U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 318/571 - With "feed-rate" control


Subclass of Class 318 - Electricity: motive power systems
Definition: Subject matter in which means are provided for controlling
No. of patents: 429
Last issue date: 09/29/2009


1                      
NumberTitleIssue Date
7595602Apparatus for machine tool feedrate override using limiting parameters corresponding to actual spindle speed
An apparatus, machine tool, and method for adaptively controlling a feedrate of a machine tool are provided in which a plurality of maximum spindle power and/or radial load values, each corresponding to a spindle rotational speed, are received, stored and applied. A...
09/29/2009
7508152Apparatus for machine tool feedrate override using limiting parameters corresponding to actual spindle speed
An apparatus, machine tool, and method for adaptively controlling a feedrate of a machine tool are provided in which a plurality of maximum spindle power and/or radial load values, each corresponding to a spindle rotational speed, are received, stored and applied. A...
03/24/2009
7501779Turret servo control device with overriding and control method thereof
Disclosed herein is a turret servo control device with an overriding function and control method thereof. The turret servo control device comprises: a feed information-generating means for generating at least one of feed information of a turret as a control command ...
03/10/2009
7425811Numerical 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 current is applied to the servomotor, and a position control and a spe...
09/16/2008
7368887Servo control device and method of adjusting servo system
A servo control device that displays, by a two-dimensional image, evaluation of control precision of a servo system, includes: an instruction unit that instructs a position instruction having periodicity; a unit that records a track of position data based on a posit...
05/06/2008
7361206Apparatus and method for water vapor removal in an ion mobility spectrometer
The present invention is directed to an apparatus and a method for continuously removing water vapor from a closed loop, re-circulated gas flow in an ion mobility spectrometer using a water permeable membrane, having a first side and a second side opposite the first...
04/22/2008
7346423Method for adaptive feed rate regulation on numerically controlled machine tools
In a method for the adaptive feed rate regulation on a numerically controlled machine tool, which is used for the metal-removing processing of workpieces using a tool rotating on a spindle according to the specification of an NC program, the input power of the spind...
03/18/2008
7340985Method and device for vibration control
A device and method for vibration control in a machine for cutting, said machine comprising a cutting tool supported by a tool holder. The device comprises a control unit and converting means which are connectible to the control unit and comprise a vibration sensor ...
03/11/2008
7341116Drilling efficiency through beneficial management of rock stress levels via controlled oscillations of subterranean cutting elements
A device and system for improving efficiency of subterranean cutting elements uses a controlled oscillation super imposed on steady drill bit rotation to maintain a selected rock fracture level. In one aspect, a selected oscillation is applied to the cutting element...
03/11/2008
7319909Position control device, measuring device and machining device
In a quadruple loop position control device (1) including: a drive controller (5) having a current control loop that controls motor current (I) and a motor speed control loop that controls a motor speed (Vm); a speed control loop (3) that contro...
01/15/2008
7319910Method and device for controlling a movement of a movable machine element of a machine tool or production machine
A method and device for controlling a movement of a movable machine element of a machine tool or production machine with at least two drive axles are disclosed. At least one mechanical characteristic frequency is determined for each drive axle of the machine, and th...
01/15/2008
RE39907Tolerance 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 tolerance constraint is to be applied, along with the information spec...
11/06/2007
7286890Transfer apparatus for target object
A processing system includes a transfer chamber, a plurality of chambers connected to the transfer chamber, a transfer apparatus disposed in the transfer chamber, and a control section configured to control the transfer apparatus. The transfer apparatus includes a b...
10/23/2007
7280899S-type smooth command generating method and means thereof
An S-type smooth command generating method and the means thereof are provided to process the motion commands smoothly, thereby generating continuous velocity commands and position commands. The provided method not only improves the motor's ability of acceleration/de...
10/09/2007
7274968Method of serial communication method between NC device and a plurality of servo amps for servomotors
A communication control system and method of communicating between a numerical control device and a plurality of servomotors, includes connecting the numerical control device to a plurality of servoamps of the plurality of servomotors in a loop configuration via bi-...
09/25/2007
7274165Numerical controller
A numerical controller capable of mitigating mechanical shock caused by tool compensation while a machine tool is operated according to table data. X- and Z-axis path tables Tx, Tz store X- and Z-axis positions corresponding to reference positions (time or spindle p...
09/25/2007
7248012Teaching data preparing method for articulated robot
Set the first temporary attitude of an end effector for a plurality of work points (step S3). Determine the attitude of an articulated robot at one-end first work point out of a plurality of work points (step S4). Determine the attitude of an articulat...
07/24/2007
7174226Numerical controller for carrying out learning control
A numerical controller having a learning control function executes commands in an NC program, starts performing learning control from a location where the same operation pattern starts occurring, and stops performing learning control at a location where the same ope...
02/06/2007
7174270Rotation angle detecting apparatus and method of detecting rotation angle
A rotation angle detecting apparatus having a reference signal-generating device that generated a reference signal; a rotation angle detecting section that generated an output signal in response to the reference signal; a feedback control section that determines a r...
02/06/2007
7161620Moving pedestal for a camera including wheels and sensors for detecting a moving amount thereof
A method is provided for picking up an image of an object with a camera mounted via a pan head on a moving pedestal. A reference position on a floor surface on which the moving pedestal moves and a reference angle of the moving pedestal are both set. A moving amount...
01/09/2007
7159440Tool evaluation calibrator and method
To calibrate a tool evaluator having a first sensor, where this first sensor is operable to sense a force and transmit a first signal associated with the sensed force, a second sensor is disposed within the tool evaluator. This second sensor is operable to sense the...
01/09/2007
7155298Device and method for generating and/or editing NC programs or NC tables
In a device and a method for generating and/or editing NC programs, where in a programming mode, input fields for machining data and selection lists belonging to the input fields and including permissible machining data are displayed on a display unit. In a configur...
12/26/2006
7138780Process for the control of the position of workpiece and tool with a robot in a production machine
The invention relates to a process for the control of the position of workpiece and tool with a robot in a production machine. The objective of the invention is to reduce non-productive secondary processing time during the processing or measuring of a workpiece with...
11/21/2006
7129665Control apparatus for feed driving system
A control apparatus for a machine that can be operated at high precision in a stable control state is provided by driving a movable body with control parameters suited to the mechanical state. A control parameter calculation circuit is provided to obtain control par...
10/31/2006
7129664Robot controller
A robot hand is moved at a moving speed in direct movement from a start position to an end position. When the robot hand passes through a setting position on a movement route from the start position to the end position, a setting position passing signal is outputted...
10/31/2006
7130718Pathcorrection 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 plurality of observed positions of the tool moving along the first path a...
10/31/2006
7111535Microtome
A microtome includes a knife holding device for a cutting element (16) and a specimen holding device (12). Associated with the specimen holding device (12) for a cutting movement is a first drive device (18) and associated with the specim...
09/26/2006
7088064Method 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 rest. The method includes performing a first phase of orientation of ...
08/08/2006
7085620Servo controller
In response to a learning control start command from an external apparatus, an input switch for inputting a position deviation to learning control means and an output switch for outputting correction data from the learning control means are turned on, respectively, ...
08/01/2006
7084596Servomotor driving controller
A servomotor driving controller capable of highly accurate machining, which prevents a quadrant projection upon change in the quadrant where machining is made. After the position deviation converges to zero by means of learning control, the velocity command or a dif...
08/01/2006
7070368Method 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 workpiece portion in an area corresponding to a workpiece shape of the ...
07/04/2006
7062334Positioning control method, positioning control device, and electronic component mounting apparatus using same
There are provided a positioning control method and a positioning control device, which enables high speed positioning with low power consumption without repeating two or more acceleration and deceleration operations during travel from an original position to a targ...
06/13/2006
7049784Drive voltage generating apparatus and method for controlling the same
A first drive voltage generating section corresponds to a first motor, and a second drive voltage generating section corresponds to a second motor. Each of the first drive voltage generating section and the second drive voltage generating section includes switching ...
05/23/2006
7044038Microtome
A microtome includes a knife holding device for a cutting element (16) and a specimen holding device (12). Associated with the specimen holding device (12) for a cutting movement is a first drive device (18) and associated with the specim...
05/16/2006
7036605Power tools
A detector is disclosed that detects impact sounds, e.g., a hammer striking an anvil or oil pulses from an oil unit. The detector may comprise a receiver that selectively converts sound within a narrow frequency range into electric signals. Preferably, the impact so...
05/02/2006
7034491Numerical controller
For outputting an amount of backlash compensation according to the direction of reversal in the reversal motion of the moving axis, three output modes are prepared: (a) a mode in which a preset backlash compensation is outputted all at once, (b) a mode in which back...
04/25/2006
7030586Method 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 object is applied in the programming of electronic control systems using s...
04/18/2006
7024269Numerical control apparatus
Foreground program execution means executes a program, and outputs movement commands to a control object. Meanwhile, background program execution means checks abnormalities by executing the program, without outputting the movement commands, obtained by executing the...
04/04/2006
7016763Method for track control
A method for continuous-path control includes predefining at least two global tolerances to a numerical control and predefining, to the numerical control, a tool path including support points, a non-continuously differentiable corner of the tool path being situated ...
03/21/2006
7003373Method and device for numerical control
A method and a device for numerical control of machine tools, robots, production machines and the like, is described, whereby complex and large task can be processed more easily. This is realized by a numerical controller which can generate a marker signal, in parti...
02/21/2006
1                      
 
Sign InRegister
Username  
Password   
forgot password?