Abstract: A saw blade clamping device has a first clamping device for clamping a first working element and a second clamping device for clamping a second clamping element, wherein the first clamping device and the second clamping device are parallel to each other and mounted to a transmission controlling mechanism. The two clamping devices can be controlled by the transmission control mechanism to can not only clamp a single saw blade but to allow for replacement of the single saw blade by double saw blades without changing the clamping system, which enables the replacement of the saw blade to be more convenient and quick.

Abstract: Braze methods include providing a substrate comprising a pre-sintered preform disposed thereon, wherein the pre-sintered preform comprises a mixture comprising a base alloy comprising about 30 weight percent to about 90 weight percent of the mixture and a second alloy comprising a sufficient amount of melting point depressant to have a lower melting temperature than the base alloy. Braze methods further include at least partially covering the pre-sintered preform with a heat resistant material, wherein a melt temperature of the heat resistant material is higher than a melt temperature of the pre-sintered preform, and heating the pre-sintered preform on the substrate.

Abstract: An arc welding system and method where burnback time (BBT) is correlated to wire feed speed (WFS). Means for feeding a wire electrode toward a workpiece and means for selecting a wire feed speed (WFS) are provided. Also, means for automatically adjusting a burnback time (BBT) of the wire electrode in response to the selected wire feed speed (WFS) is provided.

Abstract: A method for re-manufacturing a worn railroad car wheel is described herein. The method includes identifying a candidate wheel or wheel set, preparing the wheel or wheel set to receive new welding, performing a welding operation on the wheel/wheel set, and performing post-welding steps to ensure the re-manufactured wheel meets a defined profile standard. Preparing the wheel may include cleaning, grinding, and pre-heating one or more surfaces of the wheel.

Abstract: A seam welding robot includes a robot arm and a welding unit that is coupled to the robot arm. The welding unit includes a pair of roller electrodes. The pair of roller electrodes rotates following motion of the robot arm while sandwiching and pressurizing welding targets. The welding unit passes a welding electric current between the pair of roller electrodes to seam-weld the welding targets.

Abstract: The capacitive welder includes a charging circuit, a welding transformer, a capacitor, a discharging switching element connected in parallel with a primary winding of the welding transformer and the capacitor that are connected in series, a bypass switching element connected in parallel with the primary winding, welding electrodes connected in parallel with a secondary winding of the welding transformer, and a control circuit for bringing the welding transformer into a reset allowing state by allowing a reset current to flow in the primary winding using the input power introduced through the charging circuit without supplying an ON signal to the bypass switching element, and then supplying the ON signal to the bypass switching element such that the capacitor is charged through the bypass switching element by the input power introduced through the charging circuit.

Abstract: A hollow component made of thin sheet metal members is described, along with a method of manufacturing such hollow component. The method involves applying a flow drilling process on one sheet metal member of a pair of sheet metal members having a gap G between them to form a first collar part. A flow drilling process is applied on the other sheet metal member of the pair to form a second collar part as well as to cause an inner tip of the second collar part to fuse with an inner tip of the first collar part. A cylindrical connection member is formed to strengthen a flat sheet metal members.

Abstract: A laser machining apparatus that includes an interferometric height position detection unit, a condensing point position adjustment unit, and a confocal optical height position detection unit. A controller of the laser machining apparatus specifies, as a correction value, the difference between the two height positions of the upper face of the workpiece, one detected by the confocal optical height position detection unit and the other detected by the interferometric height position detection unit. The controller controls the condensing point position adjustment unit based on the height position obtained by correcting the height position of the upper face of the workpiece detected by the interferometric height position detection unit using the correction value.

Abstract: A laser cutting device includes a control unit which sets a steady oxygen concentration, a moving speed of a laser nozzle and laser beam steady control conditions based on a material and a plate thickness of the workpiece, decreases the moving speed of the laser nozzle to a first setting speed when the laser nozzle arrives a first setting position in front of an end point of a cutting trajectory, and decreases a relative moving speed of the laser nozzle to a second setting speed by varying the oxygen concentration of the cutting gas and the control condition of the laser beam when the laser nozzle arrives at a second setting position.

Abstract: A method for drilling a shallow-angled hole through a thermal barrier coated component includes a step of applying a pulse laser beam to drill a section of the hole substantially within a thermal barrier coating of the component in a direction substantially perpendicular to a top surface of the component. A further step is conducted to apply the pulse laser beam to further drill through a base metal of the component to complete the formation of the hole extending through the component.

Abstract: A filtering assembly is laid flat on an outer shroud. An inner drainage layer is set over the filtering assembly while laid flat such that the inner drainage layer overlaps the filtering assembly. The inner drainage layer is sealed and secured to the outer shroud by diffusion bonding or welding while overlaying the filtering assembly. With the filtering assembly held firm between the inner drainage layer and the outer shroud a spiral winding procedure is commenced to roll the flat assembly into a cylindrical shape. The edges are sealed by welding or diffusion bonding. The spiral winding and seam closure can be done on a perforated base pipe or the base pipe can be inserted into the finished assembly at a later time and secured. Alternatively the filtering assembly and outer shroud, with or without the drainage layer can be wound over a perforated base pipe or a complete screen assembly.

Abstract: It is an object of the present invention to provide a bonding wire capable of maintaining a structure and a configuration thereof at the time of performing wire bonding; and a manufacturing method thereof. Provided is a bonding wire having a core member mainly composed of copper; and a palladium coating layer. Particularly, formed in a center of the core member is a fibrous structure with copper crystals extending in an axial direction.

Abstract: Provided is a soldering method through nickel plating layer to reduce void occurrence rate and a method of manufacturing semiconductor device by using the soldering method. By heating a copper base plate having a nickel plating layer at a temperature range of 300° C. to 400° C. in an inert gas atmosphere beforehand, void occurrence rate can be reduced in soldering the copper base plate to an insulating circuit board.

Abstract: Various embodiments of thermal compression bonding transient cooling solutions are described. Those embodiments include a an array of vertically separated micro channels coupled to a heater surface, wherein every outlet micro channel comprises two adjacent inlet micro channel, and wherein an inlet and outlet manifold are coupled to the array of micro channels, and wherein the heater surface and the micro channels are coupled within the same block.

Abstract: There is disclosed a welding frame for welding a first pipe having a first free end to a second pipe having a second free end; the frame comprising a first clamp for reconforming the first pipe adjacent its first free end and a second clamp for reconforming the second pipe adjacent its second free end; and a mounting frame mounting the first and second clamps in substantially coaxial relation. The first clamp and second clamp are actuable to hold the first free end of the first pipe in close coaxial opposition with the second free end of the second pipe for welding. There are also disclosed clamps for a frame for welding pipes, dies for use with the clamps, and methods for welding pipes.

Abstract: An example method of assembling a turbomachine airfoil array includes, among other things, securing a partial airfoil array within a fixture, the partial airfoil array having at least one existing airfoil extending radially between an inner and an outer fairing and an open area where at least one existing airfoil has been removed. The method includes mounting a positioning saddle relative to a base of the fixture, the positioning saddle aligned with the open area, holding a replacement airfoil using the positioning saddle, applying a curable material at an interface between the replacement airfoil and the inner and outer fairing, and curing the curable material while maintaining a relative position between the replacement airfoil and the inner and outer fairing.

Abstract: A method for manufacturing a carrier assembly of a stacked planetary gear set is provided. The method includes forming the inner and outer spiders and attaching the spiders to a back plate or to each other to form the carrier assembly. One or both of the inner and outer carrier spiders are formed from powdered metal, by precision casting, and/or by stamping. The stacked planetary gear set may be axially aligned or axially offset.

Abstract: A hole cutter having an extruded plate cap and methods and apparatuses for making such caps and hole cutters. The plate cap has planar opposing external and internal surfaces with an extruded hub extending axially inwardly from the internal surface. An aperture extends axially through the hub from the external surface. At least a portion of the aperture can be threaded for threaded engagement with a driving arbor. The hub is long enough so that the threaded portion contains at least two full threads. A blade body with a cutting edge is attached to the cap to form a hole cutter.

Abstract: Method of manufacturing a cemented carbide cutting tool, includes a) bonding a body part of hot work tool steel and a cutting part of cemented carbides together by heat treatment; b) cooling the bonded body part and cutting part for a preset period of time; c) machining the cutting part to have a predetermined pattern according to its application and forming a cutting tool; d) coating a surface of the machined cutting tool with a film of at least one of metallic oxides, nitrides and carbides; and e) cooling the coated cutting tool for a preset period of time in air, and a cutting tool manufactured by the method. Cracks do not generate even after the coating step, and thus cemented carbide cutting tool having excellent mechanical properties may be manufactured.

Abstract: A method for embellishment placement is provided. More specifically, an automated method for determining placement of embellishments for an item, such as a jewelry item, is provided. In one embodiment, the method comprises, determining and setting values for parameters, creating offsets along a portion of the item to be embellished, setting points along the offsets, randomizing the points, adding decorative features to the item, and eliminating points based on the parameter values. After points violating the parameter values have been eliminated, the remaining points comprise positions for embellishments.

Abstract: The present invention discloses a replacing mechanism for rubbing rollers in rubbing equipment, comprising a stage, an exchange placement platform, an exchange unit, and a connecting device for connecting the exchange placement platform and a rubbing platform in the rubbing equipment, and the stage is provided with placement grooves arranged in parallel, the number of which is larger than that of the rubbing rollers in the rubbing equipment, and in a rubbing roller replacing position, a first pressing device and/or a second pressing device of the rubbing equipment takes down worn rubbing rollers from the rubbing equipment and puts the worn rubbing rollers into vacant placement grooves in the stage, or takes out new rubbing rollers from the placement grooves and installing the new rubbing rollers on the rubbing equipment.

Abstract: The method that exchanges pallets (118) between a table (116) and a pallet loading station (14) of a machine tool is configured so that the lower edge (122) of a pallet (A) installed on the table (116) is grasped by the leading edge portion (17) of a first arm (16a) of the exchanging arm (16) and the one side (122) of a pallet (B), which is disposed on the pallet loading station (14), that will become the lower edge when the pallet is installed on the table (116) is grasped by the leading edge portion (17) of a second arm (16b) of the exchanging arm (16), and the exchanging arm (16) is rotated 180° around an inclined axis (O) that extends 45° upward from a horizontal axis in a vertical plane that contains the axis of rotation (Os) of the main axis (108).

Abstract: A transmission for a power tool includes an intermediate shaft and first and second driving gears coupled for co-rotation with the intermediate shaft. The transmission also includes an output shaft having first and second driven gears continuously engaged with the respective first and second driving gears. The transmission further includes a hub coupled for co-rotation with the output shaft, and a collar. The collar is axially movable along the output shaft between a first position in which the collar couples the first driven gear to the hub for co-rotation with the output shaft, and a second position in which the collar couples the second driven gear to the hub for co-rotation with the output shaft.

Abstract: A power tool has a base for supporting the power tool on a surface. A frame is supported on the base and includes a track that extends longitudinally along the frame. A fixed gib is attached to one side of the frame and a movable gib is attached to the other side of the frame. The movable gib can move with respect to the frame. A slide is positioned between the fixed gib and the movable gib for longitudinal movement with respect to frame and is constrained from lateral movement by the fixed gib and the movable gib.

Abstract: An unloading and feeding device can include a driving mechanism, a mounting member, two elastic assemblies, a rotating assembly, a pressing member, and a picking member. The driving mechanism can include a base plate having an edge, a movable assembly coupled to the base plate, a first limiting member coupled to the base plate adjacent to the edge, and a second limiting member coupled to the base plate away from the edge. The first limiting member and the second limiting member are positioned at opposite sides of the base plate. The mounting member can be coupled to the movable assembly. The elastic assemblies can be positioned at opposite sides of the movable assembly, corresponding to the first and second limiting members respectively. Each of the elastic members can include a movable member extending through the mounting member.

Abstract: The disclosure relates to a mechanical hand tool device, in particular a fret and/or a reciprocating saw device, including a locating unit having at least one antenna. The locating unit is configured to detect objects outside a workpiece and to detect objects inside the workpiece.

Abstract: A high precision rigid gas-permeable contact lens edge curve polishing lathe includes a base provided at the bottom of a machine body. A first crank and a second crank are respectively provided on two sides of the base. A detent mechanism is provided on both the first crank and the second crank. The detent mechanism includes an ejector pin matching the rotational direction of the first crank and the second crank and a numerical display unit revealing the position of the ejector pin. The contact position of a polishing sponge on a spindle of the polishing lathe and a lens can be precisely positioned through numerical reading, realizing quantized control of the polishing of a lens edge, and enabling improvement and modification to the design of the lens edge to become simpler.

Abstract: Finished ophthalmic lens and corresponding methods. Finished ophthalmic lens having one concave face, one convex face; an outer perimeter with a thickness within a pre-established range; a central useful area that fulfills a pre-established ophthalmic prescription, which defines a machined surface, and which has a useful perimeter that coincides with a perimeter of a pre-established frame; and an outer transition area that joins the useful perimeter of the central useful area to the outer perimeter. A transition area includes a transition surface that extends from the machined surface and as far as the outer perimeter, is continuous and a derivative thereof is continuous on all points, including a joining line between the transition surface and the machined surface.

Abstract: A polishing apparatus which can reduce scratches that are generated on a surface of a substrate during polishing by detecting a foreign matter such as a fragment of the substrate on an inner circumferential surface of a retaining ring for holding an edge portion (peripheral portion) of the substrate is disclosed. The polishing apparatus includes a polishing table having a polishing surface, and a top ring having a substrate holding surface to hold a beck surface of a substrate and a retaining ring to retain the substrate on the substrate holding surface. The top ring holds the substrate and presses the substrate against the polishing surface. The polishing apparatus includes an imaging device configured to image an inner circumferential surface of the retaining ring, and an image processor configured to process an image obtained by the imaging device to judge whether there is a foreign matter on the inner circumferential surface of the retaining ring.

Abstract: A planarization device and a planarization method using the same are provided. The planarization device comprises a platen, a grinding pad, an operation arm, a chuck and a shielding pad. The grinding pad is disposed on the platen. The operation arm has a lower surface. The chuck rotatably is disposed on the operation arm. The shielding pad is detachably disposed on the lower surface of the operation arm.

Abstract: The present invention provides a polishing composition that can be suitably used in polishing of polysilicon, and a polishing method using the polishing composition. The polishing composition contains a nitrogen-containing nonionic surfactant and abrasive grains and has a pH of 9 to 12. The content of the nitrogen-containing nonionic surfactant in the polishing composition is preferably 20 to 500 ppm. The abrasive grains contained in the polishing composition are preferably colloidal silica. The average primary particle diameter of the abrasive grains contained in the polishing composition is preferably 10 to 90 nm. The content of the abrasive grains in the polishing composition is preferably 1.0 to 5.0% by mass.

Abstract: A retainer ring for chemical-mechanical polishing or other processes includes an outside ring and an inside ring that is attached to the outside ring. The inside ring is softer than the outside ring in hardness.

Abstract: An abrasive blasting apparatus comprises a blast pot, a blast media valve fluidly connected to said blast media outlet of the blast pot, a source of pressurized gas, a proportional air valve in fluid communication with the blast media valve and the source of pressurized air, a hose having a blast nozzle at a distal end thereof, and a main control unit fluidly connected to the blast media valve and the air valve. The blast media valve comprises a housing having a blasting media intake, a plunger disposed within the housing, a sleeve disposed between the housing and the plunger, a blast media port in the sleeve, a casing fixedly connected to the housing, a piston disposed within the casing and connected to the plunger, and a base member fixedly connected to the housing. The plunger is movable by the piston with respect to the blast media port.

Abstract: A modular abrasive particle blasting system comprises an abrasive blast assembly including at least one blast vessel for delivering blast particles to an abrasive blasting system. The abrasive blast assembly is mounted within a first skid. An abrasive recycling assembly includes at least one vacuum hopper for receiving grit retrieved from an abrasive blasting process. The abrasive recycling assembly is mounted within a second skid. The first and second skids comprise mounting members at a top section and a bottom section of each of the first and second skids to permit mounting of the first and second skids in alternate stacked arrangements whereby the first skid is selective mounted above and below the second skid. The same skid principal may be used to provide a variety of skids, including blast skid, vacuum skid, recycle skid, storage skid, air dryer skid, dust collector skid and or dehumidification skid.

Abstract: In an embodiment, a method of forming an abrasive element is disclosed. The method includes sintering a powder mixture including a plurality of superabrasive particles, a plurality of sp2-carbon-containing particles, and a metallic constituent to form the abrasive element.

Abstract: An abrasive article comprising a nonwoven substrate material having a top surface and a bottom surface; a woven cloth; a thermoplastic fastener; and a plurality of abrasive particles, wherein the cloth layer is adhered to the top surface of the nonwoven substrate material; wherein the thermoplastic fastener is disposed on the cloth, and wherein the plurality of abrasive particles are disposed on at least the bottom surface of the nonwoven abrasive substrate.

Abstract: A device used to smooth a material's surface with abrasion. More specifically, the device is in the form of a glove or mitten with an abrasive layer that is placed over, and secured on, a user's hand to protect the user's hand and to provide an agile and flexible range of motion while sanding a material's surface.

Abstract: A compression tool suited for aiding the installation of gas cylinders, especially for the underside of fold-and-roll tables. The tool comprises a generally C-shaped clamp subassembly having a lower jaw, an upper jaw, and an arm. A spindle is connected through the upper jaw, the spindle having a spindle lower end. An upper channel member, preferably U-shaped, is connected to the spindle lower end, the upper channel member configured to travel axially along the spindle and engage a first eyelet of a gas cylinder. A lower channel member, also preferably U-shaped, is connected to an outer end of the lower jaw in alignment with the upper channel member, the lower channel member configured to engage an opposing, second eyelet of the gas cylinder, wherein the gas cylinder is compressed and secured within the clamp subassembly and immobilized for installation.

Abstract: A wrench having two separate jaw arms, at least one jaw member on each said arm, and a sliding cam engaging the two arms, so that the two arms can be adjusted together or apart while maintaining the respective jaw members in a precise parallel relationship, and in which the cam engages both the jaw arms simultaneously.

Abstract: Gripping inserts used in a wrench having a collection of moveably positionable jaws which is pivotally affixed to a handle are described. The wrench and gripping inserts find particular application in drilling industries. Also described are particular materials and characteristics for the gripping inserts. In addition, methods for configuring and/or sizing the gripping inserts are described.

Abstract: Illustrative embodiments of impact tools having pressure verification and/or adjustment systems are disclosed. According to at least one illustrative embodiment, an impact tool may comprise a housing, an impact mechanism supported in the housing, a motor supported in the housing, and a pressure probe coupled to the housing. The impact mechanism may be configured to drive rotation of an output shaft about a first axis, the motor may be configured to drive the impact mechanism when energized, and the pressure probe may be configured to couple to a valve of a motor vehicle tire to measure an air pressure of the motor vehicle tire.

Abstract: An electric screwdriver is disclosed. The screwdriver has a spindle, a locking body, a radial stop, a strap, and a spring. The spindle defines a receiving area and an oblong hole which is open into the receiving area in a radial direction. The locking body is disposed in the oblong hole, where the locking body is protrudable into the receiving area. The radial stop is engageable with the locking body where, when the radial stop engages with the locking body, the locking body protrudes into the receiving area. A first end of the strap engages behind the locking body on a drive end. The spring is disposed between a second end of the strap and the radial stop.

Abstract: A number of variations may include a product including an installation device having a plurality of pillars which are constructed and arranged to accept a passenger airbag housing; wherein at least one sensor or switch is attached to the installation device which may physically engage at least one tab during the installation process and which may provide electronic feedback of the installation results. A number of variations may include a method including placing a passenger airbag assembly having at least one lock feature onto an instrument panel chute having at least one tab feature; placing the installation device having at least one sensor or switch attached to it onto the passenger airbag assembly; pressing down on the installation device to engage the at least one lock feature with the at least one tab feature; and wherein the at least one sensor or switch provides electronic feedback of the installation results.

Abstract: A hammer mechanism is provided, which has at least one impact-generation unit which includes a strike element, a clamping chuck drive shaft mounting the strike element in movable manner in the strike direction in at least one operating state, and a coupling unit which is connected to the clamping chuck drive shaft in torsionally fixed manner and provided to drive the impact-generation unit.

Abstract: A bottle cap removing cutlery is disclosed herein. The bottle cap removing cutlery comprises a main body, a cutlery member, a bottle cap opener. The cutlery member is preferably a knife, spoon, fork or like utensil. The bottle cap opener comprises a fulcrum portion, a lifting portion and an opener cutout.

Abstract: The present invention relates to a restart protection device and a method thereof, wherein the restart protection device is installed in an electric device, and comprises a switch module and a restart protecting module. The restart protecting module is connected between the switch module and a motor of the electric device, used for preventing the current outputted by an external electrical power from directly flowing into the motor when the electric device is restarted. To start the electric device, the user must follow the steps of the restart protection method, such that the unexpected accidents resulted from the sudden restart of the electric device can be effectively prevented.

Abstract: A power tool for performing a predetermined operation by using a tool driven by a motor including a first housing to which the tool is attached at an end of the first housing and which has a cylindrical portion of the first housing, a second housing which has a cylindrical portion of the second housing covering the cylindrical portion of the first housing, and a vibration reduction member which is provided between the cylindrical portion of the first housing and the cylindrical portion of the second housing and which reduces transmission of vibration between the first housing and the second housing via elastic shearing deformation of the vibration reduction member. A direction of the shearing deformation of the vibration reduction member corresponds to a direction of a rotation axis of the motor.

Abstract: Three battery cells can be arranged such that one battery cell is situated on the front side of a handle portion and that the remaining two battery cells are situated on the rear side thereof while being arranged laterally side by side. Also, a handle portion can be generally of a triangular cross-sectional configuration whose apex portion is situated on the front side of the handle portion and whose base portion is situated on the rear side thereof; and the handle portion is grasped by bringing fingertips into contact with the apex portion (11a) on the front side.

Abstract: An apparatus configured as a scrub brush having an ergonomic handle. The body of the handle is designed to move an upper elongate portion of the scrub brush to a vertical position in a ‘rocking’ motion. To move the head of the scrub brush above the body, the ‘rocker brush’ includes a stabilizing weight positioned within a cavity formed in a rounded bottom of the handle. The weight in the rounded bottom causes the scrub brush to ‘flip’ upwards in a rocking motion when a user sets the scrub brush on a flat surface, such as a kitchen or bathroom countertop.

Abstract: A display board for socket is provided, for assembling of at least one socket thereto. The socket includes a positioning hole including a large-diameter hole, a small-diameter hole and an inner hole. The display board includes a main body. The main body is formed with an assembling portion. The assembling portion includes at least one stepped engagement portion protrudedly formed on a surface of the main body. The stepped engagement portion includes a small-diameter portion and an inner hole engagement portion. The small-diameter portion includes a first lateral surface, and the inner hole engagement portion includes a second lateral surface. When the stepped engagement portion is inserted in the positioning hole, the first lateral surface corresponds to and is releasingly assembled within the small-diameter hole, and the second lateral surface corresponds to and is tightly engaged with an inner wall of the inner hole.