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7494305 |
Raster cutting technology for ophthalmic lenses
A raster cutting apparatus and method for producing accurately formed, aspheric ophthalmic lenses having a good quality surface finish. The accurate form and good surface finish are obtained by...
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7331741 |
Numerically controlled machine tool
A numerically controlled machine tool performs machining by rotating a rotational tool attached to a tool holder mounted on a spindle, with keys fitted into key grooves in the tool holder. The...
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7306412 |
Rotary milling cutter and milling method using the same technical field
An end mill 10 is a tool for milling a metal block such as a metal mold and is placed in a machine tool such as a milling machine when in use. The end mill 10 is used to provide a rotary...
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7287939 |
Method for controlling relative displacements of a tool against a workpiece
Relative movements of a tool and a workpiece are controlled by moving a tool axis in all spatial dimensions for the material-removal machining of the workpiece to produce a desired target contour...
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7237989 |
Milling method used for producing structural components
A milling method is for producing milled structural components of materials that are difficult to machine by chip-cutting. A milling tool with a tool radius is rotationally driven about an axis of...
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7216003 |
Hi-accuracy three-dimensional topographic modeling apparatus
A cutting apparatus includes a hi-accuracy three-dimensional cutting apparatus for topographic modeling that is electronically coupled with a computer. The computer has a central processor that...
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7174236 |
Ultra-precise processing method and apparatus for inhomogeneous material
(A) V-CAD data of an object ( 1 ) is prepared. (B) A processed surface shape after NC processing is predicted by simulation using the V-CAD data. (C) The object is subjected to NC processing by a...
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7101126 |
Cutting force detection method and machining control method and apparatus based on detected cutting force
End-mill machining control method and apparatus in which cutting forces tangential and normal to tool motion are detected and machining is controlled based on the detected cutting force values. A...
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7088064 |
Method for the orientation of a spindle and numerical control device of a machine tool embodied for the method for the orientation of the spindle
A method for the orientation of a spindle of a numerically controlled and rapidly rotating spindle by which the spindle is brought from an initial rotational speed into a predetermined position of...
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7083368 |
Numerical control apparatus
A machine having X- and Y-axis linear moving axes and a pivot axis B for rotationally pivoting a pivot member having a tool arranged at a distal end thereof about an axis parallel to a Z axis is...
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7070368 |
Method for setting a machining feed rate and a machine tool using the same
A machining feed rate for machining a workpiece portion to be machined by a machining tool based upon a machining program is set by reading a data of the workpiece portion, by sectionalizing the...
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6999843 |
Numerical control apparatus and CAM system
Upon analyzing a processing program ( 5 ) in an analyzer ( 11, 31 ), a numerical control apparatus extracts information about a contact position between a tool and a workpiece, and based on the...
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6942436 |
NC program generating method, NC apparatus, computer memory product, and computer program product
An NC apparatus 1 replaces a required machining shape of a workpiece 5 with a predetermined canned machining cycle depending on a specification of machining conditions including a machining...
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6832876 |
Machine tools
A machine tool 10 to fashion objects from blocks of material having a material-remover 16 able to move in at least two degrees of freedom and having the material 18 controlled by processing...
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6782596 |
Fiducial calibration systems and methods for manufacturing, inspection, and assembly
Fiducial calibration systems and methods for precisely and accurately manufacturing a part from a workpiece, inspecting or measuring a part, and/or assembling a plurality of manufactured parts...
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6697700 |
Correction apparatus for NC lathe
A correction apparatus 1 comprises a correction amount setting section 3 and a correction execution section 4 and provides in an NC lathe 100 equipped with a first tool rest 106 and a...
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6676344 |
Methods and apparatus for machining workpieces
In a method for machining a workpiece, and for identifying a sequence of steps for machining a workpiece, a final shape required for the whole or part of the workpiece (is identified at 34 ), a...
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6612004 |
Complex machining machine tool
In a complex machining machine tool, a tool rest capable of attachably and detachably installing tool installing inserts thereon is provided, a plural number of virtual tools is set and registered...
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6571840 |
Composite furniture ornamentation
A furniture surface includes a new solid wood substrate, a two-color silk screened image on the substrate, and a CNC-carved and embossed indentation in the substrate that provides a relief effect...
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6539277 |
Lapping surface patterning system
A lapping surface patterning system includes a patterning apparatus which can be removably mounted over the lapping surface of a continuous polishing tool. The patterning apparatus includes a...
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6491482 |
Milling method
A milling method is provided in which a finished part of any desired contour is milled from a blank of any desired contour by the milling tool being guided on a continuous, spiral guide path from...
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6485236 |
Method for processing work pieces by removing material
The invention relates to a method for processing a work piece by removing material with a tool in which the tool is guided over the work piece in paths. The pivoting and cambering angle of the tool...
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6476575 |
Method and system for adaptive control of turning operations
An adaptive control system for adaptively controlling a turning operation performed at a work piece by a turning tool adjusts a controlled input operation parameter F to maintain an output...
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6447223 |
Control for high speed cutting tool
A computer-implemented method and system is disclosed for controlling a cutting tool of a high speed cutting machine. The method and system provides an effective tool path for controlling a cutting...
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6445959 |
System for monitoring CNC machine controllers
A number of computer-numerical-control (CNC) machine controllers are associated in the same plant or facility or in related facilities. Each CNC machine controller gathers and stores status...
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6428252 |
Method for machining
A method adapted to achieve a high rate of material removal when, for example, milling a cavity into a work piece. The method includes providing for a cutter path in which the angular engagement...
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6341245 |
Machine tool displacement correcting apparatus
A history of function values of a spindle rotation frequency in each time period from present to past is stored in a data table 22 D and corrective coefficients are stored in advance in a...
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6152662 |
Key duplication apparatus and method
In a method and apparatus for duplicating an original key, the keyway and keycode of the original key are measured and duplicated in a preform. The preform used in the duplication process need not...
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6099216 |
Profile processing method and processing machine therefor
A profile processing method and a processing machine therefor which can obtain a good finish surface accuracy in all the carving surfaces and curb the decrease in tool's life are provided. More...
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6099212 |
Multi-head drilling machine for drilling shutter components
A multi-head drilling machine, for use in particular in the simultaneous drilling of a plurality of side frame components for shutters, the drilling machine having a machine frame, a support...
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6089799 |
Surface finishing method and machine for the same
A surface finishing method and a machine therefor, in which good finish accuracy can be obtained in all carving surfaces and deterioration of tool's life can be prevented. When a surface of a...
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6019554 |
Method and system for computer assisted manual machine tool control
A computer assisted manual machine tool system and method for milling, turning and grinding uses a computer model of machine objectives and location feedback signals from the tool to control motion...
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5923560 |
Method for dynamically compensating for tool abrasion in a numerically-controlled machine tool
A method of the invention detects a machining load acting on a tool during a machining process, estimates abrasion amount of the tool based on the machining load and a tool abrasion characteristic...
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5919012 |
Method of high speed cutting mold and ultra-high speed milling machine
There is provided a method of three-dimensionally cutting a mold including the steps, in sequence, of (a) rotating a single ball end mill at a rate in the range of 50,000 rpm to 200,000 rpm, the...
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5906460 |
Tool device
A tool device for machining workpieces has a machining tool and at least one sensor oriented toward a machining area of a workpiece to be machined by the machining tool. The at least one sensor...
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5844191 |
Method of and system for manufacturing a helical cutter
A method and a system for creating an improved cutting tool having a helical shaped cutting surface includes a computer, a computer numerically controlled milling machine and an electric discharge...
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5839861 |
Gear-cutting machine with emergency power supply
A gear-cutting machine contains one driving motor (28) with a corresponding actuator (26a, 26c . . . ) for each of various adjusting axes (B, C, X, Z . . . ). The actuators are supplied from a...
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5827020 |
Numerical control apparatus
A numerical control apparatus can process a workpiece at high speed and high precision while suppressing tool abrasion by maintaining optimum cutting conditions determined by a combination of...
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5727912 |
Controller for CNC-operated machine tools
A controller for optimization of metal-working on CNC-operated machine tools, includes a first unit for monitoring the torque of the main drive of the machine tool to establish the actual,...
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5711643 |
Portable semi-automatic computer code key cutting machine
This invention relates to a programmable semiautomatic portable key cutting machine. More particularly, this invention pertains to a portable key cutting machine which semi-automatically cuts key...
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5609448 |
Apparatus for manufacturing plate for gravure
An uninterruptive power supply is connected to an engraving apparatus. When power failure occurs, with supply of electric power from a back-up power source which is disposed within the...
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5595463 |
Area machining method
An area machining method for efficiently hollowing out an area which contains a part of an outline of a workpiece is disclosed. An outward offset line is set outside the workpiece with a...
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5581863 |
Electronic control device for individual drives of machining machines and process for controlling the individual drives
An electronic control device for individual drives of machining machines, particularly of machine tools with a plurality of drive apparatuses, in which, according to the counting state of a pulse...
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5575099 |
Method and apparatus for producing signs with prismatic letters and graphic images
A method is disclosed for producing signs having raised, prismatic graphic images such as letters, numbers and other graphic images. Initial values for the graphic images are provided, and includes...
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5543103 |
Process of surface shaping
A process of surface shaping involving creating an accurate three-dimensional depiction of an object; selection a portion of said three-dimensional depiction; and incorporating said selected...
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5538372 |
Automated and integrated apparatus for three axis processing
A processing machine comprises at least three powered guides (13,15,27) for movement along Cartesian axes for a support (12) to hold a tool (21) on a horizontal table (11). Motors (14,16,19) for...
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5492440 |
Apparatus for movement of an object
The accuracy of an apparatus for the movement of an object is increased by means of compensating for geometric errors and load and temperature induced deformations. The effects of the errors and...
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5454422 |
Woodworking machines
A wookworking machine that can easily and exactly form digitizing data for a plurality of workpieces even during the working operation on the workpieces, thereby considerably increasing the working...
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5438755 |
Method of making a monolithic shrouded impeller
A high strength, monolithic shrouded impeller is made from a single blank by a method that includes the following four steps: Turning and boring a rough forging to an impeller profile; Using a...
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5407415 |
Automated composite trim workstation
An automated workstation is adapted to cut parts of different size and shape from workpieces of flat sheet or molded preforms. A fixtured workpiece is moved into the work area of a preprogrammed...
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