Abstract: Described are various coolant and/or lubricating compositions. Also described are various methods for grinding glass that employ such a coolant and/or lubricating composition. Such compositions may find use in the grinding of glass, such as automotive glass, flat glass, ophthalmic glass, precision ophthalmic glass, ceramics, quartz, solar glass, precision optical glass, lens glass, architectural glass, curtain wall glass, appliance glass, electronic-device glass, and/or various plastics.

Abstract: An abrasive belt grinding device is provided, a supporting plate passes through an inner cylinder, and is fixed to the inner cylinder, the inner cylinder is rotatably connected to an outer cylinder bracket, a winding reel and an unwinding reel are arranged side by side in a left-right direction at an upper end of the supporting plate, and are driven by respective first servo motors, one end of the abrasive belt is wound in a belt groove of the winding reel, and another end of the abrasive belt is wound over the first transition wheel, the first tension pulley, the third transition wheel, the fifth transition wheel, the seventh transition wheel, the contact wheel, the eighth transition wheel, the sixth transition wheel, the fourth transition wheel, the second tension pulley, and the second transition wheel, and is finally wound in a belt groove of the unwinding reel.

Abstract: An electric tool, such as an angle driver, has a main tool body with a front portion and a rear portion positioned opposite to the front portion. The main tool body houses a motor configured to receive electricity to function as a drive source. A gear head is coupled with the front portion of the main tool body wherein the gear head has a spindle in communication with a motor axis of the motor via mesh-engagement of bevel gears associated with the motor axis. The spindle has with a cutter tool accessory attached thereto such that rotation of the motor axis produces a commensurate rotation of the cutter tool accessory. Battery attachment portions are associated with the rear portion of the main tool body and are configured to receive a corresponding set of batteries that provide electricity to power the motor.

Abstract: The occurrence of grinding unevenness is prevented even when the movement speed of a robot is changed. Provided is a grinding robot system including: a motor-driven grinder that performs grinding; a robot that grinds a grinding target by means of the grinder in a state in which one of the grinder or the grinding target is attached to a distal end thereof and is moved, and the other is set at a fixed position; and a control unit that controls the robot and the grinder, wherein the control unit calculates a rotational-speed command value for the grinder that changes according to the movement speed of the distal end of the robot and controls the rotational speed of the grinder on the basis of the calculated rotational-speed command value.

Abstract: The multi-position, articulating clamp includes a plate disposed on a first plane, a first brick-holding jig adjustably coupled to the plate, and a second brick-holding jig adjustably coupled to the plate. Advantageously, each of the first brick-holding jig and the second brick-holding jig is selectively reciprocated along the plate and along a bidirectional linear path registered parallel to the first plane. Advantageously, each of the first brick-holding jig and the second brick-holding jig is selectively rotated along the plate and along an arcuate path registered planar to the first plane. Advantageously, each of the first brick-holding jig and the second brick-holding jig is selectively tilted along a second plane registered non-parallel to the first plane.

Abstract: An abrasive tool for machining surfaces, which comprises a support associated with at least one abrasive layer, and a first layer and a second layer, both of which are made of elastically deformable material and are interposed between said support and said abrasive layer; the second layer has a higher stretch modulus than the first layer and is arranged in an intermediate position between the first layer and the abrasive layer, and the first layer is associated with the support.

Abstract: A traveler for electrical power lines, comprising: a) a body portion comprising rubber, plastic or a combination thereof; and b) an insulator clamping portion.

Abstract: An adjustable stroke mechanism for a random orbital machine including a housing having a wall enclosing a cavity, an adjuster ring surrounding the housing and having a first set of gear teeth along a first portion of an inner surface, and a second set of gear teeth along a second portion of the inner surface, a counterweight having gear teeth on an exterior surface disposed within the housing, and a bearing carriage having gear teeth disposed within the housing. At least one counterweight gear that meshes with the gear teeth of the counterweight and the first set of gear teeth of the adjuster ring, and at least one bearing carriage gear that meshes with the gear teeth of the bearing carriage and the second set of gear teeth of the adjuster ring, so that movement of the adjuster ring causes movement of both the counterweight and the bearing carriage.

Abstract: Ultrasonic polishing systems and methods of polishing brittle components for electronic devices using ultrasonic polishing systems are disclosed. The ultrasonic polishing system may include an ultrasonic driver and a polishing head operatively coupled to the ultrasonic driver. The ultrasonic drive may have a surface shape that corresponds to a non-planar feature formed in the brittle component. The ultrasonic polishing system may also include an abrasive slurry configured to be disposed between the non-planar feature of the brittle component and the polishing head. The ultrasonic driver may be configured to displace the polishing head toward and away from the non-planar feature formed in the brittle component.

Abstract: A handle extension for a belt sander comprising a hollow member having a front side, a rear side, a first side, a second side, and a third side, wherein the front side, rear side, and first side have a cutout in a predetermined location and size and the third side has an opening in a predetermined location and a predetermined size, a handle of a predetermined length and sized to be received by the opening on the third side of the hollow attachment member, and a securing mechanism attached to at least the first side and the second side of the hollow member.

Abstract: An abrasive belt grinding center applicable to grinding and polishing of a whole profile of a blisk is provided, an X-axis feed mechanism, a Y-axis feed mechanism, a Z-axis feed mechanism, a B-axis rotation mechanism and a C-axis rotation mechanism constitute a grinding head feed mechanism, and a housing, a drum, a synchronous driven pulley, a synchronous belt, a synchronous driving pulley, and a grinding head rotation driving motor constitute a grinding head rotation mechanism. In the present application, two grinding heads are utilized to reasonably assign the machining angle and the feeding, and rough machining and fine machining can be both realized by one time of clamping, and the combination of six degrees of freedom in space is achieved by a short drive chain, and further the rigidities of a grinding head mechanism and a workpiece clamping mechanism are ensured.

Abstract: Eddy current formable in a polishing target is detected as an impedance by an eddy current sensor. A resistance component and a reactance component of the impedance are associated with respective axes of a coordinate system having orthogonal axes, respectively. An angle calculator calculates the tangent of an intersection angle between a first straight line connecting a first point corresponding to an impedance for a zero film thickness, and a second point corresponding to an impedance for a non-zero film thickness, and a diameter of a circle passing through the first point. A film thickness calculator determines the film thickness from the tangent.

Abstract: A sanding apparatus for sanding a vicinity of a drywall seam is provided comprising a housing structure including guide structures, a sanding roller, and a motor for driving the sanding roller such that the guide structures guide a sanding depth during sanding. The sanding apparatus further includes a vacuuming mechanism for capturing particles that result from sanding.

Abstract: Sanding pads are disclosed. A sanding pad has at least about 1/32 inch thickness, having one top flat surface and an opposite flat bottom surface. The top and bottom surfaces are capable of providing attachment for an abrasive material, such as a pressure adhesive sand paper. The sanding pad is formed of various geometric shapes and made from an expanded PVT material which has a Shore D durometer hardness value between 30 and 60. The sanding pad comes in a kit that includes several sanding pads, each of a different shape and situated purpose.

Abstract: Provided is a self-sharpening polishing device with magnetorheological flexible polishing pad formed by dynamic magnetic field and polishing method thereof. The device includes a polishing disc revolution mechanism and a multi-magnetic-pole synchronous rotary drive mechanism, the polishing disc revolution mechanism including a transmission shaft motor, a transmission shaft, a transfer disc, an eccentric shaft fixing disc, a cup-shaped polishing disc and a transmission shaft transmission mechanism, the multi-magnetic-pole synchronous rotary drive mechanism including an eccentric spindle, a synchronous rotary drive disc, flexible eccentric rotating shafts, eccentric sleeves, magnetic poles, the eccentric shaft fixing disc, and a spindle motor, etc. The device does not need a circulating device to renew magnetorheological fluid and does not need to renew the magnetorheological fluid during the finishing process; in fact the entire process from rough polishing to precise polishing can be done at one time.

Abstract: A post-process tool includes: a fixing bracket mounted in at least one robot; and a grinding assembly installed at one side of the fixing bracket, being moved in a longitudinal direction of the vehicle body, and configured to grind a lamination region. The grinding assembly includes a grinding bracket mounted at the one side of the fixing bracket, a grinding motor reciprocatably installed in the grinding bracket and moving in upward and downward directions; and a grinding wheel coupled to a drive shaft of the grinding motor.

Abstract: A polishing head of a CMP apparatus includes a polishing pad, an air bag brought into contact with a rear surface of a wafer on the polishing pad and configured to press a front surface of the wafer against the polishing pad, and a top ring surrounding the air bag and the wafer. A portion of the air bag brought into contact with a peripheral portion of the wafer is thicker in film thickness than a portion of the air bag brought into contact with a central portion of the wafer. The polishing head is capable of applying even pressure to press down the wafer evenly throughout the entire wafer plane to improve the evenness of polishing.

Abstract: The present invention is a side plate unit (10) used in a centrifugal projector (1) which projects projection material (2) toward a processing target by rotating a plurality of blades (3), and the side plate unit (10) being provided to attach the plurality of blades thereto, the side plate unit (10) comprising: a pair of side plates (11); and a joining member (12) for joining the pairs of side plates; wherein guide channel portions (13) are respectively formed on mutually opposing surfaces of the pair of side plates (11); and the side plate guide channel portions (13) are formed to be pitched so that the radial outer side thereof is positioned to a rear in the rotational direction (R1) compared to the radial inner side thereof.

Abstract: A component blending tool for forming a pre-determined blended area into a component utilizes a belt having a material removing surface that is contoured to mimic a predetermined depth ratio of the blended area. The tool has an interchangeable shoe that contours the belt and forces the belt upon the component until the pre-determined blended area is substantially the same as said blend ratio.

Abstract: A holding device, in particular a grinding disc, for a grinding member includes at least one support member that has at least one material opening configured for transverse transport of grinding dust to one side facing the grinding member in a plane parallel to a grinding surface. The holding device further includes at least one securing layer configured to secure the grinding member on the at least one support member. When decoupled from the grinding member, the at least one material opening is at least substantially open on a side facing the grinding member and on a side facing away from the grinding member is substantially delimited by the support member.