Abstract: A cutting insert has an insert major body which includes two hexagonal faces facing each other and six side faces arranged around the two hexagonal faces, and is rotationally symmetrical at 120° intervals about an insert center line passing through centers of the two hexagonal faces and inversely symmetrical in front and back with respect to the two hexagonal faces, wherein a major cutting edge and an minor cutting edge are alternately formed in a circumferential direction in the single hexagonal face at twelve intersecting ridgeline portions at which the hexagonal faces and the side faces intersect, the major cutting edge is formed to be located at an intersecting ridgeline portion with one hexagonal face while the minor cutting edge is formed to be located at an intersecting ridgeline portion with the other hexagonal face at a single side face.

Abstract: This disclosure relates to a cutting tool, having a main body, a cutting head, which is joined to the free end of the main body and is formed, by primary shaping, as a sintered piece provided with at least one cutting edge, and a cooling lubricant feed, which is led through the main body axially and which has a cooling lubricant distributor inserted into the cutting head for redirecting cooling lubricant into the region of the at least one cutting edge. According to this disclosure, a plurality of protruding spacers for keeping a gap clear with respect to the cooling lubricant distributor and/or the main body are sintered on a supporting surface of the cutting head as primary shaped elements.

Abstract: A miter saw includes a base, a worktable pivotally mounted to the base, a fence mounted at the worktable, an operating handle connected to the worktable, and two opposing supporting units respectively mounted to two opposite sides of the base. Each supporting unit includes a fixed panel and a movable panel pivoted to the fixed panel and biasable between an extended position where the operating handle is stoppable by the fixed panel upon operation to rotate the worktable and a first included angle is defined between a cutting slot and a fence of the worktable and a received position where the operating handle is stoppable by the movable panel upon operation to rotate the worktable and a second included angle larger than the first included angle is defined between the cutting slot and the fence of the worktable. Thus, the miter saw achieves the effect of increasing the miter angle.

Abstract: A cutting device comprising a drive assembly operably coupled to and powered by a drive means. The drive assembly comprises a worm gear operably coupled to and driven by the drive means, a crank assembly operably coupled to and driven by the worm gear, a timing assembly operably coupled to and driven by the crank assembly, an actuator assembly operably coupled to and driven by the timing assembly and a crank arm operably coupled to the crank assembly and the timing assembly. A drive cable extends from and is operably coupled to the actuator assembly. A flexible cutting means is operably coupled to the drive cable. The drive assembly is configured such that a reciprocating motion is transmitted to the cutting means such that the cutting means is reciprocated for cutting an article.

Abstract: A tool for machining splines on a workpiece comprises a base, a first tooth extending radially from the base and a second tooth extending radially from the base. The second tooth is spaced circumferentially from the first tooth. The first tooth has a first height, the second tooth has a second height and the second height is less than the first height. The first tooth tapers from the base to the tip of the first tooth, the second tooth tapers from the base to the tip of the second tooth and the first tooth is identical to the second tooth to the second height.

Abstract: There is provided a method for processing a raceway groove configured to circumferentially form a to-be-processed side raceway groove on a surface to be processed of a workpiece, the to-be-processed side raceway groove is configured to be brought into rolling contact with a rolling element, and the surface to be processed is a cylindrical circumferential surface. The method for processing a raceway groove includes: arranging a processing rolling element rotatably between the to-be-processed side raceway groove and a tool side circumferential surface which is opposed to the surface to be processed and which is a cylindrical circumferential surface of a machining tool; rotating the machining tool relatively with respect to the workpiece; and performing a burnishing process on the to-be-processed side raceway groove.

Abstract: A process for manufacturing an electronic component having attaches includes providing a first component having a first attach, forming trenches on a portion of the first attach with a laser to form a solder stop, and providing a second component comprising a second attach. The process further includes providing solder between the first attach and the second attach to form a connection between the first component and the second component, where the trenches contain the solder to a usable area. A device produced by the process is disclosed as well.

Abstract: A soldering tip for a soldering iron is presented. In one aspect, the soldering tip is used in a hand-held soldering iron for soldering an electrical connection element on an electrically conductive structure on a substrate. The soldering tip includes a substantially hemispherical end portion. Also presented is a method for producing a pane with an electrical connection element using the soldering tip with a hand-held soldering iron.

Abstract: Electrode diameter sensing consumables are disclosed.

Abstract: Methods and apparatus to communicate via a welding arc are disclosed. An example welding-type power supply includes a power converter, a weld monitor, and an arc modulator. The power converter outputs welding power to sustain a welding-type arc at a welding-type torch. The weld monitor monitors one or more aspects of a weld performed using the welding-type arc and the welding-type torch, and selects an audio message based on the one or more aspects. The arc modulator configured to modify the welding-type arc to output the selected audio message as a plasma speaker.

Abstract: A laser wire feeding system includes a wire feeding device, a laser device, a first controller, and a second controller, and the first and second controllers are provided for sensing whether or not the wire feeding device normally conveys wires and whether or not a wire output end of the wire feeding device shifts is offset from the laser irradiation position of the laser device, and driving a motor to shift a horizontal shifting seat fixed with the wire feeding device to fine tune the wire feeding position according to the offset position.

Abstract: An arc welding system of a consumable electrode type comprises: a wire feeding device that feeds welding wire from a wire feeding source to a welding torch; and a power supply device that supplies electric power between the welding wire fed to the welding torch and a base material, the system being configured to weld the base material by arc generated by the supplied electric power. The wire feeding device is provided with: an intermediate wire feeding source that is disposed between the wire feeding source and the welding torch and is configured to temporarily accommodate the welding wire fed from the wire feeding source and to feed the accommodated welding wire to the welding torch; a pull-out feeding part that feeds the welding wire at the wire feeding source to the intermediate wire feeding source; and a push-out feeding part that feeds the welding wire accommodated in the intermediate wire feeding source to the welding torch.

Abstract: An additively manufactured element includes a support structure connected to an article body. The connectors connecting the support structure to the article body are fused supports. Also disclosed is a method for removing the support structure from the article body by passing an electrical current through the fused supports, thereby breaking the fused supports.

Abstract: A method for layer-by-layer manufacturing of a three-dimensional metallic work piece, comprising the steps of: delivering a metallic feed material in a substantially solid state into a feed region; emitting an electron beam having one or more predetermined electrical currents; translating the electron beam through a first predetermined raster pattern frame in an x-y plane that includes: a plurality of points within the feed region sufficient so that the metallic feed material is subjected to a melting beam power density level sufficient to cause melting of the metallic feed material and formation of a molten pool deposit; and a plurality of points in a substrate region that is outside of the feed region, sufficient so that the plurality of points outside the feed region is subjected to a substrate beam power density level that is different from (e.g.

Abstract: A system and method for joining dissimilar metals. In one embodiment, a method comprises providing a first metal plate, a second metal plate, and an intermediate body that is positioned between the first metal plate and the second metal plate. The first metal plate is then driven into the intermediate body, which causes at least a portion of the intermediate body to collide with the second metal plate. As a result, the material of the intermediate body joins the first metal plate to the second plate. In another embodiment, a method for joining dissimilar metals comprises providing a first metal that is not amenable to welding, a second metal that is joinable to the first metal, and an intermediate body that is not joinable to at least the first metal. The intermediate body may have at least one hole such that the first metal and the second metal are positioned over and on opposite sides of the hole(s). At least a portion of the second metal may then be driven into the hole(s) to be joined to first metal.

Abstract: The invention relates to base part of a mold for aluminothermic welding of metal rails, which base part generally has a rectangular parallelepiped and has an upper face for receiving the foot of said rails, this upper face having a hollow cavity comprising a base, two opposing longitudinal side walls, and two opposing transverse side walls. The invention is characterized in that each of said longitudinal side walls has an intermediate region surrounded by two end regions, and these end regions are located in the same plane, whereas the intermediate region has a curved profile, the well of which is directed towards the opposite side wall.

Abstract: A method for manufacturing a faucet including a base and a spout includes providing a first faucet portion defining a first edge extending a distance between the base and the spout, providing a second faucet portion defining a second edge extending the distance, welding, by a laser welding apparatus, the first edge of the first faucet portion to the second edge of the second faucet portion to form a welded joint extending along the distance, and grinding the welded joint to form a faucet body.

Abstract: In a method for determining a deviation of a spatial orientation of a beam axis (S) of a beam processing machine from a spatial nominal orientation (S0) of the beam axis (S), contour sections (KA1, KB2) are cut with a processing beam into a test workpiece from two sides of the workpiece. The contour sections (KA1, KB2) extend parallel to a nominal orientation of a rotation axis (B, C), where the rotation axis is to be calibrated. The contour sections (KA1, KA2) are probed from one side of the test workpiece by a measuring device for determining the spatial position of the contour sections (KA1, KB1). Deviation of the spatial orientation of the beam axis (S) of the beam processing machine from the spatial nominal orientation (S0) is determined based on the spatial positions of the contour sections (KA1, KB1).

Abstract: A laser annealing device and methods for annealing using the device are disclosed. The laser annealing device includes: a laser light source system (3); a laser adjusting system (4) that is connected to the laser light source system and is disposed above a wafer (1); a temperature monitoring system (5) that is disposed above the wafer (1) and configured to measure in real time a temperature at a location of the surface of the wafer at which a light spot is formed; and a central control system (6) in connection with each of the laser light source system, the laser adjusting system, the temperature monitoring system and a wafer table (2). The wafer is jointly annealed by laser beams from several independent lasers (31) in the laser light source system, which have different wavelengths and cooperate in a mutually complementary manner, with a selected optimum set of process parameters. As a result, an optimum annealing temperature can be achieved and surface pattern effects can be effectively reduced.

Abstract: Techniques are disclosed for an improved boresighting apparatus and related method for boresighting a light source to an imaging sensor, and for an improved material to be used in a target object in such a boresighting apparatus. For example, an apparatus for use in boresighting may include a catadioptric element and a target object, where the catadioptric element is configured to focus a laser beam from the light source and also to collimate light emitted from the target object at a different wavelength than the laser beam to be detected by the imaging sensor for indicating the location of the focused laser beam. The target object may, for example, comprises a fluorescent optical material doped with one or more optically active ions to absorb light having the wavelength of the laser beam and emit light in one or more wavebands detectable by the imaging sensors.

Abstract: The invention pertains to measuring, adjusting and/or controlling a distance between a machining head, particularly a laser machining head, and a workpiece, comprising a measurement light source, a beam splitter that splits the light of the measurement light source into a measurement light beam and a reference light beam, a reference arm, through which the reference light beam is guided, an optical system for coupling the measurement light beam into a processing beam path featuring a focusing lens, an optical device for superimposing the measurement light beam, and a measurement and evaluation unit.

Abstract: Disclosed is a method in which flat layers are produced in succession so each newly produced layer is stacked on a previously produced layer or on a flat metal support, each layer having at least one metal strip occupying the entire thickness of the corresponding layer. The production of each layer includes: deposition, during which part of the strip is pressed against the previously produced layer or the support; a fusion step carried out during the deposition step during which only a fused portion of the part is fusion-welded to the previously produced layer or to the support; and repeating the deposition and fusion steps, applying them to corresponding parts of the or each strip offset from each other along a second axis perpendicular to the first axis, such that the fused portions of two of the parts following each other along the second axis overlap.

Abstract: A three dimensional printing system includes a laser system, a beam splitter, a pinhole, a sensor, and a controller. The laser system emits a light beam of varying diameter carrying at least 100 watts of optical power along an optical path. The laser has an imaging plane along the optical path which can be coincident or close to a focal plane at which the beam has a minimum diameter. The beam splitter is positioned along the optical path to receive the beam and to transmit most of the optical power and to reflect remaining optical power. The pinhole is positioned along the optical path at the imaging plane to receive the reflected beam having a minimal diameter. The controller is configured to analyze a signal from the sensor to determine intensity and distribution parameters for the light beam.

Abstract: A laser shielding device interposed between the camera and the reflected light and is provided with a plurality of plates juxtaposed at an interval. Of the plurality of plates, an incident-side plate disposed on an incident side of the reflected light may be made larger in heat capacity compared to other plates disposed on the camera side of the incident-side plate.

Abstract: A magazine for use in a firearm includes first and second feed lips having folded portions to reinforce the strength of the respective feed lips. In some embodiments, the strength of the feed lips may be further reinforced by applying one or more welds. The feed lips are capable of withstanding greater amounts of force to avoid failure. Accordingly, the disclosed magazine and method for providing the magazine reduce the “spring back” effect present in conventional magazine feed lips. This removes the additional step of having to over-form the feed lips that is performed when forming a magazine having conventional feed lips. The result is a method for providing a magazine with folded feed lips that are capable of withstanding greater amounts of force to avoid warping, deforming, or other failure, wherein the method for forming the magazine is more accurate, more consistent, and involves fewer steps.

Abstract: A wire feed control system includes an anti-twist mechanism and a controller programmed to operate the anti-twist mechanism, responsive to a measured degree of twist of a wire on a trajectory between a feed for the wire and a plasma transfer wire arch (PTWA) torch, to maintain the degree of twist within a predetermined range defined by natural rotation introduced to the wire by the PTWA torch.

Abstract: A solder composition of the invention contains solder powders and a flux composition. The flux composition contains (A) a resin and (B) an activator. The (B) component contains (B1) an organic acid, and (B2) a pyridine compound represented by a formula (1) below. A chlorine concentration is 900 mass ppm or less, a bromine concentration is 900 mass ppm or less, an iodine concentration is 900 mass ppm or less and a total halogen concentration is 1500 mass ppm or less in the solder composition. In the formula (1), X1, X2 and X3 are the same or different, each of X1, X2 and X3 representing a hydrogen atom, a hydroxyl group, a methyl group, an ethyl group or a propyl group, and all of X1, X2 and X3 are not simultaneously hydrogen atoms.

Abstract: Internal clamping of a weld-neck fitting to a pipe in preparation for precision tack welding of the fitting to the pipe is established by a pair of alignment and clamping wedge members, each having alignment and gripping members and angulated reaction surfaces which are positioned within the pipe and weld-neck fitting with the angulated reaction surfaces in relatively moveable engagement. One of the alignment and clamping wedge members is moved linearly, causing the angulated reaction surfaces to translate the linear movement to lateral movement, forcing the alignment and gripping members laterally against the internal surfaces of the pipe and fitting and supporting the fitting in precision aligned relation with the pipe to facilitate tack welding.

Abstract: A method for producing a cutting head is specified. The latter is manufactured from a blank, which in turn is manufactured by means of extrusion. During extrusion, a number of coolant channels as well as a number of flutes are formed, wherein the coolant channels and the flutes are in each case formed helically during extrusion. After extrusion, the flutes have a pitch that is adjusted by grinding the flutes to a finished dimension. The method is particularly material-saving. A corresponding cutting head is moreover specified.

Abstract: Examples disclosed herein relate to a machining device including one or more beams attached to a surface; a platform coupled to the one or more beams; a tool support element coupled to the platform; a first movement device which may move the platform in a first direction; a second movement device which may move the platform in a second direction; and a third movement device which may move the tool support element in a third direction.

Abstract: Tapered, stepped, or non-tapered router guide templates, and optionally combined template holder system, each template comprising: a base portion, a top portion, at least one of an exterior surface interconnecting the base portion and the top portion along an outer periphery of the template and an interior surface interconnecting the base portion and the top portion along an inner periphery of the template, wherein optionally one of the exterior surface and the interior surface may be continuously tapered between the base portion and the top portion, or stepped, and wherein the base portion is adapted for removable and adjustable interconnection with the template holder system.

Abstract: A machine tool has a clamping device for clamping in workpieces to be machined, a work spindle which is movable relative to the clamping device, a tool magazine wherein tools for machining the workpieces are held available, the tools being selectively clamped into the work spindle, and a spindle gripper to be selectively clamped into the work spindle and being self-holding in its gripping position, said spindle gripper being held available in the tool magazine and being movable between a transfer position to the work spindle and an unloading station in which the spindle gripper releases a work piece remnant received from the clamping device.

Abstract: To provide a telescopic cover having a structure in which a stopper is easy to be exchanged, and a machine tool. A telescopic cover of a machine tool is formed to be freely expandable and contractible in a predetermined direction. A first cover piece and a second cover piece have a pair of receiving side stoppers that project outward in both ends of side surfaces along a predetermined direction, and slits formed along the predetermined direction in between the pair of receiving side stoppers, as receiving side cover pieces. The second cover piece and the third cover piece have nesting side stoppers that are inserted into the slits by projecting outward in the side surfaces along the predetermined direction, and move between the pair of receiving side stoppers as nesting side cover pieces.

Abstract: A method of grinding a pair of matching rolls in which the position of a grinding wheel relative to the rolls is computer controlled, and the surface profile of a roll is continuously measured and input to the computer comprising modifying the desired profile of the second roll of the matched pair adjusted by the residual shape error profile of the first roll to establish a uniform gap between the pair of rolls; and grinding the second roll to bring the profile of the second roll within acceptable tolerance based on the modified desirable profile.

Abstract: The invention relates to a brush grinding head (1) for a grinding machine (2), comprising an essentially roller-shaped carrier (3) and grinding lamellae (4), wherein the grinding lamellae (4) are arranged peripherally on the carrier (3) and are composed at least of, in particular bundled brushes (5) and an essentially strip-shaped grinding element (6) which is arranged adjacent thereto. The grinding element (6) comprises at least one abrasive layer (7) and an abrasive-free layer (8) which can be compressed while retaining its shape and is designed in such a way that a grinding fluid (27), in particular water, can be stored in it.

Abstract: An arrangement arranged to enclose a circuit board comprising electronic components is described. The arrangement comprises a structure designed to receive the circuit board and the electronic components, a housing designed to receive the structure, a cover designed to be connected to the housing, and an electric socket adapted to provide the circuit board with electricity. The electric socket is comprised in at least one of the housing or the cover. The arrangement is arranged to enclose the circuit board by the housing and the cover, wherein the structure is designed to be releasable and at least partly bear against the circuit board and the electronic components. A tool comprising an arrangement is also described.

Abstract: To provide a polishing composition capable of realizing a polished surface having smoothness and few defects. A polishing composition contains a water-soluble polymer satisfying the following two conditions (A) and (B): Condition (A): in a first standard solution which contains silica having an average primary particle size of 35 nm, the water-soluble polymer, ammonia, and water and in which the concentration of the silica is 0.48% by mass, the concentration of the water-soluble polymer is 0.0125% by mass, and the pH is 10.0, the adsorption ratio which is a ratio of the amount of the water-soluble polymer adsorbed to the silica to the total amount of the water-soluble polymer contained in the first standard solution is 10% or more; and Condition (B): in a second standard solution which contains silica having an average primary particle size of 35 nm, the water-soluble polymer, ammonia, and water and in which the concentration of the silica is 0.48% by mass, the concentration of the water-soluble polymer is 0.

Abstract: A dust collector for an angle grinder, comprising a collector body for covering a circular grinding wheel, and a sealing element extending along an outer periphery (U) of the collector body for at least partially sealing the collector body against a surface to be machined by means of the grinding wheel, and comprising a suction connection, by way of which material removed from the surface can be suction out of the collector body. In an axial direction with respect to the axis of rotation (R) of the grinding wheel, the sealing element is spring-mounted in the collector body by means of at least one spring element.

Abstract: An abrasive disc for use with a sanding tool having a plurality of dust collection holes includes a hole pattern consisting of six openings arranged for substantial alignment with the dust collection holes provided in the sanding tool.

Abstract: Provided are abrasive articles that include a plurality of layers, in the following order: a backing; an abrasive layer; and a supersize coat. The supersize coat contains a metal salt of a long-chain fatty acid and clay particles dispersed therein. Advantageously, the clay particles enhance the optical clarity of the supersize coat, allowing printed abrasive articles to be made with thicker supersize coatings. The addition of clay was also found to improve cut performance of the abrasive article relative to articles in which the clay particles are absent.

Abstract: Provided are: an electroplated tool; a screw-shaped grindstone for grinding a gear; a method for manufacturing the electroplated tool; and a method for manufacturing the crew-shaped grindstone for grinding a gear. Said tool having a parent material, a plating layer that has a high-level portion and a low-level portion formed as strips on the parent material at different heights along the direction intersecting the processing direction, and electrodeposited abrasive grains exposed from the surface of the plating layer. The difference in height of the plating layer is preferably 50-100% of the average particle diameter of the abrasive grains, the width of the high-level portion of the plating layer is preferably 150-200% of the average particle diameter of the abrasive grains, and the width of the low-level portion of the plating layer is preferably 100-800% of the average particle diameter of the abrasive grains.

Abstract: The device (1) for the locking of pieces on machine tools comprises:—a base body (2, 3, 4) fixable to a machine tool (M);—a gripping assembly (5, 6, 7) for gripping a piece (P) to be machined having a cavity (C) with a cavity axis (A1), the gripping assembly (5, 6, 7) comprising:—a main head (5) having a main axis (A3) and associated with the base body (2, 3, 4) with a lateral play adapted to allow the shift of the main head (5) along a plane of alignment (B) substantially orthogonal to the main axis (A3);—at least two self-centering locking elements (6) associated with the main head (5) in a movable way; and—movement means (7) of the self-centering locking elements (6);—removable locking means (18) adapted to temporarily lock the main head (5).

Abstract: A jig for grasping a workpiece includes a first grasping member, a second grasping member, and a sliding assembly. The first grasping member includes a first holding portion and a second holding portion for holding opposite sides of a workpiece along a first direction. The second grasping member includes a first clamping portion and a second clamping portion for clamping or releasing opposite sides of the workpiece along a second direction. The sliding assembly is configured to slidably couple the first grasping member to the second grasping member.

Abstract: A puller including a plurality of pivoted lever members carrying gripper members for securely gripping a mat, pad, carpet or the like for ease in sliding movement and placement thereof. An adjustable handle including a pair of hollow shafts which receive therein slidable shafts each carrying a spring loaded button which can be positioned in a series of openings in the hollow shafts for adjusting the length of the handle so the user can work from a standing position.

Abstract: A vacuum adsorbing workbench and a vacuum adsorbing device are provided. The vacuum adsorbing workbench includes a workbench body, a first suction tube and an occluder. The workbench body is provided with multiple suction holes. Each suction hole is in communication with the first suction tube. The occluder is able to be connected with the first suction tube cooperatively to cut off communication between each suction hole and the first suction tube.

Abstract: A tension lever includes an outer body including a top, a bottom, and a plurality of outer body sides including a first outer body side and a second outer body side opposite to and facing the first outer body side, the first outer body side having a substantially planar surface extending along a first direction and a second direction crossing the first direction, an upper first opening defined in the top and defining an upper inner body that extends along the second direction, a lower first opening defined in the bottom and defining a lower inner body that extends along the second direction, a second opening defined in the first outer body side and the second outer body side, the second opening defining a channel that extends along a third direction crossing the second direction, and a barbell including a shaft and a pair of beads at opposing ends of the shaft, the barbell being received in the second opening.

Abstract: The ratchet (1) is designed such that the flexible clutch ring (500) forms the mid part of an extremely strong laminate like housing (200) structure, under torque conditions the resultant compression forces applied to the clutch ring (500) are substantially dissipated around its circumference (507) and inner surface (508), this inward force clamping upon the inherently strong drive outer surface (405). The resultant pseudo laminate like construction of the drive (400), clutch (500) and housing (201, 202) enables a proportionately far stronger reduced width ratchet (1).

Abstract: A locking clutch ratchet wrench (1) is configured such that a clutch ring (500) forms the mid part of aminate like structure. Under torque applying conditions, the compression forces applied to the clutch ring (500) are substantially dissipated around the circumference (507) of the clutch ring. This inwardly directed force clamp against the inherently strong outer surface (405) of the drive element (400). The resultant pseudo laminate structure of the drive element (400), clutch (500) and housing (201, 202) enables the construction of a proportionately stronger ratchet wrench of reduced height or width.

Abstract: An apparatus including a threaded member having a head, a shaft extending away from the head, threads disposed on at least a portion of the shaft, and a tip opposite the head. The head, tip, shaft, and threads are sized to pass through a hole in a structure such that the threaded member may be inserted into the structure. The apparatus further includes a tool for mounting to the threaded member that extends out of out the hole when the threaded member is located within the structure. The tool includes a connector that mounts to the tip of the threaded member and a flexible member that extends away from the connector and out of the hole when the threaded member is located within the structure.

Abstract: A wrench includes a body having a room defined therein. Two heads are respectively formed on two ends of the body, and each head has an operation hole defined therethrough. Each of the operation holes communicates with the room. A positioning rod is movably received in the room and has an outer threaded portion and a rotary member is rotatably and threadedly mounted to the outer threaded portion of the positioning rod. The rotary member is rotated to move the positioning rod into either one of the operation holes to position an object in the operation hole.