Abstract: A cutting tool includes a main body suitable to be mounted pivotably about an axis of rotation. A cutting head is carried by a carrying member. The carrying member is mounted displaceably in translation on the main body along an axis perpendicular to the axis of rotation. A counterweight is displaceably mounted in translation on the main body along an axis perpendicular to the axis of rotation. The cutting tool also includes an adjusting spindle for the simultaneous adjustment of the carrying member with respect to the counterweight, arranged on either side of the axis of rotation of the main body.

Abstract: Hydraulic expansion chuck with a basic body, with an expansion bush which is received in the basic body and defines a reception space for a tool to be clamped, and with a pressure chamber which is delimited between the expansion bush and the basic body. A securing pin which extends through the basic body and the expansion bush into the reception space. Also broadly contemplated herein is a method for producing a hydraulic expansion chuck via: providing a basic body with a blind hole, into which an internal thread is cut. An expansion bush is then soldered into the basic body. Finally, an orifice is made at the bottom of the blind hole and extends through the material of the expansion bush into a tool reception space which is delimited in the expansion bush.

Abstract: An oscillating power tool having a motor, a base flange driven about an output axis by the motor, and an accessory shaft movable relative to the base flange between a clamping position and a release position. A clamping flange is pivotably coupled to the accessory shaft for clamping an accessory in cooperation with the base flange.

Abstract: A spindle assembly for machining a cast workpiece includes a fixture that provides rotational movement to the workpiece around a fixture axis. A first spindle provides rotational movement to a cutting tool around a first spindle axis and a second spindle provides rotational movement to a second cutting tool around a second spindle axis. The first spindle axis and the second spindle axis are transverse to the fixture axis. The fixture is disposed between the first spindle and the second spindle. The pivotal movement of the fixture provides access to opposite sides of the workpiece to the first spindle and the second spindle enabling the cutting tools to simultaneously cut opposing sides of the workpiece. The first cutting tool and the second cutting tool are replaceable by a third cutting tool and a fourth cutting tool to cut an alternative or different aperture into the workpiece.

Abstract: A step drill bit has a cutting head defining a longitudinal axis and having a plurality of steps having different effective diameters. First and second cutting edges are formed in the cutting head. The first cutting edge and the second cutting edge are arranged such that the bit is asymmetric in a plane perpendicular to the longitudinal axis relative to a plane containing the longitudinal axis. A rubbing surface is formed on each step where the rubbing surface extends to approximately the effective diameter of that step such that the first cutting edge, second cutting edge and the rubbing surface forms three points of contact with the side wall of the hole being cut.

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: A method of machining a workpiece is provided that is capable of forming a fresh air inlet in an arbitrary position in an outer shell of a container. According to the present invention, a method of machining a workpiece is provided that includes: machining to form a round hole in a workpiece using a boring drill having a tubular end portion, the end portion provided with a flat surface and a notch, and having a blade on a side of the notch, by pressing the flat surface against the workpiece while rotating the drill to contact the blade with the workpiece.

Abstract: A machine tool includes a frame with two opposite frame sections, a number of leg elements arranged on the frame, and a first carriage having a first linear axis. The first carriage is guided on the two opposite sections of the frame and is displaceable in a first direction. A second carriage of a second linear axis is guided on the first carriage and is displaceable in a second direction A tower element has a third linear axis, which is retained on the second carriage. A machining element is retained on the tower element and is displaceable in a third direction, and a tool spindle is arranged on the machining element for receiving a tool.

Abstract: According to various embodiments, a workpiece planarization arrangement may include: a chuck including a support carrier; and a workpiece-support replaceably mounted on the support carrier; and a planarization tool configured to planarize the at least one portion of the workpiece-support and to planarize one or more workpieces on the at least one portion of the workpiece-support.

Abstract: A combination cutting and burnishing orbital drilling tool may include an elongate tool body including a cutting end and extending along a longitudinal axis. The tool body may include a burnishing portion spaced from the cutting end and configured to induce residual stress in a side wall of a hole without removing material. The tool body may further include a cutting portion interposed between the cutting end and the burnishing portion. The cutting portion may be configured to remove material from a workpiece, thereby creating the hole, during an orbital drilling process.

Abstract: Provided are a cutting insert and a tool holder on which the cutting insert is provided. The cutting insert includes a circular upper surface, a circular lower surface, a cylindrical lateral surface for connecting the upper surface and the lower surface, an upper cutting edge formed between the upper surface and the lateral surface, a lower cutting edge formed between the lower surface and the lateral surface, and a plurality of rotation-preventing parts provided at the lateral surface so as to prevent the cutting insert from rotating with respect to the tool holder. Each rotation preventing part includes an inner curved surface recessed toward the center of the lateral surface and convexly rounded so as to form concentric circles in conjunction with the lateral surface, and a stepped rotation-preventing surface parallel to the axial direction of the insert and connecting the inner curved surface and the lateral surface.

Abstract: Disclosed is an orbital cutting apparatus that is capable of freely and selectively controlling forward and backward movement of a plurality of cutting tools, allowing the cutting tools to move forward and backward and to move in an axial direction of a material to be cut so as to enable processing of various shapes as well as cutting and chamfering, and is capable of simultaneously carrying out cutting and chamfering operations for a pipe material or a heavy pipe having a thickness of dozens of mm or more.

Abstract: A sample cutting assembly includes a base block, a saw pressure plate, an external blade guide, and an internal blade guide. The cutter can be used to conveniently remove samples for Material testing to determine serviceability or material condition. Apparatuses and techniques for using the sample cutting assembly are also disclosed.

Abstract: Disclosed is a chainsaw capable of making it less likely that vibrations due to driving of an electric motor and a endless movement of a saw chain are transmitted to a worker, thereby enabling the worker to become less likely to be fatigued even in work using the chainsaw. The chainsaw includes an electric motor provided inside a body casing; a guide bar provided in a front portion of the body casing in such a manner as to protrude forwardly; a saw chain provided around an outer periphery of the guide bar in an endlessly movable manner, and configured to be endlessly moved along the outer periphery of the guide bar under driving of the electric motor; a handle section provided with respect to the body casing, and configured to be gripped by a worker; and an anti-vibration member interposed between the body casing and the handle section.

Abstract: An object is to provide a gear edge cut-off tool and a gear edge cut-off device capable of suppressing variation in the amount to cut off side edges of a gear. A gear edge cut-off tool of the present invention has a shape, in a first main plane (rake face) of a first cutting blade portion capable of cutting off a side edge of a gear wheel, that is curved or bent in a concave shape in an edge line direction.

Abstract: An electrical discharge machining electrode wire includes a core including a copper or a copper alloy, and a covering layer covering a periphery of the core and including a zinc. The covering layer includes an inner layer including a ?-phase of copper-zinc based alloy and covering the periphery of the core, and an outer layer including an ?-phase of copper-zinc based alloy and covering a periphery of the inner layer. An x-ray diffraction intensity of (0001) of the ?-phase is more than twice an x-ray diffraction intensity of (332) of the ?-phase.

Abstract: A grip unit including holding units in each of which an upper plate is placed on a lower plate to form a V-shaped groove, a grip unit control device that can change a distance between the holding unit in a range between a distance equal to or longer than a diameter of an electrode holder with an electrode feeding mechanism and a distance equal to a diameter of an electrode, a grip unit control device moving-shaft motor that can change a height of the grip unit in a range between a height at which the holding unit are placed lower than an electrode holder brim of an electrode holder having an electrode feeding mechanism attached to an electric holder gripping device and a height to which the holding units lift up the electrode holder brim of the electrode holder having an electrode feeding mechanism attached to the electric holder gripping device, and an electrode gripping device that can grip the electrode on a lower side of the grip unit are included.

Abstract: A method for checking a geometry of an electric discharge machining electrode is described. The method comprises the following steps: providing a file containing a native 3D-model of the electric discharge machining electrode; providing a manufactured electric discharge machining electrode based on the native 3D-model; light scanning a set of images of the manufactured electric discharge machining electrode in different positions and generating therewith a scanned 3D-model of the manufactured electric discharge machining electrode; comparing the native 3D-model and the scanned 3D-model and generating electrode compensation coordinates for an electric discharge machining apparatus, to correct an electrode path during electric discharge machining.

Abstract: A method for the joining of ceramic pieces with a hermetically sealed joint comprising brazing a layer of joining material between the two pieces. The wetting and flow of the joining material is controlled by the selection of the joining material, the joining temperature, the joining atmosphere, and other factors. The ceramic pieces may be aluminum nitride and the pieces may be brazed with an aluminum alloy under controlled atmosphere. The joint material is adapted to later withstand both the environments within a process chamber during substrate processing, and the oxygenated atmosphere which may be seen within the shaft of a heater or electrostatic chuck.

Abstract: A method includes disposing a braze material between a first body and a second body. The braze material includes a first composition and a second composition. The second composition has a melting point higher than the first composition. The braze material may be heated to a brazing temperature between the melting points of the first and second materials and maintaining the braze material at the brazing temperature for a period of time to transform a transient liquid phase to a solid phase, forming a bond between the first body and the second body. A braze material for securing solid bodies includes a first composition and a second composition. The first composition includes at least one element selected from the group consisting of indium, tin, zinc, and magnesium. An earth-boring tool includes a first body, a second body, and a braze material bonding the second body to the first body.

Abstract: In a lead-free solder bump, diffusion of Cu from intermetallic compound layers, which are respectively formed at joining interfaces with Cu electrodes is suppressed, so that the in metallic compound layers are not likely to disappear. Correspondingly, with the use of the intermetallic compound layers, Cu is not likely to diffuse from the Cu electrodes into the lead-free solder bump. Even when an electric current flows continuously between a first electronic member and a second electronic member through the lead-free solder bump, the occurrences of the electromigration phemenon and the thermomigration phenomenon are suppressed. Thus, the present invention provides a lead-free solder bump joining structure capable of suppressing the disconnection failure caused by the synergistic effect of the electromigration phenomenon and the thermomigration phenomenon.

Abstract: A system for detecting welding and cutting parameters is provided. One embodiment of the system includes an input terminal configured to receive signals corresponding to welding or cutting parameters from a first welding or cutting device. None of the signals carry welding power. The system also includes an output terminal configured to provide the signals to a second welding or cutting device. The system includes conductors coupled between the input terminal and the output terminal and configured to carry the signals between the input terminal and the output terminal. The system also includes control circuitry configured to detect the welding or cutting parameters from the signals.

Abstract: An arc welding system includes a welding power supply having a switching type power converter. A welding electrode is connected to the switching type power converter to receive electrical energy therefrom and produce an electric arc. A variable-frequency auxiliary power supply supplies electrical energy to an auxiliary load through an auxiliary power output of the arc welding system. An engine-generator is connected to the welding power supply and the variable-frequency auxiliary power supply, to supply electrical energy to the welding power supply to produce the arc, and to supply further electrical energy to the variable-frequency auxiliary power supply. A controller is operatively connected to the variable-frequency auxiliary power supply and is configured to control an output voltage frequency of the variable-frequency auxiliary power supply according to an auxiliary power supply frequency setting.

Abstract: A handheld stud/washer welder that includes a welder head having one or more of the capabilities of grounding, adjusting pressure on the welder head, and direct pulling after welding. An exemplary embodiment includes a welder body and a welder head located in front of the welder body that is electrically conductive and flexibly movable and configured to allow a user to change pressure between the welder head and the subject to be welded.

Abstract: The invention relates to a method of assembling two sheet metal elements (1, 1?), involving applying a bead of adhesive to a first element, assembling the second sheet metal element on the first and securing it by spot welds to hold the two sheet metal elements stationary before curing the adhesive. The invention consists in the fact that the bead of adhesive is applied discontinuously to the first sheet metal element (1) along an adhesive line and then, once the second sheet metal element (1?) has been pressed against the first, the two elements (1, 1?) are held fixed together by creating spot welds on sections of the discontinuous adhesive line that are devoid of adhesive.

Abstract: A friction stir welding tool includes: a first face which is rotated about an axis relative to a joined portion in a state in which the first face comes into contact with the joined portion of a workpiece and in which an arithmetic mean roughness Ra value is greater than or equal to 0.8 ?m and less than or equal to 25 ?m; and a second face which is formed to continue to the first face, which is rotated about the axis relative to the joined portion in a state in which the second face comes into contact with the joined portion, and in which an arithmetic mean roughness Ra value is smaller than that of the first face.

Abstract: A laser welding apparatus includes a laser head for irradiating laser beams transferred through a plurality of transferring optical fibers to a processing target connected thereto via a connector, wherein the laser head includes an optical fiber block having an accommodating space for accommodating the plurality of transferring optical fibers to be arranged along a first direction, and an optical system disposed in front of the optical fiber block and irradiating the laser beams transferred through the plurality of transferring optical fibers to the processing target.

Abstract: A method and an apparatus for joining two workpieces by means of a processing beam by forming a weld seam along a lap joint, wherein a gap formed at the lap joint between the two workpieces is filled during welding. The processing beam performs a spatial oscillatory movement parallel and/or perpendicular to the joint during welding. The oscillation parameters of said oscillation, the feed rate, the power of the processing beam and the angle of incidence of the processing beam onto the surfaces of the workpieces are adjusted dynamically during the welding process such that the upper sheet is fused in line with demand and the melt flows from the upper sheet down to the lower sheet thus closing the gap. The gap height is measured permanently during welding and the process parameters are adjusted such that a reliable closing of the gap is made possible.

Abstract: A light irradiation apparatus includes a light source, a dispersive element, a spatial light modulator, and a focusing element. The dispersive element disperses pulsed light output from the light source and outputs the light. The dispersive element includes, for example. The spatial light modulator modulates a phase spectrum or an intensity spectrum of the light output from the dispersive element and outputs the light. The focusing element receives the light output from the spatial light modulator in a dispersing state, and focuses the light on a common region (focusing region) in a surface or an inside of an object.

Abstract: An optical system for shaping a laser beam includes a beam shaping element configured to receive the laser beam having a transverse input intensity profile and to impose a beam shaping phase distribution onto the laser beam. The optical system further includes a near field optical element, arranged downstream of the beam shaping element at a beam shaping distance and is configured to focus the laser beam into the focus zone. The imposed phase distribution results in a virtual optical image of the elongated focus zone located before the beam shaping element. The beam shaping distance corresponds to a propagation length of the laser beam within which the imposed phase distribution transforms the transverse input intensity profile into a transverse output intensity profile at the near field optical element.

Abstract: A laser cutting system wherein a conveyor system indexes sheet material through various processing stations, the processing stations operating simultaneously during the time period when the conveyor is stopped and wherein the conveyor system is in the form of an endless belt.

Abstract: A powder convergence improves without varying the flow velocity and powder density of a powder flow. A processing nozzle includes an inner cone including a beam path that passes light from a light source, an outer cone arranged outside the inner cone, a fluid ejection channel formed by a gap between the inner cone and the outer cone, and including an ejection port that opens toward a process surface, and a fluid guide channel having a flow inlet for a fluid. The fluid guide channel guides the fluid toward the fluid ejection channel in a direction away from the beam path.

Abstract: Ejection and stop of a powder flow are switched while maintaining a once generated steady flow without stopping it. A processing nozzle includes a supply source of a fluid containing a powder, a first channel through which the fluid supplied from the supply source passes, a second channel that supplies the fluid to an ejection port of the nozzle, a third channel that releases the fluid outside the nozzle, and a switch that causes the first channel and the second channel to communicate with each other when supplying the fluid to the ejection port, and causes the first channel and the third channel to communicate with each other when not supplying the fluid to the ejection port.

Abstract: Embodiments are directed to a method for processing a film, which includes: (A) a step wherein protective films are temporarily bonded to both surfaces of a film that is a material to be processed, thereby obtaining a film to be processed to both surfaces of which the protective films are bonded; and (B) a step wherein the film to be processed to both surfaces of which the protective films are bonded is cut using a laser having a wavelength at which the protective films have an absorbance of 50% or more.

Abstract: Irradiation with a laser beam is started at a welding start position of two members that are stacked together, and the output of the laser beam is set so that spatter is not generated. After the start of the irradiation, the output of the laser beam is gradually increased so that a penetration depth from an irradiated edge to a deeper location between abutting surfaces of the two members falls within a predetermined penetration depth range while the laser beam is not moved. After the output of the laser beam is gradually increased, the laser beam is moved toward a welding end position so that the penetration depth is maintained within the penetration depth range.

Abstract: Metallic nanorods are welded together in a controllable fashion. A suspension of metallic nanorods coated with an anionic polymer is contracted with linking molecules each comprising a liquid crystal with at least two available carboxylic acid moieties. The nanoparticles to self-assemble into dimers. Irradiation of the dimers with femtosecond radiation forms a metallic junction between them and welds the dimers into fused dimers.

Abstract: An iron-based braze filler alloy consists of from 9 wt % to 30 wt % Cr; from 5 wt % to 25 wt % Ni; from 0.5 wt % to 9 wt % Mo; from 1 wt % to 5 wt % Mn; from 0 wt % to 1 wt % N; from 6 wt % to 20 wt % Si; from 0.1 wt % to 15 wt % P; and is balanced with Fe.

Abstract: The present invention relates to organic acid- or latent organic acid-functionalized polymer-coated metal powders, such as metal powders used as appropriate in the formation of solder alloys, spheres and pastes.

Abstract: Method and system for thermal treatment by heat induction of a metal piece on a targeted zone. According to the method, the thermal treatment is carried out using a thermal element mounted on a robotic system for moving the thermal element along a cyclical trajectory on the targeted zone so as to heat the target zone and minimize the temperature deviations over the targeted zone.

Abstract: The present invention relates to a method for producing and/or repairing wear-stressed recesses or openings on components (22) of a turbomachine, especially of elements of a flow passage boundary, and also to corresponding components, wherein the method comprises: producing an at least two-layer molded repair part (15), one layer (2) of which is formed by an Ni-solder and a further layer (3) of which is formed from a mixture of an Ni-solder (4) and hard material particles (5) of hard alloys on a base of cobalt or nickel and which at least partially has an outer shape which is complementary to the inner shape of the recess (20) or opening which is to be repaired, inserting the molded repair part (15) into the recess (20) or opening and at least partially heat-treating the component (22) for soldering the molded repair part (15) onto the component.

Abstract: The invention relates to a device for machining a planar workpiece, having a machine stand which has a support surface (application surface) for a planar workpiece, and further having a machining head which can be moved relative to the support surface, which machining head has a tool for machining the workpiece and also has a holding unit (“hold-down unit”) with a pressure plate whereby the workpiece is pressed against the supporting surface; characterized in that the pressure plate has a structure which is comprised of a plurality of pieces, preferably two pieces, wherein at least one of the pressure plate parts is movable back and forth relative to at least one other pressure plate part, namely it is movable between the application position, in which the pressure plate part presses the workpiece against the application surface when the workpiece is applied to said application surface, and a released position, in which the pressure plate piece is at a minimum distance away from the workpiece when the workpie

Abstract: A tilt device includes: a drive motor that provides a drive force for swinging a tilt member; an auxiliary cylinder coupled to the tilt member to assist swing of the tilt member by the drive motor; and a control device that performs drive control of the drive motor and the auxiliary cylinder. In the movable range of the tilt member, a moment about the swing axis generated in the tilt member by the gravitational force is always directed to only one side in the rotational direction, and an assistive moment about the swing axis provided to the tilt member by a cylinder pressure is always directed to only the other side in the rotational direction. The control device fluctuates the cylinder pressure such that the assistive moment is less than the moment generated in the tilt member by the gravitational force.

Abstract: In order to provide a tool changer that can detect an entry of a foreign substance into a turret mechanism portion or wear of a turret mechanism part, a tool changer of the present invention includes a reference phase false detection sensing portion that monitors load variations which occur in a turret drive source and detects an entry of a foreign substance into the turret mechanism portion based on a difference between the load variations and a reference load used as a reference. Moreover, the reference phase false detection sensing portion can also detect the progress of wear of the turret mechanism part based on the integral of the absolute value of a difference between the load variations which occur in the turret drive source and the reference load used as a reference.

Abstract: A machine tool includes a cover body for separating at least a machining area from the outside. The cover body has an opening for allowing the machining area to communicate with the outside and includes a door for opening and closing the opening. The cover body does not include a transparent window for allowing the machining area to be visually checked from the outside. The cover body can be formed to be of a sufficient strength throughout and, if an unexpected accident occurs, structures within the machining area can be reliably prevented from being shot out of the machining area.

Abstract: A skate blade sharpening system retains a skate blade in a sharpening position whose centerline has a first location relative to a first visual reference feature. A motor-driven rotating shaft has a wheel-mounting location for mounting a grinding wheel for sharpening operation. The shaft accepts an alignment wheel at the wheel-mounting location during an alignment, the alignment wheel having a second visual reference feature having a second location relative to a centerline of the grinding wheel when occupying the wheel-mounting location. An adjustment mechanism moves the shaft transversely during alignment to vary relative position between the wheel-mounting location and the sharpening position including an aligned position in which the centerline of the grinding wheel is aligned with the centerline of the sharpening position, the aligned position being indicated by alignment of the first visual reference feature with the second visual reference feature during alignment.

Abstract: The invention relates to a processing section 1 and an adapter system 10 of a floor-processing machine. The processing section 1 comprises a base body 2 with a processing side 3 and a mounting side, wherein the mounting side is arranged on the opposite side of the processing side 3 of the base body 2. The mounting side comprises at least one first mounting element for detachably fastening the processing section to the adapter system. The processing side 3 is formed as a closed processing surface 5. The adapter system 10 has a receiving side 11 which comprises at least one receptacle 12. The receptacle 12 comprises at least one second mounting element for detachably fastening the processing section 1 in the receptacle 12. Finally, the invention relates to a floor-processing machine and a tool.

Abstract: The present disclosure relates to a metal finishing tool comprising a tool body having a handle section, a motor housing, and an L-shaped support arm that extends laterally from the motor housing to an elbow and longitudinally from the elbow to an arm end. The metal finishing tool further includes a motor and a drive train located within the tool body that are operatively coupled to drive a spindle and rotatable drum, which are coupled to the support arm. The spindle extends from a spindle base proximate to the arm end of the support arm to a spindle end that is free, and the spindle's axis intersects the motor axis of the tool body. The spindle and drum are balanced across the motor axis of the tool, thereby minimizing any torque load exerted by the rotating drum when the tool is in use.

Abstract: A surface treatment method for metal parts includes a polishing step of supplying and discharging a cleaning liquid into and from a barrel tub while mass including a metal part and a medium is caused to flow in the barrel tub, so that a surface of the metal part is polished. The polishing step is carried out at least once. The polishing step includes a final finish polishing process in which a final finish medium which is free from abrasive grain or which consists of a synthetic resin base material and is free from abrasive grain or which is made by binding abrasive grain of not more than 10 wt % and a synthetic resin binding material together and is free from alumina is used as the medium.

Abstract: An end-point detection sensor 50 detects an end point of polishing, the end-point detection sensor 50 being arranged in a polishing table 100. The end-point detection sensor 50 has a pot core. The pot core 60 has a bottom portion 61a, a magnetic core base portion 61b and a peripheral wall base portion 61c. The end-point detection sensor 50 has an exciting coil 62, and a detection coil 63. The back surface 101b of the polishing pad 101 has a space 30 which is arranged at a portion facing the polishing table 100 and houses a magnetic core extension portion 8 and a peripheral wall extension portion 11. The magnetic core extension portion 8 and the peripheral wall extension portion 11 extending to the space 30 are located in the space 30.

Abstract: One object is to provide a polishing machine and a polishing method capable of improving a processing accuracy on the surface of an object. A method of polishing an object is provided. Such a method comprises: a first step of polishing an object by moving the object and a first polishing pad having a smaller dimension than that of the object relative to each other while the first polishing pad is made to contact the object, a second step of polishing the object, after the first step of polishing, by moving the object and a second polishing pad having a larger dimension than that of the object relative to each other while the second polishing pad is made to contact the object, and a step of detecting the state of the surface of the object before the first step of polishing.