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8465343 |
Floor levelling vehicle
This invention relates to a mobile floor levelling vehicle for levelling an undulating floor surface, which comprises a vehicle body with front and back displacement means for moving the vehicle...
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8460058 |
Complex apparatus and method for polishing an ingot block
A compound chamfering device that manufactures prism-shaped ingot blocks of excellent surface smoothness is disclosed. The four-corner round surfaces and the four sides of a prism-shaped ingot...
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8454408 |
Load cup substrate sensing
Embodiments of the present invention generally provide a load cup used in the transfer of substrates in a chemical mechanical polishing system. The load cup includes an improved substrate edge...
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8449348 |
Techniques for debris reduction when performing edge deletion on coated articles having temporary protective coatings applied thereto
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...
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8444453 |
Device and method for fine or finest processing of a rotationally symmetric work piece surface
A device for fine or finest processing of a rotationally symmetric work piece surface of a work piece (14), with a drive mechanism (12) for driving the work piece (14) around an axis of rotation...
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8414354 |
Glass manufacturing device
A glass manufacturing device includes a working container, a loading device, a sand blower, a shielding device, and a supporting device. The loading device is received in the working container and...
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8414358 |
Corner bevelling assembly for bevelling corners of glass sheets
The corners of a sheet of glass travelling in a longitudinal direction are ground by a corner bevelling assembly having a fixed frame; a movable frame; a grinding wheel; a supporting arm supporting...
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8408967 |
Machine tool with rest apparatus and machining method thereof
It is an object of the present invention to provide a machine tool with a rest apparatus having high supporting stiffness of a workpiece by the rest apparatus and having flexibility to machine a...
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8408966 |
Glass manufacturing device
A glass manufacturing device includes a work container, a loading device, a sandblaster, a shield device, and a lift device. The loading device is received in the work container and loads a glass...
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8408971 |
Grinding assembly for bevelling corners of glass sheets
The corners of a sheet of glass travelling in a longitudinal direction are ground by a grinding assembly having a fixed frame; a movable frame; a grinding wheel; a supporting arm supporting the...
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8408965 |
Eddy current gain compensation
In-situ monitoring during processing of a substrate includes processing a conductive film on a substrate in a semiconductor processing apparatus and generating a signal from an eddy current sensor...
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8403725 |
Method and device for machining workpieces
An apparatus and method for machining workpieces is provided, in particular, for grinding the surface of non-round workpieces. The workpiece is clamped within a machining unit and the surface of...
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8398458 |
Modular base-plate semiconductor polisher architecture
The present invention generally relates to a polishing system. Particularly, the present invention relates a polishing apparatus having one or more modular polishing stations, and a plurality of...
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8382554 |
Substrate polishing apparatus and method of polishing substrate using the same
Provided are a substrate polishing apparatus and a method of polishing a substrate using the same. The substrate polishing apparatus includes a substrate supporting member, a polishing unit, and a...
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8366512 |
Eyeglass lens processing apparatus for processing periphery of eyeglass lens and eyeglass lens processing method
An eyeglass lens processing apparatus including a lens edge position detecting unit for obtaining edge positions, an edge corner processing tool for processing an edge corner of the lens, a...
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8366513 |
Apparatus and method for the prototype and small-batch production of gear wheels
This invention relates to an apparatus for the prototype and small-batch production of gear wheels with a dressing disk. In accordance with the invention, the dressing disk has an asymmetric flank...
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8360821 |
Glass-plate working apparatus
A glass-plate working apparatus (1) includes a grinding means (7) for grinding a peripheral edge (6) of a glass plate (2); and a grinding supporting means (9) for supporting the glass plate (2)...
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8360824 |
Method of processing synthetic quartz glass substrate for semiconductor
Disclosed is a method of processing a synthetic quartz glass substrate for a semiconductor, wherein a polishing part of a rotary small-sized processing tool is put in contact with a surface of the...
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8360820 |
Robotic manipulator
A robotic manipulator for clamping a workpiece includes a power source, a first rotary member, and a clamping mechanism. The first rotary member is connected to and rotated by the power source. The...
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8360819 |
Method for grinding a machine part, and grinding machine for carrying out said method
Disclosed is a method for grinding a machine part that is used as a drive shaft, for example, rotates about the longitudinal axis thereof during the grinding process, and is provided with a journal...
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8348718 |
Servo stroking method and system for producing special shapes
A servo stroking method and system for honing wherein the cam stroking motion is controlled via combined acceleration and deceleration cam profiles to produce a finite jerk profile, a precision...
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8342909 |
Device for machining ophthalmic lenses, the device having a plurality of machining tools placed on a swivel module
A device (1) for machining an ophthalmic lens includes a support for the ophthalmic lens and for driving it in rotation about a blocking axis (A1), a machining module (35) that can be swiveled...
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8337279 |
Closed-loop control for effective pad conditioning
A method and apparatus for conditioning a polishing pad is provided. The conditioning element is held by a conditioning arm rotatably mounted to a base at a pivot point. An actuator pivots the arm...
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8328600 |
Workpiece spindles supported floating abrasive platen
A method and apparatus for releasably attaching flexible abrasive disks to a flat-surfaced platen that floats in three-point abrading contact with three rigid flat-surfaced rotatable fixed-position...
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8328599 |
Internal rotation type direct motor-drive portable angle grinder
The present invention relates to an internal rotation type direct motor-drive portable angle grinder. By means of the direct drive, the present invention prevents the emission of noise made by...
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8317571 |
Grinding assembly for glass slabs and grinding head for a rectilinear grinding machine equipped with such assembly
A grinding assembly is described, for a grinding head for a grinding machine of glass slabs, comprising: a first (and possibly a second) grinding wheel adapted to tangentially work on the glass...
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8313358 |
Notched grind wheel and method to manufacture a rotor blade retention slot
A grind wheel includes a rim having at least one notch formed in the rim to grind a slot base of a blade retention slot within a rotor disk.
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8298041 |
System and method for wafer back-grinding control
In a system or method for controlling wafer back-grinding, a chuck table has a surface for supporting a semiconductor wafer during a back-grinding process, one or more holes in the surface, and one...
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8287335 |
Abrasive apparatus of a sander
An abrasive apparatus of a sander is provided. The abrasive apparatus is disposed above a worktable of the sander and includes a base and a lift unit. At least one abrasive wheel is provided in the...
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8284560 |
Eddy current sensor with enhanced edge resolution
An apparatus for monitoring the thickness of a conductive layer on a substrate includes a support to hold a substrate having a conductive layer, an eddy current monitoring system including a first...
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8277282 |
Ultrasonic trimming apparatus and ultrasonic trimming method
An ultrasonic trimming apparatus is composed of an articulated robot, a cutting apparatus, and a grindstone. The cutting apparatus is composed of an ultrasonic oscillator which is supported by the...
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8277285 |
Method of maintaining a constant grinding process
Method of grinding cylindrical gears with a threaded grinding wheel wherein the amount of grinding wheel material utilized during shifting remains constant as the wheel diameter decreases, for...
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8277279 |
Method for processing a work-piece
A method for processing a work-piece is disclosed herein. The method includes the step of removing material from a work-piece to a predetermined depth with a tool that changes size. The method also...
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8277280 |
Honing feed system and method employing rapid tool advancement and feed force signal conditioning
The honing feed system and method utilizes feedback from various sources during rapid feeding of the honing tool while rotating and stroking, to detect initial contact with a bore surface, to slow...
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8267742 |
Slicing method and a wire saw apparatus
The present invention is a slicing method and a wire saw apparatus including winding a wire around a plurality of grooved rollers and pressing the wire against an ingot to be sliced into wafers...
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8267744 |
Drive for a cutting or grinding machine
The present invention provides a drive for a grinding or cutting machine. The drive comprises a body having a drive coupling for receiving at least one drive shaft in a manner so that the or each...
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8267743 |
Polishing head and tool change arm for a polishing head
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...
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8257144 |
Neck portion grinding apparatus and grinding device employed in the neck portion grinding apparatus
A neck portion grinding apparatus and method is designed to reduce working man-hours and to improve processing accuracy with respect to a processing of a workpiece. The neck portion grinding...
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8246421 |
Arc surface grinding device
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...
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8246419 |
Rolling machine
A rolling machine includes a first clipping component, a second clipping component, a lifting component, and a holding assembly. The first clipping component has a first surface and a second...
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8241093 |
Precision guiding device in a machine for machining cylindrical components
The component to be machined (2) is fixed with its axis in a position exactly determined in relation to the machine base (1) and the seat (3), by means of the sides (8) and the rear face (9) of the...
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8221195 |
Process for grinding dies
The invention relates to a machine and process for grinding dies, in which the work axis (CO) of the plate (2.1) in which the die (1) to be machined is anchored is controlled at all the points of...
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8221194 |
Method of grinding bar-shaped workpieces, grinding machine for carrying out the method, and grinding cell in twin arrangement
In order to grind bar-shaped workpieces which have a non-circular cross-section and flat faces which are parallel to each other, two partial operations are performed consecutively. First, the...
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8216025 |
Profile grinding machine
The profile grinding machine includes: a base; a work unit disposed on one side on the base and including a work table for gripping a work; and a stone unit disposed on the other side on the base...
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8210907 |
Device for fine machining workpieces
The invention relates to a device for fine machining workpieces, preferably for honing and/or fineboring cylinder bores in crankcases of internal combustion engines, wherein inside a module (1) one...
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8197299 |
Machining of ceramic materials
Milling strategies for machining dental ceramic materials are provided that reduce milling time while maintaining strength, accuracy and marginal integrity.
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8182313 |
Carriage arrangement for a machine tool
A carriage arrangement for a machine tool, which can be adjusted similar to a compound slide, has an increased rigidity against a machining force being taken up by said arrangement in that...
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8172644 |
Grinding machine and grinding method
A grinding machine is provided with first and second grinding wheels selectively used in dependence on the steps of machining operations. The second grinding wheel is grooved so that at least one...
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8172643 |
Polishing system having a track
Embodiments described herein relate to a track system in a polishing system. One embodiment described herein provides a track system configured to transfer polishing heads in a polishing system....
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8167682 |
Automatic constant pressure polishing apparatus for improving surface accuracy of lens
Disclosed is an automatic constant pressure polishing apparatus. The automatic constant pressure polishing apparatus comprises a housing having a hollow section therein, a rubber pad installed in...
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