Class / Patent application number | Description | Number of patent applications / Date published |
700175000 | Condition of tool or workpiece (e.g., tolerance, tool wear) | 37 |
20080215178 | METHOD FOR ESTIMATING THERMAL DISPLACEMENT IN MACHINE TOOL - After a thermal displacement correcting program has started, a temperature is measured with a temperature sensor in S | 09-04-2008 |
20080228314 | Dynamic maintenance plan for an industrial robot - A method for establishing a dynamic maintenance scheduling tool for a specific part of a machinery based on condensed prior knowledge of the part of the machinery in a population of machineries. The scheduling tool is in turn used in a method for establishing a dynamic maintenance schedule for a specific part of a specific machinery, wherein parameters related to the usage, including relevant parameters representing factors influencing the lifetime of the specific parts, are utilized as input data to the dynamic maintenance scheduling tool for the specific part of the machinery, whereupon a dynamic maintenance schedule for the specific part of the specific machinery is achieved as output data from the scheduling tool. The method is in particular dedicated to industrial robot systems. | 09-18-2008 |
20090018694 | Method for compensating wear of a finishing tool - The invention is a method of creating greater accuracies for wear compensation of a finishing tool during the finishing of workpieces, in which a reference surface is ablated by initially traversing the finishing tool over the reference surface and determining the actual wear of the finishing tool as a result of this initial feed motion of the finishing tool controlled by an NC feed program of an NC machine. The actual measured wear of the finishing tool as a result of the initial traversing feed motion over the reference surface is compared to a known empirical wear trend line for the workpiece and the feed motion of the NC feed program for the next workpiece is recalculated as a function of the comparative actual wear of the finish tool with respect to the known empirical wear trend line. | 01-15-2009 |
20090030545 | NUMERIC CONTROL DEVICE OF MACHINE TOOL - A numeric control device with a simple structure of a machine tool, capable of detecting a defect of a spindle or a spindle motor of the machine tool and automatically informing an operator of the defect. A numeric control device has a first storing part, a calculating part and a judging part. The first storing part stores master vibration data of the spindle or the spindle motor, the master vibration data being prepared by associating data of the vibration outputted from a vibration sensor arranged on the spindle or the spindle motor with an operation pattern for detecting the defect of the spindle or the spindle motor. When a difference value between the master vibration data and newly obtained data exceeds a predetermined reference value, the judging part determines that the new data is abnormal. | 01-29-2009 |
20090043418 | Machine tool having a tool checking device - A machine tool for chip removing machining operations on workpieces using tools comprises a tool checking device for checking a tool of the machine tool as regards damage or fracture by means of a sensor. There is a provision on the machine tool such that sensor is a contact-free sensor arranged on a movably disposed sensor holder, that the tool checking device possesses a drive for the sensor holder to shift the sensor toward and away from the tool to be checked and that the machine tool or the tool checking device possesses a control module for the control of the drive to perform a measuring excursion so that the drive shifts the sensor for a measurement of a tool to be checked for a measurement toward the tool and after the measurement shifts it away from the tool. | 02-12-2009 |
20090312863 | METHODOLOGY FOR EVALUATING VALVE SEAT CHARACTERISTICS WITH A VISION-BASED SYSTEM - A system and method for inspecting a machined surface. The method includes acquiring optical information of the machined surface from a predefined orientation. Further, the method includes comparing one or more parameters of the optical information with a corresponding one or more reference parameters. Furthermore, the method includes assessing a quality of the machined surface based on the comparison. | 12-17-2009 |
20100010662 | VIBRATION SUPPRESSING METHOD AND DEVICE - A stable rotation speed is acquired by finely changing a rotation speed of a rotary shaft | 01-14-2010 |
20100023156 | METHOD AND APPARATUS FOR MONITORING OR CONTROLLING A MACHINE TOOL SYSTEM - A system for remotely monitoring one or more machine tool systems is disclosed. The system may monitor a plurality of machine tool systems which are associated with different customers and at a plurality of facilities. A remote user may access information regarding the machine tool system through a user interface and specific that notifications be sent upon the occurrence of various conditions. A system for updating software of a machine tool system is also disclosed. | 01-28-2010 |
20100063617 | MACHINING STATE CHECKING METHOD AND MACHINING STATE CHECKING APPARATUS - The present invention provides a machining state checking apparatus and method for checking whether a workpiece mounted on a machine tool and a workpiece fixture are shifted. A machining state checking apparatus has an actual CCD camera for imaging a workpiece fixed on a machine tool and a workpiece fixture and generating actual two-dimensional image data thereof, a virtual image generating section for generating virtual two-dimensional image data of the workpiece and workpiece fixture based on data on three-dimensional models of the workpiece and workpiece fixture, a comparing section for comparing the actual two-dimensional image data and virtual two-dimensional image data generated by the actual CCD camera and the virtual image generating section, respectively, and determining whether they match each other by comparing the portions corresponding to the workpiece and workpiece fixture in the actual two-dimensional image and the virtual two-dimensional images of the workpiece and workpiece fixture. | 03-11-2010 |
20100280649 | METHOD AND SYSTEM FOR GASH PARAMETER EXTRACTION OF A CUTTING TOOL - A method for extracting gash parameters of a cutting tool, comprises positioning the cutting tool on a moveable stage, scanning two or more gash sections of the cutting tool to generate two or more gash section scanning point clouds, indexing multiple points of the gash section scanning point clouds, detecting multiple gash features using the indexed gash section scanning point clouds, projecting multiple point clouds of the gash features of the indexed gash section scanning point clouds to form one or more projected gash feature point clouds, identifying one or more types of the one or more projected gash feature point clouds, segmenting the one or more projected gash feature point clouds based on the type identification, and extracting one or more gash parameters based on the segmentation of the one or more projected gash feature point clouds. A system for extracting the parameters is also presented. | 11-04-2010 |
20110118865 | METHOD OF DETERMINING THE CONDITIONS OF A PHASE FOR MACHINING A WORKPIECE WITH MODULATED CUTTING RATE - A method of determining conditions for machining a part so as to avoid vibration appearing during the machining. A machining stage is simulated by provisionally setting parameters of a function for modulating cutting speed, by deducing a corresponding surface state, by modifying parameters iteratively with the machining stage being simulated each time until the surface state reaches an acceptable value, and by performing the machining stage by causing the cutting speed to vary in application of the corresponding modulation function. | 05-19-2011 |
20120165971 | THERMAL DISPLACEMENT CORRECTING APPARATUS AND METHOD FOR A MACHINE TOOL - A thermal displacement correcting apparatus includes a correction amount estimating device and a parameter automatic selecting device that, in a machine tool having two different sets of specifications that differ due to the presence/absence of a scale and different methods of measuring the lengths of a bed and a table, estimate a thermal displacement correction amount of the machine tool of each set of specifications. The two devices store a collection of parameters for an estimated thermal displacement calculation corresponding to each of the bed, the scale, the table, and a workpiece, as a database, and select the parameters belonging to the set of specifications from the database based on machine information according to each set of specifications, calculate estimated thermal displacements of the bed, the table, and the workpiece, or also the scale, according to the selected parameters, and combine the estimated thermal displacements. | 06-28-2012 |
20130190920 | MACHINING CONDITIONS SETTING SYSTEM, MACHINING CONDITIONS SETTING METHOD, AND WORKPIECE MACHINED USING THE SAME - It is provided that a machining conditions setting system and a machining conditions setting method with which it is possible to select a machining condition for machining according to a target degree of hardness and obtain a predetermined degree of hardness by performing only the machining. The machining conditions setting system includes: a machining conditions database that, by determining in advance a relationship between the machining condition and a degree of hardness of the workpiece machined under the machining condition, stores the machining condition corresponding to the material of the workpiece and a range of degree of hardness for machining; and machining conditions selection means into which a material of a workpiece and a target degree of hardness are input, and which outputs a machining condition under which machining with the target degree of hardness can be performed, referring to the machining conditions database. | 07-25-2013 |
20130211573 | ONLINE REAL-TIME CUTTER BREAKAGE MONITORING METHOD - An online real-time cutter breakage monitoring method uses a plurality of signals generated in three consecutive time periods by a vibration acceleration during a cutting process conducted by a CNC machine tool, and compares a difference between a maximum value of signals in each time period and an average value of the signals and a difference between the average value of signals thereafter and an idling critical value to output a first cutter breakage signal and a second cutter breakage signal simultaneously and determine the occurrence of a cutter breakage and shut down the CNC machine tool immediately to improve the determination speed and accuracy, so as to avoid unnecessary shutdowns or hindering the manufacturing flow. | 08-15-2013 |
20130211574 | CUTTER CHATTER MONITORING METHOD - A cutter chatter monitoring method comprises the steps of capturing a cutting vibration acceleration signal; dividing the cutting vibration acceleration signal in each predetermined time period into a plurality of segments; determining whether the vibration acceleration signal of each segment is increased by a multiple greater than a threshold value; performing a Fast Fourier Transform of the cutting vibration acceleration signal in each predetermined time period; calculating a vibration frequency; determining whether the vibration frequency of the cutting vibration acceleration signal is a multiple of a cutter passing frequency; and increasing a main shaft rotating speed of a cutter to avoid cutter chatters if both aforementioned conditions are satisfied. | 08-15-2013 |
20130304248 | Method and Apparatus for Automated Configuration of a Monitoring Function of a Machine Tool - System and method for automated provision of a monitoring function for a machining process which is to be executed by a machine tool. A computer-aided manufacturing (CAM) program of the machining process is automatically analyzed by means of a postprocessor in order to determine processing steps to be monitored. At least one monitoring instruction may be automatically inserted into a control program of the machine tool by the postprocessor, wherein the control program is executed during the machining process. | 11-14-2013 |
20140052290 | SYSTEMS AND METHODS OF STORAGE AND AUTOMATED SELF-CHECK AND OPERATIONAL STATUS OF RIG TOOLS - A method and system for autonomously monitoring, evaluating, storing and testing tools and other units operated at a rig-site. The system may include a storage facility communicatively coupled to one or more tools, status flags identifying the health and operational status of the tools, and a computer for performing a self-check for determining the operational status for the one or more tools. The system may further include a remotely positioned computer system in communication with the operational status of the tools, and a user terminal in communication with the computer system. | 02-20-2014 |
20140156057 | MACHINE TOOL INCLUDING NUMERICAL CONTROLLER WITH FUNCTION TO DETERMINE REPLACEMENT TIME FOR MAINTENANCE COMPONENT - A controller for a machine tool outputs an operation instruction signal to the machine tool. The machine tool transmits a signal indicating that the instructed operation is compete. The controller determines a response time of operation to be a difference in time between a point in time when the numerical controller outputs an operation instruction signal and a point in time when the numerical controller receives a signal from the machine tool. When the response time of operation exceeds a preset value, the numerical controller determines that a corresponding maintenance component needs to be replaced and informs a user of the need for replacement by means of a display unit. | 06-05-2014 |
20140195036 | METHOD FOR OPERATING A PLANT FOR PRODUCING TABLETS - A method for operating a plant to produce tablets that has at least one rotary press and one computer system, wherein the computer system contains operating and control software for controlling and monitoring the operation of the rotary press, and wherein the rotary press is designed for installing different types of rotors, wherein a record adapted to the respective rotor type is saved in a memory and communication component on the rotors, and before the rotor type is initially operated, the record is read out and is saved in the computer system to automatically adapt the operating and control software and user interface to the rotor type. | 07-10-2014 |
20140200709 | Machining Condition Estimating Apparatus and Machining Condition Estimating Method - A machining condition estimating apparatus, for estimating a long life-time machining condition, by suppressing boundary wears, from among plural numbers of choices of machining conditions, without building up database, comprise: a means for defining an analysis model presenting shapes of a tool and a cutting material, to be a target of analysis, and various kinds of machining condition parameters relating to relative positions between the tool and the cutting material; a means for setting up an initial value for use of analysis and change volume of the machining condition parameter as analysis parameters; a means for conducting geometric calculation of contact length, over which the tool and the cutting material of the model contact with, for each analysis parameter; a means for producing a distribution waveform, plotting the contact length “Lci” for each position “γi” of a point on each blade edge calculated, on “γi”−“Lci” coordinates, thereby to calculate a ratio of movement length of a boundary portion with respect to the maximum contact length (boundary movement rate) and a ratio of width, over which a tool blade contacts with the cutting material (contact rate); a means for searching the analysis parameter, with which the boundary movement rate or the contact rate comes to maximum, respectively; and a means for outputting a long life-time machining condition selected from the analysis parameters searched. | 07-17-2014 |
20140358274 | TOOL MANAGEMENT SYSTEM, TOOL MANAGEMENT METHOD, AND COMPUTER-READABLE STORAGE MEDIUM STORING COMPUTER PROGRAM FOR ALLOWING COMPUTER TO ACT AS TOOL MANAGEMENT SYSTEM - A tool management system configured to managing a life of a tool in a processing device includes an acquisition unit configured to, when it is detected that a target tools is in use, acquire a stocker number of a position at which the target tool in use is accommodated from a processing program, a determination unit configured to acquire a time for replacement of the target tool corresponding to the stocker number and determine whether or not the total use time of the target tool has reached the time for replacement; and an output unit configured to, when the determination unit determines that the total use time has reached the time for replacement, output an instruction to provide a display urging replacement of the target tool. | 12-04-2014 |
20150025673 | MACHINE TOOL INCLUDING COOLANT APPARATUS - A coolant apparatus of a machine tool includes a coolant pump that sends out a coolant from a coolant tank, a controller that drives or stops the coolant pump, and a condition setting unit that sets conditions for driving or stopping the coolant pump. Then, the controller drives or stops the coolant pump based on content set by the condition setting unit. | 01-22-2015 |
20150051728 | DETECTING METHOD OF ABNORMALITY OF MACHINE TOOL OPERATION - Provided is a detecting method of abnormality of a machine tool operation, and the detecting method includes a preparing step S | 02-19-2015 |
20150293523 | MACHINE TOOL DIAGNOSTIC METHOD AND SYSTEM - A machine tool diagnostic method includes: an initial acquisition step for acquiring initial measurement data by measuring multiple parameters of the machine tool while operating the machine tool in a predetermined operating pattern; a generating step for generating a normal area in a mapping space of a 1 class support vector machine method using the initial measurement data as training data; a reacquisition step in which, after operating the machine tool, the multiple parameters are measured to acquire re-measured data while again operating the machine tool in the predetermined operating pattern; and a diagnostic step for diagnosing the machine tool using the re-measured data as test data, based on whether or not the test data is contained in the normal area of the mapping space in the 1 class support vector machine method. | 10-15-2015 |
20150338842 | METHOD OF CALCULATING STABLE SPINDLE ROTATION NUMBER CAPABLE OF SUPPRESSING CHATTER VIBRATION, METHOD OF INFORMING THE SAME, METHOD OF CONTROLLING SPINDLE ROTATION NUMBER, AND METHOD OF EDITING NC PROGRAM, AND APPARATUS THEREFOR - An apparatus includes vibration data obtainer | 11-26-2015 |
20160018813 | NUMERICAL CONTROLLER PERFORMING REPETITIVE MACHINING - A numerical controller acquires state information (machine condition) such as the current temperature of a drive unit to determine whether a machining operation based on a machining program can be started or not by comparing the state information with a machine condition history recorded in a recording unit. If determined that the machining operation can be started, a machining operation start command is output and if determined that the machining operation cannot be started, the machine condition is monitored to withhold outputting of the machining operation start command until the machine condition allowing to start the machining operation based on the machining program appears. | 01-21-2016 |
20160026172 | Intelligent Configuration of a User Interface of a Machinery Health Monitoring System - A machinery health monitoring module processes machine vibration data based on vibration signals and provides the machine vibration data to a distributed control system. A distributed control system operator computer executes a software user interface that filters relevant configuration parameters based on a selected machine measurement type so that only those parameters that are applicable to the selected measurement type appear on the user interface screen. Further, configuration parameters for individual measurement values within the measurement type are made available only when a particular measurement value is selected for acquisition. This greatly simplifies the information that is displayed on the configuration user interface. | 01-28-2016 |
20160026173 | Processing Machinery Protection and Fault Prediction Data Natively in a Distributed Control System - A vibration data acquisition and analysis module is operable to be inserted directly into a distributed control system (DCS) I/O backplane, so that processed vibration parameters may be scanned directly by the DCS I/O controller. Because the process data and the vibration data are both being scanned by the same DCS I/O controller, there is no need to integrate numerical data, binary relay outputs, and analog overall vibration level outputs from a separate vibration monitoring system into the DCS. The system provides for: (1) directly acquiring vibration data by the DCS for machinery protection and predictive machinery health analysis; (2) direct integration of vibration information on DCS alarm screens; (3) acquisition and display of real time vibration data on operator screens; (4) using vibration data to detect abnormal situations associated with equipment failures; and (5) using vibration data directly in closed-loop control applications. | 01-28-2016 |
20160124420 | THERMAL DISPLACEMENT CORRECTING APPARATUS AND METHOD FOR A MACHINE TOOL - A thermal displacement correcting apparatus includes a correction amount estimating device and a parameter automatic selecting device that, in a machine tool having two different sets of specifications that differ due to the presence/absence of a scale and different methods of measuring the lengths of a bed and a table, estimate a thermal displacement correction amount of the machine tool of each set of specifications. The two devices store a collection of parameters for an estimated thermal displacement calculation corresponding to each of the bed, the scale, the table, and a workpiece, as a database, and select the parameters belonging to the set of specifications from the database based on machine information according to each set of specifications, calculate estimated thermal displacements of the bed, the table, and the workpiece, or also the scale, according to the selected parameters, and combine the estimated thermal displacements. | 05-05-2016 |
20160129539 | BACKLASH AUTOMATIC DETECTION SYSTEM AND METHOD USING THE SAME - A backlash automatic detection system comprises a control device and a machine tool. The machine tool comprises a servo driver, a lead screw, a nut seat and a platform. The method comprises: entering an initial state and outputting a control command to the servo driver through the control device; driving the lead screw by the servo driver to move the nut seat towards a first direction and changing the movement direction of the nut seat towards a reverse second direction by the servo driver; defining a backlash phenomenon period according to one time point at which the nut seat starts to move towards the second direction and another time point at which the platform is driven to move by the nut seat; defining the displacement of the nut seat corresponding to the backlash phenomenon period as a backlash value. | 05-12-2016 |
20160170404 | TOOL LIFE MANAGING APPARATUS FOR STEPPED TOOL | 06-16-2016 |
20190143467 | DETECTION DEVICE, DETECETION METHOD AND COMPENSATION METHOD FOR TOOL WEAR | 05-16-2019 |
20190145183 | METHOD FOR PREDICTING DRILL BIT WEAR | 05-16-2019 |
700176000 | Offsetting | 4 |
20090187269 | Method of Machining Workpiece with Offset Tool - A groove (Da) extending in a Y-axis direction of a workpiece (D) is finish machined with an offset tool (T) that has a cross-section with a shape (L | 07-23-2009 |
20100063618 | TOOL COMPENSATION SYSTEM AND METHOD FOR ADJUSTING PARAMETERS OF A TOOL - A tool compensation system for adjusting parameters of a tool includes a controller and a selecting module. The controller includes a storing module, an invoking module, and a compensation module. The storing module is configured for storing serial numbers and data tables of a first and a second tools. Each data table of the first and second tools includes a plurality of first dimensional parameters and a plurality of second dimensional parameters. The selecting module is capable of selecting a tool for machining by selecting the serial number of the tool. The invoking module is configured for invoking the second dimensional parameters according to the first dimensional parameters of a tool selected by the selecting module. The compensation module is configured for adjusting machining parameters of the selected tool according to the second dimensional parameters. | 03-11-2010 |
20120239181 | AUTOMATIC PROBING, COMPENSATION, AND ADJUSTMENT OF A FLEXIBLE FIXTURE FOR A CNC MACHINE - A method for properly locating a flexible fixture on a CNC machine comprises probing a plurality of locators on a flexible fixture to determine a locator position on a coordinate system for the CNC machine. The position for each of the plurality of locators is analyzed to determine if all of the plurality of locators are within a predetermined offset limit from a nominal position. A controller is programmed with an offset compensation amount based upon the probed position for each locator when each of the plurality of locators is within the predetermined offset limit. The locator positions are adjusted if one of the probed locations is not within the predetermined offset limit. The CNC probing programs are generated by a computer language to accommodate various fixture configurations. | 09-20-2012 |
20130024021 | COMPENSATION FOR PROCESS VARIABLES IN A NUMERICALLY-CONTROLLED MACHINING OPERATION - A method of machining a work part in a numerically-controlled machining process with a selected tool, includes steps of inspecting actual geometric parameters of the selected tool and predicting cutting forces and this tool deflections based on given tool/part engagement conditions and pre-measured static stiffness of the selected tool, then modifying a tool path of the numerically-controlled machining process to compensate for the predicted tool deflections, and finally machining the work part to a desired profile by use of the selected tool to follow the modified tool path. | 01-24-2013 |