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Class 700/194 - Coordinate transformation technique


Subclass of Class 700 - Data processing: generic control systems or specific applications
Definition: Subject matter which includes conversion of positional locations
No. of patents: 89
Last issue date: 01/11/2011


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NumberTitleIssue Date
7869899Machine tool method
Apparatus and method for fitting a workpiece to geometric design data of a workpiece. Nominal data points are selected from the geometric design data. Command codes are created to generate measured data points. The measurement data points have associated nominal mea...
01/11/2011
7853352Method of self calibrating a positioning system for positioning an element in a working space
A method of self calibrating a positioning system, by positioning a reference device provided with reference markings at different calibration locations, and sensing the positions of the reference markings at each calibration location, is provided. The calibration p...
12/14/2010
7444202Method for smoothing polylines in NC programs
In a method for smoothing polylines in NC programs, the coordinates of points which, connected by linear segments, represent an original polyline, are shifted in a geometrical filter unit such that a resulting polyline, made up of coordinates of points, is smoothed ...
10/28/2008
7403833Method for optimizing spatial orientations of computer-aided design models
A method and system for building one or more three-dimensional objects, where the method includes providing a computer-aided design model of a three-dimensional object having an initial spatial orientation in a coordinate system, and determining an optimal spatial o...
07/22/2008
7364391Manufacturing straight bevel gears
A method and tool arrangement for producing straight bevel gears and the like on a multi-axis computer controlled machine wherein a single tool is utilized in the machining process. ...
04/29/2008
7363199Method and apparatus for simulating soft object movement
Movement of a soft body is simulated by defining its surface as an arbitrary mesh of points connected by edges. Each point is represented as a point mass, subject to conventional laws of motion. The simulator represents forces acting on the point masses, namely skin...
04/22/2008
7317992Method and apparatus for inspecting dovetail edgebreak contour
A method and tooling for inspecting a contour of an edge of a cutout formed in a disk, each cutout fixedly receiving a turbine blade. A first device receives the disk containing the cutouts. A second device has a sensor associated with the movement of an instrument,...
01/08/2008
7283888Method and system for controlling a machine tool with direct transfer of machining data
Method and system for a direct transmission of motion path data (310) from a generating system (204) to a control system (205) for use in controlling a servo-driven machine. For example, a machine tool for machining stock material, and the data ...
10/16/2007
7272524Method and a system for programming an industrial robot to move relative to defined positions on an object, including generation of a surface scanning program
A method and a system for programming an industrial robot to move relative to defined positions on an object. The system includes a geometrical model of the object, the real object, and an industrial robot. A plurality of measuring points are generated corresponding...
09/18/2007
7245975Skew compensation
A system and method for generating master and slave reference signals is disclosed, wherein at least one axis of the plurality of axes is a master section and at least one axis of the plurality of axes is a slave section, said slave section being a slave of said mas...
07/17/2007
7236853Automated robot alignment system and method using kinematic pins and end effector sensor
A method and system can align a robot arm with a payload station. A probe and a contact detector may be positioned on the robot arm and three pins may be placed on the payload station. A controller may move the robot arm in a pattern over the payload station until c...
06/26/2007
7212883Machine readable medium and method for determining feature-relating tolerance consumed
A machine readable medium and a method are disclosed that determine whether a pattern of manufactured or simulated features violates a feature relating tolerance and determines acceptability of the pattern. Allowable tolerance may include feature relating tolerances...
05/01/2007
7194329Numerical control apparatus and numerical control system
An NC apparatus controls a position of a tool by driving a plurality of shafts with a plurality of servomotors. The shafts includes at least one clamp shaft that can be mechanically clamped or non-clamped. A clamp determining unit determines whether a state of the c...
03/20/2007
7184854Device and method for generating piston outline machining data and computer-readable recording medium on which machining data generation program is recorded
A machining data generator generates NC machining data specifying machining operations for shaping the external shape of a piston. The machining data generator uses a machining data sheet (provided by a spreadsheet software) describing noncircular part shape data on...
02/27/2007
7180253Method and system for generating multi-dimensional motion profiles
A motion control system comprises control logic and a programming interface. The programming interface is configured to permit a user to specify a plurality of non-tangential path segments, and the control logic is configured to generate a plurality of additional co...
02/20/2007
7062353Method and system for reconstructing a surface
The invention relates to especially simple, rapid and multidimensional surface reproduction. According to the inventive method for reconstructing a surface of a structure which is described by 3D data points in chronological order, 3D data points are processed using...
06/13/2006
7039992Lathe
A lathe 1 comprises a bed 5, a headstock 10 having a housing 13 and a support base 14, a main spindle 11, a first tool rest 44, and a second tool rest 50. The support base 14 is formed so as to have a co...
05/09/2006
7039492Numerical control apparatus for machine tool and numerical control method for machine tool
A numerical control apparatus for machine tool, includes: an NC program storage portion for storing an NC program; a block skip command detection portion for detecting whether a block skip command for skipping execution of blocks after a position where the block ski...
05/02/2006
7039494Controller for machine
A controller that eliminates an error caused by acceleration/deceleration control, and controls the velocity of drive axes which is not represented by a rectangular coordinate system such that maximum allowable values of velocity, acceleration, and jerk of the drive...
05/02/2006
7012395Method for continuous-path control
In a method for continuous-path control in at least two linear axes and at least one angle axis, the movement of a tool relative to a workpiece is predefined by a parts program for a numerical control. The velocity control in the numerical control is performed separ...
03/14/2006
7006879Boring method for circuit board
In a separate process from a boring process, the prealignment is performed beforehand on the circuit board, employing an alignment device, to create the positional data indicating the position of boring the hole in a pattern within the circuit board. In the boring p...
02/28/2006
6999844Numerical controller
A numerical controller for performing an machining operation by controlling relative position of a workpiece and a tool in synchronism with a rotational position of a rotational axis to which the workpiece or the tool is attached, without causing time delay of posit...
02/14/2006
6968241Device and method for controlling the position for working devices of mobile machines
The invention relates to a device for controlling the position for work devices (41) of mobile machines (40). The inventive device comprises a measuring device (1,2) for measuring an angle (α) which is formed between a level (42) that is...
11/22/2005
6951060Method for transmitting control commands from a transmitting element to a measuring probe
In a method for the wireless transmission of a control command from a transmitting element to a measuring probe using electromagnetic signals, the control command includes at least one bit sequence which is made up of high bits and at least one low bit. The high bit...
10/04/2005
6934601Numerically controlled curved surface machining unit
A numerically controlled curved-surface machining unit comprises a component converting matrix·angle-addition value forming function of converting CL (cutter location) data into components on a normal coordinate system on the basis of the machine configuration of t...
08/23/2005
6909939Numerical control method and numerical control device
Two shafts whose moving directions do not intersect orthogonally with each other are set, then any one shaft of two shafts as an oblique reference shaft is set, then information based on an angle between two shafts whose moving directions do not intersect orthogonal...
06/21/2005
6908265Method of machining workpieces having straight surface recesses
In a method of machining a first and a second surface recess in a workpiece, the workpiece has a longitudinal axis and a first local Cartesian coordinate system. The machine tool has a longitudinal axis and a second local Cartesian coordinate system, the first and s...
06/21/2005
6895299Systems and methods for representing complex n-curves for direct control of tool motion
A method for controlling a mechanism through the use of higher-dimensional n-curves is disclosed. An electronically-controlled mechanism is provided. Electronic communication is established between a computer and the electronically-controlled mechanism. A controller...
05/17/2005
6845288Method and device for measuring a position of a passing sheet
The position of sheets in a printing press is measured. A problem in transporting sheets through the printing press is how to guarantee the correct orientation and lay of the sheets, which must be guaranteed particularly in the printing operation. There is provided ...
01/18/2005
6721623Woodworking and home improvement calculator
The specification discloses a woodworking and home improvement calculator particularly adopted for symplifying common home improvement calculations. The calculator includes a variety of special keys including a gravel, cement, tile, brick, block, 4×8 sheet, paint, ...
04/13/2004
6701210Method and controller for creating and optimizing flexible, top-quality cam-disk functions directly via the control program/user program
A method for creating and/or optimizing a cam-disk function for a controller for controlling a moving machine element of a numerically controlled production machine during its operating time system, movement of the machine element being described in secti...
03/02/2004
6697700Correction 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 second tool rest 108 which are movable in the X-axis direction and in t...
02/24/2004
6677721Method of control and control structure for the movement control, pre-control and fine interpolation of objects in a speed controller clock which is faster than the position controller clock
The invention makes it possible to execute the pre-control and the fine interpolation in the drive (A) in the fast drive clock (tDR) with a slower path pre-setting in the clock (tNC) of the NC. For this purpose, in each NC clock (tNC) a setpoint speed val...
01/13/2004
6662071Method of manufacturing precision parts with non-precision fixtures
A method (28) for manufacturing a precision part (18) utilizing a non-precision fixture (10). The non-precision fixture is precisely measured (40) and modeled in a CAD program (42) together with a model of the part (30). The part model is nested (48) into...
12/09/2003
6651019Method and apparatus for calculating correction value for thermal displacement in machine tool
A method and apparatus by which accurate correction values for thermal displacement is calculated even when the rotation of the main spindle is restarted after interruption. The apparatus has means 2, 3 for measuring the temperature near the main spindle ...
11/18/2003
6606535Numerical control apparatus and feed control processing method therefor
A machining program is read in and interpreted and a determination is made as to whether the amount of movement called for by a block of commands is larger or smaller than a minimum amount of movement that is established by a feed speed and a one sampling...
08/12/2003
6567713Method and apparatus for registration control during processing of a workpiece, particularly during producing images on substrates in preparing printed circuit boards
A method and apparatus for controlling a processing machine to perform a processing operation on a workpiece by (a) determining the nominal locations of at least two sensible reference marks on the workpiece in terms of the coordinates of the workpiece; (...
05/20/2003
6456897Control method and numerical control for motion control of industrial machine tools
Control of machine tools and industrial robots is usually implemented in a cascade structure, having not only numerous advantages but also the fundamental disadvantage of lower dynamics in the response to set point in comparison with a single control loop...
09/24/2002
6456896Apparatus and method for thermal displacement correction for a machine tool
The position of a feed shaft is monitored, the mean moving speed and moving frequency of the feed shaft are measured with every unit time for position correction, and a correction amount δn is determined from the speed and frequency according to an appro...
09/24/2002
6351677Method and device in a telecommunication system
According to the invention, a Cartesian control means (16) comprising a phase rotator (50) and a phase adjuster (52) is provided. With a method and a device according to the invention, a system is provided that is unconditionally stable with respect to no...
02/26/2002
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