Abstract: A hubbed blade to be mounted on a spindle includes a circular hub and a circular blade fixed on a side of a first side of the hub. The blade has an opening formed through its center. The hub includes a protrusion portion protruding from the first side and having an outer peripheral edge of a shape corresponding to a shape of the opening. The hub and the blade are connected together via an adhesive with the hub and the blade being aligned each other with the protrusion portion inserted in the opening.

Abstract: A control device for controlling a machine tool, wherein the machine tool and the control device are configured such that a tool and/or workpiece disposed on the machine tool can be moved with at least one first speed and at least one second speed. When switching from a movement with the first speed to a movement with the second speed, the tool or the workpiece is at first stopped prior to the execution of the movement with the second speed, if the second speed is greater than the first speed by at least a predetermined factor. The control device has an input device for triggering the movement with the second speed, and the subsequent execution of the movement with the second speed is triggered by an operator input on the input device. A corresponding control method for controlling a machine tool is also described.

Abstract: A method includes forming a film over a substrate; increasing a surface roughness of the film; and planarizing the film using a first chemical mechanical planarization (CMP) process after increasing the surface roughness.

Abstract: Disclosed is an automatic wheel front burr removing device, including a station rotating motor, a station I manipulator, a station II manipulator, a station III manipulator, a station IV manipulator, a rim burr cutter head, a feeding slide plate I, guide posts I, cylinders I, a servo motor I, a feeding slide plate II, guide posts II, cylinders II, a servo motor II and a vision sensor. The station I is a wheel positioning and clamping station; the station II is a wheel rim burr removing station; the station III is a wheel cap section burr removing station; and the station IV is a wheel loosening and transferring station.

Abstract: A multi-axis positioning system that may be used in conjunction with an inspection system includes multiple position sensors corresponding to multiple axes in conjunction with multiple motors also corresponding to multiple axes to provide high accuracy, high load and extended travel for controllable movement of an object in up to 6 degrees of freedom. Some embodiments of the multi-axis positioning system may include an x-y stage assembly, a bottom plate assembly coupled to the x-y stage assembly, a top plate assembly coupled to the bottom plate assembly, and a chuck secured to the top plate assembly with multiple position sensors configured to measure displacement between the x-y stage assembly and top plate assembly.

Abstract: Abrasive machining apparatuses and methods of finishing glass articles with abrasive machining apparatuses are disclosed herein. In one embodiment, an abrasive machining apparatus includes a support base, an edge finishing unit, and an edge finishing unit position sensor. The edge finishing unit includes an abrasive machining spindle having an abrasive wheel that is coupled to a motor and a pivot mechanism that is coupled to the support base. The pivot mechanism has an axis about which the abrasive machining spindle pivots. The abrasive machining spindle is pivotable between an extended position and a retracted position. The actuator is coupled to the edge finishing unit and to the support base and selectively positions the abrasive machining spindle about the axis. The edge finishing unit position sensor is coupled to the support base and is oriented to detect a position of the abrasive machining spindle.

Abstract: A machine tool, for example a hand-held belt grinder, is subjected to high frequencies outside a working plane between an abrasive belt and a workpiece. In particular, the machine tool is subject to high frequencies in a free-running region of the belt, of an excitation actuator, in particular by a piezo element.

Abstract: A buffing apparatus for production of a retreaded tire. The buffing apparatus can reliably prevent the scatter of buffing swarf and allows smooth transfer of the tire after the buffing operation. The buffing apparatus for production of a retreaded tire includes a grinder facing the tire and buffing its periphery, upper and lower scatter shields disposed about the grinder, spaced apart from each other in the tire radial direction, and coming in contact with the tire, and left and right scatter shields spaced apart from each other in the tire width (axial) direction and coming in contact with the tire. The left and right scatter shields are of such design as to be turnable from predetermined initial positions outward in the axial directions of the tire.

Abstract: The present disclosure relates to a machine tool for machining workpieces, particularly a grinding machine, and to a method for positioning a spindle head of such a machine tool. The machine tool comprises a workpiece holder for receiving a workpiece, and a spindle head for receiving a tool, particularly a grinding wheel, wherein the spindle head is movable by motor with respect to the workpiece holder, wherein a handle is arranged at the spindle head and comprises at least one detector that is arranged to detect an impact on the handle, and wherein a control device is provided that is arranged to move the spindle head in at least one operation mode by motor in a defined manner dependent on the detected impact on the handle.

Abstract: A deburring machine for removing burrs from workpieces includes a framework, a deburring mechanism and a transport mechanism. The deburring mechanism mounted on the framework, includes deburring units positioned on the framework. The transport mechanism is positioned on the framework adjacent to the deburring units. The transport mechanism includes a base, multi-station rotating plate and a first driver. The base is positioned on the framework. The multi-station rotating plate is rotatably positioned on the base. The first driver is positioned on the framework and connects with the base. The first driver is capable of driving the multi-station rotating plate to transport the workpieces to the plurality of deburring units, the plurality of deburring units are capable of removing the burrs of the workpieces.

Abstract: A method for forming a pattern in an abradable coating includes the step of machining a groove in the abradable coating with a machining tool. The machining tool is configured to machine a top surface, a side surface and a bottom surface of the groove simultaneously. A repeating step repeats the machining step until a desired number of grooves is obtained in the abradable coating.

Abstract: Devices for removing a coating on a pipe are provided. In one aspect, a device for removing a coating on a pipe includes a sleeve, an arm coupled to the sleeve, and a wheel coupled to the arm. The sleeve includes a wall and an aperture defined through the wall. The wall defines a cavity in the sleeve and the sleeve is adapted to receive the pipe in the cavity. The device also includes a wheel coupled to the arm and adapted to extend through the aperture to engage the coating on the pipe.

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: The disclosed embodiments relate generally to methods for creating smooth cosmetic surfaces along small features of an electronic device. The disclosed embodiments are well suited for reaching surfaces disposed in constrained spaces. More specifically a method for finishing a workpiece is described. For example, the method may be employed to finish an inlet portion of a cable connector. The method may involve the use of an abrasive brush which may include a single filament and abrasive particles coupled thereto, which can be configured to provide any number of different surface geometries during a finishing operation.

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: The adhesiveness of a thermal spray coating and a cylinder internal surface is improved by forming a sufficient roughened surface on an internal surface. A processing roller is installed on the main shaft of a processing device via a pressurizing mechanism. An uneven surface is provided on the external periphery of the processing roller. By pressing the processing roller against the internal surface while the roller rotates and moves, a fine unevenness that corresponds to the unevenness of the roller is formed on the cylinder internal surface. A thermal spray coating is formed on the internal surface where the inner surface has been roughened by forming the above-mentioned unevenness.

Abstract: The housing of a grinding spindle unit is pivotably mounted by way of a pivot axle on the receiving part of a grinding machine, e.g., on a grinding headstock. The grinding spindle unit bears a grinding wheel which is driven in rotation. The actuation of an adjusting unit extends a pressure pin, which pivots the housing of the grinding spindle unit about the pivot axle and thus slants the grinding wheel. The pivot axle is in this case formed as a film hinge through a zone of targeted elastic material deformation. A tensile spring device brings about constant contact between the pressure pin and the receiving part.

Abstract: An improved grinding arrangement for grinding a required profile in a body is provided. The arrangement includes a body having at least one channel extending into the body and a grinding wheel adapted to grind the required profile in the side of the channel. In the setup the grinding wheel is arranged so that an axis of rotation of the grinding wheel forms an angle greater than 0° with a radial axis of the channel. A method of grinding a required profile in a body is also provided.

Abstract: A system for grinding surgical needles made of refractory metal alloys such as tungsten-rhenium alloys includes a rotatable grinding wheel having a grinding surface, a layer of a binding material, such as a nickel binding material layer, overlying the grinding surface, and a plurality of abrasive particles, such as ABN600 abrasive particles, embedded within the binding material layer. The abrasive particles are similarly sized and the binding material layer has a thickness that is about 65% of the size of the similarly sized abrasive particles. The system includes a lubricating device adapted to apply a lubricant to an interface between the grinding surface and distal ends of needle blanks and a rotating element coupled with the rotatable wheel for rotating the grinding surface at about 10,000 surface feet per minute.

Abstract: An apparatus for chemical mechanical planarization includes a spindle assembly structure and at least one substrate carrier, which make a linear lateral movement relative to each other while abrasive surfaces of a plurality of cylindrical spindles in the spindle assembly structure contact, and rotate against, at least one substrate mounted on the at least one substrate carrier. The direction of the linear lateral movement is within the plane that tangentially contacts the plurality of cylindrical spindles, and can be orthogonal to the axes of rotation of the plurality of cylindrical spindles.

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: The invention concerns a brush-type deburring machine for deburring opposed ends of at least one elongate profile formed in a longitudinal direction during conveying in a conveying direction with two rows of conveying discs arranged in the conveying direction, wherein the conveying discs are arranged opposite one another in pairs and in each case have at least one aperture corresponding to an opposite aperture for receiving the at least one elongate profile, a gripping device by which the at least one elongate profile is capable of being inserted into the mutually corresponding apertures, with a pressing device arranged between the corresponding apertures and by which a force is capable of being exerted upon the at least one elongate profile in a direction radially towards the inside with respect to the conveying discs into the corresponding apertures.

Abstract: On a workpiece there are first longitudinal portions which are rotationally symmetrical with respect to the continuous longitudinal axis and are intended to be ground by way of centerless grinding. The workpiece also has a second longitudinal portion, which is not rotationally symmetrical with respect to the longitudinal axis and would lead to imbalance in the event of rotation. Therefore, a balancing weight having a radially extending recess is placed on the second longitudinal portion. The balancing weight contributes largely to uniform distribution of the rotating masses, thus reduces the imbalance to a very low residual imbalance and allows reliable and precise centerless grinding.

Abstract: A prescription label identity peeler includes a box-shaped housing. A lid extends over the box-shaped housing. A sanding member is adjustably carried within the box-shaped housing. A pair of linkage arms is pivotally extend between the lid and the sanding member. The motorized linkage arms will move the sanding member simultaneously and horizontally against the empty pill bottle in an inverted position, while the wheel on the swing arm assembly will contact a bottom end of the empty pill bottle via compression of the springs, thereby removing the label from the empty pill bottle when the inverted empty pill bottle rotates.

Abstract: A glass treatment apparatus, in one example, can include a fluid dispensing device configured to dispense a substantially laminar flow of a fluid film. In another example, a shroud substantially circumscribes an outer peripheral surface of a working wheel. The shroud includes a slot configured to receive an edge portion of a glass sheet. Methods of treating glass, in one example, include the step of dispensing a substantially laminar flow of a fluid film along a fluid plane to subsequently land on a first side of a glass sheet. In further examples, a fluid is passed over an inner surface of a shroud to carry away machined particles from a glass sheet. In still further examples, an outer peripheral surface of a working wheel is impacted with a fluid stream to clean the working wheel from glass particles generated when machining an edge of the glass sheet.

Abstract: The invention is directed toward a chemical mechanical polishing/planarizing (CMP) brush with an embedded mandrel. PVA foam injected into the substantially hollow mandrel expands through apertures in the mandrel to fill a mold in the desired shape of the brush with the foam in the mandrel being integral with the outer foam covering the brush.

Abstract: Devices for removing a coating on a pipe are provided. In one aspect, a device for removing a coating on a pipe includes a sleeve, an arm coupled to the sleeve, and a wheel coupled to the arm. The sleeve includes a wall and an aperture defined through the wall. The wall defines a cavity in the sleeve and the sleeve is adapted to receive the pipe in the cavity. The device also includes a wheel coupled to the arm and adapted to extend through the aperture to engage the coating on the pipe.

Abstract: A pelletizing machine for forming pellets from extruded material includes an extruder having at least one exit port and a body defining a cutting chamber through which high-temperature liquid flows, flooding the cutting chamber. The exit port of the extruder opens into the cutting chamber, which includes a cutting section defining a flow path for liquid through the cutting section. A cutter in the cutting section of the cutting chamber is mounted for rotation about an axis generally perpendicular to the first direction and disposed for cutting the extruded material exiting the exit port into the pellets. The axis of rotation of the cutter is parallel to or coincident with the flow path of the cutting section. A method for forming pellets of thermoplastic material with a foaming agent is also disclosed.

Abstract: A power cutter comprising: a housing 2; an engine 24 mounted within the housing 2; a support arm 7 mounted on the housing and which projects forward of the housing; a blade mounting mechanism 70,90, 86, 92 rotatably mounted on the end of the support arm and which is capable of being rotationally driven by the engine 24 when the engine is running; a liquid fuel aeration mechanism 126 to generate aerated fuel for the engine; an air intake 314 for the provision of air for the liquid fuel aeration device 126; an air filtration mechanism 316 to filter the air drawn in from the air intake for the liquid fuel aeration mechanism; a fuel tank 124 for providing fuel to the liquid fuel aeration mechanism; and an exhaust 146 through which the exhaust gases generated by the operation of the engine are expelled; wherein the air filtration mechanism comprises an air filter 320 comprising a plurality of pleats which hang substantially vertically downwardly when the power cutter is in its standard orientation.

Abstract: A machine system and method for simultaneously lapping a first machining surface of a hollow shaft and an opposing second machining surface of the hollow shaft, the machine system having a brake subsystem for securing the hollow shaft in a relatively stationary position while a drive subsystem rotates a lapping tool within the hollow shaft such that the lapping tool laps the first machining surface with an abrasive surface of a top lap while simultaneously lapping the second machining surface with an abrasive surface of a bottom lap.

Abstract: A cutting tool suitable for cutting a workpiece placed on a photocurable adhesive layer is provided. The cutting tool includes a main body, a cutting layer and a light emitting material. The cutting layer is disposed on a surface of the main body and is applicable in cutting the workpiece. The light emitting material is disposed inside the cutting layer or between the main body and the cutting layer. The light emitting material is suitable for emitting a light capable of curing the photocurable adhesive layer adjacent to a cutting path as the workpiece is cut by the cutting layer.

Abstract: A hydrodynamic bearing for supporting a hollow cylinder that may be deformable in the radial direction, driven in a rotational movement about its axis, the diameter being greater than or equal to one meter, the bearing essentially consisting of a bushing and a bushing support, and in which the bushing, notably of constant thickness, extends over a portion of cylinder of axis ?, having a guide surface, intended to follow the exterior surface of the cylinder via a film of lubricant, and a surface secured to the bushing support. The bushing support has, if appropriate locally, at least in the region of an intermediate zone of the bearing, cross-section-reducing elements allowing elastic deformation of the bearing so as to limit the maximum value of the guide forces over the bushing. The bearing is useful in supporting and guiding a rotating hollow grinder subjected to unevenly distributed forces during rotation.

Abstract: An automatic machine and an automatic method for grinding the perimetric edge of rectangular or nonrectangular of glass sheets arranged substantially vertically, comprising at least one conveyor and at least one workhead provided with an abrasive tool for grinding the glass sheet at its edge, following its perimetric profile by way of the relative action of movement of the glass sheet and movement of the at least one workhead. During grinding, the glass sheet is no longer supported and moved by the conveyor but by at least one carriage, to which the glass sheet is coupled by way of at least one sucker.

Abstract: A surface treating apparatus treats a substrate surface by rotating a cylindrical polishing member in a state where the polishing member makes contact with the substrate surface. A polishing liquid is supplied to a polishing liquid passage that is provided in a central portion of the polishing member, and the polishing liquid is supplied to the substrate surface by rotating the polishing member while filtering the polishing liquid by a foam member provided on an outer periphery of the polishing liquid passage. Aperture diameters of the foam member are larger on the side of the polishing liquid passage than on the outside of the polishing member.

Abstract: The present invention relates to a device and to a method for shaping an optical lens. According to the invention, a selection is provided between either a first tool (50) for machining the edge face of the lens, and a cutter tool (637) for cutting through the material of the lens, for the purpose of performing at least one given shaping operation. The invention also provides a method of shaping an optical lens coated in a treatment with low surface energy, the method including cutting through the material of the lens.

Abstract: Provided is a wafer polishing apparatus. The wafer polishing apparatus comprises a first polishing part and a second polishing part. The first part is disposed at a position higher than a top surface of a wafer and configured to be rotated on a first rotation axis. The second polishing part is disposed at a position lower than a bottom surface of the wafer and configured to be rotated on a second rotation axis.

Abstract: A method of preparing a polarizing dye receiving surface includes bringing the polarizing dye receiving surface into contact with a brushing surface of a brush pad carrying an abrasive material and brushing the polarizing dye receiving surface with the brushing surface in one or more brushing strokes. Each brushing stroke comprises effecting a unidirectional relative motion between the polarizing dye receiving surface and the brushing surface along a brushing path. The polarizing dye receiving surface is separated from the brushing surface after the brushing.

Abstract: The present invention provides an apparatus and a method for aging a stone, preferably an artificial stone. The aging device comprises a rotary support operatively connected to a rotary shaft, at least one abrasive tool mounted to the rotary support for roughing and/or polishing a surface of the artificial stone when the rotary support is brought into functional contact with said surface, and biasing means that biasingly connect the abrasive tool to the rotary support. The biasing means urge the abrasive tool away from the rotary support while allowing the same to move toward the rotary support when the rotary support is brought into functional contact with the surface of the artificial stone, thereby allowing the abrasive tool to follow a surface profile of the artificial stone while roughing and/or polishing its surface.

Abstract: A glass block is formed by stacking, fixing, and integrating a plurality of thin glass plates having a predetermined thickness. An annular glass block is formed by coring the glass block. Surfaces of an inside circumference and an outside circumference of the annular glass block are ground. The annular glass block of which the surfaces of the inside circumference and the outside circumference are ground are separated into individual annular glass substrates, and separated annular glass substrates are cleaned. Then, edge portions of the inside circumference and the outside circumference of a cleaned annular glass substrate are chamfered.

Abstract: An apparatus and method for grinding a workpiece by rotating the workpiece about a rotational axis, rotating a cylindrical grinding wheel about a rotational axis being parallel to the rotational axis of the workpiece, moving the grinding wheel relative to the workpiece at least in one of a first direction being perpendicular to the rotational axis of the workpiece for grinding the workpiece at a cylindrical surface of the grinding wheel and a second direction being parallel to the rotational axis of the workpiece for grinding the workpiece at an end surface of the grinding wheel being perpendicular to the rotational axis of the grinding wheel, and by superimposing a vibration signal including a plurality of frequency components to a driving signal outputted to one of a workpiece rotating means for rotating the workpiece and a grinding wheel rotating means for rotating the grinding wheel.

Abstract: A tool for use in an abrasive machining process has a body extending along a central longitudinal axis from a first end to a tip end. An abrasive material is located on the tip end. A central recess is formed in the tip end.

Abstract: An electric discharge machine template fixture (40) suitable for EDM redressing operations, the fixture (40) comprising a body (42) capable of holding a template (50) and capable of rotating the template (50) about its central axis (58) for consecutive redressing operations.

Abstract: A grinding device includes a fixed barrel, a moving barrel, a grinding plate, and an actuator. The fixed barrel defines a chamber and includes a number of inner surfaces substantially parallel to a central axis, each of which defines a holding groove therein for holding a workpiece. The moving barrel is received in the chamber and includes a side surface substantially parallel to the central axis and defines an installation groove. The grinding plate is fixedly installed in the installation groove. The actuator is configured for driving the moving barrel to spin and move back and forth along the central axis, and driving the moving barrel to move towards a workpiece so that a surface of the workpiece is grinded into a desired arc surface by the grinding plate, and driving the moving barrel to move towards another workpiece after the desired arc surface of the workpiece is obtained.

Abstract: A rotary tool for surface machining has a disk having an elastomeric outer periphery, an array of angularly spaced elastomeric teeth projecting radially and each having a formation forming a hinge so that the tooth can flex at the hinge.

Abstract: A disc-like grinding wheel 5 is formed with a circumferential groove 5a, the opposite walls of which define grinding surfaces 5b. A rotated carrier 3 brings a load pin 55 into rotary movement relative to the grinding wheel 5 rotated about an axis 5z, so as to pass the load pin 55 through space between the grinding surfaces 5b, whereby opposite end faces 55a of the load pin 55 are ground simultaneously. Thus, time taken by a grinding process may be reduced as compared with a conventional method wherein one end face is ground at a time.

Abstract: A machining apparatus, in which a plurality of user set programs in relation to one axis is written and the amount of the infeed motion of the grinding wheel is increased to restrain the change of the load of the grinding wheel, improves a machining accuracy and achieve a longer life of the grinding wheel.

Abstract: An inner surface grinding tool is provided with a plurality of machining units for simultaneously machining inner surfaces of a plurality of portions of a workpiece. The plurality of machining units respectively include expanding and contracting mechanisms and grinding blade portions. In the respective machining units, outer diameters of the respective grinding blade portions are capable of individually expanding and contracting by the respective expanding and contracting mechanisms.

Abstract: A tool for use in an abrasive machining process has a body extending along a central longitudinal axis from a first end to a tip end. An abrasive material is located on the tip end. A central recess is formed in the tip end.

Abstract: A polishing head for use in a polishing machine for optical surfaces, having an axis of rotation and a base body having a holding structure intended to be arranged at a polishing spindle and having a transport element intended to be held at a tool change arm, the transport element being positionable against a holding element of the tool change arm in the axial direction relative to the axis of rotation in order to perform a tool change, wherein at least one locking element is provided which can be positioned against the tool change arm in the circumferential direction U such that a positive and/or non-positive joint results.

Abstract: Certain example embodiments of this invention relate to techniques for edge deleting coatings supported by coated articles while a temporary protective coating is applied thereto. More particularly, a stationary, enlarged, and higher powered aspirator is connected to flexible tubing, which itself has an enlarged diameter, that has a nozzle located proximate to a grinding wheel on an edge deletion unit is provided in connection with an edge deletion table. Advantageously, the edge deletion table and aspirator of certain example embodiments are capable of performing edge deletion and removal of a temporary protective coating substantially simultaneously (e.g., from a common area of interest), during which process the debris produced when edge deletion is performed is controlled and removed from the substrate of interest.