Abstract: An apparatus for finishing a cut edge of a glass laminate includes a support including a surface and an edge, a rail disposed adjacent the support and extending substantially parallel to the edge, a carrier coupled to the rail, and a finishing tool coupled to the carrier and including an abrasive surface positioned adjacent the edge. The carrier is translatable along the rail to translate the abrasive surface relative to the edge. A method includes securing a glass laminate to a support and contacting a cut edge of the glass laminate with an abrasive surface of a finishing tool coupled to a carrier. The carrier is translated along a rail to move the abrasive surface along the cut edge of the glass laminate and transform the cut edge into a finished edge. The glass laminate can have an edge strength of at least about 100 MPa.

Abstract: A grinding and/or polishing machine (10) for slabs of stone material, such as natural or agglomerated stone, ceramic or glass, comprises a support bench (12) for the slabs to be machined and at least one machining station (14) with a pair of bridge-like support structures (16, 18) arranged opposite each other with, above, a beam supporting a plurality of machining spindles (26). First relative movement means (19) move the slab in a longitudinal direction with respect to the machining station (14), while the beam moves transversely with respect to its length by means of second movement means (21). Each spindle is supported on the beam so that it can be swivelled by associated movement means (34, 35, 40, 50, 60) about an oscillation axis (33) which is parallel to, but separate from the motorized vertical axis (32) of the spindle.

Abstract: The invention relates to a device (10) and a method for processing brake pads (44) fitted on pad holders (46), comprising a conveying device (16) for continuous and automatic movement of brake pads (44) to be processed and at least one processing station (12). The conveying device (16) of a device according to the invention (10) comprises several bearing faces, which are driven in a revolving manner by the conveying device (16), for the arrangement of pad holders (46) of the brake pads (44) to be processed and positioning means revolving with the bearing faces, said positioning means counteracting a rotation of the pad holders (46).

Abstract: A glass treatment apparatus comprise at least one upstream working device including a working wheel configured to rotate such that a working surface of the working wheel machines a surface portion of a glass sheet. The glass treatment apparatus further includes a downstream working device includes a working wheel comprising a cleaning wheel. In further examples, methods of treating glass comprise the step of machining a surface portion of a glass sheet with a working surface of a first rotating working wheel and the step of machining the surface portion of the glass sheet with a working surface of a second rotating working wheel comprising a cleaning wheel.

Abstract: An automatic machine for drilling and milling substantially flat glass sheets shape, comprising includes a machine body; an input conveyor provided with a motorized roller conveyor or roller belt that conveys the glass sheet by its lower edge; an input conveyance surface provided with idle gliding wheels; an output conveyor provided with a motorized roller conveyor or motorized belt that conveys the glass sheet by means of its lower edge; and an output conveyance surface provided with idle gliding wheels. The machine further includes at least one carriage provided with synchronous horizontal motion along the longitudinal axis X2; and at least one pair of working heads provided independently with a synchronous vertical motion for adjustment and feeding along the axes Y1 and Y2, wherein, each head bears a tool provided with rotary motion (cutting) and feeding motion along the axes Z1 and Z2.

Abstract: A method for smoothing and/or polishing slabs of stone or stone-like material suitable for being implemented with a machine comprising: a support bench (16) for a slab to be machined; and at least one machining station (14). The machining station comprises two bridge support structures (20, 22) arranged transversely astride the support bench (16). A spindle-carrying beam (24), in suitable for being moved above the bridge structures in a transverse direction, is provided on the bridge support structures (20, 22). At least one spindle-carrying structure (34), suitable for being rotated about its own vertical axis (32), is provided on the spindle-carrying beam (24). Each spindle-carrying structure (34) is provided with two motorized spindles (38A, 38B), the ends of which are provided with machining heads (42A, 42B) arranged spaced apart and opposite each other with respect to the vertical axis (32) of the spindle-carrying structure (34) and comprising machining tools (44A, 44B).

Abstract: A grinding wheel is suited for shaping glass, notably glass that is less than or equal to 4 mm thick. This grinding wheel has at least one abrasive portion formed of at least one metal binder and of diamonds distributed in the binder. The binder has a Rockwell B hardness of between 95 and 105 and is tungsten-based. The diamonds have a size of between 75 and 95 ?m and a concentration of between 2.2 ct/cm3 and 2.64 ct/cm3. Glass, in particular for shaping motor-vehicle glazing units, can be shaped with this grinding wheel, making it possible to achieve travel speeds greater than or equal to 30 m/min.

Abstract: A machine for smoothing or polishing slabs of stone material, such as natural and agglomerated stone, ceramic and glass, comprises a longitudinal bench (12) over which the slabs to be machined move, at least one pair of opposite bridge support structures (20, 22) arranged astride the bench, and at least one beam (24) transversally movable and supported by said bridge structures. At least one vertical-axis and vertically movable mandrel (40) is mounted eccentrically on a mandrel supporting structure (30) which rotates about its vertical axis (Z1) and is supported on said beam (24). The mandrel has, mounted on its bottom end, a device carrying the smoothing or polishing tools and rotating about the axis of rotation of said mandrel. In this way, the tool carrying device performs a movement composed of the rotation about the axis of rotation of the mandrel, a revolving movement about the axis of rotation of the mandrel carrying structure and a translation movement due to the movement of the beam.

Abstract: An acrylic polisher includes: a base with two oppositely disposed sideboards with a notch on each of them and a disposition surface in between, a cutting blade set performing a cutting process along the edge of the disposition surface, a stopping board driven by a driving device to move up and downs with respect to the disposition surface. When the stopping board moves downward to the side of the disposition surface, a machining span is formed between the stopping board and the disposition surface. Therefore, as the stopping board lowers to the side of the base, the operator only needs to push an acrylic object toward the stopping board and can quickly obtain the required machining span. The notches on the sideboards of the base form an open space around the disposition surface. The length of the acrylic object is thus not restricted.

Abstract: The invention relates to a method for contour grinding wide blades at high speed, according to which a wheel (1) is used the grinding contour of which has a width dimension that is less than the width of the tip of the blades to be ground, said contour being defined by a straight area followed by an arched area at one end, with the straight area of which a straight grinding is carried out to deburr the tip of the blades, whereas with the arched area the contour grinding is carried out by the interpolation of axes.

Abstract: The corners of a sheet of glass travelling in a longitudinal direction are ground by a grinding assembly having a fixed frame; a movable frame; a grinding wheel; a supporting arm supporting the grinding wheel and fitted to the movable frame; and an actuating device interposed between the fixed frame and the movable frame, and having a first powered guide-slide assembly for moving the movable frame in a direction parallel to a longitudinal travelling direction of the sheet, and a second powered guide-slide assembly for moving the movable frame with respect to the fixed frame in a direction perpendicular to the longitudinal direction; the grinding assembly also having a locator fixed to the supporting arm and defining a stop to keep the sheet at a distance from the grinding wheel; and a compensating device interposed between the supporting arm and the movable frame, and having a third guide-slide assembly and a flexible controlled-damping device.

Abstract: A polishing system and a method are presented for uniformly polishing efficiently at a fast rate the surface of a tape-like metallic base material of several hundred meters in length. The polishing system is provided not only with devices for causing the base material to travel continuously and applying a specified tension in the base material but also with a first polishing device for randomly polishing the target surface and a second polishing device for carrying out a final polishing on the target surface in the direction of travel of the base material. Polishing marks are formed in the direction of travel on the target surface by the final polishing.

Abstract: The present invention is directed to an apparatus for grinding or polishing at least one edge of a glass substrate. The apparatus includes a grinding unit configured to remove a predetermined amount of material from the edge when in an aligned position. The grinding unit applies a predetermined force normal to the edge. An air bearing slide system is coupled to the grinding unit. The air bearing slide system is configured to slide along a predetermined axis on a thin film of pressurized air that provides a zero friction load bearing interface. A linear actuation motor is coupled to the air bearing slide system. The linear actuation motor is configured to control the movement of the air bearing slide system such that the grinding unit is moved from a non-aligned position to the aligned position.

Abstract: A method for making toothbrushes includes the steps of, providing a toothbrush, and providing an end-rounder secured to a support. The support is substantially fixed against movement. The toothbrush is moved towards the end-rounder such that free ends of bristles secured to a head of the toothbrush are rounded by the end-rounder.

Abstract: In a grinding machine with a grinding means for machining a workpiece surface which can be moved in a direction of conveyance relative to the grinding means and is arranged in a machining plane, wherein the grinding means has a large number of grinding heads with grinding elements (8) rotating about a respective shaft, and the grinding heads can be moved by means of an endlessly revolving transporting means (1) in a grinding region (3) by deflection about deflection rollers via rectilinear portions in a grinding region at an angle to the direction of conveyance, improved grinding results are facilitated as a result of increased degrees of freedom in the setting of the grinding parameters without high costs for drive motors if a drive means (13), with which the grinding elements (8) are driven in rotation by a common motor provided for rotationally driving these grinding elements (8), is provided for at least one group of a plurality of grinding elements (8), and in that the drive means (13) consists of a flex

Abstract: A polishing system and a method are presented for uniformly polishing efficiently at a fast rate the surface of a tape-like metallic base material of several hundred meters in length. The polishing system is provided not only with devices for causing the base material to travel continuously and applying a specified tension in the base material but also with a first polishing device for randomly polishing the target surface and a second polishing device for carrying out a final polishing on the target surface in the direction of travel of the base material. Polishing marks are formed in the direction of travel on the target surface by the final polishing.

Abstract: An assembly for surface finishing, comprising a pair of heads which are movable on linear slides. Each head comprises a series of cup brushes that finish the surface of the workpiece. The two heads are tied to a single motor/gearbox combination by a crankshaft which allows each head to move with a phase relationship determined by the linkage to counterbalance the motions and acceleration forces against each other. By counterbalancing the heads in this manner, faster oscillation speeds can be achieved without undesirable vibration. The result is a better treatment of the surface of the workpiece.

Abstract: An apparatus is described for reworking a steel edge of a ski (1), comprising at least one grinding apparatus (16) made of a cup-like grinding wheel (18) which is driven by a motor (17) and comprises a rotational axis extending transversally to the direction of feed (10), a bearing block (15) arranged on a feed carriage (9) which forms an oscillating axis (b) for the grinding device (16) extending transversally to the direction of feed (10) and perpendicular to the rotational axis of the grinding wheel (18), a guide means (8) for the feed carriage (9) which is held in a transverse carriage (6) movable transversally to the direction of feed and is rotatable about an axis (a) extending in the direction of feed, and an adjusting device for the angular position of the guide means (8) of the feed carriage (9).

Abstract: A single-use grinding tool includes a wheel portion having a profiled recess (e.g., such as a U, V, or bowl shape) extending circumferentially along the wheel portion's periphery. A multi-layered bonded abrasive (e.g., 3-dimensional matrix of abrasive grains and bond material, or multiple layers of abrasive tape) is conformably coated or otherwise applied in a uniform thickness along the profiled recess. The bonded abrasive in one particular case includes a metal bond with diamonds. However, organic, resinous, vitrified, and hybrid bonds, as well as other abrasive grit types, can be used. The wheel portion is supported by an arbor portion which may be removably coupled to the wheel portion, or formed integrally with the wheel portion. The tool is useful, for example, in edge grinding a workpiece, such as sheet glass. Methods of tool use and tool manufacture are disclosed as well.

Abstract: In comparison with the prior art the present machine offers many important advantages. Concerning the practicalness, the working processes are simpler and there is less wear and tear in the movable parts. Concerning the construction, the present machine avoids the utilization of the conventional supporting units needed to permit an angular movement along a curved path. As is known, the said supporting units are complex and costly. The peculiarity of the present invention is that a head holding unit (1) comprises a plurality of motorized spindles provided with respective polishing tools or grinders (3) and is mounted at its two ends on fulcrum-type supports (4). In the present case, the supports (4) are horizontal shafts disposed on ball bearings.

Abstract: The present invention relates to a rubbing machine with realigning functions for use in an LCD manufacturing process and also to a rubbing method which is conducted using the same. The rubbing machine is used to determine the direction of alignment by rubbing an alignment film coated on a substrate disposed on a stage. In this rubbing machine, an realigning section for realigning a rubbing cloth is disposed on the portion of a rubbing roll in such a manner that the realigning section be in contact with the rubbing cloth.

Abstract: A sharpener includes a motor driven shaft with at least one slidably mounted sharpening assembly consisting of a supporting hub structure mounted by its central bore hole on the shaft. The hub structure supports a symmetrically shaped rotating surface containing an ultra fine abrasive material. The rotating surface is pressed with a force of less than 0.2 lb. by a spring action to make sustained rotating abrading contact with a facet of a knife positioned by a knife guide to align the facet into contact with the surface containing the abrasive materials.

Abstract: A scuffing machine is provided for finishing the surfaces of continuously advancing wood products. The machine includes a frame defining a scuffing station, with a conveyor for transporting the wood products through the scuffing station in a generally horizontal feeding direction. A plurality of scuffing brushes are mounted on the frame at the scuffing station for rotation about vertical axes. Each scuffing brush includes a plurality of elongated, vertically extending bristles which terminate in distal ends for engaging the wood products.

Abstract: Described is an apparatus for the processing of substantially planar workpieces, which can be moved in a transport plane relatively to the apparatus. The apparatus contains at least one grinding head with a tool carrier rotatable around a carrier axis which is orthogonal with respect to the conveyor plane and with several grinding brushes containing a brush body and bristles attached thereto being mounted to the tool carrier so that they can be rotated individually around individual brush axes, the ends of the bristles of the very same grinding brush being arranged at various distances to the transport plane.

Abstract: An apparatus for grinding and polishing without visible flaws a variety of different size and shape full-lead crystal workpieces. A conveyor supports the workpieces and runs through the apparatus housing. A workpiece calibrator is located proximate the entrance end of the housing. A plurality of grinders having an abrasive grinding surface within a range of coarseness are located downline of the calibrator. A plurality of polishers are located downline of the grinders. Control means raises and lowers the calibrator, grinders and polishers relative to the belt conveyor and the unfinished surface of the workpiece supported thereon. A method of automatically making a finished full-lead crystal ornament using an automated machine having a housing, conveyor, a plurality of motor-driven grinding heads, and a plurality of motor-driven polishing heads.

Abstract: The invention is related to a device far processing substantially flat workpieces, said device comprising a transport surface for transporting each of the workpieces through the device, and a processing unit, comprising of a processing element having an abrasive surface and being movable parallel to the transport surface in order to come into contact with each of the workpieces to be processed, a driving shaft and a carrier connected thereto for supporting the processing element, the driving shaft being tranversally positioned with respect to the carrier and the processing element comprising support members for supporting the abrasive surface, said support members being positioned at an angle of less than 90° with respect to the processing element, by which a multi-sided processing of the workpiece is achieved.

Abstract: An electrically driven grinder for ceramic cutlery 1 has a rough machining diamond abrasive wheel 2 comprising a disc-shaped member provided with a grinding surface on its periphery and a finishing machining diamond abrasive wheel comprising a substantially disc-shaped member provided with grinding surfaces forming a V-shaped groove on its periphery, both of which are attached onto a rotary shaft coupled to a motor, as well as has a cover member provided with guide slots for directing an edge of ceramic cutlery to the grinding surfaces of the respective diamond abrasive wheels, wherein an angle &agr; defined between the grinding surfaces 32 forming the V-shaped groove of the finishing abrasive wheel and a plane orthogonal to the rotary shaft 4 is set to 10 to 20 degrees, and an angle defined between at least the guide slot 10 of the cover member 8 and a plane orthogonal to the rotary shaft s set to 12 to 18 degrees.

Abstract: A system for enhancing the surfaces of building blocks by cutting or grinding away material from the surface to be enhanced. A building block is placed on a conveyer belt which moves the block passed three rotating cutting apparatus each of which is independently powered. Each of the cutting apparatus is independently adjustable in the vertical direction and all three cutting apparatus may be adjusted simultaneously. The system may also be pivoted to allow an enhanced beveled surface to be formed on the building blocks. Also included is a water system for cooling the cutting apparatus and the building block, and an oil system for lubricating the cutting apparatus.

Abstract: A brush deburring machine includes upper and lower synchronized dogged conveyors that translate workpieces between a pair of cylindrical wire brushes to remove burrs from the ends of the workpieces. A first support surface is defined on each of the dogs of the upper conveyor, and a second support surface is defined on each of the dogs of the lower conveyor. Workpieces are retained between the first and second support surfaces to prevent the workpieces from becoming unstable and shifting diagonally between the wire brushes, yet are permitted to rotate with respect to the first and second support surfaces to cause the entire circumference of the ends of the workpieces to be deburred.

Abstract: An apparatus for grinding and polishing without visible flaws a variety of different size and shape full-lead crystal workpieces. A conveyor supports the workpieces and runs through the apparatus housing. A workpiece calibrator is located proximate the entrance end of the housing. A plurality of grinders having an abrasive grinding surface within a range of coarseness are located downline of the calibrator. A plurality of polishers are located downline of the grinders. Control means raises and lowers the calibrator, grinders and polishers relative to the belt conveyor and the unfinished surface of the workpiece supported thereon.A method of automatically making a finished full-lead crystal ornament using an automated machine having a housing, conveyor, a plurality of motor-driven grinding heads, and a plurality of motor-driven polishing heads.

Abstract: The protruding edge of a plastic sheet in a laminated safety glass panel can be removed, or trimmed, by moving the panel edgewise over a rotating grinding wheel, such that fragments generated by the wheel are directed away from the feed path of the panel. The grinding wheel is resiliently supported by an air cylinder that maintains a desired contact pressure between the edge surface of the wheel and the protruding edge of the plastic sheet.

Abstract: There is described an apparatus for finishing a steel edge (14) of a ski (15) by means of a pot-shaped grinding wheel (1) driven by a motor (2) with an axis of rotation extending transverse to the feed direction (8). To create advantageous constructional conditions it is proposed that the grinding wheel (1) with the motor (2) should be mounted in a frame (7) of a setting means so as to be freely rotatable about a swing axis (a) limited by a stop, which swing axis extends transverse to the feed direction (8) and vertical to the axis of rotation of the grinding wheel (1), and that for setting the grinding wheel (1) against the steel edge (14) the setting means can be swivelled in the direction of the axis of rotation of the grinding wheel (1) about a swivel axis (b) parallel to the feed direction (8) between two working positions on the one hand for the machining surface of the steel edge (14) on the side of the running surface and on the other hand for the outer machining surface of the steel edge (14).

Abstract: A wave beveling machine is disclosed which produces a wave bevel on a glass work piece. The machine includes a feed path that is adapted to receive a glass work piece and which includes a plurality of spaced-apart treatment heads adjacent the feed path and adapted to sequentially engage the edge region of the work piece as the work piece is moved along the feed path. Each of the plurality of heads includes at least one contact region adapted to contact the edge region of the work piece, and one or more of the heads is adapted to abrade glass from the edge region when in contact with the edge region. The machine further includes a treatment head positioning system adapted to cause the contact surfaces of the plurality of heads and the edge region of the work piece to be engaged and cyclically moved in an oscillating path with respect to each other to produce the wave bevel on the edge region. The machine may further include one or more conveyors that support and move the work piece along the feed path.

Abstract: The profiling tool (10) has a segment (12) of a worm thread. Its active zone (13) is coated with grains of hard material (16) and is crowned in cylinder sections coaxial to the tool axis (26). During profiling, the grinding spindle (2) and the tool (10) rotate synchronously. By appropriate correction of the coupling ratio by means of a CNC control when moving the tool (10) in axial direction of the grinding worm (2), the grinding worm flank (1) can be dressed with any desired topology. The method makes it possible to profile topologically modified grinding worms (2) at the grinding worm (2) rotational speed used for grinding, which was previously not possible.

Abstract: A process and apparatus for the finish grinding of cutting blades of a cutting tool head of a granulating device for thermoplastic material in which a grinding wheel is supported for rotation about a vertical axis with a grinding surface of the grinding wheel facing upwardly and the cutting blades of the cutting tool head rest on the grinding surface of the cutting tool head under the weight of the grinding wheel. The cutting tool head is free for vertical movement and is precisely aligned with the axis of rotation of the grinding wheel. The grinding wheel is driven by a motor around a vertical axis to grind the cutting surfaces of the cutting blades and produce precision ground surfaces on the blades which are aligned in a common plane.

Abstract: An apparatus for chamfering the peripheral edge of a semiconductor wafer to specular finish, consisting of a turn table with an abrasive table surface, and a wafer holder, which holds the wafer firmly by sucking one face of the wafer, turn the wafer circumferentially, and press the wafer edge against the abrasive table surface in a manner such that the edge of the wafer is brought and kept in contact with the table surface in a way such that the triangle formed by the center of the turn table surface, the center of the wafer and said contact point is normal to the turn table surface and the angle formed between the turn table surface and the wafer is at the beginning substantially close to 0.degree. but said angle is continuously or stepwise increased to a value substantially close to 180.degree., and the wafer holder also moves the wafer in a way such that the contact point is moved on the turn table surface.

Abstract: An apparatus for enhancing the face of a masonry building block including a frame for supporting a conveyer belt, three cutting tools, rollers for constraining the building block and a water system for spraying the cutting tools and the building block. The cutting tools each have a rotatable horizontally disposed disk containing a plurality of synthetic diamond cutting segments. The disk is mounted to a vertically disposed shaft which in turn is mounted within a housing. There are threads on the outside of the housing which mate with a horizontal plate to allow the disk to be vertically positioned relative to the block. A locking nut is placed around the housing.