Abstract: The fatigue strength of a lap-welded joint, wherein an overlapping portion of a first steel material and an overlapping portion of a second steel material overlap with each other, and an edge portion of the first steel material is welded to a front face of the second steel material with a weld zone extending along the edge portion, is improved. First, when a direction perpendicular to an extending direction X of the weld zone and parallel to a front face of the second steel material is defined as a reference direction Y, the lap-welded joint is restrained from moving in the reference direction Y, and the first steel material and the second steel material are restrained from moving in their sheet-thickness directions. In this state, a portion of the second steel material is heated such that a melted portion is formed in the portion of the second steel material.

Abstract: A soldering process method includes the following steps. A temperature profile of generating a solder structure is measured. A final product of the solder structure is tested and recorded. A machine learning method is used to repeatedly compare and analyze a relationship between a plurality of the temperature profiles of the solder structure and a corresponding final product of the solder structure so as to find an optimal temperature profile model in accordance with quality control requirements.

Abstract: A brazing sheet is provided for use in brazing performed in an inert gas atmosphere both using flux and without using flux. The brazing sheet includes an aluminum-based core, an intermediate material layered on the core and being composed of an aluminum alloy that contains Mg: 0.40-3.0 mass %, and a filler metal layered on the intermediate material and being composed of an aluminum alloy that contains Si: 6.0-13.0 mass % and Mg: less than 0.050 mass %. The brazing sheet satisfies the formula below where M [mass %] is the Mg content in the intermediate material, ti [?m] is the thickness of the intermediate material, and tf [?m] is the thickness of the filler metal: tf?10.15×ln(M×ti)+3.7.

Abstract: The present invention provides an alloy for overlay welding with which an alumina barrier layer containing an Al oxide can be formed on a projection that is overlay welded on an inner surface of a reaction tube, and a reaction tube having a projection that is overlay welded on the inner surface as a stirring member. An alloy for overlay welding according to the present invention is an alloy for overlay welding that is to be used in overlay welding, and the alloy contains C in an amount of 0.2 mass % to 0.6 mass %, Si in an amount of more than 0 mass % to 1.0 mass %, Mn in an amount of more than 0 mass % to 0.6 mass % or less, Cr in an amount of 25 mass % to 35 mass %, Ni in an amount of 35 mass % to 50 mass %, Nb in an amount of 0.5 mass % to 2.0 mass %, Al in an amount of 3.0 mass % to 6.0 mass %, Y in an amount of 0.005 mass % to 0.05 mass %, and Fe and inevitable impurities as a remaining portion.

Abstract: A scrap cutting apparatus including an enclosure comprising two open sides, two closed sides, an open bottom, and a closed top, wherein at least one opening is provided in at least one of closed sides, at least one torch extending through the at least one opening, and a rail system comprising two parallel rails, wherein the enclosure is adapted to move along the rail system. Also, a method of cutting metal scrap including positioning a plurality of pieces of scrap material between the rails of the scrap cutting apparatus described above, moving the enclosure over a first piece of scrap material, making at least one cut in the first piece of scrap material using the at least one torch, moving the enclosure along the rail system and over a second piece of scrap material, and making at least one cut in the second piece of scrap material using the torch.

Abstract: A blank assembly for a housing, a housing, a manufacturing method for a housing and a terminal are provided. The blank assembly includes: a first blank having an inner wall defining a through slit along a thickness direction of the first blank, the slit having a width ranges from 0.3 to 0.5; a second blank having a part extending into the slit, the part having an outer surface spaced apart from the inner wall, a maximum depth of the second blank extending into the slit being less than a thickness of the first blank; and a filling layer filled in the slit.

Abstract: A twin clamp, comprising two receptacles (61, 62), each of which has two movable clamping jaws (611, 612, 621, 622) and by means of each of which an elongate profile segment (71, 72) having a circular cross-section can be clamped in the contact section, each elongate profile segment having a centre axis (D71, D72) and an outside diameter, wherein two clamping jaws (611, 612, 621, 622) of different receptacles (61, 62) are coupled to one another via a respective differential gearing (41, 42) and two clamping jaws (611, 612, 621, 622) of the same receptacle (61, 62) are coupled to one another via a synchronous gearing (51, 52) and the position of the centre axes (D71, D72) of the clamped elongate profile segments (71, 72) is independent of the size of the outside diameters of the elongate profile segments (71, 72).

Abstract: A tool changer includes a holding member having a tool change arm disposed thereon, a rotation mechanism rotating the holding member at a first rotation speed in normal and reverse directions, a forward/backward movement mechanism moving the holding member forward and backward at a first forward/backward movement speed, and a controller comparing a first difference as a difference between a command value for the rotation and an output value of an encoder with a first threshold. When the first difference is equal to or greater than the first threshold, a rotational speed of the holding member is chained to a second rotation speed slower than the first rotation speed. Alternatively, when the first difference is less than the first threshold, the rotational speed of the holding member is maintained at the first rotation speed.

Abstract: The present disclosure is directed toward a workpiece alignment system that includes a fixture configured to receive a workpiece, and multiple sensors disposed at different locations along the fixture. Each of the sensors is configured to detect a force applied to the sensor and to output a signal indicative of the force applied. Based on the signal, the system determined whether a workpiece is aligned on the fixture.

Abstract: A mobile loading and/or unloading device with at least one transport unit for moving the loading and/or unloading device, with at least one storage unit fixed to the transport unit, on which at least one gripping object can be arranged or is arranged and with at least one on-the-transport-unit fixed manipulator unit. The manipulator unit includes at least one manipulator, which includes at least one gripping means for gripping the at least one gripping object through which the at least one gripping object can be arranged and/or removed in a processing station, such as a machine tool, and/or can be arranged in or on and/or removed from the storage unit. The storage unit includes at least one holding device by which the at least one gripping object can be fixed.

Abstract: A dust collector for electric power tool includes a casing, a ring-shaped suction opening, a dust collecting route, and a filter. The suction opening protrudes forward from the casing. The tool bit of the electric power tool is insertable into the suction opening in a state where the suction opening is brought into contact with a surface to be processed. The dust collecting route is formed within the casing and guides an air suctioned from the suction opening to a dust collection portion in the casing. The filter is disposed in the dust collection portion to capture dust suctioned with the air. On the dust collecting route in the dust collection portion, a first filter and a second filter are disposed. The first filter includes a dust collecting chamber partitioned inside the dust collection portion. The second filter is arranged outside the first filter independently from the first filter.

Abstract: Cleaning turbine having a cylindrical shape with an axis or rotation and provided with a concave base surface facing toward the work zone, with an upper surface, opposite the base surface, and a circumferential surface interposed between the base surface and the upper surface. The cleaning turbine is provided circumferentially with a plurality of slits angularly distanced from each other, facing upward and passing through the base surface and the upper surface. The cleaning turbine is also provided with a plurality of lateral apertures each of which extends radially from the slits to the circumferential surface.

Abstract: A machine tool includes a tool that machines a workpiece while being contact with the workpiece, a state-quantity-data acquisition unit that acquires state quantity data of the workpiece and of the tool, a state-quantity-estimation-data calculation unit that calculates state quantity estimation data from a simulation model including a device dynamic characteristic model indicating a dynamic characteristic of the tool and a workpiece model indicating a target shape of the workpiece, and a machining-state calculation unit that calculates machining state data indicating a machining state of the workpiece based on the state quantity data and the state quantity estimation data.

Abstract: A linear gauge system for locating adjacent a weight bearing elongated frame able to support an elongated product which is to be processed linearly, the linear gauge system including a linear gauge, wherein the linear gauge is made precisely from a lightweight material; b. an elongated support wherein the elongated support is formed of stronger material than the linear gauge; and c. a carriage mounted on the linear gauge to which is mounted a movable platform which can engage a workpiece on the adjacent weight bearing elongated frame; wherein the linear gauge is formed precisely separately to the elongated support and mounted to the elongated support to provide the strength to the linear gauge.

Abstract: The precision lapping and polishing device for external cylindrical surface of disk part and its taper error adjustment method. The device composes a circular baseplate, slant rails, baffles, pressure plates, copper blocks, a washer blanket; blanket plates, a set of bead shafting, a friction driving wheel, a DC motor, a mobile power supply, a LED lamp and a cover body. By adopting the working principle that the generatrix rotates around the fixed axis to form the cylindrical surface, the ultra-precision machining of the cylindrical surface of disk part is realized. The radial-continuous-automatic-micro feeding of the disk part is realized by thinning the thickness of the circular baseplate which is internally tangent to the generatrix of the circular baseplate during the process of lapping and polishing. The device has the advantages of operating simply, adjusting conveniently, low cost and is of important value for popularization and application.

Abstract: A glideway crowning plate for creating a crown on a cutting edge of a cutting blade with a sharpening jig including a glideway crowning plate having a concaved curved surface of a predetermined radius placed proximate spaced glides of a sharpening jig. The sharpening jig utilizes a flat sharpening plate or a flat sharpening stone and the sharpening jig is side-stroked on the flat sharpening plate or the flat sharpening stone and the glideway crowning plate imposes a curved path of the predetermined radius on the sharpening jig, the cutting blade, and the flat sharpening plate or the flat sharpening stone to create a crown in the cutting edge of a cutting blade.

Abstract: An apparatus for processing an edge of a substrate sheet. The apparatus includes a finishing member, a shroud, and a tubular member. The finishing member is rotatably maintained within a chamber of the shroud. The shroud includes a wall segment terminating at a major edge that defines a portion of a slot. The slot is configured to receive the edge of the substrate sheet, facilitating interface of the edge with the finishing member. The wall segment further defines a nozzle passageway that terminates at an opening in the major edge. The tubular member projects from the major edge and defines a passage in fluid communication with the nozzle passageway. Cooling agent delivered to the nozzle passageway is injected onto the finishing member via the tubular member even in the presence of vacuum induced cross-flow. In some embodiments, a spatial arrangement of the tubular member is adjustable.

Abstract: A hand-held machine tool (1) for sanding or polishing a workpiece features a housing (2); a motor (4) for rotating a tool shaft (5) of the machine tool about its axis of rotation (6); and a backing pad (3) for releasable attachment of a sanding or polishing element thereto and eccentrically attachable to the tool shaft by an eccentric element (11) to allow the backing pad to perform a working movement. The machine tool implements different working movements of the backing pad attached thereto. The housing includes first magnetic elements (16) facing the backing pad. The backing pad attached to the eccentric element includes second magnetic elements (17) facing the housing. The machine tool implements a first working movement if a magnetic force is active between some first and second magnetic elements and a second working movement if no magnetic force is active between the first and second magnetic elements.

Abstract: A grinding mechanism is provided including a support table configured for fixing a workpiece to be ground thereon, and a sliding assembly slidably provided on the support table and including a cleaning tool. The cleaning tool includes a scraper configured to face the support table and a scraper holder to which the scraper is provided.

Abstract: The present disclosure discloses a wheel burr removing device, consisting of a left brush system, a synchronous clamping drive system, a right brush system and the like. The wheel burr removing device can be used for removing burrs from a wheel center hole, the circumferential edge below the center hole, a bolt hole and a back cavity weight reduction pit, and at the same time, has the characteristics of high automation, high removal efficiency, advanced technology, strong universality and high safety and stability.

Abstract: The present disclosure relates to a chemical mechanical polishing (CMP) pad, and an associated method to perform a CMP process. In some embodiments, the CMP pad comprises a polishing layer having a front surface with protruding asperities while a back surface being planar. A film electrode is attached to the back surface of the polishing layer and is isolated from the front surface of the polishing layer.

Abstract: A system includes a CMP carrier that includes a resilient flexible membrane upon which a wafer is mounted, at least three ports for supplying air to the resilient flexible membrane to pneumatically pushing on the wafer through pressure applied throughout the surface area of the resilient flexible membrane to have more uniform pressure. Each port provides pressure to different components of the carrier to adjust pressure or vary pressure during processing of the wafer. Further, the system includes a processor and software program for implementing the CMP carrier with existing CMP machines. The software application converts the air pressure applied to the carrier into units that allow the CMP machine to receive expected data and operate in accordance with the existing commands.

Abstract: A retaining ring includes a generally annular body having an inner surface to constrain a substrate, an outer surface, and a bottom surface. The bottom surface has a plurality of channels extending from the outer surface to the inner surface and a plurality of islands separated by the channels and providing a contact area to contact a polishing pad. Each channel includes a recessed region adjacent the outer surface such that the channel is deeper in the recessed region than in a remainder of the channel. The recessed region and the remainder of the channel each have substantially uniform depth.

Abstract: A grinding apparatus includes a table having a holding surface, a grinding unit grinding a wafer held on the holding surface, a notification portion notifying an operator of information, an imaging unit illuminating a ground surface of the wafer which is held and ground with an illumination and imaging the ground surface, a detecting portion detecting a cross line in an imaged picture, a memory storing an X-axis and Y-axis coordinate position of an intersection point of the cross line detected, a spotlight illuminating the holding surface at the X-axis and Y-axis coordinate position stored, and a controller causing the notification portion to notify the operator that the cross line has been detected and stopping grinding operations of the grinding apparatus.

Abstract: A wafer grinding method includes grinding a central portion of a wafer by using a plurality of abrasive members annularly arranged so as to form a circular ring, thereby forming a circular recess at the central portion of the wafer and simultaneously forming an annular projection around the circular recess, recognizing a height of a grinding unit after grinding the center by using a height recognizing unit and next storing the height recognized above, and grinding an upper surface of the annular projection to a predetermined value for a height of the annular projection previously set by a setting section as a grinding end height where the grinding of the annular projection by the grinding unit is ended.

Abstract: Example guards for use with power tools and power tools including such guards. The guards include a collar structured to be removably coupled to a hand-guided electrical tool, a hood coupled to the collar, and a guard ring coupled to the collar via the hood. The guard ring extends entirely around the collar.

Abstract: An abrasive article having first and second major surfaces includes a lofty open nonwoven fiber web comprising entangled fibers. The fiber web includes a densified outer layer comprising a portion of nonwoven fiber web proximate to the first major surface. At least a portion the entangled fibers in the densified outer layer are melt-bonded to one another. An abrasive material is coated on the densified outer layer. The abrasive material includes abrasive particles having a median particle diameter D50 in the range of 1 to 15 microns retained in a binder material. The abrasive article has a Stiffness Test force of 0.1 to 5.0 pounds (0.45 to 2.27 kg) or less. The abrasive article can be used to abrade a workpiece.

Abstract: The present invention relates to an abrasive disk that is excellent in workability and stability and has a low degree of fatigue applied to workers and tools, and a process for producing the same. The abrasive disc is excellent in stability by virtue of a high adhesive strength of each layer, has high flexibility, elasticity, and adhesiveness, and is lightweight per unit area. Thus, it has a low degree of fatigue applied to workers and expensive tools. In addition, according to the above production process, the abrasive disk can be continuously mass-produced.

Abstract: A wheel brush (1) includes a grinding element bundle holder (3) having an annular grinding element bundle-holding surface (12) that faces the outer circumferential side and a plurality of grinding element bundles (4) that are formed by gathering a plurality of wire-shaped grinding elements (5). The grinding element bundle-holding surface (12) has a plurality of holding holes (16) arrayed in a circumferential direction (R), the grinding element bundles (4) protrude to the outer circumferential side from the grinding element bundle-holding surface (12) while one end portions are inserted into the holding holes (16). First protrusions (18) protruding to the outer circumferential direction are provided on first opening edge portions (17a) adjacent to the holding holes 16 at a first direction (L1) side in the rotational center line direction orthogonal to the circumferential direction R (R) in opening edges of the holding holes (16) in the grinding element bundle-holding surface (12).

Abstract: A hook clamp that includes a clamping hook, an actuator assembly, and a spring element. configured to be received in an opening of a component which is to be clamped. The clamping hook is received in an opening of a component which is to be clamped, and includes a first clamping hook arm with a hook element formed on a free end thereof, and a second clamping hook arm arranged at an angle relative to the first clamping hook arm. The actuator assembly is configured to move the clamping hook from an open position into a closed position by movement in a first direction that is parallel to a longitudinal axis of the first clamping hook arm and also in a second direction that is perpendicular to the longitudinal axis of the first clamping hook arm. The spring element is to pre-tension the clamping hook against the first direction at a pre-tensioning position between the pivot point and the hook element.

Abstract: The present invention discloses a method for manufacturing a screwdriver head, the screwdriver head including a head portion for being inserted into a slot of a screw head and a basal body for supporting the head portion; the manufacturing method including: providing the screwdriver head made of a first metal material; preparing alloying coating; coating the alloying coating on the surface of the head portion of the screwdriver head; conducting laser surface alloying treatment on the surface of the head portion coated with the alloying coating to form an alloyed layer; and conducting low temperature tempering treatment on the screwdriver head after the laser surface alloying treatment. The present invention further discloses a screwdriver head, the surface of the position at which the head portion of the screwdriver head contacts with the slot of the screw head is provided with an alloyed layer formed through the laser surface alloying treatment.

Abstract: An accessory for use with a rotary power tool having a rotatable spindle and a first mating member.

Abstract: An installation tool and related methods are provided. The tool can pull a strip of collated fasteners along a collated fastener path to a guide, where individual fasteners are sequentially separated from the strip and advanced into a workpiece. The tool can include a tension feeder located downstream of the guide. The tension feeder is configured to apply tension to the strip between the guide and a leading end of the strip. The tool can include a driveshaft configured to attach to a conventional drive tool chuck or a drive tool having hexagonal type drive components. The guide can be one piece and replaceable, with a guide body and a guide head. A strip slot can be defined in the same to align a fastener head with a backstop and facilitate entry of a fastener shank in a feed slot. Related methods of use are provided.

Abstract: A tool for removing orthotic inserts from inside of a shoe. The tool consists of a blade with a narrow tip for inserting between the edge of the orthotic and the inside of the shoe, a housing attached to the blade, the housing internally containing an LED light, a battery, a controller, and an on/off switch to active the light, and a handle use for leverage to remove the orthotic. The handle is covered by a soft pliable rubberized grip made of a silica gel material.

Abstract: A wedge anchor removal device. The wedge anchor removal device has an elongated cylindrical body. The elongated cylindrical body includes a bore centrally defined therein. The bore is sized to receive a rod. The rod has a first end disposed opposite a second end. The first end has a threaded interface. The threaded interface is configured to engage an anchor bolt. A nut is disposed on the second end of the rod.

Abstract: Systems and methods for removing a bearing assembly from a shaft include a steam ring, the steam ring being a ring shaped member. The steam ring has an inner bore sized to circumscribe the shaft. A lip ring extends from a first end face of the steam ring and has an inner diameter length that is greater than an outer diameter length. A steam inlet port extends through a sidewall of the steam ring. A steam outlet port extends through the sidewall of the steam ring at a location spaced apart from the steam inlet port.

Abstract: This invention (called the VALVE BUDDY) is a compact mechanical tool with attachments that aids in the manipulation of heavy and/or ungainly valves, hereafter called the Working Load. The VALVE BUDDY allows operators to safely lift, elevate, move or position a Working Load with or without bodily handling the Working Load thus improving safety and work efficiency.

Abstract: A pneumatic fastener driver is operable in a single sequential mode and a bump-fire mode. The pneumatic fastener driver includes a housing, a nosepiece extending from the housing from which fasteners are ejected, and a trigger moveable between a default position, in which a drive cycle is inhibited from initiating, and a depressed position, in which the drive cycle is permitted to be initiated. The pneumatic fastener driver further includes a contact arm movable relative to the nosepiece between an extended position and a retracted position, and a timeout mechanism operable in the bump-fire mode to inhibit the drive cycle from being initiated in response to inactivity of the contact arm over a preset time interval that begins once the trigger is actuated from the default position to the depressed position.

Abstract: The present disclosure generally relates to quick change attachments for a pneumatic percussive tool. The attachments convert a pneumatic percussive tool, such as an air impact tool with proximal attachment means, which has a “pushing” force, into a pneumatic percussive tool having a “pulling” force. Once attached to the pneumatic percussive tool, the attachments also provide a quick change feature for allowing “pulling” tools to be simply and easily removed and replaced.

Abstract: A work tool includes a motor, a driving mechanism, a housing, a handle, a detecting mechanism and an elastic support part. The detecting mechanism is configured to detect information corresponding to an operating state of the work tool. The elastic support part supports the detecting mechanism so as to be movable relative to the housing in at least two of a front-rear direction, an up-down direction and a left-right direction. The elastic support part includes at least one elastic member disposed between the detecting mechanism and the housing. The elastic support part has respectively different spring constants in the at least two directions.

Abstract: A folding multi-tool includes a first tool defined by a pair of tool members connected to each other at a pivot, each tool member having a base portion spaced from the pivot, and a pair of elongate handles, at least one of the handles defining at least one tool storage area within the handle. A bit driver includes an elongate outer sleeve connected to one of the handles to pivot between a stowed position where the bit driver is stowed in the at least one the storage area and a deployed position where the bit driver can be operated by a user.

Abstract: The Overhead Drill and Anchor Press is a single mobile mechanism designed for installation of anchors into a construction surface which is overhead and out of reach of the installer. The overhead drill and anchor press may include a mast, a turret assembly, a controller, and at least one drill. The overhead drill and anchor press can execute the anchor installation sequence automatically or manually with a controller by moving the drill position to drill the hole and set the anchor. The controller may be equipped with a digital display of the turret mounted camera for monitoring the process from the ground. The entire assembly may be manually pushed between target.

Abstract: A hand-held power-tool device including at least one drive housing, at least one striking mechanism housing, and at least one rotary striking mechanism, which includes at least one planetary gear including at least one annulus gear. It is provided that the annulus gear is clamped between the drive housing and the striking mechanism housing.

Abstract: A handheld power-tool device is described as including a drive unit, which includes at least one driveshaft, and at least one rotary striking mechanism, which includes at least one intermediate shaft aligned at least essentially flush with respect to the driveshaft, and at least one bearing for mounting the driveshaft. It is provided that the bearing is situated at least partially in a plane, which intersects the intermediate shaft and extends at least essentially perpendicularly with respect to the intermediate shaft.

Abstract: System for cooling a power tool. One exemplary power tool includes a housing including an air intake and an air exhaust. The power tool further includes a motor and a fan configured to pull cooling air into the housing through the air intake, and exhaust the cooling air out of the housing through the air exhaust. The power tool further includes a plurality of field-effect transistors (FETs). The FETs couple the stator coils to a power source. The power tool further includes a FET board within the housing. The power tool further includes a heat sink within the housing. The heat sink includes a first mounting portion and a second mounting portion. Each of the mounting portions includes a horizontal fin extending toward a respective side of the housing. A plurality of vertical fins extends from a top surface of each of the horizontal fins.

Abstract: There is provided a battery power pack and power tool system, including at least first and second power tools operational with a first Voltage supply level and a second power Voltage supply level respectively. The battery pack is selectively mechanically and electrically connectable with each of the said power tools to provide power thereto and the first power tool includes electrical connection means in a first configuration to provide the power from the battery pack for the operation of said first power tool at the said first Voltage supply level and the second power tool includes electrical connection means in a second configuration to provide the power from the battery pack for the operation of said second power tool at the said second Voltage supply level such that the same battery pack is used to supply different required Voltage supply levels for the respective power tools.

Abstract: An improved tool handle is described. The improved handle combines a centered D-shaped through grip with two side grips that extend on each side of the D-shaped grip. The side grips extend along an axis that is perpendicular to the axis of an attached tool shaft. The handle is ergonomically designed to support both pushing and scooping capabilities. The handle can be used in “pushing mode” by gripping the side grips. Pushing mode can be employed when removing snow or similar material. The side grips provide leverage and allow a user to use body weight and arms for pushing, which also helps reduce strain and backaches. The handle can also be used in “scooping mode,” by using the D-shaped through grip. The D-shaped grip provides a user-friendly, comfortable handle for scooping material.

Abstract: The invention can be a fold down bench that can allow a user to have a storage space for tools as well as a work surface. The unit can be mounted to a wall by a first member and the worksurface, second member can be pivotably connected to the first member. In the closed position the bench can also be able to be latched closed. A pegboard is included so that a user can store tools or equipment. The first and second members include support ends adapted to engage with the support end of the other member for structural support.

Abstract: A tool and rigging support bracket comprised of a durable, non-conductive plastic having an “L” shaped cross-section of up to about ½? and other dimensions of about 2.5? wide and 20? long. Multiple support holes perforate through an upper surface of the “L” shaped tool and rigging support bracket. The tool and rigging support bracket can accommodate at least 100 pounds of tools and riggings.

Abstract: An ergonomic aid has a base portion configured to be received on a stringer adjacent an access port in a partition wall within a structural enclosure. A support pad extends from the base portion, the support pad having an upper surface with a contour adapted to match a profile of the access port. The support pad has a predetermined height to extend the upper surface above a rim of the access port opening when the support pad is in a compressed condition.