Abstract: A tool holding fixture for a tool drive and a device for polishing of optical workpieces, the tool holding fixture being coupled by a magnet and by quick connections to the tool drive and forming a preassembled unit with a tiltable tool holder and assigned bearing part together with a bellows.

Abstract: Disclosed is an oscillating power tool comprising: a housing; a motor; a drive shaft; an output shaft driven by the drive shaft to oscillate around its own axis at a certain angle of oscillation; an eccentric transmission mechanism converting the rotational movement of the drive shaft to the oscillation of the output shaft, wherein the eccentric transmission mechanism comprises an eccentric apparatus mounted on the drive shaft and a shift fork assembly respectively connected to the eccentric apparatus and the output shaft; and the eccentric apparatus comprises at least two drive members, the shift fork assembly comprises a first shift fork member and a second shift fork member, the first shift fork member has a first cooperating part cooperating with the drive member and a second cooperating part cooperating with the second shift fork member, and the second shift fork member is connected to the output shaft.

Abstract: Disclosed is an oscillating power tool comprising: a housing; a motor; a drive shaft; an output shaft driven by the drive shaft to oscillate around its own axis at a certain angle of oscillation; an eccentric transmission mechanism converting the rotational movement of the drive shaft to the oscillation of the output shaft, wherein the eccentric transmission mechanism comprises an eccentric apparatus mounted on the drive shaft and a shift fork assembly respectively connected to the eccentric apparatus and the output shaft; and the eccentric apparatus comprises at least two drive members, the shift fork assembly comprises a first shift fork member and a second shift fork member, the first shift fork member has a first cooperating part cooperating with the drive member and a second cooperating part cooperating with the second shift fork member, and the second shift fork member is connected to the output shaft.

Abstract: A prober in which a probe head can be easily replaced is provided. A prober 10 includes a main body 12; a stage 11 provided within the main body 12 and configured to place a wafer W thereon; a card 16 provided within the main body 12 to face the stage 11; and a probe head holder 24 provided within the main body 12 and configured to be moved toward the card 16. The card 16 includes a probe head 30 which is detachably attached to the card 16 and has a multiple number of probe needles 35, and the probe head holder 24 is moved toward the card 16 while holding the probe head 30 thereon.

Abstract: A tool grinder is disclosed which includes a variable speed DC motor having an output shaft, and a cutter wheel mounted on the output shaft and having a precision coating of prone superabrasive particles. The grinder preferably further includes a motor controller for governing a rotational speed of the motor between 100 rpm and 2000 rpm. This minimizes the surface speed of the cutter wheel and the friction heat generated by contact of the workpiece with the cutter wheel. The precision coating of prone superabrasive particles minimizes rubbing contact between the cutter wheel and the workpiece during material removal from the workpiece. The cutter wheel preferably has a first cutting surface parallel to an axis of rotation of the wheel and one or more additional cutting surfaces perpendicular to the axis of rotation, at another angle to the axis of rotation, or both.

Abstract: A method and an apparatus for machining an exterior surface of a metal alloy casing of a portable electronic device to form a combination of a flat edge surface, a curved edge surface and a flat bottom surface is disclosed. The flat edge surface is abraded by contacting a first flat section of a rotating cutting tool along a first circuit of a pre-determined continuous spiral path. The curved edge surface is abraded by contacting a convex section of the rotating cutting tool along additional circuits of the first pre-determined continuous spiral path. The pitch of vertical movement of the cutting tool is adjusted for each circuit of the continuous spiral path based on a resulting curvature of the metal alloy casing. The bottom surface is abraded by contacting a flat section of the cutting tool along a second pre-determined alternating direction linear path.

Abstract: An aspect of the present embodiment, there is provided a polishing apparatus, including a stage configured to be placed a semiconductor wafer thereon and to be rotated with the semiconductor wafer, a first polishing unit configured to contact a polishing tape to one portion of the semiconductor wafer on the stage, a second polishing unit configured to contact to other portion of the semiconductor wafer, the other portion being different from the one portion, a feed unit configured to feeding the polishing tape, and a recovery unit configured to recovery the polishing tape.

Abstract: A machining installation for workpieces comprises a workpiece positioning device comprising a workpiece holder pivot unit as well as a tool positioning device comprising a tool holder pivot unit. The workpiece holder pivot unit is designed such that a workpiece holder is pivotable about at least three and no more than four workpiece holder pivot axes. Moreover, the tool holder pivot unit is designed such that a tool holder is pivotable about no more than two tool holder pivot axes. The machining installation has a simple design and ensures flexible and accurate machining of workpieces.

Abstract: A grinding apparatus includes at least two oppositely arranged series of surfaces in slanting relative orientation and alternately overlapping each other, forming this way a groove into which an edge or cutting edge is insertable for polishing by the surfaces. The surfaces of each series of surfaces are arranged in a common plane forming a side in a respective block, the blocks arranged in a holder by which each block is spring biased towards the opposite block, the blocks operated in reciprocating movement transversely to the longitudinal direction of the edge/cutting edge while the surfaces contact opposite sides of the edge/cutting edge under spring action.

Abstract: A sharpening device operable to maintain a stable angle of a cutting edge during sharpening is disclosed. A sharpening member reciprocates parallel to a first direction. The sharpening member comprises a sharpening surface comprising at least one groove along the first direction. Reciprocation can reduce a presence of a sharpening residue on the sharpening surface while maintaining a stable sharpening angle of a cutting edge.

Abstract: A grinding machine includes a machine frame with a work piece support surface on which a work piece may be transporter through the machine. A grinding bar arrangement including two grinding shoes positioned in parallel is arranged transversely with respect to a work piece feeding direction across the width of the work piece support surface. The two grinding shoes carry a grinding medium on their surfaces facing the work piece support surface and are suspended via an eccentric drive. The two grinding shoes perform rotary movements in a plane parallel to the work piece support surface achieving a high quality grinding result.

Abstract: A constant force finishing system used to finish a surface of a workpiece includes at least a first movement device arranged to apply a first movement to a finishing tool, the first movement having a range of distance D1. The finishing system also includes a constant force device (CFD) in mechanical communication with the finishing tool, the CFD arranged to apply a second movement in conjunction with the first movement to the finishing tool, the second movement having a range of ?1, where D1>>?1.

Abstract: A mower blade sharpening device comprising a guide body having a sharpening rod guide, a sharpening rod having a sharpener end, and an operator end. The sharpening rod is disposed in the sharpening rod guide. A sharpener is disposed on the sharpener end of the sharpening rod. Also disclosed is a method for sharpening a mower blade using the sharpening device.

Abstract: A vibration device for a super finishing apparatus for super finishing a mechanical object is disclosed. It comprises at least two sliding means (1, 3), each comprising a guide (5, 7) and an element (9, 11) provided with a through hole (13) for receiving the guide (5, 7), allowing a relative movement between the guide (5, 7) and the element (9, 11) provided with the through hole (13), and a movable structure (15) fixed to the at least two sliding means (1, 3). Further, each sliding means (1, 3) presents at least one liquid fluid inlet (19) allowing a liquid fluid to enter the through hole (13) and suspend the guide (5, 7) in relation to an inner surface of the through hole (13). An attachment tool comprising the vibration device is also disclosed.

Abstract: An example finishing tool form assembly includes a base and a superabrasive bonded to a surface of the base. The superabrasive is configured to be reciprocated with the base relative to a longitudinally extending recess of a component to finish at least one surface of the component.

Abstract: A rasp attachment for a motor-driven surgical hand-piece includes a mounting means for mounting the rasp attachment to the motor-driven surgical hand-piece and a rasp area which is implemented to take off material from a surface in a reciprocating movement of the rasp attachment caused by the motor-driven surgical hand-piece. the rasp to is curved and elastically deformable at least in the rasp area.

Abstract: Certain embodiments disclosed herein relate to apparatuses and methods for intricate cuts. In particular, in one embodiment, a cutting apparatus is provided. The cutting apparatus includes a base member and an elongate member extending from the base member. The elongate member includes a tapered region having an abrasive surface. The tapered region defines at least one vertex defining an angle of a desired cutout shape. Additionally, the tapered region is toothless.

Abstract: A plate material, while being transferred by a transfer mechanism, is sandwiched by two polishing heads. The plate material is transferred by the transfer mechanism while the two polishing heads are vibrated by a vibration mechanism in a direction crossing a transfer direction T of the plate material.

Abstract: A grinding apparatus includes at least two oppositely arranged series of surfaces in slanting relative orientation and alternately overlapping each other, forming this way a groove into which an edge or cutting edge is insertable for polishing by the surfaces. The surfaces of each series of surfaces are arranged in a common plane forming a side in a respective block, the blocks arranged in a holder by which each block is spring biased towards the opposite block, the blocks operated in reciprocating movement transversely to the longitudinal direction of the edge/cutting edge while the surfaces contact opposite sides of the edge/cutting edge under spring action.

Abstract: Method and apparatus for surface conditioning a metal surface typically having irregular surface contours, by rubbing the metal surface with a surface conditioning device having a plurality of bristles which contact the metal surface during the rubbing and effect tensile stress reduction or degraded layer removal in the metal surface.

Abstract: A polishing apparatus includes a cyclic mechanism moving cyclically in a certain direction, a holder moving cyclically by the cyclic mechanism in a direction parallel to an object to be polished, a plurality of polishing pins held on the holder, a magnet member including a first part which is exposed on a front face side of the polishing pin and a second part which is not exposed on the front face side of the polishing pin, a part of the second part being covered with a non-magnetic material, and a polishing member held on the polishing pin by magnetic force of the magnet member and polishing a tip of the object to be polished by the cyclic motion of the cyclic mechanism, wherein a contact area of the polishing member and the polishing pin includes a contact area of the magnet member and the polishing member.

Abstract: A mechanical device for lapping, and a method therefore, the device including: (a) a metal workpiece having a metal working surface; (b) a contact surface, disposed generally opposite the working surface, for moving in a relative motion to the working surface; (c) abrasive particles disposed between the contact surface and the working surface, and (d) a mechanism, associated with the working surface and/or the contact surface, for applying the relative motion, and for exerting a load in a substantially normal direction to the contact surface and the working surface, the contact surface for providing an at least partially elastic interaction with the plurality of abrasive particles, wherein, associated with the contact surface is a particulate additive, and wherein, upon activation of the mechanism, the relative motion under the load causes a portion of the abrasive particles to penetrate the working surface, and wherein the relative motion under the load effects incorporation of a portion of the particulate a

Abstract: Method and apparatus for surface conditioning a metal surface typically having irregular surface contours, by rubbing the metal surface with a surface conditioning device having a plurality of bristles which contact the metal surface during the rubbing and effect tensile stress reduction or degraded layer removal in the metal surface.

Abstract: An apparatus for sharpening one or more razor blades secured within a holder is disclosed. The holder includes a head for retaining the one or more razor blades in a cutting position and a handle affixed to the head. A housing includes a razor slot adapted to receive the head. A sharpening assembly disposed within the housing includes a sharpening member positioned adjacent the razor slot. The sharpening member is adapted to engage the one or more blades in the cutting position. A motor assembly is also disposed within the housing and is adapted to transmit a high frequency vibration to the sharpening assembly.

Abstract: The invention relates to a method for grinding a cutting tool, especially a knife. The aim of the invention is to provide a method which allows configuration of individual leaf or blade geometries at comparatively low costs. For this purpose, the cutting tool is contacted with the effective surface of a grinding device, and the cutting tool and the grinding device can be displaced in relation to each other by at least three degrees of freedom.

Abstract: A lapping apparatus includes a lapping plate having a lapping surface thereon that moves relative to a work. The lapping apparatus can adjust an inclination of the work in a latitudinal direction, thereby obtained preferable parallelization of both a reading elements and writing element to the lapping surface. As a result, the lapping apparatus can provide magnetic heads suitable for the perpendicular recording.

Abstract: A processing machine (1) has a machine frame (2) and a processing element (3) arranged so as to be movable relative thereto via a drive shaft (5). The drive shaft (5) is coupled with the machine frame (2) and the processing element (3) by means of a floating-bearing arrangement (13). The floating-bearing arrangement (13) has at least two rolling-contact bearings (16, 19, 22, 24), with a first rolling-contact bearing (19, 24), coupled with the drive shaft (5), and a second rolling-contact bearing (16, 22), arranged on the machine frame (2), and a common connecting bearing shell (15, 25, 26). The connecting bearing shell (15, 25, 26) supports the rolling-contact bodies of the first and second rolling-contact bearings (16, 19, 22, 24) and is driven.

Abstract: A holder for holding a tool implement for use with a power tool having a drive output member. The holder includes a pair of first and second supports for connection to the output member, a clamp member located between the supports, and a cam supported between the first support and the clamp member. The cam can be turned between an operative position, urging the clamp member towards the second support to hold the tool implement, and an inoperative position, releasing the clamp member for removal of the tool implement.

Abstract: An electroetching process of the present invention uses a multiphase environment for planarizing a wafer with conductive surface having a non-uniform topography. The multiphase environment includes a high resistance phase and an etching solution phase. The conductive surface to be planarized is placed in the high resistance phase and adjacent a phase interface between the high resistance phase and the etching solution phase. A wiper is used to mechanically move the thin high resistance phase covering the conductive surface so that the raised regions of the non-planar conductive surface is briefly exposed to etching solution phase. The mechanical action of the wiper does not disturb the high resistivity phase filling the rescessed regions of the surface. As the raised surface locations are exposed, the etching solution phase contacts and electroetch the exposed regions of the raised regions until the surface planarized.

Abstract: A process and apparatus for surface treating boundary walls of an interior chamber formed in a workpiece. Nozzle members are inserted through access openings which communicate with opposite sides of the interior chamber and are positioned so that discharge openings of the nozzle members are disposed in closely adjacent and directly opposed relationship. High velocity streams of carrier fluid having entrained solid abrasive media therein are simultaneously discharged from the nozzle members so that the opposed streams directly violently impact and are deflected radially outwardly for impact against the surrounding boundary walls. The opposed nozzle members are preferably simultaneously synchronously moved lengthwise of the chamber to effect treating of the boundary walls.

Abstract: Embodiments of methods and apparatus in accordance with the present invention provide a chemical mechanical planarization (CMP) process that provides single or multiple polishing pads to have a different rotational velocity, applied pressure and oscillation frequency on the surface of the substrate to address and compensate for the WIW (with-in-substrate) and WID (with-in-die) non-uniformities in planarization ability. The velocity of each polishing pad is adjustable providing a closer match to the substrate surface velocity over a particular zone to yield a linear velocity on the surface of the substrate.

Abstract: A transmission for changing rotary motion into angularly reciprocating motion and adapted to be mounted on the output end of a power unit of the type having a rotary drive output and used to drive a tool. The transmission is comprised of a support member, a driving resinous member supported by the support member for rotary motion, and a driven resinous member supported by the support member for reciprocating angular movement by the support member. The transmission subassembly is formed by the driving resinous member, driven resinous member and support member and adapted to be mounted on the output end of the power unit with a rotary drive output mechanically coupled to the driving resinous member. A driving cam surface is disposed on a portion of the driving resinous member. A driven cam surface is disposed on a portion of the driven resinous member. The driving cam surface is in contact with the driven cam surface during at least a portion of the cycle of rotation of the driving cam surface.

Abstract: A processing machine (1) has a machine frame (2) and a processing element (3) arranged so as to be movable relative thereto via a drive shaft (5). The drive shaft (5) is coupled with the machine frame (2) and the processing element (3) by means of a floating-bearing arrangement (13). The floating-bearing arrangement (13) has at least two rolling-contact bearings (16, 19, 22, 24), with a first rolling-contact bearing (19, 24), coupled with the drive shaft (5), and a second rolling-contact bearing (16, 22), arranged on the machine frame (2), and a common connecting bearing shell (15, 25, 26). The connecting bearing shell (15, 25, 26) supports the rolling-contact bodies of the first and second rolling-contact bearings (16, 19, 22, 24) and is driven.

Abstract: The invention relates to a saw wire consisting essentially of a steel wire, an intermediate layer and a metallic binding phase into which diamond grains with an average diameter of 10 to 50 micrometers are inserted, characterized in that the metallic binding phase has a hardness of between 600 and 1100 HV 0.1 and consists of an inner layer and an outer layer which are arranged concentrically around the steel wire provided with the intermediate layer. The inner layer has a thickness of approximately between 10 and 25% of the average diamond grain diameter, while the thickness of the outer layer is such that the overall thickness of the metallic binding phase is 45-55% of the average diamond grain diameter and the diamond grains have an average interval of not more than 5 times their average diameter. Other fine particles with an average diameter of 1 to 6 micrometers are located between the diamond grains with an average diameter of 10 to 50 micrometers.

Abstract: A high-speed, hand-held attachment for flex rotor shafts of power rotary tools, and also for direct attachment to power rotary tools without flex rotor shafts, that converts rotary motion to reciprocating motion for precision control of cutting, carving, sawing, chiseling, filing, sanding, and engraving on delicate work pieces. The attachment is one assembly comprising a one-piece front one-piece enclosure (20), a rear one-piece enclosure (30), a high-speed bearing (22), a one-piece rotating piece (40) with integral cam groove, a one-piece reciprocating piece (50) with an integral cam follower on one end and with its other, exposed end accomodating the attachment of a chuck or collet and with geometry to prevent rotation, and a thumbscrew (32). Rotating piece (40) attaches directly to the rotary power source and provides the cam action drive to reciprocating piece (50). Bearing (22) provides rotative support for the other end of rotating piece (40).

Abstract: A surface abrader apparatus includes a casing, a motor mounted on the casing, one or more working tools, and an operating mechanism mounted to the casing and supporting the working tools outside of the casing. The operating mechanism is drivingly coupled to the motor for causing an impacting movement of the working tools against a workpiece in response to selected operation by the motor. The operating mechanism includes one or more elongated shafts reciprocally mounted in the casing parallel to one another and having same one ends extending from the casing, a drive shaft rotatably mounted in the casing between and parallel to the shafts and rotatably driven by the motor, and coil springs and cam elements for causing lifting and releasing of the shafts and the working tools, such as impact abrading heads, mounted on the same one ends of the shafts to produce impact movements of the tools.

Abstract: A grinding machine uses a conical grinding wheel (10) to create a non-circularly symmetric surface (defining, for example, a re-entrant cam) on a workpiece. The machine is operable to rotate such a workpiece about a first axis (5) and the machine has drive means for rotating the conical wheel about a second axis (14). A feeding mechanism brings the wheel into contact with the workpiece to define a line of grinding where the wheel contacts the workpiece (i.e. a cutting line). In use, a rocking movement is imparted to the wheel and spindle relative to the workpiece as the latter rotates so as to maintain the orientation of the cutting line relative to the first axis and of the second axis relative to the cutting line.

Abstract: Apparatus for sharpening a razor blade with a motor actuated sharpening member mounted in a housing with a slot for receiving the razor head and a cradle assembly for engaging the distal end of the razor handle to hold the razor head in the slot. A carriage assembly holds the sharpening member opposite to the slot with its sharpening surface engaging the cutting edge of a razor blade secured in the razor head. A drive assembly driven by a motor operated by a timing circuit causes repetitive movement of the sharpening surface for a predetermined period of time.

Abstract: An adjustable platen is provided. The adjustable platen includes a platen body having a top region and a bottom region. The platen body is oriented under a linear polishing pad of a CMP system. An air bearing is integrated with the platen body at the top region, and the air bearing is configured to apply an air pressure to an underside of the linear polishing pad. A set of bearings are connected to the bottom region of the platen body to enable controlled vertical movement of the top region of the platen body closer or further from the underside of the linear polishing pad depending on the applied air pressure. The applied air pressure is configured to exert a controllable force to the underside of the linear polishing pad. The force is controlled to meet a desired process parameters, while the carrier simply moves the wafer into position over the linear polishing pad.

Abstract: A vane groove grinding apparatus for compressor cylinder including a compressor cylinder holding means the compressor cylinder being provided with an inner hole and a vane groove extending radially outwardly from the inner hole, sliders being movable along a center line of the inner hole and at a right angled direction to the vane groove, a grinding disk holder facing one open side of the inner hole and a support for locking the holder facing another open side of the inner hole both being disposed on a slider adjacent to the compressor cylinder, when the grinding disk is inserted in the vane groove a distal end of the grinding disk holder is firmly engaged in the support.

Abstract: An apparatus for end-rounding bristles in a brush having different heights. The apparatus includes pins disposed in pre-determined locations such that they will contact selected bristles in a brush abutting the apparatus when the pins travel a two-dimensional path. The height of the pins is adjusted according to the heights of the selected bristles.

Abstract: A hand scaler sharpener unit adapted to sharpen a hand scaler with a grindstone for restoration of the hand scaler, including a base member having a base surface slanted at an angle to a level line, a grindstone mounting member for mounting a grindstone thereon, a grindstone driving means for reciprocatingly moving the grindstone mounting member along the base surface, as well as a hand scaler sharpening apparatus including this hand scaler sharpener unit and a hand scaler securing unit for securing a hand scaler generally vertically during operation of the sharpener unit.

Abstract: A linear sanding apparatus, for providing a linear reciprocating sanding action, and having a support assembly, a drive shaft, and having a angled drive plate on the shaft, and a motor for rotating the shaft, two transmission devices coupled to the drive plate, and operable by rotation of the drive plate, to reciprocate along linear paths in opposite directions side by side to one another, and first and second sanding plates connected to respective transmission devices, and movable in unison with movement of the devices to and fro, side by side to one another along reciprocating linear parallel paths in opposite directions.

Abstract: A method is provided for processing a metal foil sheet to produce magnetic recording media. The method comprises providing an elongate metal foil sheet having a first side and a second side. The sheet is advanced through a plurality of processing stations in equal unit length segments such that each segment receives the same treatment to form a magnetic recording medium from each segment. Method are also provided to prepare the foil surfaces by polishing, texturing, cleaning, and stress relieving, to coat the prepared surfaces with at least one metal layer, to finish the coated layers by buffing, burnishing, and lubricating, and to form disk units from the prepared, coated and finished surfaces.

Abstract: A reciprocating assembly for moving an abrasive element over a workpiece. The reciprocating assembly utilizes a piston arrangement operated by pressurized fluid wherein the abrasive element is extended over the workpiece at one rate and is retracted along the workpiece at another rate.

Abstract: A holder for an abrasive element used to abrade the surface of a workpiece. The holder is made of an abrasive pad resiliently mounted upon a holder in a manner providing to the pad multiple degrees of freedom of motion.

Abstract: A probe apparatus according to the present invention comprises a stage carrying an object of inspection thereon and rotatable and movable in the horizontal and vertical directions, a probe located over the stage and adapted to be brought into contact with the object of inspection on the stage in order to subject the object to electrical inspection, a polisher carrying section attached to the stage and capable of carrying thereon a polisher for polishing the probe, a storage mechanism for storing the polisher, and a transportation mechanism for transporting the polisher between the storage mechanism and the polisher carrying section.

Abstract: A sharpener apparatus includes a base, a linear bearing assembly mounted on the base, and a support block carried by the bearing assembly for reciprocating movement along a rectilinear path relative to the base. A planar abrasive surface underlies the support block which has one or more open channels for receiving workpieces in sliding relation with the longitudinal axes of the workpiece preferably inclined to the abrasive surface. A pusher member is supported by the support block adjacent each channel for applying a constant force longitudinally of the corresponding workpiece to urge its tip against the abrasive surface. Manual or powered reciprocating movement of the support block effects an abrasive action of the workpiece tips against the abrasive surface to form a highly accurate and repeatable tip geometry, such as a chisel point, on each workpiece.

Abstract: A device for cleaning, polishing or sanding having a treatment head that linearly reciprocates a pad or brush with a purely translational motion. The treatment head has a driven shaft with a crank at a free end connected through a link to a sliding block. The sliding motion of the block is confined in rails fixed on opposite sides of the driven shaft. A mechanism is provided for connecting the driven shaft to an output shaft of an electric motor.

Abstract: An oscillating tool for sanding a surface has a body (12) defining an internal cavity (14) and a motor (20) located therein The motor has a motor shaft (22) oriented in parallel with the body. A crank (24) is affixed to the motor which has a crank pin (26) projecting therefrom. A lever arm (34) is pivotably affixed to the body for rotation about a pivot axis generally perpendicular to the motor shaft. The lever arm cooperates with the crank pin to cause the lever arm to cyclically pivot back and forth. A pad support (18) is adapted to receive a work member (19). The planar pad support is affixed to the lever arm at a location spaced apart from the pivot axis and oscillated therewith. The pad support has a substantially 90 degree forward corner (110) formed by a pair or facet edges and a pair of outwardly inclined straight side edges (116, 118).