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5387061 |
Parameter monitoring compensation system and method
A compensation system for a computer-controlled machining apparatus having a controller and including a cutting tool and a workpiece holder which are movable relative to one another along...
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5330298 |
Milling machine accessory providing automatic and manual quill control
A milling machine has a lower frame portion with a saddle and a table coupled to the lower frame portion by a knee. The milling machine also has a head with a quill and spindle. The table provides...
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5311667 |
Method and apparatus for adjusting line width in a sign engraving machine
A method and apparatus for automatic line width adjustment for engraving characters on a piece of sign material utilizes two cutters sliding by each other in face-to-face opposing relationship....
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5305812 |
Programmable woodworking dovetail machine
A bench mounted machine allows an operator to produce both mating components for woodworking through and half-blind dovetails in workpieces suitable for case construction and drawer construction...
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5285572 |
Method and system for machining contoured parts
A method and system for machining a contoured surface of a part, such as a vane of a vane segment of a nozzle ring in a gas turbine engine. A plurality of original data points from the original...
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5261768 |
Automated edge finishing using an active XY table
The disclosure is directed to an apparatus and method for automated edge finishing using hybrid position/force control of an XY table. The disclosure is particularly directed to learning the...
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5246319 |
Method and apparatus for creating tool path data for a numerically controlled cutter to create incised carvings
A 2-dimensional drawing of closed shapes and/or letters is processed for incised carving with a conical tool. Each closed shape is processed independently to generate a plurality of connected...
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5246316 |
Work table orientation apparatus and method
A method of precisely calibrating a spindle position with respect to a drilling apparatus worktable. The drilling apparatus includes a control device, which calculates an expected relative position...
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5217335 |
Plastic lens generator and method
The generator for plastic lenses comprises a rotatable chuck for rotating an optical lens blank on a first axis. A drive system displaces the chuck and thereby the lens blank generally transverse...
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5214592 |
Machine tool position correcting method and apparatus
A machine tool position correcting method and apparatus applied to a machine tool including a spindle head provided on a column and a ram which is movable horizontally on the spindle head and has a...
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5193952 |
Inner circle cutting control apparatus for numerically controlled machine tool
An apparatus for cutting an inner circle in a workpiece with a cutter of a numerically controlled machine tool linearly moves the cutter from the center of an inner circle in the workpiece in a...
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RE34125 |
Roller hold down device
A roller hold down device for removable work table which has a pair of rollers which extend transversely across the workpiece mounted on the movable table so as to hold it down and with a pair of...
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5144740 |
Numerically controlled machine tool with automatic tool exchange device and indexing device
The numerically controlled machine tool provided with an automatic tool exchange device and a work indexing device. After the spindle head completely retreats, the preparation for the next tool,...
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5139373 |
Optical lens pattern making system and method
A system and related method or process for producing a pattern for a lens to be formed and then placed in an opening in an eyeglass frame utilizes a frame tracing apparatus for providing coordinate...
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5137399 |
Apparatus for processing workpieces
An apparatus for processing workpieces, comprises a fixing deck, which has a supporting surface and is provided with fixing device, and a numerically controlled tool unit, which is movable over the...
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5015130 |
Contour profiling machine
A contour profiling machine for the purposes of shortening the period of time for rough machining and forming a smooth machined surface in the execution of machining wherein the outer part or inner...
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4989316 |
Method and apparatus for making prescription eyeglass lenses
In a method and apparatus for making a lens for a pair of prescription eyeglasses a lens blank is shaped and finished on one of its major surfaces through the use of a machine controlled by the...
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4984351 |
Machine tool
A machine tool includes two movable tables on which workpiece is mounted. A base mount has an upper surface provided with at least two machinable regions and workpiece handling regions. A column is...
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4956786 |
Marking or engraving machine
A component part number marking or engraving machine has a microprocessor controlled marking or engraving tool in which a range of part numbers, and the corresponding instructions for operating the...
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4944643 |
Torque thrust and surface sensing device
A tooling device for numerically controlled machining centers having programmable torque, thrust and surface sensing utilizing a telescopic tool holder comprising an adapter to be retained in the...
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4937928 |
Method of making a dental crown for a dental preparation by means of a CAD-CAM system
A method of making a dental crown for a dental preparation by means of a CAD-CAM system. In the method, first a model of the dental preparation is made from a refractory material under the control...
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4893971 |
NC machining apparatus
A machining apparatus for making the scroll parts comprising a headstock including a spindle for supporting a workpiece for rotation, a tool holder for supporting a machining tool, a first carriage...
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4834595 |
Computer controlled engraving by a rotating milling tool
Method and apparatus for engraving a surface by a rotating tool movable along X, Y and Z axes under computer control. The tool projects through a slit in a housing, the slit having a height greater...
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4784539 |
Tool communications method
An intelligent Tool System used with Computer Numerical Controlled machining centers consisting of a method of establishing tool presence and type of tooling device and a method of eliminating any...
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4711035 |
Method and apparatus for making a pattern for a lens opening in an eyeglass frame
A method and apparatus for making a pattern from a blank in accordance with a set of coordinates defining a plurality of data points and collectively characterizing the size and shape of a lens...
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4703415 |
Method of approach in area cutting
A method of approach in area cutting includes giving in advance an angle θ between a workpiece plane (WPL) and a straight line (SL) connecting an approach starting point (P A ) and a cutting...
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4688973 |
Automated machine tool
An automated machine tool is provided having an adjusting apparatus for changing the cutting radius of a cutting tool by changing the tool's position on a horizontal axis perpendicular to the axis...
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4674928 |
Milling machine controller
The controller attaches to a milling machine such as the well-known Bridgeport miller so as to adapt the machine to programmed automatic operation. Controls are associated with all axes of...
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4656726 |
Drilling machine tool
A drilling machine tool is disclosed having a machine tool body with a movable frame which is movable in the three axial directions X, Y and Z, of a rectangular coordinate system. The tool includes...
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4643622 |
Automatic C-axis feedrate control for machine tools
A machine tool is provided with a controller for computing, as a function of an established radius and a preset feedrate, a rotational speed for rotating the machine spindle to provide a uniform...
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4639172 |
Trace control method
Provided is a tracer control method in a master-slave type tracer system having first and second tracer units in each of which a tracer controller (TCC 1 , TCC 2 ) generates velocity commands (V x...
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4597145 |
Tapping machine
A tapping machine of the type in which the workpiece is automatically positioned, has a releasable connection of the worktable and carriage with the means for horizontally moving the worktable and...
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4588339 |
Tool holder for a cutting machine provided with numerical control
A tool of a metal-cutting machine provided with numerical control has an information data carrier for storing various data of tool characteristics such as the length, diameter, service life and...
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4583280 |
Methods and means for sequentially measuring the times involved in a plurality of manufacturing operations and for detecting mechanical malfunctions in an automated system
A series of steps are performed at a plurality of stations on a component as it is automatically transferred from one station to the next during a manufacturing operation. Means and methods for...
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4561814 |
Mechanical tool manipulating method and apparatus
A mechanical tool manipulating method and apparatus including apparatus and process for splitting axes of drive, wherein the drive means include preloaded lead screw nuts for minimal backlash, and...
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4558977 |
NC Method and system for machining a 3D contour in a workpiece
A numerical-control (NC) method and system for machining a desired three-dimensional contour in a workpiece with an axial tool, e.g. a rotary milling cutter or electroerosion electrode, formed at...
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4536111 |
Machine tool having numerically controlled adjustable arbor set up for straddle milling
A machine tool having a numerically controlled adjustable arbor for facilitating different straddle milling operations on random workpieces without the need for manual adjustment of the cutter...
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4534685 |
Tracer control system
The present invention pertains to a tracer control system for a system performing tracing in an arbitrary direction using a combination tracer control-numerical control unit which is a combination...
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4534096 |
Valve seat with trapped O-ring
A valve seat (28) having a generally saddle-shaped, eccentric surface (52); a groove (50) of constant depth and width formed in the eccentric surface, having sidewalls (70) perpendicular to the...
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4533286 |
Tool compensation method
A tool compensation method for cutting a surface on a workpiece having a slanted surface. A radius at a final point is determined by a path computing unit using coordinates of the final cutting...
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4530627 |
Pinless router
A pinless router comprising a router coupled to a movable support arranged and configured such that it has at least one separable portion which may be decoupled from the remainder of the support, a...
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4528780 |
Process and apparatus for the control of position of a tool of an edge-processing machine for glass panes
A process and apparatus for the control of the path of the grinding tool of an all-around edge grinding machine supporting a glass pane for movement about a rotational axis. The grinding tool is...
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4519167 |
Process and apparatus for the automatic control of movement of an edge grinding machine
The invention is in a process, and the apparatus, for path control of a processing tool of a grinding machine for an all-around edge grinding of a glass pane. A cross sled supports the processing...
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4512380 |
Apparatus for the transverse and/or longitudinal machining of wooden workpieces
The invention relates to apparatus for the transverse and/or longitudinal machining of wooden workpieces, comprising a workpiece carriage for mounting a workpiece or a plurality of workpieces...
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4469930 |
Three-dimensional laser cutting system by a playback method
A three-dimensional laser cutting system by a playback method, adapted to cut work pieces by means of a laser beam. The system comprises a three-dimensional drive machine provided on its main head...
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4447178 |
Horizontal drilling and milling machine with a headstock moving up and down in guides
A horizontal drilling and milling machine comprises a vertically movable headstock and a spindle sleeve mounted for horizontal run-out from the headstock. Typically, an outer end of the spindle...
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4355446 |
Automatic tool changer of machining center
A vertical-type machining center having a spindle carrier which travels in the vertical direction and a turret capable of both rotation and upward and downward movement provided on the spindle...
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4328726 |
Apparatus and method for working on successive segments of sheet material
Apparatus for cutting patterns from successive contiguous segments of an elongated layup of sheet material has a zoned vacuum table which includes an endless bristle mat conveyor, for shifting a...
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4305689 |
Crankshaft milling machine
A crankshaft milling machine comprising a bed, a pair of rails fixedly secured to the bed, a spindle fixedly mounted on the bed, a chuck mounted for rotation on one end of the spindle, a first...
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4304512 |
Machine tools
A machine for machining sheets comprises an arrangement for compressing the sheets to be machined. The arrangement is rotatable about a longitudinal axis comprises at least two rollers for bearing...
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