Abstract: Knife sharpener systems and methods are provided. In one exemplary embodiment, a knife sharpening system can include a housing configured to receive a knife blade at a proximal end thereof and a sharpening element movably mounted to the housing and configured to sharpen a cutting edge of a knife blade by moving relative to the housing along and against a cutting edge of a knife blade disposed in the housing. The knife sharpening system can include an access door pivotally coupled to a distal end of the housing and configured to allow access to the sharpening element to allow removal of at least a portion of the sharpening element.

Abstract: The present invention is a machine for treating a surface lying in an XY plane. The machine includes a body having a body plate, a cleaning plate, a cleaning pad, a drive assembly and an attachment assembly. The cleaning plate is located between the body plate and the XY plane. The drive assembly is connected to the cleaning plate to drive the cleaning plate with a cleaning vibration in an oscillating pattern parallel to the XY plane and producing a drive force for driving the machine over the XY-plane.

Abstract: Apparatus for sharpening a cutting tool. In some embodiments, a tool sharpener includes an abrasive medium having an abrasive surface. A stationary tool support guide provides a guide surface that supports a side of the tool during presentation of a cutting edge of the tool against the abrasive surface. A rotatable edge guide has a roller member with a curvilinearly extending outer surface. The roller member is rotatable about an edge guide roller axis to engage, via rolling contact, the cutting edge during the presentation of the cutting edge against the abrasive surface.

Abstract: Methods of machining a component including multiple dissimilar materials are disclosed. One method may include making a first cut in the component to remove at least a portion of a hardest material in the component and making a second cut in the component along a second cutting-path that does not include the hardest material. The first cut may expose a cut surface in the component and the second cut may extend through the cut surface. The cuts may be made using a turning operation and different cutting tools may be used for the first and second cuts. The hardest material may have a hardness of at least 50 HRC and the remaining materials may have a hardness of at most 45 HRC. The disclosed methods may be used to form a thrust face surface in a shell and sun gear assembly to extend tool life and reduce scrap.

Abstract: Apparatus for sharpening a cutting tool. In some embodiments, a tool sharpener includes an abrasive medium having an abrasive surface. A stationary tool support guide provides a guide surface that supports a side of the tool during presentation of a cutting edge of the tool against the abrasive surface. A rotatable edge guide has a roller member with a curvilinearly extending outer surface. The roller member is rotatable about an edge guide roller axis and is moveable between a deployed position and a retracted position. In the deployed position, the roller member is positioned to engage, via rolling contact, the cutting edge during the presentation of the cutting edge against the abrasive surface. In the retracted position, the roller member is positioned to provide a non-contacting clearing relation with the cutting edge during said presentation.

Abstract: A unibit re-sharpening device for reconditioning the surface of worn unibits by filing them in a tapered recess. The unibit re-sharpening device comprises a device housing having a tapered recess with a diamond infused file therein, with the file connected to an integrated electric motor and high frequency mechanical vibrator, with an attachable collet for securing a conventional unibit in the tapered recess. In use, a unibit is secured in the collet and the collet is placed in the tapered recess. The power switch is then turned on, causing the motor and vibrator to vibrate the file and resulting in material being cut from the cutting edge or face of the unibit by the vibrating file. While the file is vibrating, a user can rotate the unibit to expose its whole conical surface to the file, thereby sharpening the entire unibit.

Abstract: A grinding machine for grinding an end of a spring, the machine comprising a fixed spring mounting, which is fixable in a known position in the machine, for a spring or springs and a grinding surface secured to a support structure and arranged with the support structure to relatively oscillate to and fro along an oscillation path or cycle across one end of the mounting.

Abstract: The invention relates to a device for dressing a grinding wheel, comprising a sleeve to hold a corundum rod laterally and to guide it along its longitudinal axis, a ram to apply constant thrust force onto the corundum rod held in place and guided in the sleeve, to bring it into contact with the grinding wheel, means of rigidly connecting the ram shaft to the end of the corundum rod, and linear guide means for the sleeve for translating the corundum rod parallel to the axis of the grinding wheel while keeping the rod pressed against the grinding wheel with a constant force. Application to a centerless grinder in which the grinding wheel is used to grind nuclear fuel pellets.

Abstract: An apparatus for sharpening a cutting implement has a base, a first clamping member and a second clamping member extending above the base. The clamping members have opposite top portions, bottom portions, and vertical inside surfaces substantially parallel to a vertical plane of the cutting implement. At least one guide rod is pivotably attached to the base. The guide rod distal end extends above the base at an angle to the vertical plane. An abrasive implement holder is configured to slidably move along the at least one guide rod. The abrasive implement holder has a body and holder aperture therethrough that extends along a guide rod axis and that is sized and configured to receive the guide rod. An adjustable face plate is pivotably connected to the body and defines a second angle with the guide rod axis. Pivoting the adjustable face plate changes the second angle.

Abstract: A shaving system includes a razor having a handle and a safety housing with a blade extendably received within the safety housing. An integrated sharpening system incorporates an armature receiving the razor, the armature being movable from a first position for attachment and extraction of the razor and a second position for sharpening of the blade. A sharpening mandrel is provided with a first sharpening surface for sharpening a first side of the blade and a second surface for sharpening of a second side of the blade. The sharpening mandrel is rotatable from a first position for engagement of the first sharpening surface to a second position for engagement of the second sharpening surface. The sharpening mandrel is laterally oscillated for sharpening of the blade. A controller is provided for positioning of the armature and sharpening mandrel.

Abstract: A self sharpening razor system includes a razor having a handle and a safety housing with a blade extendably received within the safety housing. An integrated sharpening system incorporates an armature receiving the razor and movable between a first position for attachment and extraction of the razor and a second position for sharpening of the blade. A sharpening mandrel is provided with sharpening surfaces for sharpening first and second sides of the blade. The sharpening mandrel is rotatable from to engage the first sharpening surface and second sharpening surface. The sharpening mandrel is laterally oscillated for sharpening of the blade. In alternative embodiments, sharpening is accomplished with reciprocating honing plates with available stropping wheels or integrated honing and stropping wheels with exposure adjustability and sharpness adjustability via honing time variance. A controller is provided for positioning of the armature and sharpening mandrel.

Abstract: Provided is a polishing apparatus capable of maintaining polishing precision although fewer expendable parts are periodically replaced. The polishing apparatus includes a polishing disk (20) having a polishing surface (20a) on the front side thereof to polish an end surface of a workpiece, a support mechanism (30) for supporting a back surface (20b) of the polishing disk (20) while allowing the polishing disk (20) to move along a predetermined plane, a workpiece holder (50) for holding the workpiece so as to contact the end surface of the workpiece with the polishing surface of the polishing disk, and a driving mechanism (70) for concurrently causing circular and reciprocating rectilinear motions of the polishing disk (20).

Abstract: A structure for deburring a ball is provided. The structure includes an arm, a gear structure for changing the effective length of the arm, and a cam structure for changing the effective angular position of the arm. A finger having an abrasive surface reciprocates on the arm. A ball is placed in a rotating holder and positioned in effective position for the abrasive surface to contact and remove at least one burr on the ball.

Abstract: A method, according to one embodiment, includes forming a lubricant film on a magnetic disk having at least a magnetic recording film above a substrate, and a protective film above the magnetic recording film, and wiping the lubricant film while rotating the substrate, e.g., at about 3.0 m/s to about 3.5 m/s by pressing a pad against a wiping cloth e.g., at a loading speed of about 12 mm/min to about 36 mm/min e.g., under a pressure of about 3 gf/mm2 to about 9 gf/mm2. The pad has a convexly curved surface in contact with the wiping cloth, and the wiping cloth is disposed so as to oppose the lubricant film. The method also includes pressing a cleaning tape which includes abrasive grains against the substrate on which the protective film and lubricant film are formed while rotating the substrate to remove protrusions. Apparatuses and forming the layers are also described.

Abstract: A method for honing a workpiece by passing a workpiece through a hone tool having a plurality of abrasive surfaces configured to remove a portion of all exterior machining surfaces of the workpiece as it is passed through the hone tool, the exterior machining surfaces being non-uniform and wherein the hone tool is configured to hone all of the exterior machining surfaces simultaneously as workpiece is passed through the hone tool. An assembly for honing a workpiece, the assembly having a plurality of hone tools each having abrasive surfaces configured to remove a portion of exterior non-uniform surfaces of a workpiece pushed through the hone tool, wherein the hone tool is configured to surround the entire periphery of the workpiece being passed therethrough.

Abstract: In one aspect, the invention is directed to a sharpener for sharpening a corner edge of a snow travel member, which may be, for example, a ski or a snowboard. The corner edge is between a bottom face and a side face of the snow travel member. The sharpener includes an angle adjustment mechanism to adjust the angle between surfaces on the sharpener that support the bottom face and side face of the snow travel member, in order to accommodate different snow travel members, that may have different angles between their bottom face and their side face. For example, the angle adjustment member may be capable of adjusting the angle between a bottom face orienting surface on the sharpener and a side face orienting surface on the sharpener between a range of angles. The range of angles may be, for example, a range from 85 degrees and 90 degrees.

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: A superabrasive wire saw-wound structure includes a superabrasive wire saw (10) formed with an average diameter D and a reel (1). The superabrasive wire saw (10) includes a core wire (11), a bonding material (12) surrounding a surface of the core wire (11), and a plurality of superabrasive grains (13) bonded to the surface of the core wire (11) with the bonding material (12). The reel (1) includes a peripheral surface (2) having one end (3) and the other end (4). The superabrasive wire saw (10) which is to be unreeled successively toward a workpiece is wound around the peripheral surface (2) reciprocatingly between the one end (3) and the other end (4) to be multi-layered. A pitch P for winding the superabrasive wire saw (10) around the peripheral surface (2) between the one end (3) and the other end (4) satisfies a relation of D<P<2D.

Abstract: When a large optical device is incorporated into a large telescope or the like, a support state and a load distribution are different from those when an object to be ground is placed on a workpiece supporting fixture of a processing machine, and a surface shape measured in a state of being mounted on the processing machine is different from a surface shape in an incorporated state. Thus, there has been no apparatus for manufacturing an optical device that is deformed by its own weight.

Abstract: A tribological system including: a tribological workpiece having a working surface adapted for moving relative to a counter-surface in a presence of a lubricant, in a load-bearing environment, the working surface for disposing generally opposite the counter-surface, the working surface having: (i) a metal surface layer; (ii) a plurality of organic particles incorporated in the metal surface layer, and (iii) a plurality of inorganic particles incorporated in the working surface, the inorganic particles having a Mohs hardness of at least 8.

Abstract: A grinding machine is provided which includes a holding table adapted to hold a workpiece; a grinding unit operative to grind the workpiece held on the holding piece; and a grinding unit transfer mechanism operative to shift the grinding unit in a direction coming close to or moving away from the workpiece. The grinding unit includes a porous pad having a large number of fine pores opposed to the workpiece held on the holding table, a gel-like slurry storing portion provided on the porous pad so as to store gel-like slurry therein, and a water supply unit operative to supply water between the porous pad and the workpiece. The porous pad contains superabrasives at least at an outer circumferential portion, and the fine pores of the porous pad each have a diameter greater than that of each of the superabrasives contained in the gel-like slurry.

Abstract: The present invention makes it possible to simplify the work of maintaining the covering performance of a covering layer by a method for maintaining a floor covering layer whereby the covering performance of a covering layer B that is formed on a floor (A) and covers the floor (A) can be maintained. In this method, the resin covering layer B having a thickness (T0) of 30 to 100 ?m is formed on the floor. The surface of the resin covering layer B is subjected to dry grinding without the use of a liquid by using grinding pads (6) and (7) provided with grinding surfaces (6a) and (7a) that move along one direction. The generated grindings are recovered, and a layering material (26) for the resin covering layer is then coated onto the resin covering layer (B) to restore the thickness (T1) of the resin covering layer (B), which has been reduced by grinding, to substantially an original thickness (T0).

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: A method and device for grinding a saw chain (26), the saw chain (26) being clamped in a position suitable for grinding. A rotating grinding disc (11) is manually transferred from an inactive position to an active position. Grinding of a cutter link (39) of the saw chain (26) is effected when the grinding disc (11) has assumed its active position. Further, the transfer of the grinding disc (11) from the inactive position to the active position is effected by a rectilinear movement that is carried out by rolling contact.

Abstract: An in-line profile sander is disclosed. The in-line profile sander includes a sander housing configured to be grasped by a user. A plurality of interchangeable profile sanding pads can be mounted at a head of the housing. The sander includes an in-line oscillating mechanism for moving the profile sanding pads in a linear oscillating motion.

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: A mechanical system for lapping a metal working surface, including: (a) a workpiece having the metal working surface; (b) a lapping tool having a contact surface, the contact surface for disposing generally opposite the working surface, the contact surface including an organic, polymeric material; (c) a plurality of particles, including abrasive particles, the abrasive particles for disposing between the contact surface and the working surface, and (d) a mechanism, associated with at least one of the working and contact surfaces, for applying a relative motion between the contact surface and the metal working surface, and for exerting a load on the contact surface and the working surface, the contact surface for providing an at least partially elastic interaction with the plurality of abrasive particles, and wherein the contact surface and the mechanism are designed and configured, and the plurality of particles is selected, such that upon activation of the mechanism, the relative motion under the load effect

Abstract: Disclosed herein is a polishing method for polishing the end surface of a wafer by using a polishing tape, wherein the end surface of the wafer is polished in the condition where a polishing liquid containing an oxidizing agent is supplied to the end surface of the wafer.

Abstract: Disclosed is a grinding machine comprising oscillating driving means (3, 4) for setting grinding means (1) into an oscillating grinding motion and an actuation device (7) that is provided with a plurality of actuation areas (8) which can be triggered such that different zones of the grinding means (1) are alternately actuated independently of the oscillating grinding motion.

Abstract: Component (3) is pressed onto a circuit board (4) so that their respective metal interconnects (5), (6) are in close contact with each other, and ultrasonic vibration is applied to the suction nozzle (14) holding the component (3). Friction is thereby generated between metal interconnects (5), (6) whereby the component (3) is bonded on circuit substrate. Suction nozzle (14) for handling components is made of stainless steel and has a working face (14a) provided with a hardened layer (14b), or alternatively, suction nozzle (14) may have a suction head (14c) having a working face (14a) made of cemented carbide. Working face (14a) of suction nozzle (14) is refined by polishing as required during the mounting operation.

Abstract: The present invention relates to a dual plate sander comprising a housing, a motor mounted in the housing, first and second transmission devices driven by the motor and eccentric shafts each rotating about a main drive shaft connected to the transmission device. Twin sanding assemblies terminating in sanding plates are mounted on respective eccentric shafts. A guiding element serves to translate the eccentric rotary motion of the eccentric shafts into opposite reciprocating movement of the sanding assemblies. The opposed reciprocating movement serves to balance the inertial forces generated by the sander and reduce oscillations.

Abstract: The object of the present invention is to provide an angle setting tool for setting the blade section of a hand scaler at a predetermined angle during sharpening of the scaler, and a hand scaler sharpening device which has a relatively simple structure, is easy to operate and do maintenance, and reduces complexity in the sharpening operation. This object is achieved by a hand scaler sharpening device including a sharpener main body having a grind stone (50) provided for reciprocating motion, and an angle setting tool (41) for setting the tip of a hand scaler at one of a plurality of predetermined angles on the grind stone (50), wherein the angle setting tool (41) has a plurality of inclined surfaces (42a, 43a, 44a) corresponding to the predetermined angles.

Abstract: A clutch device for a roller sand for controlling reciprocating movement of a roller includes a belt wheel, a connecting shaft and a adjusting button. The roller sander consists of a base, a motor set, a roller set and a linking device. The belt wheel is pivotally connected with the connecting shaft, mounted around by a belt that is also mounted around a belt wheel of a shaft of the motor set. In addition, the belt wheel of the clutch device is provided with plural fixing grooves at its front end. The adjusting button is connected with the connecting shaft, provided with a fixing bar fitting in a slot in an annular outer surface of said connecting shaft. Then the adjusting button is pushed in or pulled out to let the roller reciprocate or not. Therefore, two operating ways are optional for the roller sander.

Abstract: A workpiece-surface processing head has at least one processing tool which comes into contact with the surface to be processed and whose longitudinal axis is oriented essentially perpendicularly to the surface to be processed. The processing tool, for processing the workpieces, can be traversed by means of at least one drive device in a direction (X; Y) running at least approximately perpendicularly to its longitudinal axis.

Abstract: The polishing machine processes a workpiece put on table of body by four-directional control and is provided with a pair of columns. It comprises: first carrying unit having both ends fixed to pair of columns and having carrying part mounted on upper side; a second carrying unit being fixed to the carrying part in the direction orthogonal to the first carrying unit; third carrying unit being fixed to one end of the second carrying unit in the direction orthogonal to the second carrying unit; a tool head unit being mounted to lower side of the third carrying unit to be inclinable at predetermined angle by a tilting unit rotating at a constant angle and having driving means for rotating a polishing tool mounted at one side; and automatic constant pressure regulating means providing a predetermined virtual pressure with respect to the polishing tool mounted on the tool head unit.

Abstract: A device for use with air and electric powered and manual minisaws all of which are used with reciprocating action, to extend the functionality of the saw. The device is a sanding block having a vertical arm attached to a mounting plate on a first side of the plate. A sanding member having a top surface is glued or otherwise attached to the second side of the plate. The mount plate may be coextensive with the top surface of the sanding member. The arm includes an insertion section dimensioned to be engaged by the slot in the chuck of the saw and which insertion section is spaced from said mount plate and the rear edge of which is disposed rearward of said mount plate.

Abstract: A system and method are disclosed for edge blending hard drive head sliders by oscillating abrasive lapping tape across the edges of multiple sliders simultaneously.

Abstract: An angle-measurement assist device suitable for a visual inspection to determine a blade angle of a dental scaler is provided with a holder having a flat face thereof adapted to be in contact with a bladed portion of the scaler, a permanent magnet mounted to the holder, and first, second and third pins projecting from the holder in the directions which are perpendicular to one another, whereby an operator is permitted to make a visual inspection to determine whether the scaler is sharpened to have a target blade angle on the basis of an extending direction of the first pin, with the assist device magnetically retained on the scaler.

Abstract: A knife sharpening system for sharpening blade edges of knives. The knife sharpening system includes a base portion having an elongate guide rail having a top surface at a first level, a knife support for maintaining a blade of a knife being sharpened with its blade edge spaced apart by a horizontal distance from the guide rail and for elevating the blade on a plane at a second level which is higher than the top surface of the guide rail. A sharpening implement that is longer than the distance between the guide rail and the blade edge is provided, and placed on the blade's edge and the guide rail, and is moved thereacross to sharpen the knife edge.

Abstract: A polishing apparatus has a top ring for holding a workpiece to be polished and a polishing table movable relative to the top ring. The polishing table has a polishing surface for polishing the workpiece held by the top ring. The polishing apparatus further has a polishing liquid supply device for supplying a polishing liquid to the polishing surface. At least one of the top ring and the polishing table reciprocates linearly in a first direction. The workpiece can be polished uniformly by the polishing surface because at least one of the top ring and the polishing table reciprocates linearly in the first direction.

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 hard machining process uses a cylindrical tool (21) of ceramic or other hard machining material of comparatively low cost that provides a circular cutting edge to be engaged in cutting relation with hardened workpiece (20) to be machined. As tool cutting edge wear occurs, the tool (21) is rotated through a small angle to bring into contact with the workpiece (20) a fresh portion of the cutting edge. It is not necessary to rotate that tool (21) sufficiently to effect replacement of the entire cutting edge portion in engagement with the tool. Sufficient angular movement of the tool is made to replace that of the cutting edge that has the greatest effect on the finish of the machined workpiece (20), which is the cutting location where the removed chip is thinnest.

Abstract: A thin strip-shaped grindstone 12 is held flat under tension and moved backwards and forwards in the longitudinal direction, while the grindstone is moved in a direction perpendicular to a cylindrical ingot 1 and cuts the ingot. A metal-bonded grindstone is used as the strip-shaped grindstone 12, at least one pair of electrodes 23 are disposed adjacent to both surfaces of the metal-bonded grindstone one on each side of the ingot. The metal-bonded grindstone is made the positive electrode and DC voltage pulses are applied between the grindstone and the electrodes, and at the same time, a conducting processing fluid 25 is fed to the gaps between the metal-bonded grindstone and the electrodes, and both surfaces of the metal-bonded grindstone are dressed electrolytically on both sides while the cylindrical ingot is being cut by the metal-bonded grindstone.

Abstract: A grinding arrangement for grinding knives of a chopper drum of a forage harvester includes a movement arrangement for effecting movement of a grinding stone over the length of each of the knives, where individual locations of the knives can be associated with differing grinding times in order that the knives be ground to produce a desired cylindrical profile. A control for the movement arrangement may include either a sensor for determining the need for grinding a given knife at a precise location along the knife and the grinding time required for achieving a desired profile, or predetermined information stored in memory which operates to automatically cause a certain amount of grinding time to elapse in accordance with a specific axial position of the grinding stone.

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: An apparatus and method for polishing, especially adapted for polishing fiber optic connectors and similarly configured industrial components. The polishing apparatus includes a first stage having a first mounting member and a first staging member supported on the first mounting member for reciprocal movement along a first path; a second stage having a second mounting member supported on the first staging member and a second staging member supported on the second mounting member for reciprocal movement along a second path in angular relation to the first path; a polishing member mounted on the second staging member; and a drive mechanism operable to simultaneously reciprocate the first and second staging member along their respective paths so that the polishing member traces a predetermined pattern.

Abstract: A method and apparatus are disclosed for chemically-mechanically polishing and planarizing semiconductors. An apparatus includes first and second rollers connected by a tension belt. A polishing member is releasably attached to the first and second rollers. A method includes clamping a first portion of a continuous strip of polishing member to a first roller, clamping a second portion of the continuous strip to a second roller, applying a tension to the continuous strip and rotationally reciprocating the rollers while pressing a semiconductor wafer against the continuous strip.

Abstract: A method and machine for polishing, especially adapted for polishing fiber optic connectors and similarly configured industrial components. The polishing machine includes a first stage having a first mounting member and a first staging member supported on the first mounting member for reciprocal movement along a first path; a second stage having a second mounting member supported on the first staging member and a second staging member supported on the second mounting member for reciprocal movement along a second path in angular relation to the first path; a polishing member mounted on the second staging member; and a drive mechanism operable to simultaneously reciprocate the first and second staging member along their respective paths so that the polishing member traces a predetermined pattern.

Abstract: A honing tool has a large-diameter portion thereof provided with a plurality of stone holding recesses arranged radially from the inner bore to the outer edge for slidably holding grinding stones. Each stone holding recess is arranged to form an upper guiding facet and a lower guiding facet at the top side and the bottom side thereof, respectively as well as a couple of side guiding facets at both sides thereof. Also, each grinding stone has an upper sliding facet and a lower sliding facet provided at the top side and the bottom side thereof, respectively for sliding directly on the upper guiding facet and the lower guiding facet. Both sides of the grinding stone are side sliding facets for running directly on the side guiding facets. Moreover, the grinding stone has a tapered facet provided on an upper end thereof at the inner bore side for receiving a pressing force of a tapered rod.

Abstract: A wire saw slicing apparatus capable of slicing a cylindrical workpiece into wafers having a flat shape with reduced bow and warp. The slicing apparatus includes a layer of parallel wires moving with reciprocating or continuous movement while a workpiece is advanced through the wires, while an abrasive containing slurry is supplied. The parallel wires are wound around wire guides, wherein the outer sleeve of the wire guide has a higher thermal coefficient of expansion, and the substructure of the wire guide has a lower thermal coefficient of expansion, with the substructure having flanges at the axial ends that restrict the outer sleeve from expanding axially.