Abstract: The invention relates to a detection system in a screening device for screening material, e.g. aggregate, ore or similar, comprising at least one screening decks, the at least one screening deck having a screening surface comprising one or more screening modules. The system comprises a sensor arranged at or near at least one screening deck of the screening device. The sensor is arranged such that it can detect objects present leaving the at least one screening deck. The invention also relates to a method for detection of objects in a screening device, and use of the detection system.

Abstract: A device, assembly, and methods for connecting a panel. The device includes an insert insertable at one or more structural components, the insert connectible to a hardware component, the hardware component connectible to a panel to releasably secure the panel to at least one of the one or more structural components.

Abstract: An innovative improvement of the hand-held squeegee. A curved squeegee, allowing cleaning in the crevasses of acute, obtuse, or right angles as well as flat surfaces. Uses could include household deep cleaning, animal troughs, cylinders, buckets, boats, industrial vats with solvents, glass tanks and more. Created by an avid equestrian who was sick of scrubbing the disgusting algae out of her horse's water trough. This tool is no-touch way to clean edges of surfaces. Allows the user to utilize the tool in situations where edge and crevasse cleaning or scraping is desired especially if toxic, chemical, bacteria laden, moldy, or dirty material is present.

Abstract: A disposable cleaning mitt includes a waterproof inner layer having proximal and distal ends and defining a pliable cavity configured to encase a wearer's hand. The inner layer includes an opening at the proximal end for passing the wearer's hand therethrough to enter and exit the cavity. A cleaning layer is disposed on the inner layer such that the inner layer is between the cleaning layer and the cavity. A tab is situated and accessible from inside the cavity, the tab being operatively coupled to the inner layer and the cleaning layer such that passing the tab through the opening inverts the inner layer and the cleaning layer and undelineates the cavity. The tab is configured to be pulled by at least one finger of the wearer's hand. A fastener is positioned adjacent the opening for sealing the cleaning layer inside the inner layer.

Abstract: A unit for removing an adhesive layer formed in a processing chamber includes an ultrasonic generator, and a wiper soaked in a cleaning liquid. The wiper is provided to surround the ultrasonic generator.

Abstract: An optical connector cleaning tool includes a fitting portion (44) fitted in the first or second hole (36, 37) of a connection component (32) into which a compact dual core optical connector is fitted on one end side and a cleaning medium (45) projecting from the fitting portion (44). The fitting portion (44) is formed to have a shape by which the fitting portion (44) is fitted in the first or second hole (36, 37) in each of the first and second postures as postures shifted through 180° with respect to as the center the middle (P2) of a virtual straight line connecting the centers of the two ferrules when viewed from an axial direction of the compact dual core optical connector. The fitting portion (44) contacts one ferrule in a state in which the fitting portion (44) is set in the first posture. The fitting portion (44) contacts the other ferrule in a state in which the fitting portion (44) is set in the second posture.

Abstract: The present disclosure relates to a kit for cleaning biological fluids from a surface. The kit comprises at least one protective article of clothing, absorbent powder, a trash bag, surface sanitizer, an absorbent towel, a scraper, a handle, and a dustpan. The dustpan is configured to be securely coupled to the handle. The dustpan has a lid and a base and can alternate between an open position and a self-sealing closed position. In the closed position the base and lid define an interior volume having a height along a y-axis, a width along an x-axis, and a depth along a z-axis. An adhesive strip is coupled to a lip of the dustpan and is configured to interact with a surface and temporarily engage the dustpan with the surface. The absorbent powder is a mixture of a super absorbent polymer and perlite.

Abstract: Techniques herein pertain to apparatus embodiments and methods for treating the surface of a microelectronic substrate, and in particular for removing objects from the microelectronic substrate using fluid treatment sprays such as cryogenic fluid sprays. The apparatus embodiments and methods described herein further include techniques for monitoring and/or controlling treatment processes for removing particles from surfaces of a microelectronic substrate. The techniques allow using image analysis techniques to monitor characteristics of spray nozzle(s) (e.g., frost formation on the nozzle surface) and using the resultant image information of the nozzle to take corrective action if frost or another nozzle condition is detected.

Abstract: A method for producing a tube for a chemical solution pipe composed of a cleaned fluororesin molded article, the method including cleaning a tube-shaped fluororesin molded article with a chemical solution; and cleaning the tube-shaped fluororesin molded article with water. The cleaning with water is performed after the cleaning with a chemical solution, and the chemical solution is an alcohol or an aqueous alcohol solution.

Abstract: A closet auger includes an elongated casing member extending along an axis, a cable drum rotatably coupled to the elongated casing member, a drive coupling connected to the cable drum to rotate the cable drum about the axis, and a flexible cable having a first length stored within the cable drum and a second length extending through the casing member and out from the casing member. The closet auger also includes a feed assembly having a handle movable along the casing member and a plurality of gripping members carried by the handle. Each gripping member has a first end pivotally coupled to the handle and a second end biased radially outward from the handle. The plurality of gripping members is circumferentially spaced about the axis and operable to selectively engage the flexible cable to push the flexible cable into or pull the flexible cable out of the cable drum.

Abstract: Systems and methods for deploying airbags are disclosed comprising a conveyor belt having plurality of airbag module deploy boxes. A processing area is included wherein a first end of the conveyor belt passes into the processing area, and wherein undeployed airbag modules are loaded into the plurality of deploy boxes. A deployment area is also included that is separate from the processing area, wherein a second end of the conveyor belt passes into the deployment area. At the deployment area the undeployed airbags are deployed by applying an electrical signal to the undeployed airbag modules. A collection bin is included at the second end of the conveyor belt to collect the deployed airbags.

Abstract: Provided is a processing apparatus for processing water-containing organic matters. The processing apparatus includes: a processing tank configured to store the water-containing organic matters; a stirring unit configured to stir the water-containing organic matters; a heater configured to heat the processing tank; an exhaust unit configured to exhaust gas from the processing tank at a rate from 1 m3/min to 300 m3/min; and an ion gas supply unit configured to supply ion gas into the processing tank with the exhaustion of the gas from the interior of the processing tank, the ion gas having an ion density of at least 2,000,000 pcs/cc, wherein the heater heats an interior of the processing tank while the stirring unit stirs the water-containing organic matters, and the ion gas is supplied into the processing tank according to the exhaustion by the exhaust unit, whereby processing the water-containing organic matters.

Abstract: A system for electrokinetic desalinization and enhanced chloride removal of a portion of soil includes at least one cathode; at least one anode; and a backfill around the cathode of a composition of a granular, conductive material and a backfill around the anode of a second composition comprising the granular, electrically conductive material and a calcium-containing material; an anode discharge line communicating with an interior of the anode; and a cathode discharge line communicating with the interior of the cathode tube. The presence of the calcium-containing material in the granular, electrically conductive material backfilling the anode enhances removal of chloride from the portion of soil.

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 combined casting and rolling installation and to a method for operating the combined casting and rolling installation. The combined casting and rolling installation comprises a rough-rolling mill train, a discharging device, a first transporting device, a quenching device, and at least one severing device. The rough-rolling mill train is configured to roll a continuously cast hot billet to form a rough-rolled strip. The discharging device is downstream of the rough-rolling mill train with respect to a conveying direction of the rough-rolled strip. The severing device is between the rough-rolling mill train and the discharging device and cuts up a first sub-portion of the rough-rolled strip into a rough-rolled strip piece. The discharging device discharges the rough-rolled strip piece. The first transporting device connects the severing device to the quenching device and transports the rough-rolled strip piece to the quenching device, which is configured to quench the rough-rolled strip piece.

Abstract: A rolling apparatus, including a stand, at least two rolls, which are attached to the stand by chocks and are displaceable in relation to one another in the axial direction, and at least one axial displacing device, which is assigned to a chock of at least one of the rolls and can act on this chock. The axial displacing device has a fixed block, at least one displaceable bending block and at least one displacing cylinder, which is assigned to the bending block and by which the bending block can be displaced in relation to the fixed block. The fixed block is of a multipart form.

Abstract: Slabs pass through a furnace in a conveying direction, are heated to rolling temperature, and are rolled in at least one roller stand. Determining device receives information showing the regions occupied by the slabs relative to one another when passing through the furnace in at least one direction orthogonal to the conveying direction, and determines, for at least one rolling pass of the respective slab, an adjustment of the roller stand performing this rolling pass without prior determination of a respective temperature distribution of a respective slab or without utilization of a determined temperature of a respective slab. The determining device takes into account the region occupied by the respective preceding and/or following slab, seen in the conveying direction, relative to the respective slab, and supplies the respective determined adjustment of the roller stand to a control device, which controls the roller stand when the respective slab is being rolled.

Abstract: An edge drop control device calculates a first calculated manipulated amount of a work roll shift device for bringing a difference between a measured edge drop amount and a target amount close to zero without using a work roll bender device. The edge drop control device calculates a second calculated manipulated amount of the work roll bender device for bringing a difference between a measured edge drop amount and the target amount close to zero without using a work roll shift device. The edge drop control device outputs, when the first calculated manipulated amount is out of an allowable range, the second calculated manipulated amount to the work roll bender device and also outputs a difference between an amount that corresponds to the second calculated manipulated amount and the first calculated manipulated amount, to the work roll shift device.

Abstract: Device for cooling flat rolled material with a liquid coolant has at least one cooling bar, which is arranged above the conveying path and to which the liquid coolant is fed. A plurality of outlet tubes have, in a flow direction of the liquid coolant, an initial portion, which proceeds from the inlet opening and extends upward, a middle portion, which adjoins the initial portion, and an end portion, which adjoins the middle portion and extends downward and to the output opening. The middle portion contains a vertex at which the coolant flowing through the outlet tube in question reaches a highest point. The outlet openings are located above the cooling bar. A height distance (h1) of the inlet opening from the vertex is at least twice as large, in particular at least three times as large, as a height distance (h2) of the outlet opening from the vertex.

Abstract: In the case of a caterpillar track drawing machine having a drawing die and a caterpillar track disposed behind the drawing die, which track comprises two drawing chains having drawing tools disposed on chain links of the drawing chains, it should be possible to align the drawing tools of at least one of the two drawing chains jointly with the respective chain link, perpendicular to the drawing line, so that the caliber range can be changed, in simple and operationally reliable manner, between two drawing recesses having different caliber ranges. The latter is also possible if two different drawing recesses of the second one of the two drawing chains are intended for a first caliber range for which the first drawing recesses for at least one of the two drawing chains are intended, or if the drawing recesses of a first one of the two drawing chains deviate from the drawing recesses of a second one of the two drawing chains.

Abstract: The present invention discloses a stainless-steel tee-pipe moulding process, cutting out a main pipe and a secondary pipe from the stainless-steel pipe to replace the copper tee-pipe to resolve the problem that the copper tee-pipe is easy to corrode and causes water pollution; meanwhile, the moulding process of the stainless-steel tee-pipe of the invention is different from the traditional integral forming process, and saves more materials and reduces the production cost compared with the traditional integral forming process.

Abstract: A device is configured for opening a heat exchanger core from a U-shape to a V-shape. Such heat exchanger core has a plurality of parallel flat tubes, each having two ends; and two manifolds. Each of the flat tubes has two straight sections adjacent to the manifolds and an intermediate bent section. The device has two hinged frames, a respective clamp arrangement on each of the hinged frames for holding the two manifolds, and a trough shaped support for the intermediate portion. For opening the U-shaped heat exchanger core, the heat exchanger core is inserted into the device, and the two manifolds are secured with the clamp arrangements. The clamp arrangements are separated from one another by pivoting apart the two hinged frames, on which the clamps are mounted. Simultaneously, the intermediate bent section is pushed toward the trough adapted to provide a desired curvature to the intermediate section.

Abstract: A pipe grooving device having a plurality of geared cams uses synchronizing gears, each of which meshes with two of the geared cams, to synchronize the rotation of the cams which engage the pipe element to form the groove. The position of the groove relative to the end of the pipe is controlled by a stop body which incorporates a plate mounted ring which engages and disengages with a pipe stop surface on one or more of the cams to limit or permit cam rotation. The pipe stop body is positioned within a cup which receives the pipe element. The cup limits pipe end flare and limits the tendency of the pipe to go out of round during the grooving process. The device mounts on a powered chuck which turns the pipe element.

Abstract: A method for identifying a variation factor portion of a springback amount, including: performing press forming analysis under first press forming conditions, and calculating a residual stress distribution in a press formed part; performing springback analysis on the press formed part, and calculating a first springback amount; performing press forming analysis under second press forming conditions, and calculating a residual stress distribution in the press formed part; replacing a value of residual stress in a partial area of the residual stress distribution; performing springback analysis on the press formed part for which the value of the residual stress has been replaced, and calculating a second springback amount; obtaining a difference between the second springback amount and the first springback amount; and identifying a portion in the press formed part that is a factor for variation in springback amount of the press formed part based on the obtained difference.

Abstract: The present invention discloses a method for coreless spinning of a large-ratio multi-variable-diameter hollow shaft, belonging to the field of spinning. The present invention includes following steps: S1: clamping a blank in a lower die unit, driving the workpiece to rotate, causing a rough spinning wheel and a fine spinning wheel to be in contact with the workpiece for staggered spinning, and performing curved reciprocating feed spinning via point contact to form a roughly-spun blank; S2: shifting the rough spinning wheel and the fine spinning wheel, causing shaping spinning wheels to be in contact with the workpiece for shaping spinning, and subjecting the shaping spinning wheels to linear contact shaping and fine spinning only in a radial direction, to obtain a finely spun blank. The present invention solves the problems of high machining difficulty and poor molding quality of hollow shafts in the prior art.

Abstract: The present disclosure relates to a forging method and forging apparatus in which at front and rear portions of a workpiece, two products can be simultaneously shaped, thereby to improve a productivity of compression-shaping.

Abstract: The machine tool (1) having a work head (9) adapted to support a tool (21), a workpiece holder (30) having a two substantially parallel beams (31) arranged at a distance adjustable orthogonally to the longitudinal extension of the beams, a carriage (35) on each beam (31) movable along the longitudinal extension of the beam (31), on each carriage (35) a suction cup (39) for blocking the workpieces (P) to be machined. The position of each suction cup (39) with respect to the carriage (35) onto which the cup is mounted is adjustable by rotating around an axis (D-D) which is substantially orthogonal to a blocking surface, for blocking the workpieces, defined by the suction cups (39). To each suction cup (39) an actuator (46, 48) is associated, controlling the rotation of the suction cup (39) with respect to the carriage (35) onto which the cup is mounted.

Abstract: In a brake-disc intermediate product, a corrugated portion is molded using an upper mold and a lower mold. The brake-disc intermediate product is set in a mold, the mold has a slope corresponding to the corrugated portion, and an angular portion formed along the outer circumferential edge of the corrugated portion is in contact with the slope in a state where the brake-disc intermediate product is set in the mold. The angular portion in contact with the slope is deformed by pressing the brake-disc intermediate product in a direction of the mold, to mold a chamfer portion. The slope is formed so that a chamfering angle formed with respect to an inner bottom surface of the mold is larger at a portion in contact with the concave portion than a chamfering angle at a portion in contact with the convex portion.

Abstract: Provided is a press process automation system for a metal plate using an auto-robot. The press process automation system includes a loading unit configured to provide a stack in which a plurality of metal plates are stacked in a height direction thereof, a first robot which is coupled to the metal plate disposed on the loading unit, a table unit which is disposed at a lower position than the first target position, and determines whether the number of the metal plates is one, a second robot configured to vacuum-adsorb an upper surface of the metal plate disposed on the table unit, and a press mold unit including a lower mold which is vertically disposed at a lower position than the third target position and on which the metal plate is mounted, and an upper mold which is vertically moved from above the lower mold.

Abstract: A die (1) for mounting in an associated die holder (20) for the production of heads on elongate bodies such as nails or screws. The die has a body (2) with a top surface (3) provided with a through-going groove (4) for receiving and holding an elongate body longitudinally in said groove. Furthermore, the die has a recess (5) on one side merging into the groove (4) at one end of the groove (4) suitable for forming the head of a nail or screw. The die has a side surface portion, e.g. conical, shaped for press fit by contact with a corresponding inner surface portion of a bore or hole (30) in the associated die holder. Further, a second side surface portion (9), e.g. a plane portion, of the die serves to engage with a corresponding inner surface portion of the bore or hole of the die holder. Hereby, it is ensured, that angular orientation of the groove (4) is fixed relative to the die holder (20), and it has been proven that the two different side surface portions of the die, e.g.

Abstract: A method including: obtaining a part design file of a part; deriving, from the art design file, a central mold design; determining one or more fill points for the central mold design; and attaching one or more mating connectors to the determined one or more fill points to create a modular part mold file.

Abstract: A high heat-absorption casting core for manufacturing a cast component includes a core body. The core body has at least a portion thereof defined by metal powder. The metal powder is configured to absorb heat energy from the cast component during cooling of the component and solidification thereof. The core body may be additionally defined by a sand fraction in contact with the metal powder fraction. A system and a method for manufacturing a cast component using the high heat-absorption casting core are also envisioned.

Abstract: A process of strengthening 3D printed sand core for the casting of integral hydraulic multi-way valve and a sand core for integral hydraulic multi-way valve are provided. The process includes: creating a sand core model of a sand core for an integral hydraulic multi-way valve in three-dimensional software, analyzing parts of the sand core to determine a weak part of the sand core; designing a pore channel with a pore diameter and a length in the sand core model according to a ratio L/D of a length to a diameter of the weak part, and forming a reinforcing core bar according to the pore channel; and 3D printing the sand core according to the sand core model, placing the reinforcing core bar in the pore channel, and achieving tight connection of the reinforcing core bar and the sand core in the hardening or curing process of the sand core.

Abstract: A plunger tip slides along an inner surface of the plunger sleeve and that injects a molten metal into a mold. The plunger tip includes: a tip main body; a ring-shaped hard resin member that is attached to an outer peripheral surface of the tip main body and that is in contact with the inner surface of the plunger sleeve at least during a hot period in which the plunger tip slides along the inner surface of the plunger sleeve; and a silicone resin member positioned between the tip main body and the ring-shaped hard resin member, in which a radial thickness of the silicone resin member during the hot period is thinner than a radial thickness of the silicone resin member during a cold period in which the molten metal is not supplied in the plunger sleeve.

Abstract: A method includes casting a metallic material (56) in a mold (20) containing a core, the core having a substrate (40, 44) coated with a coating (42). A removing of the metallic material from the mold and decoring leaves a casting having a layer formed by the coating. The coating has a ceramic having a porosity in a zone (50) near the substrate less than a porosity in a zone (52) away from the substrate.

Abstract: To provide Ti—Cu alloy formulations and additive manufacturing process configurations for fabrication of a bulk metallic glass (BMG) product that is biocompatible and antimicrobial, compositions of Ti-based metal alloy powder, comprising: Ti; Cu within a range of 5-30 atomic percent; transition metal within a range of 0-50 atomic percent, wherein such transition metal is one or a plurality of Zr, Nb, Ta, Pd, and Co, are disclosed. Moreover, additive manufacturing processes disclosed herein are capable of fabricating a bulk metallic glass of one or a combination of following phasic structures: fully amorphous microstructure; amorphous beta titanium phase; amorphous copper phase; and amorphous (Ti,M)2Cu phase. The resulting biocompatible metal alloy product may be a medical device, particularly but not limited to a medical implant.

Abstract: A method in a pressing arrangement is disclosed. The pressing arrangement comprises a pressure vessel arranged to hold pressure medium therein during use of the pressing arrangement, the pressure vessel including a treatment region therein, wherein the treatment region is arranged to accommodate at least one article. The pressing arrangement is arranged so that pressure medium can enter and exit the treatment region. The pressing arrangement comprises at least one controllable pressure medium supplying device configured to transport pressure medium during a cooling phase from another region in the pressing arrangement to the treatment region, wherein the temperature of the pressure medium in the other region is lower than the temperature of the pressure medium in the treatment region during at least part of the cooling phase. At least one value indicative of at least one temperature in the pressure vessel is obtained.

Abstract: A tube is disclosed comprising an inlet portion, an outlet portion, and a curved tube portion between the inlet and outlet portions. A vertical cross-section of the curved tube portion comprises two substantially straight inner delimiting surfaces meeting each other at an angle <100°. The present disclosure further relates to a method of manufacturing a tube, a computer program, and a computer-readable medium.

Abstract: In order to provide a method for producing silver nanowires in which a local maximum of optical absorption in the plasmon absorption band can be shifted toward the short wavelength side without making the wire diameter smaller, a method for producing silver nanowires includes a step of heating a mixed liquid of a dispersion of silver nanowires and metal ions of a transition metal that is different from silver, and reducing the metal ions, thereby intermittently precipitating clumps of the transition metal on a surface of the silver nanowires. The thus produced silver nanowires have metal clumps intermittently along the length direction, and a local maximum of optical absorption in the plasmon absorption band of the silver nanowires has been shifted toward the short wavelength side.

Abstract: A method may include controlling, by a computing device, an energy source to form a melt pool at a build surface; and controlling, by the computing device, a material delivery device to direct a powder at the melt pool to form the seal fin comprising a metal matrix composite on the build surface, wherein the metal matrix composite comprises a matrix material and a reinforcement phase.

Abstract: A system (50) and method (200) for repairing one or more components (70) using an additive manufacturing process includes securing the components (70) in a tooling assembly (52) such that a repair surface (72) of each component (70) is positioned within a single build plane (82), determining a repair toolpath (76) corresponding to the repair surface (72) of each component using a vision system (56), depositing a layer of additive powder (72) over the repair surface (72) of each component (70) using a powder dispensing assembly (112), and selectively irradiating the layer of additive powder (72) along the repair toolpath (76) to fuse the layer of additive powder (72) onto the repair surface (72) of each component (70).

Abstract: A method for manufacturing a part 20 including a formation of successive metallic layers (201 . . . 20n), superimposed on one another, each layer being formed by the deposition of a filler metal (15, 25), the filler metal being subjected to an energy input so as to melt and constitute, when solidifying, said layer, the method being characterized in that the filler metal (15, 25) is an aluminum alloy including the following alloy elements (weight %): Zr: 0.5% to 2.5%, preferably according to a first variant 0.8 to 2.5%, more preferably 1 to 2.5%, still more preferably 1.3 to 2.5%; or preferably according to a second variant 0.5 to 2%, more preferably 0.6 to 1.8%, more preferably 0.6 to 1.6%, more preferably 0.7 to 1.5%, more preferably 0.8 to 1.5%, more preferably 0.9 to 1.5%, still more preferably 1 to 1.4%; Fe: 0% to 3%, preferably 0.5% to 2.5%; preferably according to a first variant 0.8 to 2.5%, preferably 0.8 to 2%, more preferably 0.8 to 1.2; or preferably according to a second variant 1.5 to 2.

Abstract: A method determines position data of a platform at a plate of an additive manufacturing device, having scanner optics for scanning a laser. The plate has holes that receive a holder, marks on the plate, and receptors for receiving laser target parts. A first position dataset is obtained with a position of a holder inserted in a hole with respect to the marks. After mounting the plate and inserting the platform into the holder, a laser mark is marked on the laser target parts using the laser at laser mark positions in the scanner optics' coordinate system. A pre-manufacturing image of the support plate is acquired with the laser marks on the laser target parts. A second position dataset having positions of the marks with respect to the laser marks is obtained from the pre-manufacturing image. The position data is determined from the position datasets and the laser mark positions.

Abstract: A system and method for monitoring real time stress development of laser additive manufacturing. In some embodiments, the system comprises a laser machine, a laser deposition head, an illumination laser, a line laser, two CCD cameras, a spectrum meter, a computer, and an ultrasonic shot head. The CCD camera can record the molten pool height and the line laser can be directed behind the molten pool to measure the shape and/or height of the newly formed layer. The computer builds a real-time FEM model of the layer, calculates the displacement of the solidified surface, and then calculates the stress formed in the layer. The spectrum meter monitors for non-stress induced defects. The data is transferred into a computer to determine whether defects will occur and control the laser deposition and ultrasonic shot head to treat the area and prevent emergence of stress induced defect.

Abstract: In various aspects, 3D printers, and sensor systems coupled to or integrated with the 3D printers are disclosed. The sensor systems may include image and second sensors for detecting potential defects or print artifacts. During printing, an energy beam source forms a weld pool by melting selected regions of print material, which solidifies to produce the build piece. The image sensor may image an area including the weld pool to determine a landing location of matter ejected during the heating of print material to form the weld pool. The second sensor may detect a defect in the build piece based on the determination of the landing location. Print operation may be suspended while the sensor data is used to repair the defect, after which 3D printing resumes. In this way, for example, high quality build pieces can be produced with reduced post-processing times, and hence a higher manufacturing throughput.

Abstract: In various aspects, 3D printers and recoaters incorporate sensor systems coupled to or integrated with the 3D printers. The sensor systems may include eddy current sensors and other sensors configured to measure an electromagnetic characteristic of the build piece. A three-dimensional (3-D) printer in one aspect includes a depositor configured to deposit metal, an energy beam source configured to selectively melt the metal to form a portion of a build piece, and a sensor configured to move relative to a surface of the print area and to measure an electromagnetic characteristic of the portion of the print area. The measured data can be used to detect defects and other information about the build piece that can be used to fix the defects or enhance the build piece geometry during the printing.

Abstract: A coated tool includes a base and a coating layer located on the base. The coating layer includes a first layer having a thickness of 1 ?m or more located near the base, and a second layer located more away from the base than the first layer. An erosion ratio A2 in the second layer is 0.4 ?m/g or less which is obtained from a measurement by collision of a liquid A, in which 3 mass % of spherical Al2O3 particles having a mean particle diameter of 1.1-1.3 ?m is dispersed in pure water, against the second layer. An erosion ratio A1 in the first layer is 1.8 ?m/g or less which is obtained from a measurement by collision of the liquid A against the first layer. A cutting tool includes a holder which includes a pocket, and the coated tool located in the pocket.

Abstract: A rotary tool of the present aspect has a body and a cutting edge positioned on the outer periphery of the body. The cutting edge has a first section and a second section when viewed on an imaginary plane defined by cutting a rotational trajectory of the rotary tool on a plane including a rotational axis. The first section has a first region and a second region. A first radius of curvature of the first region is greater than a second radius of curvature of the second region in at least one of a plurality of the first sections.

Abstract: A tube notching device for forming a notch in a tubular workpiece. The tube notching device includes a support frame, a vise, a positioning assembly, a cutting assembly, and a cutting mechanism. The vise is mounted to the support frame and secures the tubular workpiece in a desired support position. The positioning assembly is pivotally mounted to the support frame. The cutting assembly is pivotally mounted to the positioning assembly. The cutting mechanism is mounted to the cutting assembly and configured to form a notch in the tubular workpiece. The positioning assembly and the cutting assembly cooperate to position the cutting mechanism in a desired notching position relative to the tubular workpiece supported in the vise in the desired support position. The cutting mechanism operates to form a desired notch in the tubular workpiece when the cutting mechanism is in the desired notching position.

Abstract: A powered cutting tool for cutting tubular or cylindrical workpieces such as pipe is described. The cutting tool includes a base, an electric motor, a collection of rollers, a frame, a feedscrew, an auto cut wheel system, and a handle for rotating the feedscrew and adjusting the position of the auto cut wheel system relative to the rollers. In certain versions, the cutting tool includes torque-limiting provisions, to limit the amount of torque applied to the feedscrew. In certain versions, the cutting tool includes rollers and press wheels featuring non-metal outer surfaces.