Abstract: A grinder for grinding an end face of a fiber includes a housing, a fiber fixing module, a base, a transmission shaft, and a grinding pad. The housing includes an annular rack wheel with an internal engaging teeth. The fiber fixing module is positioned on a top of the housing. The base is positioned at a bottom of the housing and includes an eccentric connection portion. An end of the transmission shaft is connected to the connection portion. The transmission shaft is sleeved with an annular pinion having external engaging teeth engaging with the internal engaging teeth. The grinding pad is connected to another end of the transmission shaft and revolves around the rotation axis of the base and rotates around its own rotation axis together with the transmission shaft and matches an end face of a to-be-ground fiber penetrating the fiber fixing module.

Abstract: A grinding apparatus for grinding a floor, the apparatus comprising a body having a travelling mechanism which enables the body to travel across a floor while the apparatus is grinding; a first grinding head incorporating at least one grinding tool and having an operable configuration in which the first grinding head is able to grind a first floor portion; and a second grinding head incorporating at least one grinding tool and having an operable configuration in which the second grinding head is able to grind a second floor portion; wherein the first and second grinding heads are mountable to the body whereby their positions relative to the body are able to be varied.

Abstract: A polishing device includes a housing, a flexible base coupled to the housing, and a contact region disposed on a first side of the flexible base, wherein the flexible base expands and contracts based on pressure contained within the housing and a second side of the flexible base to form a contact area on the first side that is less than a surface area of the flexible base.

Abstract: The present invention provides a knife block apparatus in combination with different utilities, such as a speaker and/or a display device, resulting in a compact and portable apparatus that saves floor space and provides different utilities in a single apparatus. The knife block apparatus is comprised of a knife block that has at least one slot for at least one knife, at least one speaker that is integrated into the knife block, a music player receptacle that is built into the knife block for receiving and holding a music player, such as but not limited to an MP3, and a knife-sharpening unit that is coupled to the base of the knife block. The knife block apparatus may optionally contain a computing device and a display for playing videos and other culinary content, such as recipes. The apparatus is elegant and commercially advantageous through playing coded culinary content from sponsors.

Abstract: A conditioning method which can efficiently produce surface roughness of a polishing pad to obtain an optimum polishing rate by performing dressing while monitoring the surface roughness of the polishing pad and adjusting a temperature of the polishing pad is disclosed. The conditioning method includes measuring surface roughness of the polishing pad during dressing of the polishing pad, comparing the measured surface roughness with preset target surface roughness to obtain comparison result, and adjusting a surface temperature of the polishing pad by heating or cooling the polishing pad based on the comparison result. The surface roughness is represented by at least one of five indexes comprising arithmetical mean deviation of the roughness profile (Ra), root mean square deviation of the roughness profile (Rq), maximum profile valley depth of the roughness profile (Rv), maximum profile peak height of the roughness profile (Rp), and maximum height of the roughness profile (Rz).

Abstract: The present invention relates to a wheel polishing apparatus composed of a frame, motors, servo electric cylinders, a polishing head, guide rails and the like. A wheel is fixed onto the clamp on the platform, a motor I rotates the platform and the wheel via the main shaft, a motor II rotates the polishing head via the drive shaft; the canting servo electric cylinder can realize the relative movement of the polishing head along the contour line of the back cavity of the wheel via the canting guide rail, the horizontal servo electric cylinder can realize constant contact between the polishing head and the back cavity of the wheel via the horizontal guide rail. The invention can realize the function of automatically polishing the back cavity of the wheel, which has desirable effects and advanced process and high degree of automation, and is characterized by simple construction and low cost.

Abstract: A process for machining a turbine engine blade outer air seal in situ, the process comprising replacing a blade with a cutting tool assembly proximate a blade outer air seal, wherein the blade outer air seal is assembled in a gas turbine engine case. The process includes coupling a blower to the blade outer air seal. The blade outer air seal comprises at least one flow path. The process includes creating a purge air stream with the blower through the blade outer air seal. The process includes machining the blade outer air seal, wherein particulate is formed from the machining. The process includes preventing the particulate from blocking the at least one flow path of the blade outer air seal.

Abstract: An object of the present invention is to provide a dicing blade which does not cause cracking and breaking even in a workpiece formed from a brittle material, and can stably perform cutting process in a ductile mode on the workpiece with high precision. A dicing blade 26 which performs the cutting process on the workpiece is integrally formed of a diamond sintered body 80 which is formed by sintering diamond abrasive grains 82 so as to have a discoid shape, and a content of the diamond abrasive grains 82 of the diamond sintered body 80 is 80 vol % or more. It is preferable that recessed parts which are formed on a surface of the diamond sintered body 80 are continuously provided in an outer circumferential part of the dicing blade 26 along a circumferential direction.

Abstract: A method of processing a crowned portion of a roller includes disposing first and second feed drums so as to extend parallel to each other, each of the first and second feed drums having an outer periphery formed with respective spirally extending threaded guide surfaces, the first and second feed drums being driven to rotate to transport the roller from a first location towards a second location through between the first and second feed drums, and successively processing the crowned portion of the roller, by means of a through feed processing with the use of a grinding stone. The threaded guide surface of one of the first and second feed drums is formed so that an angle of inclination of an outer peripheral surface of the roller relative to a processing surface of the grinding stone is varied in dependence on a roller passing position of the feed drum.

Abstract: A method for lens processing includes the steps of: holding an optical member as a processing target such that an optical axis of the optical member is orthogonal to a central axis of a ring-shaped grinding tool; and grinding the optical member by causing the optical member to abut on an end face of the grinding tool while rotating at least the grinding tool around the central axis. The grinding of the optical member includes causing at least one of the optical member and the grinding tool to move relatively to the other along the optical axis while rotating only the grinding tool to grind a part of an outer periphery of the optical member in a planar shape.

Abstract: A blocking device and a method for blocking of eyeglass lenses on blocking pieces with a base body, with a blocking piece receiver which is located on the base body for the blocking piece which is to be attached to the eyeglass lens and with a positioning unit which is located on the base body for aligning and holding the eyeglass lens which is to be blocked, the blocking piece receiver and the positioning unit can be fixed on the eyeglass lens by activation being movable relative to one another via a lifting axis, the approach motion between the positioning unit and the blocking piece receiver being limited in the direction of the lifting axis by an adjustable stop means in at least two positions.

Abstract: Polishing pad for use with high-speed mechanical buffers or for use by hand. More specifically, a polishing pad and methods of use for the polishing pad, the polishing pad having a foam pad, and having a cloth, a foam, or both attached to a top surface of the foam pad, with the cloth, the foam, or both covering part of the top surface of the foam pad such that gaps in the coverage allow for the foam pad and either the cloth, the foam, or both to touch a polishing surface at the same time.

Abstract: Polishing pad for use with high-speed mechanical buffers or for use by hand. More specifically, a sloped polishing pad and methods of use for the polishing pad, the sloped polishing pad having a sloped foam pad, and having a cloth, a foam, or both attached to a top surface of the foam pad, with the cloth, the foam, or both covering part of the top surface of the sloped foam pad such that gaps in the coverage allow for the sloped foam pad and either the cloth, the foam, or both to touch a polishing surface at the same time.

Abstract: A polishing system include a support to hold a substrate having a substrate surface to be polished, a carrier to hold a polishing pad in contact with the substrate surface, and a pressure applicator to apply pressure at a selected region of a back surface of the polishing pad. The back surface is opposite to the polishing surface. The pressure applicator includes an actuator and a body configured to be moved by the actuator into and out of contact with the selected region of the back surface of the polishing pad.

Abstract: A method of abrading a workpiece includes: contacting a metallic workpiece, having a bulk temperature of less than 500 degrees Celsius, with a stationary rotating bonded abrasive wheel having a diameter of at least 150 millimeters, wherein the bonded abrasive wheel comprises ceramic shaped abrasive particles retained in a binder, and wherein metallic swarf is formed, and at least 20 percent by weight of the metallic swarf is filamentary metallic swarf having a length of at least 3 mm.

Abstract: A gear grinding unit, capable of grinding a tooth flank of a gear to have fine surface roughness without requiring any special shaping work such as dressing, includes a threaded grinding part which is rotatable around a rotation axis (S1) and engages with a tooth of a gear to be ground. Through a rotational motion of the threaded grinding part, a tooth flank of the gear is ground. The threaded grinding part includes a plurality of flexible abrasive sheets each including a virtual circle having a diameter that equals a root diameter (DA) of the threaded grinding part and a bulge part bulging radially outward from the virtual circle. With the bulge parts of the abrasive sheets mutually shifted around the rotation axis (S1), the abrasive sheets are overlapped along the rotation axis (S1) to form the threaded grinding part.

Abstract: A grinding method includes a pre-grinding step of grinding a plate-shaped workpiece to a thickness just before a finish thickness is reached using a finish grinding unit, a thickness measuring step of measuring a thickness of the workpiece after the pre-grinding step, a calculation step of calculating, from the measured thickness of the workpiece, a variation amount of the distance between a holding face of the chuck table and a grinding face of a finish grindstone before and after inclination adjustment of the chuck table, and a height adjustment step of adjusting, on the basis of the variation amount, the inclination of the chuck table while adjusting the height of the finish grinding unit so that the relative moving speed between the finish grindstone and the workpiece in a state in which the grinding face contacts with an upper face of the workpiece becomes equal to zero.

Abstract: An abrasive article having a plurality of apertures arranged in a non-uniform distribution pattern, wherein the pattern is spiral or phyllotactic, and in particular those patterns described by the Vogel equation. Also, provided is a back-up pad having a spiral or phyllotactic patterns of air flow paths, such as in the form of open channels. The back-up pad can be specifically adapted to correspond with an abrasive article having a non-uniform distribution pattern. Alternatively, the back-up pad can be used in conjunction with conventional perforated coated abrasives. The abrasive articles having a non-uniform distribution pattern of apertures and the back-up pads can be used together as an abrasive system.

Abstract: A knife sharpener includes guide structure for accommodating thick blades of a knife. The guide structure includes a fixed guide surface having a convex portion to match a concave shape of the blade and a spring guide surface preferably has a convex portion to press against a hollow ground portion of the blade.

Abstract: Polishing pads having a polishing surface with continuous protrusions are described. Methods of fabricating polishing pads having a polishing surface with continuous protrusions are also described.