of the foreign substances is discharged; and a mixing unit provided inside the collection body unit and disposed on a flow passage of the air, and forming a vortex in washing water contained therein by inducing a rotary flow of the air.

Abstract: A laser processing apparatus according to an embodiment includes a laser light irradiation unit and a conveying stage capable of allowing a substrate to float and convey. The conveying stage includes: a laser light irradiation region; and a substrate conveying region separated from the laser light irradiation region, a surface of the laser light irradiation region facing the substrate is configured by a first member from which a first gas is capable of jetting out to float the substrate, a surface of the substrate conveying region facing the substrate is configured by a plurality of second members from which a second gas is capable of jetting out to float the substrate, and the plurality of second members in the substrate conveying region are disposed to be separated from each other.

Abstract: A method for the material-removing laser machining of a workpiece, comprising a substrate element made from a plastic with a surface, and a lacquer coating applied to the surface prior to the laser machining, wherein the lacquer coating can be removed from a workpiece with a three-dimensional extent in a large-area region of the surface.

Abstract: A method checks a focus position of a laser beam in relation to a workpiece. The method includes: focusing the laser beam at a plurality of positions along a trajectory on the workpiece; detecting radiation generated during an interaction of the laser beam with the workpiece at a respective position of the positions; determining signal values corresponding to the detected radiation at the respective position; and checking the focus position at at least one of the positions by comparing the respective one of the signal values at the respective position with a reference value formed from the signal values.

Abstract: Disclosed techniques compensate for variable forces applied to a brazing head in order to more accurately maintain application of a desired lateral force by a brazing wire, filling wire or tracking finger extending from the brazing head to a component. Orientation of the brazing head is determined relative to gravity and the angle of a movable arm of the brazing head relative to a support body of the brazing head. A lateral force value measured by a lateral force sensor is adjustable based on the determined orientation of the brazing head and the determined angle of the arm relative to the support body in order to provide a corrected or adjusted lateral force value. At least a portion of the brazing head is repositioned relative to the component if the corrected lateral force value deviates from a predetermined value.

Abstract: The flux according to the present invention includes a fatty acid amide; a first solvent having a temperature, at which its mass measured by thermogravimetry at a nitrogen flow rate of 0.2 to 0.3 L per minute and a temperature increase rate of 10° C. per minute becomes zero, of from 180° C. to lower than 260° C.; and a second solvent having a temperature, at which its mass measured by thermogravimetry at a nitrogen flow rate of 0.2 to 0.3 L per minute and a temperature increase rate of 10° C. per minute becomes zero, of from 100° C. to lower than 220° C. The flux has a content of the first solvent that is lower than a content of the second solvent. The flux does not include reducing agents for reduction removal of surface oxide films of solder, and does not include activators for improving reducibility.

Abstract: Solder paste consisting of 85 to 92% by weight of a tin-based solder and 8 to 15% by weight of a flux, wherein the flux comprises i) 30 to 50% by weight, based on its total weight, of a combination of at least two optionally modified natural resins, ii) 5 to 20% by weight, based on its total weight, of at least one low-molecular carboxylic acid; and iii) 0.4 to 10% by weight, based on its total weight, of at least one amine, and wherein the combination of the optionally modified natural resins has an integral molecular weight distribution of 45 to 70% by area in the molecular weight range of 150 to 550 and of 30 to 55% by area in the molecular weight range of >550 to 10,000 in the combined GPC.

Abstract: Discussed is an electrode lead tack welding jig for a battery cell, and the jig including a jig body configured to support at least two battery cells, and a close contact guide unit provided to both ends of the jig body and configured to guide electrode leads of the at least two battery cells to come into close contact when tack welding is performed to the electrode leads by a laser.

Abstract: A method for manufacturing double-layer fair mugs is disclosed, including steps of a shell processing, a liner processing, and a cup body processing. The liner processing forms an inwardly concave welding surface, and the cup body processing is performed by adopting a water outlet form equipment to stamp horizontally to obtain a water outlet, and then the cup body is taken out and vacuumed to obtain a double-layer fair mug. The cup body is only subjected to a horizontal force, which can avoid more burrs and scratches on an inner wall of the water outlet and thereby improving quality of finished products and production efficiency.

Abstract: The present invention provides a design method of cutting tool and its structure and the corresponding method of machining rotors. A control unit reads a workpiece parameter of a first workpiece using a sensor and produces an annulus parameter according to the workpiece parameter. The control unit further reads an angle parameter and a displacement parameter to intersect with the annulus parameter for giving a cutting edge parameter. Then the control unit produces a cutting-tool model parameter according to the cutting edge parameter and a spiral parameter. According to the cutting-tool model parameter, a cutting tool is manufactured. Afterwards, the cutting tool and the workpiece installed to a machine tool. By performing synchronous machining on a workpiece using the cutting tool, the workpiece can be cut into a rotor.

Abstract: An end effector is presented. The end effector comprises a torque wrench and a first vacuum source. The torque wrench is configured to hold a collar and apply a single-sided clamp-up to a structure. The first vacuum source is pneumatically connected to the torque wrench and configured to supply a vacuum for the single-sided clamp-up.

Abstract: A method of repairing a nonconforming article includes applying a machinable coating to an article with a nonconformance. The article includes a preform at least partially infiltrated with a matrix material, to form a repaired article. The method also includes machining the machinable coating and completing infiltration of the repaired article with the matrix material. A method of repairing an article is also disclosed.

Abstract: A longwall mining shield base lift method. The method includes removing an old wear pad and installing a new wear pad.

Abstract: The invention relates to an extraction device for a robot-assisted machine tool for surface processing. According to an exemplary embodiment, the extraction device comprises a housing with a vacuum nozzle and an outlet for connection of a hose. The extraction device also has a suspension that connects the housing to a mounting plate and is mounted on the mounting plate so as to be pivotable about an axis. A counterweight is connected to the suspension such that the counterweight substantially balances out the weight of the housing relative to the axis.

Abstract: A machine tool including a fixed cover and a movable cover for covering at least part of a machining region includes a cover control device that includes a driving circuit for driving the movable cover, an abnormality detection device that detects an abnormality while the movable cover is driven, a self-diagnosis device that performs evaluation on whether the abnormality detection device is normal, and an output device that outputs a result of the evaluation by the self-diagnosis device. The self-diagnosis device is configured to perform the evaluation on whether the abnormality detection device is normal based on an operating state of the abnormality detection device at a time when a pseudo abnormality is generated on the movable cover by driving the movable cover via the driving circuit.

Abstract: A smart tool system may include at least one assembly of a tool holder and a tool, and a tooling machine configured to rotate the at least one assembly to cut a workpiece. The tooling machine may have a spindle to which the tool holder may be selectively attachable, and a controller configured to rotate the spindle at a spindle speed. The smart tool system may also include at least one database configured to store vibrational data relating to at least one of the at least one assembly and the tooling machine. The smart tool system may further be configured to determine an optimum operating value and/or range of optimum operating values of at least one parameter for the tooling machine based on the vibrational data. The optimum operating value(s) provide for minimized or no chatter when cutting the workpiece.

Abstract: The present invention concerns a method and a system for detecting malfunctions in an apparatus and/or defects in a workpiece processed by said apparatus. The method provides for acquiring a sound signal emitted by an apparatus during an operation cycle of the same, then comparing the sound signal with a plurality of audio tracks stored in a memory area for determining a malfunction of the apparatus and/or a defectiveness of the workpiece processed by the apparatus based on the result of said comparison. The operation cycle is subdivided into a plurality of work phases and during the acquisition of the sound signal a work phase of said plurality of work phases is identified. Each audio track of the plurality of stored audio tracks comprises an audio component relating to acquired sound signals, and additional information data comprising at least one identifier of the work phase executed by the apparatus during the acquisition of the sound signals of the audio component.

Abstract: A method is provided with a step of converting shape data (51) into a plurality of voxels (55) for each of a plurality of known objects being processed, a step of setting, for each of the known objects being processed, a processing condition for a voxel (55) constituting a processing surface, a step of using the voxel (55) of the plurality of known objects being processed and the processing condition to perform machine learning in which an input is the voxel (55) and an output is a processing condition, a step of converting shape data (52) of a candidate object being processed into a plurality of voxels (56), a step of setting, on the basis of results of machine learning, a processing condition for a voxel (56) constituting a processing surface of the candidate object being processed, and a step of determining a processing condition for each processing surface of the candidate object being processed, a processing condition that is set for the largest number of voxels (56) in one processing surface being deter

Abstract: A machining tool assembly is provided for machining a blank to form a firearm lower receiver. The assembly includes a pair of side plates positionable on opposed sides of the blank to capture the blank therebetween. A template plate having a template aperture is adapted to be removeably attachable to the side plates. The template aperture is aligned with a top surface of the blank and is adapted for machining a cavity within the blank having a peripheral contour complimentary to a peripheral contour of the template aperture. A centering mechanism is adapted to be removeably attachable to the template plate, with the centering mechanism including an opening aligned with a corresponding void formed on the blank to align the blank with the template plate.

Abstract: A machine tool comprises a frame, which carries a fixed gantry for supporting at least one tool spindle. The gantry comprises a gantry recess, through which a working space is accessible. The one or more tool spindles on the gantry can each be moved vertically in a first direction and in a second direction orthogonal to the first direction. The machine tool further comprises a workpiece table with at least one location for supporting workpieces. The workpiece table is movable in translation in a third direction Y orthogonal to the first direction and the second direction. At least one tool magazine is associated with the at least one tool spindle tool spindle. Tools for tool changing can be fed through at least one magazine opening in the gantry. Tool changing between the one or more tool spindles and the at least one tool magazine takes place in a pick-up process.

Abstract: The present invention provides an electromagnetically driven fast tool servo system based on a flexible hinge combination mechanism, including a base, a voice coil motor arranged in the base, a tool mounting base connected to a coil of the voice coil motor by a first connecting portion, and a grating measurement device connected to the first connecting portion by a guide shaft arranged at a center of the voice coil motor, where the first connecting portion includes a first flexible hinge, a second flexible hinge, a first connecting member located between the first flexible hinge and the second flexible hinge, and a second connecting member located between the second flexible hinge and the coil of the voice coil motor; the tool mounting base, the first flexible hinge, the first connecting member, the second flexible hinge, the second connecting member, and an end of the guide shaft are coaxially connected in series by a first horizontal screw; the first flexible hinge and the second flexible hinge have sheet-l