Abstract: In a scheme in which a top ring is held to an end portion of a swing arm, the present invention improves accuracy of polishing end point detection. A polishing apparatus for polishing between a polishing pad 10 and a semiconductor wafer 16 disposed opposed to the polishing pad 10 includes a polishing table 30A for holding the polishing pad 10 and a top ring 31A for holding the semiconductor wafer 16. A swing shaft motor 14 swings a swing arm 110 for holding the top ring 31A. The arm torque detection section 26 detects arm torque applied to the swing arm 110. An end point detection section 28 detects a polishing end point indicating an end of polishing based on the detected arm torque.

Abstract: An electromechanical rotary pipe mill or hone including a body, a motor with a mill or hone disposed thereon in radially adjustable position with respect to the body, a clamping device extendable from the body and configured for anchoring the tool in a tubular, and a portion of the body that is rotatable about an axis of the electromechanical pipe mill or hone. A method for removing material in a tubular including running on electric wireline an electromechanical rotary pipe mill or hone as in any prior embodiment to a target location in a tubular, registering the mill or hone with a feature identified for removal of material, deploying the clamping device, rotating the mill or hone on its own axis, rotating a portion of the body about its own axis, and radially displacing the mill or hone to remove material.

Abstract: A method and suitable honing tools for honing conical bores are proposed.

Abstract: A polyurethane foam backing suitable for making a coated abrasive article is disclosed. The polyurethane foam backing has a textured surface bearing an array of raised features and land areas. The array's geometry is designed such that a 90 degree peel force to remove a production tooling having a contacting surface bearing a plurality of microreplicated mold cavities from the textured surface is accept able.

Abstract: The polishing head comprises: a head main body part; a carrier being connected to the head main body part; a pressure chamber; a fluid supplying section; a linear motion guide having an outer cylindrical body and a spline shaft, which is provided in the outer cylindrical body and capable of moving in an axial direction thereof, and which is prohibited to rotate with respect to the outer cylindrical body so as to transmit a rotational force to the spline shaft through the outer cylindrical body; and a rotation transmitting plate being provided between a lower end of the spline shaft and an upper face of the carrier, the rotation transmitting plate being capable of tiltably supporting the carrier and transmitting a rotational force of the spline shaft to the carrier.

Abstract: A floor polishing or grinding pad assembly is provided. In one aspect, a polishing or grinding pad assembly employs a fibrous pad, a reinforcement layer or ring, and multiple floor-contacting disks. In another aspect, the reinforcement layer includes a central hole through which the fibrous pad is accessible and the fibrous pad at the hole has a linear dimension greater than a linear dimension of one side of the adjacent reinforcement layer. In yet another aspect, at least one of the floor-contacting disks has an angle offset from that of a base surface of the disk, the fibrous pad and/or the reinforcement layer. A further aspect employs a smaller set of disks alternating between and/or offset from a larger set of the disks. In another aspect, the reinforcement layer includes a wavy or undulating internal edge shape.

Abstract: An automated hand tool sharpening and cleaning system for sharpening the two opposed cutting edges of domestic, industrial, sport, or hobby hand tool like a knife blade is provided by the invention. The apparatus comprises a six-axis robotic arm, a pneumatic gripper, a vision sensor camera for profiling the blade edges, a robotic controller, and sequentially-arranged grinding, coarse sharpening, fine sharpening, and buffing rotating wheel assemblies used to grind, sharpen, and buff or polish the cutting edges of the knife blade. The blade cutting edges are profiled by the camera image that is processed by associated software to define the blade by multiple points defined along its edge, followed by a set of algorithms that are used to clean up any discrepancies in the profile data.

Abstract: The machine includes a feeding path for the logs to be cut and a cutting head arranged along the feeding path. The cutting head includes a coupling for a disc-shaped cutting blade and is designed to impart the disc-shaped cutting blade a rotary motion around the axis thereof and a cyclic movement to cut the logs into single rolls, and to allow the logs to move forward along the feeding path. The machine also includes at least a grinding unit, including at least one grinding wheel mounted onto a rotation shaft and co-acting with a side of the disc-shaped cutting blade to grind the cutting edge of the same disc-shaped cutting blade. A controlled approach system is also provided to move the grinding wheel towards the disc-shaped cutting blade.

Abstract: A method for setting up an apparatus (100) which is formed for machining a workpiece with a tool (20) comprises: providing the tool (20) in the region of the apparatus (100), providing a line assembly (53) in the region of the apparatus (100), which is fitted with at least one outlet nozzle, transferring a first linear axis (A1) of the apparatus (100) to a changing position by moving at least one axis of the apparatus (100), receiving the tool (20) by a tool spindle (21) which is carried by the first linear axis (A1), and the line assembly (53) plus the at least one outlet nozzle by a clamping system which is carried directly or indirectly by the first linear axis (A1), or by an additional axis, wherein the receiving of the tool (20) and the receiving of the line assembly (53) occur successively or simultaneously.

Abstract: A grinding apparatus includes a holding table for holding a wafer, a support table for supporting the holding table, a motor for rotating the support table, a frame member supporting the support table for rotation, and at least three support poles for supporting the frame member from the base. Each of the support poles has formed in the inside thereof a through-hole, a supply port which communicates the through-hole and an air supply source with each other, and an exhaust port which exhausts air having flowed through the through-hole toward the support table. Air is supplied into the through-hole to cool the support pole, and the air having flowed through the through-hole is exhausted toward the support table.

Abstract: A polishing pad for polishing a surface, material for a polishing pad and a method for manufacturing material for a polishing pad. A polishing pad has a backing layer and a polishing layer made of sheep wool fibres fixed onto a surface of the backing layer, wherein the polishing layer has loops made of sheep wool fibres.

Abstract: A device for removing tool joint edge burrs on a cap slot edge and an outer rim of a vehicle wheel includes a vehicle wheel positioning system and a cutter system. The vehicle wheel positioning system is used to make a rotating center of a cap seam allowance superposed with that of the cutter system. The cutter system includes a pyramid cutter and four blades, the pyramid cutter is used to remove burrs on the cap slot edge of the vehicle wheel, and the four blades are used to remove burrs on the outer rim of the vehicle wheel.

Abstract: A hand-held battery powered tool used for tip shaping and reshaping a tip on a cue stick used for playing pool, billiards, snooker, etc. The tip is shaped by a mounting a rotating concave abrasive adapter that is powered in a hand-held housing that allows a user to center the tip directly into the center of the concave abrasive attachment for precise shaping accuracy in seconds. The abrasiveness of the attachment is equal to 80 grit sand paper, although grits from 60 to 120 grit may also be used. The size of the opening at the front end of the housing also allows a user to angle the cue to shape the side walls of the tip to further correct the curvature of the tip. Finally, a burnisher is also provided at the back of the housing to put a final finish on the tip.

Abstract: An expandable handheld pneumatic belt grinder includes a body, an expansion component and an operation component. The body has a receiving space, a pneumatic motor, and a rotating wheel driven by the pneumatic motor. The expansion component has an expansion pipe and an expansion rod which are connected. The expansion rod is coupled to the receiving space. The operation component has a support rod with one end carrying a driven wheel and the other end coupled to the receiving space or expansion pipe. A grinding belt fits around the driven wheel and rotating wheel collectively. A user changes the distance between the rotating wheel and driven wheel by choosing between two options: coupling the support rod of operation component and the receiving space; and coupling the expansion rod of expansion component and the receiving space, and then coupling the support rod of operation component and the expansion pipe.

Abstract: A method for machining toothed and hardened work wheels, includes: mounting a work wheel that is hardened and pre-toothed with an allowance onto a workpiece spindle; removing at least 50% of the allowance by means of gear skiving with a skiving wheel that is rotatably driven by a tool spindle; precision-machining the work wheel in unchanged tension by means of a honing wheel. The forward movement occurs during gear skiving in the extension direction of the toothing. The delivery of the workpiece that is moved in an oscillating manner in the extension direction of the toothing occurs during honing in the radial direction. The skiving wheel and the honing wheel are driven by a common tool spindle. A device for carrying out the method includes a workpiece spindle, which is driven to rotate, and a tool spindle, which carries a combination tool having a skiving wheel and a honing wheel.

Abstract: A wheel shape follow-up burr brushing device can brush burrs from a front, a back cavity and a spoke root groove of the wheel. The heights of brushes are adjusted, so that the brushes follow up the shape of the front, the back cavity and the spoke root groove of the wheel. The wheel is put onto a positioning roller bed by a manipulator, a positioning clamping cylinder drives four clamping wheels to clamp the wheel, four clamping wheel drive motors drive the wheel to be in a low-speed rotating state; two second cylinders drive a second rotating table to be fed downwards, two first cylinders drive a first rotating table to be fed upwards, and the rotating wheel is matched with the rotating brushes to brush burrs from the front, the back cavity and the spoke root groove of the wheel.

Abstract: A rotary wheel cleaning device is composed of a feeding station, a cleaning station, a blowing station and a discharging station. The feeding station completes positioning, jacking and clamping of a wheel; the cleaning station completes cleaning of the wheel; the blowing station completes blowing of the wheel; and the discharging station transfers the cleaned wheel. The device can continuously perform the operations of feeding, cleaning, blowing and discharging of a wheel to be cleaned by rotating the wheel into different angular position on a station turntable, thereby automatic continuous production is achieved.

Abstract: A fluid jet cutting system includes a control unit configured to control the motion of a fluid jet cutting head of the fluid jet cutting system relative a workpiece to be cut. The control unit is coupled to a fluid jet cutting head drive configured to incline the fluid jet cutting head relative a vertical line. The control unit is configured to operate the motion of the fluid jet cutting head from a predetermined inclination angle value and other operational data. The control unit is configured to automatically adapt the speed of the fluid jet cutting head in accordance with the predetermined inclination angle value. A method controls the motion of the fluid jet cutting head of the fluid jet cutting system, in which the control unit is configured to operate the motion of the fluid jet cutting head from a predetermined inclination angle value.

Abstract: A waterjet cutting method is provided which includes directing a waterjet onto a surface of a workpiece that is exposed to the surrounding atmosphere, the interaction of the waterjet with the exposed surface defining a cutting location, and simultaneously directing a gas stream onto the exposed surface of the workpiece at or adjacent the cutting location to maintain a cutting environment at the cutting location that is, apart from the waterjet, substantially devoid of fluid or particulate matter. The method may further include moving a source of the waterjet relative to the workpiece to cut the workpiece along a desired path while continuously directing the gas stream onto the exposed surface of the workpiece at or adjacent the cutting location.

Abstract: A tile saw including a saw unit having a motor and a saw blade, and a base supporting the saw unit above the base, where the base is fixed relative to the saw unit. A carriage is supported by the base. The carriage is translatable relative to the base and the saw unit, where the carriage is translatable along a first plane. The tile saw further includes a table for supporting a work piece to be cut by the saw blade. The table is translatable relative to the base and the saw unit, where the table is translatable along a second plane. The second plane is parallel to the first plane. The table is selectively translatable relative to the carriage.