Abstract: A honing machine has at least one clamping unit that clamps a workpiece and has a rotary drive for the workpiece. A spindle unit has a stroke drive for an inner honing tool for inner honing of the workpiece. An outer honing device that is movable relative to the workpiece in an axial direction of the workpiece is provided. The outer honing device has several honing stones and an advancing device acting on the honing stones. The honing stones each are advanced in a radial direction relative to the workpiece. The advancing device has at least one linear drive for each one of the honing stones and a common drive motor for all of the linear drives.

Abstract: A position adjustment mechanism for grinding wheels includes a rotating body, a first grinding unit, a second grinding unit, and a fixing nut. The rotating body includes a fixing surface and a first thread portion. The first grinding unit includes a first grinding portion and a fixing portion fixedly engaged with the fixing surface. The second grinding unit includes a second thread portion, which is threadedly engaged with the first thread portion of the rotating body, and a second grinding portion which is spaced from the first grinding portion and which has a different grinding precision from that of the first grinding portion. The fixing nut is threadedly engaged with the first thread portion, and presses axially against the second grinding unit. Thereby, a rough grinding and a fine grinding can be accomplished together within a grinding process, and adjustment on a spacing between the two grinding wheels becomes easy.

Abstract: An arm 21 has a shape for grasping a part in a circumferential direction of a tool holder 7. The arm 21 is connected to the tool holder 7 with a bolt 23 inserted into a fixing hole 22 provided in a base side portion of the arm 21. A tapped hole 25 used for exchangeably attaching a cutting tool 24 is formed in a tip side portion of the arm 21. A groove part 26 extending in parallel to an axis of the tool holder 7 is formed in a position close to the base portion of the arm 21. Owing to the groove part 26, the arm 21 works as an elastic hinge when an external force is applied, so as to increase or decrease a radial dimension of the cutting tool 24 while keeping its parallelism to the axis of the tool.

Abstract: A honing machine has at least one clamping unit that clamps a workpiece and has a rotary drive for the workpiece. A spindle unit has a stroke drive for an inner honing tool for inner honing of the workpiece. An outer honing device that is movable relative to the workpiece in an axial direction of the workpiece is provided. The outer honing device has several honing stones and an advancing device acting on the honing stones. The honing stones each are advanced in a radial direction relative to the workpiece. The advancing device has at least one linear drive for each one of the honing stones and a common drive motor for all of the linear drives.

Abstract: To provide a linear abrasive brush member, in which filament parts are hardly broken, a substrate part is excellent in deformability, and also, abrasion ability is excellent. A linear abrasive brush member comprising: an embedded core material (9); a rod-shaped substrate part (7) having opposite long-narrow upper and bottom faces; and a plurality of filament parts (8) present on the upper surface along the longitudinal direction; and the substrate part and the filament parts being integrally molded from a resin composition.

Abstract: The invention relates to a method of coupling a honing tool (2) to a honing spindle (1), a honing spindle suitable therefor, a honing tool suitable therefor and a honing device comprising a honing spindle and a honing tool. According to the invention, a method of coupling a honing tool to a honing spindle is proposed which has the following steps: inserting the honing tool into the honing spindle into a joining position in which a honing-tool centre axis (24) is oriented coaxially to the honing-spindle centre axis (23); locking the honing tool on the honing spindle in the joining position by actuating an adjusting device (5, 6) assigned to the honing spindle. Furthermore, a honing spindle, a honing tool and a honing device which are suitable for carrying out the method are provided.

Abstract: A tool for removing material from a surface includes a body defining a longitudinal bore and an opening connecting an outer surface of the body to the longitudinal bore. A cutting element comprising a cutting surface is dimensioned to be at least partially received by the opening. The cutting surface is configured to translate from a first position to a second position in response to a centrifugal force. In the second position the cutting surface is extended outwardly through the opening, beyond the outer surface of the body. In one example, the tool may be used to remove material, such as oxidation, from the inner walls of a cylindrical article selected from a pipe and a tube.

Abstract: A method of machining the internal bore of a hollow pipe comprises honing material from inner surface of the bore the pipe. A honing apparatus for use in the method comprises a machining tool comprising a honing head adapted for insertion into the end of a pipe to remove material from the inner surface of the pipe by abrasion.

Abstract: An arm 21 has a shape for grasping a part in a circumferential direction of a tool holder 7. The arm 21 is connected to the tool holder 7 with a bolt 23 inserted into a fixing hole 22 provided in a base side portion of the arm 21. A tapped hole 25 used for exchangeably attaching a cutting tool 24 is formed in a tip side portion of the arm 21. A groove part 26 extending in parallel to an axis of the tool holder 7 is formed in a position close to the base portion of the arm 21. Owing to the groove part 26, the arm 21 works as an elastic hinge when an external force is applied, so as to increase or decrease a radial dimension of the cutting tool 24 while keeping its parallelism to the axis of the tool.

Abstract: Described herein is technology for, among other things, a multi-purpose sanding or filing apparatus. The apparatus includes a motor, a plurality of drive mechanisms in mechanical communication with the motor, and a plurality of drums, where each of the drums has an axis passing therethrough, the drums are coupled with respective drive mechanisms, and the drive mechanisms are operable to rotate the drums about their respective axes.

Abstract: A polishing machine for optical elements, comprising:—a spindle arranged to rotationally drive an optical element;—a polishing tool mobile relative to the spindle; wherein the polishing machine further comprises a platform mounted on top of a work chamber, the work chamber comprising the spindle, and the platform holding a body on which is mounted the polishing tool.

Abstract: The present invention is a carrier for a double-side polishing apparatus in which, in a double-side polishing apparatus, the carrier is set between upper and lower turn tables to which polishing pads are attached, and a holding hole to hold a wafer sandwiched between the upper and lower turn tables in polishing is formed in the carrier, wherein the carrier is made of titanium. Thereby, there is provided a carrier for a double-side polishing apparatus in which the strength of the carrier itself is high, and at the same time, contamination of a wafer such as a silicon wafer by impurities is suppressed, and sag in a peripheral portion of the wafer after being polished is suppressed.

Abstract: The present invention discloses a holding device for a rotary tool, which is mainly used to hold a rotary tool, such as a wire brush wheel for removing rough edges, and the user should sleeves the wire brush wheel over the holding device before operation. In the present invention, the holding disc has a cylindrical portion, which can simplify the assembling of the rotary tool, and the holding disc together with the cylindrical portion is fabricated into an integral one-piece part. The design that the rotary tool completely sleeves the cylindrical portion of the first holding disc makes the support of the rotary tool more reliable. Besides, all the steel bristles are retarded by the cylindrical portion, and no gap will allow the steel bristles to shrink inward; therefore, the working efficiency of the rotary tool is promoted.

Abstract: A machine tool is provided, in particular for the synchronous machining of workpieces. The tool includes two or more spindle units (2, 3), which run parallel in a machining unit and are designed to hold tools and repositioning devices for the precise adjustment of the position of the spindle units (2, 3) in relation to one another, preferably in all three directions x, y and z of the orthogonal co-ordinate system in the machining unit (4). The repositioning devices for displacing at least one of the spindle units (2, 3), at least in an x and/or y direction, include an eccentric bush (5, 6), which can be rotated about a central shaft (B1, B2) and locked and in which the spindle units (2, 3) are mounted eccentrically, parallel to the central shaft (B1, B2).

Abstract: Systems and methods for conditioning polishing pads are disclosed. A system in accordance with one embodiment of the invention includes a polishing support configured to carry a microfeature workpiece polishing pad, and a conditioner positioned at least proximate to the support to condition a polishing pad carried by the support. The conditioner can include a first portion (e.g., an abrasive portion) having a first hardness and being positioned to contact a polishing pad carried by the support, and a second portion (e.g., a brush portion) having a second hardness less than the first hardness and being positioned proximate to the first portion.

Abstract: An amlodipine maleate pharmaceutical composition is provided with good stability when formulated with a pH within the range of 5.5 to 7, when measured as a 20 wt % aqueous slurry. The stability can also be aided by making the pharmaceutical composition from amlodipine maleate particles having an average particle size of greater than 20 microns, preferably greater than 100 microns.

Abstract: An abrading machine is disclosed for abrasion of substantially plane items by use of rotating abrading discs, which are moved simultaneously forwards and backwards transverse to the item and which preferably has downward extending abrasive lamellae. The machine also preferably includes one, typically two, opposite rotating abrading cylinders fitted with elongated abrasive elements radially mounted on the abrading cylinder and has abrasive lamellae extending outwards from the cylinder. By moving the abrading discs in a reciprocatory movement transverse to the direction of feed of the items it is achieved that traces etc. from the different abrasive properties of the abrading discs are eliminated as well as all parts of milled out areas etc. are evenly abraded, particularly if the abrading device is designed for using abrading discs with abrasive means comprising abrasive lamellae made of abrasive cloth and which extend downwards from the face of the abrading disc.

Abstract: A tube cleaning device having a pair of jaws pivotally mounted on a frame and having opposed abrading surfaces defining an abrasion cavity, a mandrel fixed to the frame and extending axially thru the cavity for slidably receiving a tube end to be cleaned, spring structure forcing the abrading surfaces toward each other and laterally toward the mandrel, and a rotator knob on the frame for rotating the device in either direction around a tube end positioned on the mandrel.

Abstract: A sanding strip with a sanding means for a sanding wheel mounted on a rotatable axle is provided. The sanding strip includes brushes placed in spaced brunches in a profile rail, where the sanding means are fastened directly to the front of the brushes outside the profile rail, preferably by means of extended glue which penetrates into the spaces between the brush bunches, whereby there is achieved an effective anchoring of the sanding means, and a sanding strip which is flexible to accommodate outwards bending in the sideways directions.

Abstract: A lapping tool capable of increasing the accuracy of a lapping operation, extending the life of lapping tool itself, adjusting a lapping diameter, and coping with the lapping operation of various diameters, comprising a lapping tool body having a lapping part on the outer peripheral surface thereof and slits provided in the lapping tool body axially between the tip part and the base part thereof.

Abstract: A holder for an abrasive disc allows for a quick manual change of the abrasive disc. The holder including an uncoupling mechanism that in turn includes a handle comprising a pin and an adjacent hub comprising a partial annular channel. The handle and hub have a limited rotational engagement wherein the pin travels in the channel. When an operator desires to replace an abrasive disc, the operator grasps the handle with one hand and rotates the disc, face plate, and hub, together as a unit, with the other hand. This counter-rotation breaks the tight attachment of the disc on the shaft of the finishing tool, so that disc can be easily unthreaded from the shaft.

Abstract: An expandable wheel for supporting an endless abrasive belt. The present invention relates more particularly to an expandable wheel for supporting an endless abrasive belt, which includes an hub having an axis and a plurality of wheel segments engaged with the hub, where the hub and the plurality of wheel segments are adapted to rotate about the axis, and where the plurality of wheel segments are movable between a first radial position and a second radial position.

Abstract: The application describes a honing tool for use with a CNC machine. A fluid actuator provides the mechanism for causing radial adjustment of abrasive elements. The actuator consists of a piston and cylinder assembly mounted within the tool and powered by the through the tool cooling fluid of the CNC machine.

Abstract: A rotary honing tool includes a rotatable body member mounted on a shaft and having attached rotatable honing arms as well as a band or collar fitted about the body. The collar is engaged with the body by means of a lug on the collar fitted into a channel on the outside face of the cylindrical body. The collar may be rotatably displaced to control radial extention of the honing arms.

Abstract: A device for honing blind bores in parts, a blind bore including a cylindrical bore open at one end and closed adjacent to the opposite end including a honing mandrel for mounting on a honing machine that produces rotation thereof, the mandrel having a cylindrical honing portion adjacent one end which portion and the adjacent portion of the mandrel have spaced axially extending slot therethrough to enable the honing portion of the mandrel to expand and contract in size, the honing portion having a portion adjacent to the end thereof which is somewhat larger than the rest of the honing portion when the honing portion is expanded for honing in the blind hole, the end portions of the mandrel between the spaced slots being elastically expandable from a retracted position which is less than the diameter of the surface to be honed to enable insertion therein to a more expanded condition wherein the diameter of the honing portion at the largest point is the diameter at which the mandrel will hone the blind hole.

Abstract: This invention provides an abrasive brush having strength and abrasive characteristics similar or superior to those of conventional brushes, and which allows a brush assembly having a desired width dimension and a desired brush surface hardness to be readily and easily assembled. A disk-shaped abrasive brush 1 includes a radial inner hub 5 and a radial outer brush section 3, preferably the hub 5 being integrally formed with the brush section 3. The hub 5 is provided with a flat part, a recessed part 9, 11, and a projecting part 7. When two adjacent abrasive brushes are aligned adjacent to each other, the flat, recessed and projecting parts of the abrasive brushes are engaged with each other and define a pitch between the abrasive brushes.

Abstract: This invention provides an abrasive brush having strength and abrasive characteristics similar or superior to those of conventional brushes, and which allows a brush assembly having a desired width dimension and a desired brush surface hardness to be readily and easily assembled.

Abstract: A brush cutter adapted to be driven in rotary motion by a conventional machine tool. The brush cutter includes an annular wall having a cylindrical outer surface defining a longitudinal center axis. Front and rear faces are connected to opposing ends of the cylindrical outer surface. An arbor bore and a counterbore are concentrically disposed and coaxially aligned with the center axis. A plurality of brush assemblies are received within a plurality of circumferentially spaced axial and radial receiving bores. The axial receiving bores extend axially inwardly from the front face and the radial receiving bores extend radially inwardly from the cylindrical outer surface.

Abstract: A brush cutter adapted to be driven in rotary motion by a conventional machine tool. The brush cutter includes an annular wall having a cylindrical outer surface defining a longitudinal center axis. Front and rear faces are connected to opposing ends of the cylindrical outer surface. An arbor bore and a counterbore are concentrically disposed and coaxially aligned with the center axis. A plurality of brush assemblies are received within a plurality of circumferentially spaced axial and radial receiving bores. The axial receiving bores extend axially inwardly from the front face and the radial receiving bores extend radially inwardly from the cylindrical outer surface.

Abstract: A sanding brush assembly, includes a metallic base body formed with a plurality of grooves in spaced-apart disposition about its circumference or formed on its end face. Detachably received in form-fitting or force-fitting engagement in each of the grooves is a clamping element which supports a strip brush carrying an array of bristles. Disposed between successive strip brushes and supported by the strip brushes are respective sanding segments, whereby each sanding segment is mounted together with the associated clamping element of the strip brush by a flexible footing in the pertaining groove.

Abstract: A mechanism for honing non round cylinder bores includes a tool body rotatable around a nonrotatable cam with a non round peripheral cam surface and a plurality of honing stones carried by supports for generally radial movement in the tool body. In a preferred embodiment, the supports are swing arms pivotally mounted so that the honing stones follow generally radially oriented arcuate paths determined by cam followers carried by the swing arms. A separately controlled expansion actuating rod axially adjusts expansion shoes that wedge outward stone shoes carried by the swing arms to progressively remove stock from the cylinder and to compensate for wear of the honing stones. Assembly with an associated machine adapter supports the honing mechanism and connects with a conventional honing machine to drive and orient the assembly for accurately honing non round cylinder bores.

Abstract: A honing member for use in honing the external cylindrical surface of a workpiece comprising an elongated annular member having a passageway extending the entire length therethrough, the inner annular surface of such passageway having abrasive particles attached directly thereto or formed integrally therewith, the inner annular surface being substantially cylindrical in shape and having at least one tapered portion adjacent one end portion of the honing member, and a slot formed through one side portion of the annular member extending the full length thereof to facilitate expansion and contraction thereof to radially adjust the diameter of the inner surface of the annular member.

Abstract: In one embodiment, a support member on an abrasive wheel has (a) an annular surface which fixedly supports (as by epoxy) a plurality of flaps in a partially overlapping relationship between successive flaps and (b) a central hole for receiving a mandrel which rotates the wheel. Each flap has on one of its surfaces abrasive particles facing outwardly from the annular surface. Each flap defines an acute angle with the annular surface and preferably extends at its opposite axial ends beyond the axial positions of support by such support surface to obtain a fixed positioning of the flaps relative to the support surface even at the axial positions beyond the axial ends of such annular surface. In a second embodiment, the flaps are disposed on the annular support surface in a tighter relationship than in the first embodiment so that each flap contacts adjacent flaps along a portion of its length.

Abstract: An automotive aluminum wheel abrading/polishing tool is disclosed. The abrading/polishing tool includes a substantially circular, resilient, central layer of non-woven material. A first plurality of individual, circumferentially offset, layers or strips of scored sandpaper or other coated abrasive material are secured to a first side of the non-woven material. A second plurality of individual, circumferentially offset, layers or strips of scored sandpaper or other coated abrasive material are secured to a second side of the non-woven material. The strips of abrasive material function in the removal of burrs or excess aluminum, and the non-woven material produces a uniform finish by polishing a work piece surface. The strips of abrasive material and the non-woven material cooperate to define an axially resilient circumferential end edge which effectively abrades and polishes highly contoured workpiece surfaces.

Abstract: An abrasive wheel is partially defined by a support member and by a plurality of abrasive flaps on such member. A hole is disposed centrally in the support member to receive a mandrel for rotating the wheel. The support member has at its radial periphery an annular surface with a constant radius at progressive positions in the annular direction. The flaps are fixedly supported (as by epoxy) on the annular surface in a partially overlapping relationship between successive pairs of flaps. Each of the flaps has abrasive particles on one of its surfaces. Each of the flaps is disposed on the annular surface of the support member with the abrasive particles facing outwardly from such support surface. Each of the flaps defines an acute angle with the annular surface and extends at its opposite axial ends beyond the axial positions of support by such support surface.

Abstract: An injection molded disposable honing tool is made by an injection molding process. The tool has an elongated rectangular base from which projects an elongated section which may be somewhat smaller. The elongated section terminates in a working face. The entire tool may incorporate abrasive therein homogeneously or simply the elongated section which terminates in the working face. A shot of a plastic melt such as nylon is formed with abrasive mixed homogeneously which is then injected into a mold. For higher cost abrasive, a two shot process may be used with one shot being abrasive free. Alternatively, an abrasive-free insert may be placed in the mold before the abrasive mix is injected. The surface of the working face may be formed to act as a working face of closely packed fingers by placing patterns in the mold surface forming the working face, or subsequently cutting the working face, or a combination of both.

Abstract: A rotating tool includes e hub having a central section for attaching the hub to a rotatable shaft and a disc-shaped hub section surrounding the central section. The central section and the hub section are comprised of an elastomeric material and formed as a unitary body. A plurality of sleeves are embedded in the hub section with each sleeve having an end terminating in the hub section and an opposing end protruding from the hub section. The protruding ends are spaced around the circumference of the hub section. Working tips are fastened in the protruding end of each sleeve. Each working tip has a base disposed in the protruding end of the sleeve and a tip protruding from that end of the sleeve. In an alternative embodiments, the hub section has a plurality of projections in which the sleeves are embedded.

Abstract: An apparatus for microfinishing an interior cylindrical surface. The apparatus includes a mechanism which holds and rotates the workpiece about an axis. A tool, having radially directed work areas, is positioned within the workpiece and causes a strip of abrasive sheet material, positioned over the work areas, to engage the rotating workpiece. With the abrasive sheet material engaging the rotating workpiece, the tool is axially oscillated.

Abstract: A honing device for mounting on a honing tool for rotation therewith including a backing material having opposite end surfaces, opposite side surfaces, and an edge surface extending between the opposed end and side surfaces, and a layer of an abrasive such as a superabrasive material and a binder attached onto one of the side faces and extending therealong to the edge surface whereby an edge of the abrasive layer and the adjacent edge surface engage the workpiece surface to be honed.