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7425811 |
Numerical controller
When a servomotor (control axis) is coasting and rotating in a servo-off state in which no current is applied to the servomotor, this servo-off state is switched over to a servo-on state in which...
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RE39907 |
Tolerance based motion control system
The present invention involves a tolerance based motion controller. The controller is capable of processing a group of tolerance constraints. The tolerance constraints specify where and when each...
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7130718 |
Pathcorrection for an industrial robot
A method for an industrial robot to increase accuracy in movements of the robot. A first path is formed by bringing a tool supported by the robot to adopt a plurality of generated positions. A...
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7030586 |
Method for co-ordinating and synchronizing the movement of servo-assisted axes
The invention regards a method for co-ordinating and synchronizing the movement of servo-assisted axes in machines and apparatuses which execute various industrial applications. The method in...
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7012395 |
Method 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...
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6967457 |
Monitoring device
In order to produce a monitoring device for checking for a predefined position of a body or checking for the presence of a body, comprising a pivotal check element, a motor for driving the checking...
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6781339 |
Method of controlling an electronic cam type rotary cutter, and method of producing an electronic cam curve
A method of controlling an electronic cam type rotary cutter or sealer driven by a servo motor. The method comprises preparing a correct position pattern for a whole region including cutting or...
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6757583 |
Interpolated motion control over a serial network
The invention provides a system for controlling motion in machine tools, industrial robots, and motion stages over a computer serial port. From a process or listing of coordinate data points which...
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6744233 |
Servo controller and method
An ideal position is calculated based on an ideal servo system model, the difference between the calculated ideal position and the actual position feedback is multiplied by a predetermined gain...
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6684128 |
Robot and method of controlling the robot
A robot capable of being operated at a high-speed by the full use of a power of a servo-motor, including a motor and a speed reducer, wherein the motor drives the robot through the speed reducer,...
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6677722 |
Servo control method
The servo control method operates a set value of a first-order lag time constant of a feedback compensation by both a detected mechanical position value and a transfer function corresponding to a...
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6665580 |
Automatic cutting tool management system for a computer numeric controlled machining system
A method and apparatus for monitoring the useful life of machine tools. A controller continuously monitors the amount of time a particular tool has been used as well as the materials the tool has...
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6608461 |
Apparatus for remotely controlling geared heads for motion picture and electronic medium cameras and methods for using same
A two-axis or three-axis digitally controlled microprocessor for remotely controlling an existing manually operated geared head uses digital technology to provide full precise control of the geared...
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6456901 |
Hybrid robot motion task level control system
A hybrid control system is provided for controlling the movement of a robot. The hybrid control system includes a singularity detector; a task level controller that receives a motion plan and...
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6429617 |
Drive-controlling method and apparatus and robot having the apparatus
Provided is a drive-controlling method and apparatus and a robot having the apparatus for precisely detecting a collision of a arm being driven by a robot with obstacles, and for keeping damages of...
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6400114 |
Numerical control apparatus for roll grinding machine
A numerical control apparatus for the numerical control of a roll grinding machine comprises a flaw detecting means for scanning the entire surface of a roll ( 11 ), provided with an ultrasonic...
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6339203 |
Spindle system for diesink type electric discharge machine
The main spindle ( 1 A) for the main spindle device of a diesinker electric discharge machine is connected to a high rotor inertia, high output servo motor ( 15 ) without passing through a speed...
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6310457 |
Servomotor controller
When contents of a program for machining to be executed by a servomotor indicate a cutting mode, a current command is generated by performing speed loop processing by using a speed loop gain for...
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6281653 |
Method of detecting after-running of electrical servomotors provided with means for incremental position detection
The method for detecting after-running of electrical servomotors with incremental position detection, particularly for servomotors in motor vehicles, includes detecting position signals of position...
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6252366 |
Device for digitally slaving the position of a moving part
Device for digitally slaving the position of a moving part, including: a digital sensor (20) which is intended to measure the actual position of the moving part (10) and delivers a digital...
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6215267 |
Numeric controller of rotating mechanism
Numeric controller (3) for controlling a rotating mechanism (1) having a rotor rotated by a linearly moving driving source has a rotating position command means (311) for transmitting angular...
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6130516 |
Process and device for monitoring objects
Described are a process and a device for monitoring objects, such as tools or process areas. A feeler pin (34) can be pivoted by means of an electric motor (20) in both directions of rotation,...
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6111382 |
Device for controlling tapping device provided with composite tool having boring and tapping sections
A control device which controls a tapping device provided with a feed motor for feeding a spindle in an axial direction thereof and a spindle motor for rotating the spindle about its axis. The...
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6022132 |
Method and apparatus for programming a CNC machine with a probe
A method and apparatus for programming the motion of a machine tool in a three-dimensional machining space defined by an X, Y and Z coordinate system, the machine tool having a spindle linearly...
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5936366 |
Servo adjustment method and apparatus thereof
The variation of deviations of actual positions of a moving body from corresponding command positions is quantitatively evaluated as a servo control error, whether a feedback control system is...
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5923138 |
Manually-operated handwheel interpolation-generating device
A manually-operated handwheel interpolation generating device mainly makes use of a set-up of pulse adjuster to be used by the operators to perform smoothing dressing for the handwheel's pulse...
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5907229 |
Method and device for calibration of movement axes of an industrial robot
A method for calibration of an industrial robot is provided. A calibration device comprising devices for emitting a calibration beam within the working range of the robot, and an interruption...
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5788435 |
Automated diamond cutter apparatus
First and second motors are provided for moving a workpiece support in an up and down direction and and for rotation about an axis. Third, fourth and fifth motors are provided for moving a rotating...
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5661654 |
Method of correcting error in mounting workpiece and apparatus therefor
A method of correcting an error in mounting a workpiece includes a step of determining a position and a direction of a tool on a coordinate system of the workpiece on the basis of command numerical...
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5654618 |
Process for the two-dimensional determination of a work-area contour for lathes
The invention pertains to a process for the two-dimensional determination of a work-area contour for collision monitoring of numerically controlled lathes. Disclosed is a process for the...
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5610491 |
Electrical drive system for the positioning of rotating equipment
An electrical drive system for angular positioning of one or several rotating and/or tilting machine components and equipment components, particularly of printing machines, including at least one...
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5574348 |
Tool support
A tool-receiving system 14 displaceable in one, two or three dimensions is mounted on a tool support 6 displaceable in two or three dimensions relative to the 2-dimensional or, e.g., 3-dimensional...
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5467003 |
Control method and control apparatus for a robot with sensor
A control method and a control apparatus for a robot, in which an operation line position is detected by a sensor, and real-time tracking of the operation line is performed by correcting a taught...
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5457370 |
Motion control system for cinematography
A computerised motion control apparatus for controlling a plurality of degrees of freedom of the positioning and orientation of a camera. The apparatus including a dolly (71) positionable by drive...
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5448146 |
Method for applying constant force with nonlinear feedback control and constant force device using same
An actively controlled, pneumatically-actuated constant force device (CFD) which may be fixed to a stationary mount or moved in three-dimensional space proximate a work surface. The device applies...
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5426356 |
Non-contact profile control method
A non-contact profile control method capable of being effectively applied to a model whose contour has an irregularity such as a step-like contour. A non-contact distance sensor generates a dark...
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5396160 |
Method of real-time machine path planning from a math model
A robot carrying a milling cutter or other multi-axis machine cuts a physical model and is directly driven in real time from a CAD generated mathematical model. The path planning is carried out in...
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5391968 |
Numerically controlled machine tool management system
A numerical control system for controlling a machine tool including a control device for controlling the machine tool; external portable storage device for storing data; a disabling device for...
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5373222 |
Datuming device for measuring displacements not parallel with a displacement probe's line of travel
A datuming device is provided for use with a machine tool having a movable member which is guided under computer numerical control. The datuming device permits measurement of displacements in a...
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5329457 |
Comprehensive three-dimensional rotary tool point compensation
The present invention provides a system and method to accurately provide three-dimensional rotary tool point compensation by evaluating a CNC machining center's geometric condition with respect to...
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5321346 |
NC data creation method
Disclosed is an NC data creation method for creating NC data by designating a cutting amount to be cut by a single cutting operation carried out by a cutting tool, and a target cutting amount of a...
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5305228 |
Tool axis direction calculation method
A tool axis direction calculation method for determining a direction vector of the tool axis when a side is cut be a 5-axes numerically controlled machine tool. A normal vector (Ri) is determined...
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5282144 |
Cylindrical interpolation system
A cylindrical interpolation system for machining a cylindrical surface of a cylindrical workpiece, wherein a tool diameter correcting means (104) obtains a tool center path by calculating a tool...
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5266878 |
CNC apparatus for controlling a plurality of machines
A main CPU unit and a plurality of CNC units provided on a one-to-one correspondence with machine tools, and the main CPU unit is connected with an external storage device and an input device. To...
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5266877 |
Apparatus for and method of preparing numerical control data for interactive mounter
In the invention, shapes of an insertion head, a jig and components are indicated to enable updating and new registration, and the relative position between the components and the mounter and the...
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5220510 |
Coordinate system correcting apparatus for machine tool
A coordinate system correcting apparatus corrects a reference coordinate system set for a work space of a machine tool. A plurality of jig members are distributed on a work table of the machine...
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5204599 |
Contour compensation method for numerically controlled machines
When the movement of a machine element is guided by a multi-axial, numerically controlled machine through the selection of interpolation points which are calculated and stored off-line, a...
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5189351 |
Corrective positioning method in a robot
A corrective positioning method in a robot, capable of eliminating degraded positioning accuracy attributable to inherent errors in the robot. By using displayed rotary angles of first and second...
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5163171 |
Method of setting NC data output format
When an NC data output format is to be set, the NC data output format is expressed using characters or symbols, the NC data output format is entered from an operators's panel (19) using the...
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5159251 |
Position correcting system for different workpiece machining positions
A position correcting system is incorporated in a machine tool having a plurality of workpiece machining positions. A control block (80) has a position correcting register (81) for storing position...
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