Abstract: A center locator is operated with a hole center for enlarging a round opening and includes a center seat having a through hole centrally defined therein, wherein the through hole is adapted to allow a centering drill of the hole cutter extending through the center seat. At least one adjusting device is longitudinally mounted to the center seat and formed with an engaging portion, wherein the at least one adjusting device is expandable relative to the center seat for adjusting a distance between the engaging portion of the at least one adjusting device and a center of the center seat.

Abstract: Apparatus, methods, and other embodiments associated with a key duplication machine are described. In one embodiment, an assembly for duplicating a master key includes an optical imaging device, a logic, a clamping assembly, and a cutting member. The optical imaging device is capable of capturing an optical image of at least a portion of the master key. The logic is capable of determining a key pattern of the master key from the optical image of the master key. The clamping assembly is capable of clamping a key blank and the cutting member is capable of cutting a key pattern into said key blank.

Abstract: A replaceable cutting head stably rotates a head body using a work tool during attachment. An outer periphery of the head body is provided with a plurality of chip discharge grooves extending along a direction of an axis, cutting blades extending along the chip discharge grooves, and a pair of latching faces that are formed by cutting the outer periphery of the head body and are arranged back to back with the axis interposed therebetween at a base end portion along the axial direction. A first chip discharge groove, and a second chip discharge groove having a narrower width along a circumferential direction around the axis than the first chip discharge groove at at least the base end portion along the direction of the axis are included in the chip discharge grooves. At least one latching face is connected to a base end portion of the second chip discharge groove.

Abstract: A processing method for a surface of a workpiece using a rotating cutting tool, includes a processing method for forming a cut pattern by rotationally cutting a surface of a workpiece using a rotating cutting tool having cutting edges extending in a rotation axis direction at a plurality of circumferentially separated positions on an outer circumference of a body thereof. Each of the cutting edges includes a plurality of segmental edges segmented at an equal pitch in the rotation axis direction. A ratio of depth d to width W (d/W) of a knife mark formed on the surface of the workpiece by the segmental edges is not less than 3/100.

Abstract: An apparatus is described that is suitable for automated manufacture of electrical control panel DIN rails. The apparatus is directed to an automated assembly that shears multiple DIN rail blanks at varying lengths without a need to manually feed DIN rail blanks through a cutter. The apparatus is particularly well suited for use in an automated assembly of electrical control panels that require customized lengths of significant quantities of DIN rail.

Abstract: An assembly of saw handle and saw member is provided. An end portion of the saw member is inserted into an inserting groove of the saw handle. The saw handle has stopping bars at an inserting portion and a swing arm. The end portion defines an opened hole and a closed hole. When the swing arm is moved to an eject position and not received in a receiving space of a guard portion of the saw handle, the saw member is not blocked by the swing arm and is allowed to be inserted into the inserting groove. After the saw member is inserted into the inserting groove and the swing arm is moved to a fix position, the stopping bars are respectively located in the opened hole and the closed hole, so that the saw member can be assembled with the saw handle in a convenient and rapid manner.

Abstract: Method for power skiving a workpiece (50) having a workpiece axis of rotation (R2) and having a rotationally-symmetrical, periodic structure using a power skiving tool (100).

Abstract: The shell of this helical broach (1) is formed by stacking a plurality of wafer shells (20W(1)-20W(N)) in the axial direction, and is obtained by forming on the wafer shells (20W(1)-20W(N)) finishing blades (30W(1)-30W(N)) corresponding to teeth grooves on a piece to be cut (W) and forming the finishing blades (30W(1)-30W(N)) such that the blade width gradually increases with each of the aforementioned wafer shells (20W(1)-20W(N)) from the leading end of the cutting direction toward the trailing end of the cutting direction.

Abstract: A die stock comprising a holder, which is symmetrical to a centric holder longitudinal axis, wherein the holder has a plurality of receiving grooves each of which is configured for receiving a cutting insert and a clamping wedge, each of the receiving grooves extending from a first end face of the holder in the axial direction, the first end face running transversely to the axial direction, and wherein each of the receiving grooves extends from an inner side of the holder in a radial direction, the inner side facing toward the holder longitudinal axis. The die stock further comprises a plurality of cutting inserts, wherein each cutting insert has, on a front side that faces substantially toward the holder longitudinal axis, at least one cutting edge. The die stock further comprises a plurality of clamping wedges arranged detachably in the receiving grooves.

Abstract: A drilling tool for use in machining a conductive work piece is provided. The tool includes a body portion, a forward electrode coupled to the body portion, and at least one side electrode coupled to the body portion. When electric current is supplied to the forward electrode and the at least one side electrode, material adjacent to the forward electrode and the at least one side electrode is removed from the conductive work piece. Further, the forward electrode and the at least one side electrode are selectively operable to form a bore hole having a variable geometry that extends through the conductive work piece when the material is removed therefrom.

Abstract: A method for installing a first machine part into a second machine part includes press fitting the first machine part into the second machine part in its intended final position. The method also includes disposing an exothermically reactive substance on or in the first machine part and activating the exothermically reactive substance to cause a thermal structural change, stress relief, for example, in a part of the first machine part.

Abstract: A presoldered prefluxed electrical component or connector, which can protect the flux from wearing off the surface of solder during shipping and handling. The electrical component can include a terminal pad. A layer of solder can be on the terminal pad. The layer of solder can have a surface with a series of generally equally spaced apart flux wells formed in the surface of the solder for protectively storing and retaining flux therein. The flux wells can have a lateral dimension of at least 0.05 mm and a depth of at least 0.023 mm that is deep enough for retaining a quantity of flux therein when flux on the surface of the layer of solder wears off during shipping and/or handling.

Abstract: A semiconductor component includes a semiconductor package having a mountable face, a bump, and a coating part. The bump is made of first solder and is formed on the mountable face. The coating part formed of a first composition containing solder powder made of second solder, a flux component, and a first thermosetting resin binder coats the top end of the bump.

Abstract: A system includes an engine configured to drive a generator to produce a first power output, and a first inverter communicatively coupled to the generator. The first inverter is configured to convert the first power output into a second power output. The system includes a second inverter communicatively coupled to the generator. The second inverter is configured to convert the first power output into a third power output. The third power output includes a welding power output.

Abstract: The present invention is directed to a welding-type power source that includes a power source housing and an engine arranged in the power source housing to supply electrical power. An energy storage device is included that is in rechargeable association with the internal combustion engine and arranged to provide welding-type power for at least a given period.

Abstract: To bond bonding target members stacked on top of each other without generating dust or spatter into an electrically bonded article with improved mechanical strength against strong vibration etc. A first bonding target member or second bonding target member includes a relative displacement amount setting portion for setting the distance by which the bonding target portion of the first member and the bonding target portion of the second member are relatively displaced during bonding, and a current conduction suppressing layer is formed on the relative displacement amount setting portion. The second or first member includes a setting face that is placed opposed to the current conduction suppressing layer of the first or second member. In a state where the first and second members have been positioned, the distance between the current conduction suppressing layer and the setting face is equal to the width H of the bonded portion.

Abstract: According to one or more embodiments of the present invention, a method for fusing metal nanowire junctions in a conductive film includes applying a constant current through the conductive film including a plurality of metal nanowires and a plurality of metal nanowire junctions, or conducting an ultrasonic welding of the metal nanowire junctions.

Abstract: Spot welding electrodes with generally dome shaped welding faces are provided with surface features for welding both aluminum alloy sheet assemblies and steel sheet assemblies. A raised circular plateau is formed on the central axis of the dome and, in one embodiment, a suitable number of round bumps are formed in concentric spacing from adjacent the circumference of the plateau toward the circular edge of the welding face. For welding steel workpieces the plateau mainly serves as the engaging feature of the electrode. Both the plateau and concentric bumps are used in penetrating light metal surfaces for suitable current passage. In another embodiment, the domed surface is shaped with concentric terraces for engagement with the workpieces.

Abstract: A laser processing apparatus is provided wherein a laser beam of a wavelength which passes through a wafer having a surface on which a plurality of devices are disposed is irradiated along a schedule division line to separate the adjacent devices from each other to form a modification layer which continuously extends in a given length in the inside of the wafer. A mark portion is displayed in an overlapping relationship with a picked up image obtained by image pickup of a wafer on a display unit. If the mark portion is moved to a desired position of the picked up image displayed on the display unit, then coordinates which correspond to the desired position of the picked up image are stored as a start point or an end portion of a scheduled division line, along which the modification layer is to be formed, into a storage unit.

Abstract: A hexagonal single crystal wafer is produced from a hexagonal single crystal ingot. A separation start point is formed by setting a focal point of a laser beam inside the ingot at a predetermined depth from the upper surface of the ingot, which depth corresponds to a thickness of the wafer to be produced. The laser beam is applied to the upper surface of the ingot while relatively moving the focal point and the ingot to thereby form a modified layer parallel to the upper surface of the ingot and form cracks extending from the modified layer along a c-plane, thus forming a separation start point. The wafer is separated by immersing the ingot in water and then applying ultrasonic vibration to the ingot, thereby separating a plate-shaped member having a thickness corresponding to the thickness of the wafer from the ingot.

Abstract: Laser-machining apparatus includes a carbon monoxide (CO) laser emitting a beam of laser-radiation having forty-four different wavelength components and optical elements for delivering the radiation to workpiece. An acousto-optic modulator is provided for modulating the beam on the workpiece. A birefringent plate is provided in the beam transported to the workpiece for randomly polarizing radiation incident on the workpiece. A minimum distance of the workpiece from the laser, and the number of different-wavelength components in the laser beam provides that no optical isolator is required for preventing feedback of radiation into the laser.

Abstract: A system/method allowing intraocular lens (IOL) fabrication using a femtosecond laser is disclosed. The system and method generate a stream of pulses at a rate of at least 1 million pulses per second and a pulse length of 300 femtoseconds or less to sculpt a polymeric material blank (PMB) to form an IOL. The high repetition rate and short pulse length combine to permit IOL fabrication in less than 10 minutes. During this fabrication procedure a lens may be formed within the IOL by incorporating a refractive index shaping (RIS) structure within the IOL. Additionally, IOL haptics may be formed during this IOL formation process. This combination of physical feature generation and RIS structure generation permits per-patient customization of the IOL as it relates to sphere, cylinder, asphericity, multifocality, and/or higher optical aberrations (HOAs).

Abstract: A hybrid welding method capable of improving arc stability and improving the welding speed and the welding efficiency is provided. A hybrid welding method includes generating a TIG arc on a leading side in a welding direction and generating a MIG arc on a trailing side in the welding direction to weld a base metal, in which a TIG current is set to be higher than a MIG current so as to continuously generate arcs in a TIG electrode and a MIG electrode, and an absolute value of a distance from an intersection between a central axis of the TIG electrode and a surface of the base metal to an intersection between a central axis of the MIG electrode and the surface of the base metal is 20 mm or less.

Abstract: A case assembly includes a plurality of segments, at least one braze joint, and one or more welds. The braze joint connects the plurality of segments together and the one or more welds extend across adjacent segments.

Abstract: A method of aligning a subject tooling element of a material handling system of an ultrasonic bonding system is provided. The method includes the steps of: a) providing an overlay defining a relative position of at least a portion of a reference tooling element; b) viewing an image of at least a portion of the subject tooling element combined with a corresponding portion of the overlay; and c) adjusting a position of at least a portion of the subject tooling element by referring to the overlay in the image.

Abstract: A method is provided for assembling an aircraft structure assembly composed of a plurality of sections, and doing so without use of any shimming, locating fixtures or final-hole-size drill jigs. The method includes supporting the first and second frame sections on respective adjustable supports, and positioning the interconnecting frame section therebetween. The method includes aligning first pre-drilled mating holes in the interconnecting frame section with first pre-drilled mating holes in the first and second frame sections, and installing fasteners though the aligned, first pre-drilled mating holes. The method includes positioning a structural mating section relative to the first and second frame sections and interconnecting frame section.

Abstract: The present invention concerns a forming process for hot forming of a steel sheet of a rotor blade to be produced of a wind power installation, including the steps heating the steel sheet in a furnace while the steel sheet is lying on a hearth bogie, displacing the heated steel sheet with the hearth bogie from the furnace into a pressing apparatus for the hot forming operation, transloading the heated steel sheet in the pressing apparatus from the hearth bogie on to a form bogie having a counterpart form, and pressing the steel sheet by at least one pressing punch which presses on the steel sheet in such a way that it is formed between the pressing punch and the counterpart form and in particular assumes the shape of the pressing punch and the counterpart form.

Abstract: An apparatus and method are described for inserting angle plates in transverse duct flanges. The apparatus is especially useful in inserting angle plates into transverse duct flanges of duct fittings. Packages for holding angle plates are also described.

Abstract: A method for installing a fastener by positioning a cap around the fastener, spraying a cooling agent from a sprayer of a cooling system. The fastener may have a top portion including a dielectric material. The cooling system may be configured to cool the top portion of the fastener to stiffen the top portion. A tool may be configured to install the fastener in a structure after cooling, while retaining the cooling agent within the cap.

Abstract: An apparatus and method for supporting an object. In one illustrative embodiment, an apparatus may comprise a support structure, a positioning system, and a retention system. The positioning system may be associated with the support structure and configured to position the support structure with respect to a number of linear axes. The retention system may be associated with the support structure. The retention system may be configured to retain a portion of an object and move the portion of the object towards a platform such that the portion of the object substantially conforms to a shape of the platform.

Abstract: Provided is a device that prevents a workpiece from sticking to a clamp part and moving with the clamp part to a position deviating from a predetermined position. The device for holding the workpiece includes: a seat on which the workpiece is seated; a clamper that is movable with respect to the seat; a clamp part that is movably supported by the clamper and is configured to hold the workpiece at a clamp position with respect to the clamper in such a manner that the clamp part is pressed against the workpiece by an operation of the clamper so that the workpiece is held between the clamp part and the seat; and a biasing part that is configured to bias the clamp part to move the clamp part from the clamp position when the clamp part is at the clamp position.

Abstract: In a machine tool having at least one tool spindle which is displaceable in relation to a device for holding workpieces in at least one of three spatial directions and in which the tools (W1-W7) for processing the workpieces can be chucked, there are provided a machine magazine (36) in which tools (W1-W7) provided for exchange in the tool spindle (23) are kept in store and a background magazine (31) in which tools (W1-W7) provided for exchange in the machine magazine (36) are kept in store. In the machine magazine (36), not more than four storage places (42, 43, 44, 45) for accommodating tools (W1-W7) are provided (FIG. 2).

Abstract: A fixture for positioning a component in a desired location in a first plane for assembly, machining, or other processing related to manufacturing. The fixture includes a holder establishing a reference position within a second plane parallel with the first plane, and a pin retained by the holder for movement relative thereto in the second plane within a range of coarse alignment about the reference position. The pin and holder are movable together normal to the second plane to engage the pin with the locating feature. A fixing element is movable, when the pin is engaged with the feature, to urge the pin to the reference position.

Abstract: The invention relates, on the one hand, to a machine element (6), for example a motor spindle or an electromechanical drive unit, with integrated, internal cooling system (8) and, on the other hand, to a closed cooling circuit (24) with corresponding machine element (6). According to the invention, the cooling takes place with a special coolant (4). The coolant (4) is a dispersion containing at least one Phase Change Material (PCM).

Abstract: A seaming station and method of seaming utilizing two robot arms with seaming heads coupled thereto to seam a large lite by working in conjunction with one another or simultaneously seaming two lites independently of one another.

Abstract: In an eyeglass lens processing apparatus, if a material selector selects a thermoplastic material for the lens, a control unit performs a first step and then a second step. In the first step, the control unit controls a lens rotating unit to position a lens in a plurality of lens rotation angles and controls an axis-to-axis distance changing unit to cause a roughing tool to cut into the lens up to a roughing path for each of the plurality of lens rotation angles, the lens being not rotated by the lens rotating unit when the roughing tool is cutting into the lens up to the roughing path. In the second step, the control unit controls the lens rotating unit and the axis-to-axis distance changing unit to rough the lens based on the roughing path while the lens rotating unit rotates the lens.

Abstract: A polishing device includes a processing vessel into which workpieces are charged, a fluidizing unit that fluidizes the workpieces in the processing vessel, an abrasive-feeding unit that feeds an abrasive into the workpieces, and a suction unit that generates an air flow in a direction in which the abrasive passes through the processing vessel, and recovers the abrasive by suction. The abrasive fed from the abrasive-feeding unit is allowed to pass between the workpieces charged into the processing vessel by the air flow generated from the suction unit while coming into contact with the workpieces. Accordingly, the workpieces are polished.

Abstract: The porous polyurethane polishing pad includes a porous polyurethane matrix having large pores extending upward from a base surface and open to a polishing surface. A series of pillow structures is formed from the porous matrix that include the large pores and the small pores. The pillow structures have a downward surface extending from the top polishing surface for forming downwardly sloped side walls at an angle from 30 to 60 degrees from the polishing surface. The large pores open to the downwardly sloped sidewalls and are less vertical than the large pores. The large pores are offset 10 to 60 degrees from the vertical direction in a direction more orthogonal to the sloped sidewalls.

Abstract: A minimal quantity lubrication grinding device including: heat pipe grinding wheel covered with electrocaloric film material on both side surfaces, wherein external electric field is applied to outside of the electrocaloric film material; and electrostatic atomization combined nozzle provided with high-voltage DC electrostatic generator and magnetic field forming device at the outside and in an electrocaloric refrigeration and magnetically enhanced electric field; electrostatic atomization combined nozzle is respectively connected with nanoparticle liquid and gas supply system; and nanofluid is electrostatically atomized by electrostatic atomization combined nozzle and is jet to grinding area to absorb heat of grinding area; electrocaloric film material absorbs heat in grinding area through electrocaloric effect and disperses absorbed heat through heat pipe grinding wheel after leaving grinding area to form a Carnot cycle.

Abstract: Disclosed herein are systems and methods for cleaning a ceramic article using a stream of solid carbon dioxide (CO2) particles. A method includes flowing liquid CO2 into a spray nozzle, and directing a first stream of solid CO2 particles from the spray nozzle toward a ceramic article for a first time duration to clean the ceramic article. The liquid CO2 is converted into the first stream of solid CO2 particles upon exiting the spray nozzle. The first stream of solid CO2 particles causes a layer of solid CO2 to be formed on the ceramic article. After the layer of solid CO2 has sublimated, a second stream of solid CO2 particles is directed from the spray nozzle toward the ceramic article for at least one of the first time duration or a second time duration to further clean the ceramic article.

Abstract: The present invention provides, in at least one embodiment, a memorial process in the memorial industry utilizing a novel photo resist process and novel state of the art design ordering software. The software allows the customer to create and order a design online with the family present. The software solves problems including that the conventional process requires an approval of a layout or requires a professional draftsman on site to draw the customer's design. The software also allows for barcode label tracking throughout the process. Finely detailed engravings are achieved using the photo resist engraving process in the memorial industry, where the photo resist is repositionable prior to being applied to the memorial.

Abstract: A treatment and containment system for treating an elongate object to be treated. The system comprises surface treatment equipment or device for treating a portion of the elongate object to be treated; a housing defines an enclosed treatment area and separates the enclosed treatment area from an operator of the surface treatment equipment or device, and the housing is opened at opposed ends thereof; each opposed opened end of the housing accommodates a pair of movable doors which seal against the elongate object to be treated and thereby closing each opposed opened end of the housing; the housing has an access aperture therein through which the surface treatment device passes and communicates with the enclosed treatment area, and the access aperture facilitates manipulation of the surface treatment device within the housing; and a transparent viewing aperture facilitates viewing of the elongate object to be treated by the operator.

Abstract: Wet abrasive blasting systems are described that have a slurry piping system and a gas piping system that have pipes and other piping components, such as valves and regulators, that have a more consistent internal cross-sectional area than conventional wet abrasive blasting systems. The more consistent flow area provides astonishing improvements in blasting efficiency and consistent and predictable slurry flow rates.

Abstract: A wood-based blasting material is formed for introduction into a blasting fluid by mixing high-density pellet particles of various sizes. The pellet particles are formed from sawdust or fiber pressed under high pressure, resulting in brittle pellets. The pellets may then be crumbled and screened into particles of an appropriate size. The particles do not disassociate into their constituent materials when mixed with the blasting fluid, and thus maintain their density during use in the abrasive blasting process.

Abstract: An adapter according to one aspect is an adapter for fixing to a shaft of a grinding machine a grinding wheel having a through-hole where the shaft is inserted. The adapter is provided with a main body having at least a portion thereof inserted into the through-hole, the main body including an outer wall that contacts a wall of the through-hole and an inner wall that forms an opening that corresponds to the shaft, and a plurality of reinforcing parts provided in predetermined intervals along a circumferential direction of the main body. Each reinforcing part extends from the inner wall to the outer wall, and a notch is formed in each reinforcing part.

Abstract: Disclosed herein is a grinding tool, which includes a plate, a plurality of holders formed on the plate and having sliding grooves, a shoe coupled to the sliding groove of each of the holders, and grinding tips arranged on the shoe. The shoe includes a fastening part fastened to the sliding groove, and an upper plate part formed on the fastening part and located on an upper surface of the holder outside the sliding groove. The shoe can be fastened to the holder in two or more directions, and the grinding tips can be arranged in two or more forms when viewed from the plane.

Abstract: A cutlery sharpener is disclosed for conditioning a cutlery edge. The cutlery sharpener comprises a sharpening shaft extending between a proximal end and a distal end and defining a sharpening surface for engaging the cutlery edge. A line of symmetry extends through the proximal end and the distal end of the sharpening shaft. A handle extends between a proximal end and a distal end and defining a handle surface for engaging a hand. A non-line of symmetry extends through the proximal end and the distal end of the handle. A couple links the proximal end of the sharpening shaft with the proximal end of the handle. The non-line of symmetry maintains a thumb and a plurality of fingers of the hand in a safe orientation and safe distance from the cutlery edge during displacement of the handle relative to the cutlery edge and engagement between the cutlery edge and the sharpening shaft.

Abstract: A device for swabbing a surface and collecting a substance therefrom comprises a handle and a sponge releasably mounted to the handle. The handle includes at least one gripping member adapted to engage the sponge and retain the sponge mounted to the handle in a first position of the gripping member, the gripping member being adapted upon pressure exerted on an actuator to move the gripping member to a sponge-release position thereof for releasing the sponge from the handle. Typically, there are provided two opposed gripping members, wherein the pressure is exerted by a user's fingers on each gripping member and towards one another. The gripping members are actuated to the sponge-release position without requiring that the user substantially moves his/her hand and fingers longitudinally along the handle.

Abstract: A drive mechanism for installing thread protectors on threaded pipe ends having a servo motor, a housing, a shaft assembly, and a gripper with a plurality of jaws. The shaft assembly has a hollow shaft, rotationally mounted within the housing, and a solid shaft slidably mounted within the hollow shaft. The hollow shaft and solid shaft are coaxial and rotationally coupled. The gripper is mounted on the end of the solid shaft, outside of the housing, and is biased away from the housing. A sensor monitors the relative axial motion between the solid shaft and the hollow shaft.

Abstract: A tool head cover is provided for a rotary tool, which secures over a portion of the tool head and a portion of the rotating member extending therefrom to protect the tool during operation and to protect the user. The device comprises a shank cover member that extends over the rotating member of the tool, whereby the shank cover member has an outer sidewall and a hollow interior portion. The cover may comprise a unitary element that secures to the tool, or alternatively the cover may comprise a multi-component assembly that secures over the tool head using two or more elements. Several embodiments are disclosed. In each embodiment, the cover secures over the junction between the tool head and the tool rotating member, whereby the tool is rotary tool such as a ratchet wrench or powered driver tool.