Abstract: A cutting unit includes a spindle, a spindle housing, a support flange on the front of the spindle, a cutting blade detachably supported to the support flange, and a fixing flange for fixing the cutting blade to the support flange. The support flange includes a boss portion adapted to be inserted through a central opening of the cutting blade, a flange portion for supporting one side surface of the cutting blade, and a cylindrical portion for engaging the front of the spindle. The flange portion has a suction hole opening toward the fixing flange, and the cylindrical portion has a communication hole communicating with the suction hole. The communication hole is connected to a vacuum source through a rotary joint fixed to the spindle housing so that communication between the communication hole and the vacuum source is selectively made by an on-off valve.

Abstract: An ingot cutting apparatus having at least one coolant pocket storing the coolant to be supplied to the blade, wherein the blade-abrasive-grain portion is brought into contact with the coolant stored in the at least one coolant pocket by causing the blade-abrasive-grain portion of the blade to travel through a groove portion provided at an upper portion of the at least one coolant pocket while driving to rotate the blade so that the coolant is supplied to the blade.

Abstract: A positioning arrangement (142), including: an outer casing having a frame member (78); a low pressure steam turbine inner casing (140) having an appendage (60) and a threaded hole through the appendage; and an alignment constraint (10) configured to be positioned in the threaded hole and define a positional relationship between the inner casing and the frame member. The alignment constraint includes a main body (14) and a discrete piggyback body (16), both configured to rotate in the threaded hole as a unitary body when in a joined, end-to-end configuration.

Abstract: A plate-end processing method comprises the steps of disposing a slit nozzle having a slit-shaped opening at a nozzle tip such that a longitudinal direction of the opening extends along a longitudinal direction of an edge formed along an end of a plate, and such that a distance between the tip of the nozzle and an apex of the edge is equal to 3 mm or smaller, and ejecting an abrasive with a median diameter smaller than or equal to 20 ?m with an ejection pressure of 0.1 MPa to 0.5 MPa to the edge via the nozzle and collecting the ejected abrasive and the abrasive and cut dusts adhered to the plate by suctioning the ejected abrasive, the adhered abrasive and cut dusts from a front side of an ejecting direction of the abrasive at an average flow rate of 30 m/s or higher.

Abstract: A width adjustable worktable includes a worktable body, an extension member movable relative to the body, a first guide rod connected to the extension member and a control set rotatably mounted in the extension member. The control set is operable to move the first guide rod between a locking position, where the first guide rod is prevented from moving relative to the worktable body, and an adjustable unlocking position, where the first guide rod is unlocked and movable relative to the worktable body for allowing the user to move the extension member carried by the first guide rod to adjust the width of the worktable.

Abstract: A device for the fine machining of optically active surfaces in particular spectacle lenses, has a spindle shaft which has a tool-holder portion and is mounted in a spindle housing such that it can rotate about a tool rotation axis. The device has an electric rotary drive with a rotor and a stator that rotates the spindle shaft operatively connected to the rotor about the tool rotation axis. The tool-holder portion can be displaced axially in the direction of the tool rotation axis. The rotor and the stator parts are axially guided in a guide tube along the tool rotation axis. The spindle shaft is in the form of a hollow shaft, via which the tool-holder portion, which is configured to hold a membrane chuck, can be subjected to a fluid.

Abstract: A lifting apparatus for lifting a rectangular manhole cover includes an elongated frame having first and second end assemblies each supporting a hook adapted to engage a corresponding lifting block on a rectangular manhole cover, at least one end assembly being movable with respects to the other end assembly to expand a distance between the hooks. An actuator moves movable end assembly to change the distance between the hooks and force the hooks into engagement with the lifting blocks on an adjacent rectangular manhole cover.

Abstract: Embodiments of the present invention generally provide an apparatus with a recess and a cavity formed therein for future hardware retrofit and uniformity enhancement and methods for controlling the same. In one embodiment, a substrate support includes a supporting body having an outer wall, a ground path disposed against and bounding the outer wall of the supporting body, a mounting plate coupled to a lower surface of the supporting body, wherein the mounting plate includes a lip extending outward from the mounting plate defining an upper surface; and a recess formed at a perimeter of the supporting body above the upper surface of the lip of the mounting plate, the recess lining on the ground path extending at least partially to the mounting plate.

Abstract: Systems and methods for fluidizing an abrasive particulate material for an abrasive water jet are disclosed herein. In one embodiment, the abrasive material is delivered to a metering orifice in a distributor. Pressurized pulses of air can be directed around a circumference of the distributor to at least partially fluidize the particulate material to facilitate the material passing through the metering orifice. From the metering orifice, the abrasive particulate material is entrained in a water jet for a cutting procedure or other suitable application.

Abstract: A method is disclosed for dressing a tool used for machining an internally toothed gear. The method includes meshing an internally toothed gear-like dressing gear, which is rotatable about the dressing gear rotation axis, with a barrel-shaped, screw-like grindstone. For machining an internally toothed gear, the outer diameter of the screw-like grindstone after dressing is estimated before dressing, the angle of intersection between a dressing gear rotation axis and the screw-like tool rotation axis is set on the basis of the estimated outer diameter of the screw-like grindstone after dressing, and dressing is performed with the dressing gear and the screw-like grindstone meshed with each other at the set angle of intersection between the axes.

Abstract: An angle block apparatus and method of stringing cable is provided. The apparatus includes an angle block frame having an enclosed frame perimeter structure. A rotatable roller wheel is connected to the angle block frame and positioned interior of the enclosed frame perimeter structure. A connector is affixed to the angle block frame and sized to retain the angle block frame in a substantially stationary position. The method of stringing cable includes, in part, disconnecting a sled carrying the cable from a messenger wire trolley. The sled and cable attached thereto is then moved through the angle block frame from a first side to a second side of the angle block frame. The trolley is moved from the first side to the second side of the angle block frame without going through the angle block frame. The sled is then reattached to the messenger wire trolley on the second side.

Abstract: A rubbing pad-dispensing tool comprising a tubular body for holding by hand, the tubular body having an interior arranged for containing a stack of rubbing pads and a pad-dispensing orifice positioned on a first end thereof; the pad-dispensing orifice having an end cap closure therefor, and in which the exterior of the end cap closure is provided with a planar pad-carrying area arranged such that in use, the rubbing pads may be brought one at a time into carried contact therewith.

Abstract: A surface cleaning apparatus comprises an air flow passage extending from a dirty air inlet to a clean air outlet. A suction motor is positioned in the air flow path. At least one cyclone chamber positioned in the air flow path. An associated dirt collection chamber is optionally exterior the cyclone chamber. A pre-motor filter is positioned downstream of the cyclone chamber and upstream of the suction motor. The pre-motor filter has an upstream side and a downstream side. The pre-motor filter may overlie at least a portion of the suction motor and the cyclone chamber.

Abstract: Provided is a vacuum cleaner. The vacuum cleaner includes a main body including a cord reel around which a power cord is wound and a cord reel button for operating the cord reel.

Abstract: A wheel rim polishing tool simplifies the process of polishing tractor trailer wheel rims. The tool also reduces polishing time by polishing more surface area of the wheel rim per rotation as compared to what can be accomplished by hand or by means of a drill adapted with a polishing head. The tool further keeps the cost of polishing the wheel rims low by making a trip to a metal specialty shop no longer necessary. The wheel rim polishing tool is a portable device that allows the tractor trailer owner to polish their wheel rims quickly and easily.

Abstract: Cutting fluids for brittle materials, e.g., silicon ingot, comprise, in weight percent: A. 70-99% polyalkylene glycol (PAG), e.g., polyethylene glycol; B. 0.01-10% PAG-grafted polycarboxylate; and C. 0-30% water. These cutting fluids are used with abrasive materials, e.g., silicon carbide (SiC), to form cutting slurries. The slurry is sprayed on the cutting tool, e.g., a wire saw, to cut a brittle work piece, e.g., a silicon ingot.

Abstract: Provided is a polishing apparatus capable of maintaining polishing precision although fewer expendable parts are periodically replaced. The polishing apparatus includes a polishing disk (20) having a polishing surface (20a) on the front side thereof to polish an end surface of a workpiece, a support mechanism (30) for supporting a back surface (20b) of the polishing disk (20) while allowing the polishing disk (20) to move along a predetermined plane, a workpiece holder (50) for holding the workpiece so as to contact the end surface of the workpiece with the polishing surface of the polishing disk, and a driving mechanism (70) for concurrently causing circular and reciprocating rectilinear motions of the polishing disk (20).

Abstract: An air-compressing automotive jack apparatus simplifies the task of lifting and lowering a vehicle for repairs and maintenance by using an air compressor powered by the vehicle's battery. The apparatus includes a housing configured for positioning under a frame of a vehicle. An air compressor and a bag are coupled to the housing. The bag is operationally coupled to the air compressor wherein the air compressor is configured to supply air to the bag such that the bag is inflated when air is received. A handle extends outwardly from the housing and is operationally coupled to the air compressor wherein the air compressor is configured to deflate the bag when the handle is in a lowered position and inflate the bag when the handle is in a raised position. A pair of cables is coupled to the air compressor and configured for coupling to a power supply in the vehicle.

Abstract: A toothbrush head in which oral hygiene parts, in particular toothbrush bristles, are set in a flexible pad. Typically the pad is made of a thermoplastic elastomer or a polyurethane gel material. The pad is supported on support parts which are connected to the toothbrush handle in various ways, for example arms or a web structure.

Abstract: Polishing and cleaning techniques are combinatorially processed and evaluated. A polishing system can include a reactor assembly having multiple reaction chambers, with at least a reaction chamber including a rotatable polishing head, slurry and chemical distribution, chemical and water rinse, and slurry and fluid removal. Different downward forces can be applied to the polishing heads for evaluating optimum process conditions. Channels in the polishing pads can redistribute slurry and chemical to the polishing area.