Abstract: A piezoelectric film includes a substrate having flexibility, and at least two piezoelectric elements provided to the substrate so as to be arranged at intervals of a first dimension along a first direction, the piezoelectric elements are each configured by stacking a first electrode film, a piezoelectric film made of an inorganic material, and a second electrode film along a thickness direction of the substrate, and an area between the piezoelectric elements adjacent to each other along the first direction forms a vibrational region which can be displaced in the thickness direction.

Abstract: An ultrasonic sensor includes a substrate in which an opening is formed; a vibration plate that is provided on the substrate so as to block the opening; and a piezoelectric element including a first electrode, a piezoelectric layer, and a second electrode that are stacked on an opposite side of the opening of the vibration plate, in which when a direction in which the first electrode, the piezoelectric layer, and the second electrode are stacked is a Z direction, and a portion that is completely overlapped by the first electrode, the piezoelectric layer, and the second electrode in the Z direction is an active portion, a plurality of active portions are provided so as to face the each opening, and a columnar member is provided between the adjacent active portions.

Abstract: A haptic actuator includes mechanical links defining a first J-trajectory and mechanical links defining a second J-trajectory as well as a motor coupled to the mechanical links so as to synchronously accelerate a first mass over the first J-trajectory and a second mass over the second J-trajectory. During a first time interval, reactive forces of the first mass accelerating substantially balance reactive forces of the second mass accelerating and during a second time interval reactive forces of the first mass accelerating do not substantially balance reactive forces of the second mass accelerating. This un-balanced condition results in a tap signal being produced.

Abstract: An LED Assisted Rapid Assembly system is disclosed wherein a plurality of rack locations are provided with an addressable LED light puck at each location, such that the puck may be illuminated to indicate to a worker the rack location for a specific garment by correlating the garment, the invoice/ticket and the location electronically and controlling the LED.

Abstract: Described is a control method for sorting machines (1) comprising a plurality of carriages (2), each carriage (2) comprising a loading-unloading device (3) which can be selectively activated for loading-unloading an object (O) from the carriage (2) and an electronic unit (4) configured to receive and analyse a digital signal (20), includes the steps of: moving the carriage (2) along a sorting direction (X) having a plurality of loading stations (9) and a plurality of unloading stations (10) each comprising respective inductors (11); generating by means of the inductors (11) a magnetic field with a variable frequency modulating the digital signal (20) uniquely associated with an operating mode selected from a plurality of operating modes, the digital signal (20) comprising a bit string; transmitting, by electromagnetic induction, the digital signal (20) to the electronic unit (4) of the carriage (2); receiving the digital signal (20) at the electronic unit (4) and activating the loading-unloading device (3) ac

Abstract: A multipurpose kitchen utensil useful for wiping the wire elements of a whisk has a working portion containing a plurality of slots arranged arcuately and extending radially in spaced relation to one another and structured to receive the wire elements of a whisk. The utensil includes a central core member formed of a material capable of maintaining its shape when subject to external pressure, and an overlying layer of a more resilient material such as silicone. The radial slots extend inwardly and taper to an edge capable as serving as a spatula.

Abstract: A washing apparatus for a 3D-printed article is provided for the removal of support material from the article. The apparatus includes a glove isolation cabinet with a liquid-discharging nozzle to enable an operator to spray an article with a washing liquid, and a drain. A first filter arrangement receives liquid discharged from the cabinet. The washing liquid drains through the first filter arrangement under the influence of gravity but the first filter arrangement is located in a trough in which washing liquid that has passed through the first filter arrangement accumulates whereby, in use, one or more filters of the first filter arrangement are submerged to ensure filtered-out residue remains submerged in the washing liquid. A pump is provided to pump liquid that has passed through the first filter arrangement through a second filter arrangement adapted to filter out solid material equal to or greater than 5 ?m in size.

Abstract: An improved system and method for spraying roadside structures comprising a motor vehicle equipped with a fluid tank, various spray devices including at least one upright spray bar positioned forward of the tank, a water pump, a water distribution system including distribution lines and solenoid valves for directing flow to desired spray devices, control panels in the cab for controlling the water pump and solenoid valves. The truck is equipped with a traffic safety signboard, emergency lights, and a controller in the cab for controlling said signboard and emergency lights.

Abstract: Electrical power supply cord retention systems are described. Also described are drain cleaning machines using such cord retention systems. In addition, methods of selectively retaining power cords in association with drain cleaning machines are described.

Abstract: The present invention relates to a method and installation for handling medical waste, bio-waste, or other corresponding contaminated waste, which is collected in a receptacle for medical waste. For an isolated treatment of the waste, the method employs a vacuum waste system (V), whereby medical waste is collected in the receptacle for medical waste, medical waste is discharged from the receptacle for medical waste into a waste fixture connected to a vacuum waste piping (13) of the vacuum waste system (V). The discharge sequence of the vacuum waste system is activated by an activating means for discharge of the medical waste from the waste fixture or the vacuum waste piping (13) of the vacuum waste system (V) to a waste collecting unit (20) of the vacuum waste system.

Abstract: Rolled H-shaped steel is characterized in that a top 5% average value of Mn concentrations in a most embrittled portion in a flange is 1.6 times or less an Mn concentration at a position of 1/6 in a flange width direction from an end face in the flange width direction and 1/4 in a flange thickness direction from a face of a flange positioned on a side opposite to that of a web, and a top 5% average value of Mn concentrations in a central segregation portion dispersed in a region 15 mm or more apart from a center of the flange width toward one end face or both end faces in the flange width direction and within 2 mm from a flange surface layer in the thickness direction is not less than 1.1 times nor more than 1.6 times the Mn concentration at the position of 1/6 in the flange width direction from the end face in the flange width direction and 1/4 in the flange thickness direction from the face of the flange positioned on the side opposite to that of the web.

Abstract: Provided is a clad welded pipe or tube that has improved pipe or tube mechanical properties by reducing the width of a weld without its function as a clad pipe or tube being impaired. A clad welded pipe or tube comprises: a first layer made of base metal; and a second layer placed on one surface of the first layer, and made of first cladding metal that is a material different from the base metal, wherein a pipe or tube circumferential length L1 of weld metal at a pipe or tube inner surface and a pipe or tube circumferential length L2 of the weld metal at a pipe or tube outer surface in a weld are each 0.0010 mm or more and 1.0 mm or less, and the base metal is not exposed at a first cladding metal-side surface of the clad welded pipe or tube in the weld.

Abstract: Various storage containers are described for retaining drain cleaning cables. Storage systems utilizing the containers with a cable guide assembly are further described. Also described are methods of using the containers and systems.

Abstract: Apparatus for straightening metal products comprising: at least one rotation shaft on which at least one straightening roll is installed in a selectively removable manner; a first structure provided with at least a first support member configured to hold and support a first end of the rotation shaft; a second structure provided with at least a second support member configured to selectively support and hold a second end, opposite the first end, of the rotation shaft; a movement member configured to move the second structure toward/away from the first structure and to allow the installation or removal of the straightening roll from the rotation shaft.

Abstract: An apparatus is provided for bending a pipe and checking a bent shape of the pipe. The apparatus includes a bender for forming a bend in the pipe and at least two cameras for determining an alignment of the pipe in proximity to the free end of the pipe.

Abstract: A device for forming circumferential grooves in pipe elements uses multiple geared cam bodies mounted on a carriage which rotates about a fixed pinion. The gears engage with the pinion which causes the geared cam bodies to rotate relative to the carriage. Traction surfaces and cam surfaces on the cam bodies traverse the outer surface of the pipe element and impress a circumferential groove therein. To substantially prevent rotation of the pipe element the pitch circle diameter of the pinion equals the outer diameter of the pipe element and the pitch circle diameters of the traction surfaces equal the pitch circle diameters of the gears.

Abstract: An apparatus for making one or more registering contour features in a workpiece. At least some of the registering contour features have an outer annular rim and basin-shaped portion there within. One embodiment has: (i) one or more first tools, each tool being adapted to form the outer annular rim in one or more registering contour features; and (ii) one or more second tools for forming in cooperation with the first set of insert tools one or more of the basin-shaped portions that lie within the outer annular rims, thereby forming a set of one or more registering contour features in the workpiece so that workpieces in a stack are separated to facilitate subsequent handling by removing an uppermost workpiece from the stack.

Abstract: Method of manufacturing of components used in the field of aviation aircraft and, specifically, an aircraft engine nacelle lipskin. Instead of spinning flat plates, this method uses spinning a cylinder, thus eliminating waste material. It also eliminates the need for rivet lines which results in better laminar flow. Further, there is a reduction of other costs in addition to reducing drag.

Abstract: A tool for curling of can necks as part of a tool plate that includes an expansion control device for controlling of the spreading of a collet, a collet clutch, an interconnecting means provided with a stop mechanism, and a holder being fixed in the collet clutch at its one end, the collet being arranged on its other end, the collet in the non-active position being insertable into the can to permit segments of the collet to spread in the direction of the device.

Abstract: An automated system for manipulating a workpiece includes a machining device, a locating device configured to determine a position of a workpiece, and a positioning system operatively connected to the machining device and being configured to adjust a position of the machining device to align a centerline of the machining device with a longitudinal axis of the workpiece, based upon the determined position of the workpiece. The machining device includes a stabilizing mechanism to engage the workpiece to maintain the workpiece in the determined position, and a cutting element for performing a machining operation on the workpiece.

Abstract: A thread rolling head comprises at least one roller holder configured to retain rollers that are configured to form a screw thread on a workpiece. The rollers are configured to rotate in the course of the screw thread formation. The thread rolling head further comprises an energy generating apparatus integrated into the thread rolling head that is configured to generate electrical energy when the thread rolling head is operating.

Abstract: A method and apparatus for building a fuselage assembly for an aircraft. A number of fixtures may be drive across a floor to an assembly area to form an assembly fixture. The fuselage assembly may be built on the assembly fixture.

Abstract: A method for forming an assembly having a housing and first and second components. The first and second components are movable relative to one another in the housing. The method includes: providing first and second workpieces; moving the first and second workpieces relative to one another in a predetermined manner that produces relative sliding contact between the first and second workpieces while performing a superfinishing operation on the first and second workpieces to form the first and second components, respectively, wherein the superfinishing operation does not comprise a lapping operation; and mounting the first and second components in the housing such that the first and second components are engaged to one another and are movable relative to one another in the predetermined manner.

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: A foundry media pellet includes a sintered ceramic material having a size from about 10 AFS GFN to about 110 AFS GFN, and a surface roughness of less than about 4 microns.

Abstract: A feed system for conveying a molten metal that is to make a casting, the system including a feed channel made of ceramic material that is configured to enable the molten metal to flow by gravity inside the feed channel, the feed channel having a first portion extending in a first direction, and at least one second portion extending in a second direction different from the first direction, the second portion being arranged downstream from the first portion and being connected to the first portion by a junction. The system further includes a damping channel having a first end opening out into the junction and a second end that is closed, the damping channel extending the first portion of the feed channel.

Abstract: A core molding method capable of satisfactorily exhausting a gaseous body such as gas or water vapor that is generated inside an outer shell layer when a raw material is cured is provided. A core molding method according to one aspect of the present disclosure is a molding method of a core formed of a raw material including a binder and sand, and includes: filling a cavity of a molding die with the raw material; curing the raw material to form an outer shell layer; inserting a tip end part of an exhaust pipe having an internal pin inserted therein and an exhaust hole closed by the internal pin into a part surrounded by the outer shell layer through an opening provided in the molding die; and moving the internal pin and opening the exhaust hole.

Abstract: An object of the present invention is to provide a molten ingot of a platinum group metal or a platinum group-based alloy having a high material yield by suppressing a scattering phenomenon during heating and melting in a method for producing a platinum group metal or a platinum group-based alloy. The method for producing a platinum group metal or a platinum group-based alloy according to the present invention includes a preparing step of weighing a raw material that is partially or entirely of powder and, when the alloy is to be produced, mixing the weighed raw material to obtain a powder mixture, a molding step of molding and solidifying the prepared raw material to obtain molded bodies, a sintering step of sintering the molded bodies to obtain a sintered body, a melting step of melting the sintered body to produce a molten ingot, and a deformation processing step of processing the molten ingot.

Abstract: Disclosed is a permanent mold plate comprising a plurality of fastening points (3) on the rear side (2) thereof for fastening purposes, and cooling ducts (5) which are adjacent to the fastening points (3) and are in the form of depressions that are located within the rear side (2) and are open towards the rear side (2). From the perspective of a fastening point (3) towards the casting side (4) of the mold plate (1) opposite the rear side (2), at least one cooling duct (5) extends all the way to a point located below the fastening point (3).

Abstract: A vacuum centrifugal casting apparatus includes an upper mold having an upper vacuum hole communicating with both a cavity and a space over the upper mold, a lower mold including a lower vacuum hole corresponding to the upper vacuum hole, the lower vacuum hole communicating with both the cavity and a space under the lower mold, a motor configured to rotate the upper mold and the lower mold, a vacuum retaining member having an outer diameter corresponding to the upper vacuum hole, with a molten metal injection hole formed in an upper end of the vacuum retaining member, and a vacuum pump configured to be operated by the motor, and including an inlet communicating with the lower vacuum hole, and an outlet formed to exhaust drawn air.

Abstract: A CAE analysis die model is produced such that a cavity of a die for obtaining a cast product is divided into multiple elements. Fluidity analysis and solidification analysis are performed under a predetermined casting condition by means of the die model to calculate, for each element, a factor regarding growth of a solidification structure, a factor regarding purity of molten metal, and a factor regarding a hole defect. Mechanical characteristics of each portion of the cast product are obtained by a regression expression obtained by multiple regression analysis using mechanical characteristics of the cast product as an objective variable and using each factor as an explanatory variable.

Abstract: Disclosed are a semi-solid slurry generator and a die casting method which can obtain a dense structure in the entire cross section of a molded product by uniformly dispersing and stirring an inert gas in a slurry compared to a conventional one. The die casting method comprises: a step of immersing a rotating diffuser in a molten metal contained in a ladle to rotate and stir the molten metal while being supplied with an inert gas, or rotating and stirring the molten metal and the inert gas, which are sucked into a pumping impeller, while being ejected through a hole provided on a side surface of the impeller by stirring the same, such that the molten metal is cooled while gas bubbles caused by the inert gas are uniformly dispersed in the molten metal, thereby forming a semi-solid slurry; and a step of pressurizing and injecting the semi-solid slurry into a mold of a molding machine.

Abstract: A system (5) and method (800) for unit cell casting of titanium or titanium-alloys is disclosed herein. The system (5) comprises an external chamber (45), a crucible (10) positioned within the external chamber (45), an induction coil (15) positioned around the crucible, an internal chamber (40) positioned within the external chamber (45), and a mold (30) positioned within the internal chamber (40). The external chamber (45) is evacuated and a pressurized gas is injected into the evacuated external chamber (45) to create a pressurized external chamber (45). An ingot (20) is melted within the crucible utilizing induction heating generated by the induction coil (15). The internal chamber (40) is evacuated to create an evacuated internal chamber (40). The titanium alloy material of the ingot (20) is completely transferred into the mold (30) from the crucible (10) using a pressure differential created between the external chamber (45) and the internal chamber (40).

Abstract: A mold transfer assembly includes a transfer housing providing an interior defined by one or more sidewalls and a top. The transfer housing is sized to receive and encapsulate a mold as the mold is moved between a furnace and a thermal heat sink. An arm is coupled to the transfer housing to move the transfer housing and the mold encapsulated within the transfer housing between the furnace and a thermal heat sink. The transfer housing exhibits one or more thermal properties to control a thermal profile of the mold.

Abstract: A sheet for heat bonding, having a pre-sintering layer that becomes a sintered layer by being heated, and an adhesion layer.

Abstract: A production method of a three-dimensionally shaped object, includes a first layer forming step of forming a first layer by using a first composition containing first powder and binder, a second layer forming step of forming a second layer by using a second composition containing second powder, third powder, and binder, and a sintering step of sintering the first powder and the second powder. In a case where the first powder and the second powder are of the same material, difference in a contraction rate between the first layer and the second layer in the sintering step is reduced by matching a filling rate of the first powder in the first composition with a total filling rate of the second powder and the third powder in the second composition and matching an average particle diameter of the first powder with an average particle diameter of the second powder.

Abstract: A structural joint between two components of metal material is obtained by carrying out an electrical resistance welding spot between said components and subsequently performing a step of applying a cladding of metal material by an additive manufacturing technology. In one example, after a first step of applying a coarse base cladding, a second step of applying a fine cladding is carried out, again by additive manufacturing technology. The fine cladding can include a distribution of stiffening micro-ribs above the base cladding. The same method can also be applied to a single sheet metal component, rather than to a welded joint.

Abstract: This invention concerns an additive manufacturing apparatus for building objects by layerwise consolidation of material. The apparatus includes a build chamber containing a working area, a high energy beam for consolidating material deposited in the working area in layers and a flow device for generating a gas flow across at least a part of the working area from a gas inlet to a gas outlet. The gas inlet and gas outlet are arranged to be movable within the build chamber.

Abstract: A 3D printing method of a metal object includes stacking molten metal powders along an outlined path to form a metal object. An inert gas is introduced into a chamber with the metal object inside, and the metal object is hot isostatic pressed in the chamber at 80-120 MPa and 900-1000° C. for 1-4 hours.

Abstract: Apparatus and methods for joining nodes to tubes with node to tube joints are presented herein. Joining techniques allow the connection of additively manufactured nodes to tubes. In an embodiment, at least one node may be joined to a tube and may be a part of a vehicle chassis. The node to tube joint connection incorporates adhesive bonding between the node to tube to realize the connection. Sealants may be used to provide sealed regions for adhesive injection, which are housed in sealing interfaces co-printed with the additively manufactured nodes. Additionally, seals may act as isolators and reduce galvanic corrosion.

Abstract: A production method for a ring-shaped part is provided with: an inner cutting step for reciprocating a first cutting blade in the radial direction D4 from a state of contact with the center of the thickness of one end 91a of a rotating cylindrical blank 91 and moving toward the other end 91b in the axial direction D1 to form a semicircular track while cutting the inner circumferential R1-side of the cylindrical blank 91; an outer cutting step before, after or simultaneously with the inner cutting step for reciprocating a second cutting blade in the radial direction D4 from a state of contact with the center of the thickness of the one end 91a of the rotating cylindrical blank 91 and moving toward the other end 91b in the axial direction D1 to form a semicircular track while cutting the outer circumferential R2-side of the cylindrical blank 91; and a separation step after the inner cutting step and the outer cutting step for cutting the portion 92 of the cylindrical blank 91, the inner circumferential R1-side

Abstract: A cutting tool may include a holder including a pocket, a cutting insert located at the pocket, a clamp member configured to fix the cutting insert to the pocket, and a flow path including an inflow port and an outflow port. The clamp member may include a screw and a clamp. The flow path may further include a first flow path located in the holder, a second flow path located in the clamp, and a third flow path that is a pipe connecting the first flow path and the second flow path and including a first end part located in the first flow path and a second end part located in the second flow path.

Abstract: A cutting insert includes an upper surface and upper edge. The upper surface includes a second side part, a first corner part, and a second corner part. The upper surface further includes a first surface and a second surface. The upper edge includes a first edge located at the first corner part, a second edge located at the second side part, and a third edge located at the second corner part. The second surface includes a first region extending toward the first corner part, and a second region extending toward the second corner part. A distance between the first region and the upper edge is smaller at a side of the second edge than at a side of the first edge. A distance between the second region and the upper edge is smaller at a side of the second edge than at a side of the third edge.

Abstract: A cutting tool shim is to be disposed between a cutting insert and a holder and to be fixed to the holder. The ridgeline between the flank face and the rake face forms a cutting edge. The cutting edge includes an arc-shaped portion. A coolant supply path for jetting coolant to the arc-shaped portion is provided in the cutting tool shim, the coolant being supplied from the holder. The coolant supply path includes a lead-in port for leading the coolant from the holder to the coolant supply path, and a jetting port for arc-shaped portion for jetting the coolant to the arc-shaped portion. The jetting port for arc-shaped portion has a curved shape along the arc-shaped portion. The distance between the jetting port for arc-shaped portion and the arc-shaped portion is not less than 2.2 mm and not more than 8.1 mm.

Abstract: A gear self-tightening drill chuck, comprising a rear pressing cover or a retaining ring, a rear body, a main body, a front sleeve, clamping jaws, and driven bevel gears; the rear body is arranged inside the main body; one end of the rear body is provided with a driving bevel gear, the large end thereof being arranged next to the rear body; the driving bevel gear is arranged inside the main body, and is engaged with the driven bevel gears; a plurality of driven bevel gears are arranged uniformly with the axis of the driving bevel gear as the centre line; the driven bevel gears have an inner screw thread; one end of the clamping jaw has an outer screw thread for use together with the inner screw thread; the main body is provided with clamping jaw holes and bevel gear holes.

Abstract: A cutter fastening apparatus has a body, a collet, a cutter, and a cap. The body has an outer thread. The collet is mounted in the body and has an abutting groove formed in an outer surface of the collet and a through hole formed through a front surface of the collet. The cutter is mounted through and fixed to the through hole of the collet. The cap is screwed with the outer thread of the body and has a driving ring portion protruding from an inner surface of the cap and a balance groove formed in the inner surface of the cap and being adjacent to the driving ring portion. The cap has a clamping portion protruding from the inner surface of the cap and a holding portion protruding from the inner surface of the cap.

Abstract: Provided are a hole formation method enabling the formation of a high-quality hole even when a workpiece material is a difficult-to-machining metal material or a fiber-reinforced composite material and a drill bit used in the method. A drill bit includes at least one cutting edge and a leading flank adjacent to the cutting edge, and the leading flank is set to have a surface roughness Ra of 2.0 ?m or more and 3.0 ?m or less. A hole formation method includes a hole formation step of machining a portion to be processed of a workpiece material by means of drilling to form a hole while a lubricant material for assisting machining process is in contact with a drill bit and/or the portion to be processed, and in the hole formation step, the drill bit is used.

Abstract: A drill for drilling a blind hole having a blind hole diameter and a blind hole depth in a metal workpiece is provided, the drill comprising a shaft, defining a drilling direction, and a rotation axis oriented in the drilling direction, the shaft having, on an end pointing in the drilling direction, a cutting edge and a stop shoulder at a distance from the cutting edge which defines the blind hole depth, wherein the cutting edge defines the blind hole diameter by rotating about the rotation axis, the shaft having an enveloping circle diameter which changes along the rotation axis and which is larger than the blind hole diameter on the stop shoulder, the shaft having a first shaft section arranged between the cutting edge and the stop shoulder which reaches to the stop shoulder and in which the enveloping circle diameter is smaller than the blind hole diameter.

Abstract: A hole saw structure, which is cooperated with a hole saw arbor for performing a perforating operation, includes a cylindrical body and a blade set. The cylindrical body has a central chamber and includes an end surface and a peripheral wall. One end portion of the peripheral wall is connected around a circumference of the end surface, the other end portion of the peripheral wall is outwardly folded and overlapped around the peripheral wall so as to form a folded portion, the folded portion includes a folded end, and an inner diameter of the cylindrical body is smaller than an outer diameter of the folded portion. The blade set is disposed on the folded portion and includes at least two cutting teeth and at least two chip discharging notches.

Abstract: A single-edged milling tool has a shaft section and a machining section. A face cutting edge is formed on a distal end of the machining section. The face cutting edge extends radially from an outside end at an outer peripheral edge to an inside end close to the axis of rotation. The face cutting edge has an outer peripheral planar portion at a constant planar distance to a reference plane extending perpendicular to the axis of rotation. An oblique portion connects the planar portion to the inside end. The oblique portion of the face cutting edge is closer to the reference plane than the planar portion. The distance of the face cutting edge from the reference plane in the oblique portion diminishes continuously starting out from the planar portion to the inside end of the face cutting edge.