Abstract: An extruder or injection molding machine with user-specifically monitoring and regulating processing of plastic materials includes a material feed, a plasticizer, and a mold. A process input variable, e.g. cost of the apparatus, raw material, power, and processed quantity, can be inputted with an input device and transmitted to a controller. A process monitoring variable, e.g. the duration of a product cycle, product cost, raw material used/power consumed per product cycle, expected purchase price for a given quantity of a product, and number of product cycles until maintenance, can be determined in real time from a process control variable and/or process input variable. A value of a process monitoring variable, such as the actual desired, or mean value, the value integrated since starting, the history or tendency of this value, can be outputted on an output device in form of a characteristic diagram.

Abstract: The present invention provides a method of drilling a hole in a workpiece in order to control breakthrough of the workpiece comprising the steps of: a) initiating contact between a drill bit of a drill unit and the workpiece; b) operating the drill unit to rotate the drill bit to drill the workpiece; c) during drilling of the workpiece measuring the force, F and torque, T, experienced by the drill bit; d) calculating a variable F?, based on the measured force, F, representing the rate of change of F; e) calculating a variable, T? based on the measured torque, T, representing the rate of change of T; f) calculating a variable F? representing the rate of change of F?; g) calculating a variable T? representing the rate of change of T?; h) detecting the onset of breakout of the workpiece by use of the variables F?, F?, T? and T?; i) thereby controlling the speed of rotation of the drill bit during breakthrough of the workpiece to control the degree of breakout of the drill bit from the workpiece.

Abstract: Systems and methods for managing machine tools are provided. When a current abnormality occurs in one of at least one machine tool, a specific failure category is determined according to the current abnormality, and at least one suggested combination of parameters is generated according to the specific failure category and a transaction database, wherein the specific failure category is one of a plurality of predefined failure categories, and each suggested combination of parameters includes a plurality of associated parameters, which are commonly retrieved for the specific failure category. Each transaction data in the transaction database records a plurality of parameters corresponding to a failure category, wherein the parameters are the parameters whose parameter values are retrieved from the at least one machine tool, having the abnormality according to the failure category.

Abstract: A method of operating a machining system includes comparing one or more features of a cutting tool to information stored on a data chip secured to a tool holder of the cutting tool. The cutting tool is loaded into the machining system, and the information stored on the data chip is compared to cutting tool requirements of a machining program for instructing operation of the machine. When a result of one or more of the comparisons is outside of a predetermined threshold, operation of the machining system is stopped.

Abstract: The invention relates to a machine tool monitoring device with an identification unity for identifying the operating situation of a machine tool. According to the invention, the machine tool monitoring device has at least one projection unit for defining at least one region to be monitored.

Abstract: A vibration suppressing method and a vibration suppressing device are disclosed. After a tool is attached to a main spindle, a modal parameter of the tool or a workpiece is computed. Thereafter, a relation between chatter frequency and phase difference is calculated as an approximation formula based on the obtained modal parameter and machining conditions. If chatter vibration occurs after initiation of the machining, a chatter frequency corresponding to a target phase difference is obtained using the approximation formula, and based on the obtained chatter frequency, the number of tool flutes and the main spindle rotation speed, the optimum rotation speed is calculated. The rotation speed of the main spindle is then changed in accordance with the obtained optimum rotation speed.

Abstract: A cutting machine of the present invention for cutting a material to be cut, which is placed on a table, with a rotating saw blade, includes an imaging device, a determination device and a stopping device. The imaging device takes a video image of an area on the table and outputs the video image. The determination device makes a determination on whether or not a number of pixels of a specific color, which is previously set, exceeds a predetermined threshold in one frame of image constituting the video image outputted from the imaging device. The stopping device stops rotation of the saw blade when it is determined by the determination device that the number of pixels of the specific color exceeds the predetermined threshold.

Abstract: An early-warning apparatus for health detection of a servo motor and a method for operating the same are applied to estimate vibration phenomenon of a CNC tool machine. First, a vibration signal is produced through a vibration detecting unit. Afterward, the vibration signal is sequentially sent to a data buffer. Afterward, the vibration signal is transformed in time and frequency domains through a time-frequency transforming unit. Finally, a deterioration index is calculated through a deterioration index calculating unit to obtain a health index which is calculated through a health index calculating unit. Therefore, the build-in vibration detecting unit is provided to dispense with additional external sensors. Furthermore, the vibration phenomenon of the servo motor of the CNC tool machine is estimated according to the health index, thus analyzing non-linear and non-stationary characteristics of the estimated vibration phenomenon.

Abstract: There are provided a system, method and computer program product for detecting foreign materials in a semiconductor manufacturing process. The manufacturing process uses a plurality of semiconductor manufacturing tools. The system categorizes at least one monitoring wafer according to one or more categories. The system supplies the categorized monitoring wafer to a semiconductor manufacturing tool. The system observes a level of contamination on the categorized monitoring wafer. The system compares the level of contamination to a threshold. The system cleans the tool in a response to determining that the level of contamination is larger than the threshold. The system determines which category of the wafer leaves a highest level of contamination on the tool. The system identifies a root cause of the highest level of contamination on the tool.

Abstract: The invention relates to a machine tool monitoring device having a detection unit for detecting an application in a machine tool. According to the invention, at least one component of the machine tool is used as a reflector for a transmitting and/or receiving signal of the detection unit.

Abstract: A vibration suppressing device and a vibration suppressing method that are capable of obtaining an accurate optimum rotation speed and shortening a time period from generation of chatter vibration to calculation of the optimum rotation speed are provided. The vibration suppressing device includes: vibration sensors for detecting time-domain vibrational accelerations of a rotary shaft in rotation; and a control device for calculating a chatter frequency and a frequency-domain vibrational acceleration of the rotary shaft at the chatter frequency on the basis of the time-domain vibrational accelerations detected by the vibration sensors, and when the calculated frequency-domain vibrational acceleration exceeds a predetermined threshold value, calculating an optimum rotation speed on the basis of a predetermined parameter, and rotating the rotary shaft at the calculated optimum rotation speed.

Abstract: This invention relates to a method for managing active safety for an automatically operating machine comprising a work surface and a work tool displaced according to a pre-established work program. The method consists of dividing (100) the work surface into several zones and, during the work program cycle and in response to detection (200) of an operator's intrusion into a first zone when the tool is active in a second zone, also consists of carrying out at least one of the following actions: keeping (210) the tool's programmed displacement at the normal speed if the tool's displacement is programmed in a zone not adjacent to the first one, keeping (220) the tool's programmed displacement at reduced speed if the tool's displacement is programmed in a zone adjacent to the first one and modifying (230) the work program if the tool's displacement is programmed in the first zone so that the tool's work can be continued in a zone other than the first one.

Abstract: An abnormality detection system includes a measurement unit, a decision unit, an alarm unit, and storage units, and serves to detect the abnormality in a control characteristic value of a plurality of products manufactured on the same production line. The decision unit receives the control characteristic value stored in the storage unit, and decides whether an abnormality exists, based on that value. More specifically, the decision unit decides that the control characteristic value is abnormal when, with respect to m (m is a natural number) pieces of the products that are consecutively manufactured, an absolute value of a difference in control characteristic value between each of the products and another manufactured immediately before the former is equal to or less than a predetermined constant.

Abstract: A control system is provided for each pair of a work fixing part and a work machining part. In each control system, a work receiving program block, a work machining program block and a work discharge program block are provided, and the work machining program block starts on the condition that the work receiving program block ends and the work discharge block program starts on the condition that the work machining program block ends. The work receiving program block is associated with the work supply program of the work supply apparatus, or the work discharge program block is associated with a work transfer program of a work transfer apparatus so that a command is issued to the work receiving program block or the work discharge program block, and a command to perform a cue of the head of the program of each control system is provided at the last part of the control system.

Abstract: Loads that act on all the bearings that support a main spindle are derived from a variation in the state of the main spindle and, in addition, raceway surface contact pressures of the respective bearings are analyzed, so it is possible to accurately keep track of the state of each bearing. Then, when the raceway surface contact pressure exceeds a corresponding threshold, a machining condition is changed to execute control such that the raceway surface contact pressure does not exceed the corresponding threshold, and, furthermore, when the raceway surface contact pressure exceeds the corresponding threshold even when the machining condition is changed, the main spindle is controlled to stop, so it is possible to prevent a seizure of each bearing. Thus, it is possible to improve machining accuracy by controlling the main spindle with high accuracy.

Abstract: A machine tool, in particular a program-controlled turning, milling, and drilling machine, comprising a machining unit displaceable in a plurality of coordinate axes, in which a work spindle for exchangeably receiving a machining tool and an electric motor for driving the work spindle are mounted. The machine tool includes a programmable control unit and means for monitoring the operating state of the machine tool. According to the invention, at least one sensor for detecting at least one operating parameter is disposed on a predetermined component of the machine tool. An evaluating unit is connected to both the sensor and the control unit and processes the measurement values detected by the sensor. An optical display is provided in the direct viewing range of the operator, which displays a normal, a critical, and a dangerous operating state of the machine tool in accordance with the data from the evaluating unit.

Abstract: It is an object of the present invention to provide a machining parameter optimizing apparatus deciding a tool axis attitude and a machining zone and deciding a tooling having high stiffness for any profile of a finished workpiece. A tool axis attitude deciding member 21 decides one or plural tool axis attitude. An interference dangerous zone deciding member 23 decides as an interference dangerous zone a zone possible to interfere between a tool or a tool holder and a workpiece during machining by the decided tool axis attitude. A machining simulation member 25 executes a machining simulation based on the interference dangerous zone by the decided tool axis attitude and generates the virtual tool holder in which there is no any interference, and also decides a machining zone in a way of avoiding the interference dangerous zone.

Abstract: A machine tool monitoring device of a machine tool for machining a work piece, includes a signal unit (24) provided for an ultra-broad-band operation. The signal unit (24) processes a signal (32, 34), which has a sequence (46) of pulses (48) and includes an arithmetic-logic unit (40) for associating a detected signal (34) with a use situation (52, 58) by means of a fuzzy logic-based and/or neural logic-based signal processing. The signal unit (24) preferably has a programmable data base (44) in which a use situation (52, 58) in a machining process is associated with a procedure (56, 60) for changing the machining process.

Abstract: A substrate processing apparatus includes a substrate processing unit for performing a process on substrates; a recipe protection unit for prohibiting processing conditions for the process from being changed while the process is being performed on a specific number of substrates; a protection cancellation unit for canceling a prohibition of a change in the process to allow the processing conditions to be changed while the process is being performed on the specific number of substrates; and a modifying unit for modifying the processing conditions. Further, a method for examining substrate processing conditions includes a protection cancellation step of canceling a prohibition of a change in the process to allow the processing conditions to be changed while the process is being performed on the specific number of substrates; and a modifying step of modifying the processing conditions.

Abstract: A measurement system that includes an industrial machine and an interferometer can detect when abnormality has occurred in measurement targeted at a reflector attached to a movable body, for example, in a case where the movable body has moved too close to the interferometer. A judging section of the interferometer judges that there is abnormality in measurement targeted at the reflector on the basis of a received-light signal. Upon such an abnormality judgment, a stop command outputting section of the interferometer outputs a stop command to the industrial machine. A stopping section of the industrial machine stops the driving operation of a moving mechanism upon receiving an input of the stop command, thereby stopping the movement of the movable body. The measurement system makes it possible to prevent the industrial machine, which includes the movable body and the moving mechanism, from colliding with the interferometer.

Abstract: A computer-implemented method for the automated adjustment of the position of a cutting tool when cutting dental aligner material includes using a computer for generating digital data that define (a) a first cutting angle in a labial cutting area along a dynamic cutting curve, (b) a second cutting angle in a lingual cutting area along the dynamic cutting curve, and (c) a third cutting angle in a back molar cutting area along the dynamic cutting curve. The cutting tool is automatically moved from the labial cutting area to the back molar cutting area while gradually increasing a cutting tool angle from the first cutting angle to the third cutting angle. The cutting tool is also automatically moved from the lingual cutting area to the back molar cutting area while gradually increasing the cutting tool angle from the second cutting angle to the third cutting angle.

Abstract: A numerical controller having an interference prevention function whereby calculation for preventing interference is reliably performed. The numerical controller has the function of defining interference regions corresponding to multiple machine structural objects, respectively, moving the interference regions in accordance with machine coordinate values of the machine structural objects updated by interpolation, and performing an interference check to determine whether or not the interference regions interfere with each other. Interference check computation period automatic adjusting means automatically adjusts an interference check computation period, based on the value obtained by dividing a computation time required for the interference check by time of occupancy of the interference check within one interpolation period. Interference region expanding means expands the interference regions, based on the highest of feed velocities of respective axes and the interference check computation period.

Abstract: A method for predicting a tool point response of a spindle-holder-tool assembly to be used for high-speed machining applications is provided. The method includes determining direct and cross displacement-to-force receptances of a standard holder clamped in the spindle. The method also includes determining direct receptances at a free end of the standard holder based upon the determined direct and cross displacement-to-force receptances of the standard holder. Additionally, the method includes performing an inverse receptance coupling to simulate a decomposition of the standard holder into multiple subassemblies, the subassemblies including a spindle-holder base subassembly and an extended holder subassembly. The method further includes determining spindle-holder base subassembly receptances based upon the simulated decomposition of the standard holder.

Abstract: A system for remote maintenance for a machine. The system includes a database having information for a plurality of machines. A customer accesses the database in order to receive an illustration of at least one of said plurality of machines. Thereafter, the customer identifies a position of the machine illustration and is provided with ordering data for that portion of the machine (e.g., a machine component, sub-component or part). Using this ordering data the customer can order parts of its machine. Additionally, using an imaging device, such as a digital camera, the customer can transmit images of the machine to an off-site expert and receive real-time information related to the assembly, installation, repair or maintenance of the machine.

Abstract: A numerical controller for machine tools that has function of controlling the speed of arc operation calculates a first operable feedrate based on the arc radius of a machining path and the allowable frequency (or allowable angular speed) to which servo position control is capable of responding. The numerical controller also calculates a second operable feedrate based on the arc radius of the machining path and the allowable acceleration to which servo position control can respond, and selects the minimum feedrate from the commanded feedrate and the calculated first and second feedrate to perform speed control.

Abstract: Methods to detect when a human body contacts a predetermined portion of a machine are disclosed. The methods distinguish contact with a person from contact with other materials. The methods are particularly applicable in woodworking equipment such as power saws to distinguish contact between a person and the blade of the saw from contact between the blade and wet or green wood. Woodworking machines and memory devices for use in woodworking machines having safety systems designed to detect a dangerous condition between a human and a dangerous portion of the woodworking machine and to trigger some action to mitigate the dangerous condition are also disclosed.

Abstract: The invention relates to a spindle for a machine tool, in particular a motor spindle having a housing (2) for accommodating an electric motor (3) and a shaft (6) which can be driven by the latter, in particular having a tool holder for a tool for machining workpieces, wherein at least one data acquisition element (8) for recording operating and/or state data of the spindle is provided, and wherein the data acquisition element is in the form of a radio chip and can be read by radio using a read element (9).

Abstract: An early-warning apparatus for health detection of a servo motor and a method for operating the same are applied to estimate vibration phenomenon of a CNC tool machine. First, a vibration signal is produced through a vibration detecting unit. Afterward, the vibration signal is sequentially sent to a data buffer. Afterward, the vibration signal is transformed in time and frequency domains through a time-frequency transforming unit. Finally, a deterioration index is calculated through a deterioration index calculating unit to obtain a health index which is calculated through a health index calculating unit. Therefore, the build-in vibration detecting unit is provided to dispense with additional external sensors. Furthermore, the vibration phenomenon of the servo motor of the CNC tool machine is estimated according to the health index, thus analyzing non-linear and non-stationary characteristics of the estimated vibration phenomenon.

Abstract: This invention relates to a method for managing active safety for an automatically operating machine comprising a work surface and a work tool displaced according to a pre-established work program. The method consists of dividing (100) the work surface into several zones and, during the work program cycle and in response to detection (200) of an operator's intrusion into a first zone when the tool is active in a second zone, also consists of carrying out at least one of the following actions: keeping (210) the tool's programmed displacement at the normal speed if the tool's displacement is programmed in a zone not adjacent to the first one, keeping (220) the tool's programmed displacement at reduced speed if the tool's displacement is programmed in a zone adjacent to the first one and modifying (230) the work program if the tool's displacement is programmed in the first zone so that the tool's work can be continued in a zone other than the first one.

Abstract: A system for controlling a machine includes a first controller, a second controller, and a comparator. During a first cycle, the first controller generates a control signal to the machine while the second controller generates a predicted parameter signal. During the first cycle, the comparator transmits a feedback signal to the second controller if a predetermined threshold is not met. A method for controlling a machine includes transmitting a control signal from a first controller to the machine and generating a predicted parameter value in a second controller. The method further includes transmitting a feedback signal to the second controller if a predetermined threshold is not met.

Abstract: A method for finding the correlation between tool PM (prevention maintenance) and the product yield of the tool is disclosed. The method uses a moving average method to magnify a curve trend that is formed by the product yield data that is captured during a predetermined days before PM and after PM. The magnified curve trend is shown by a Cumulative sum chart. The Cumulative sum chart is analyzed for informing related workers of the effect between the tool PM and the product yield, so as to accurately estimate PM timing. Thereby, via the method, the effect between the tool PM and the product yield may be determined, which serves as an important reference for workers to execute further PM.

Abstract: A method for defining machine cutting path safety zones for use in laser machining devices. The method includes indentifying safety zone positional coordinates in a computer aided design model, using a machine vision system to image the modeled physical machining device, determining the positional difference between the design model safety zone points and the imaged points and converting the design model safety zone coordinates into machine specific coordinates for input into a machining cutting path program.

Abstract: A numerical controller having a function-generating unit which executes function generation for shaft movement according to a machining program is provided, the numerical controller further comprising a unit which stores shape data of the movable unit and shape data of an interfering structure; a retracting direction determining unit which determines a retracting direction; an interference checking position calculating unit which successively calculates, as an interference checking position, a position in which a desired distance is added to the current position of the movable unit according to the determined retracting direction; an interference confirming unit which confirms presence or absence of interference between the shape data of the movable unit and the shape data of the interfering structure by virtually moving the shape data of the movable unit; and a power outage detecting unit which sends a power outage signal to a DC power supply unit and the function-generating unit during power outage, wherein

Abstract: An apparatus for controlling operational functions of a machine tool, comprising a device for switching on or off a main power supply and at least one device for determining a switch-off time of an operational function of the machine tool in dependence of a selectable criterion.

Abstract: Improved methods to detect when a human body contacts a predetermined portion of a machine are disclosed. The methods distinguish contact with a person from contact with other materials. The methods are particularly applicable in woodworking equipment such as table saws to distinguish contact between a person and the blade of the saw from contact between the blade and wet or green wood.

Abstract: A numerical controller with a program resuming function of acquiring program-resuming block data with which a machining program is resumed without producing a scratch on a workpiece. It is determined whether there are registered non-cutting commands. Whether all the registered non-cutting commands are analyzed is determined. Data of registered non-cutting command is read, and whether a block currently being analyzed includes a non-cutting command is determined. It is determined whether or not the registered non-cutting command is one in accordance with which data is acquired at a block start point. Program-resuming block data is acquired at the block start point or at a block end point, the acquired data is stored into a memory, and a process is completed.

Abstract: Systems and methods for managing machine tools are provided. When a current abnormality occurs in one of at least one machine tool, a specific failure category is determined according to the current abnormality, and at least one suggested combination of parameters is generated according to the specific failure category and a transaction database, wherein the specific failure category is one of a plurality of predefined failure categories, and each suggested combination of parameters includes a plurality of associated parameters, which are commonly retrieved for the specific failure category. Each transaction data in the transaction database records a plurality of parameters corresponding to a failure category, wherein the parameters are the parameters whose parameter values are retrieved from the at least one machine tool, having the abnormality according to the failure category.

Abstract: A method for prognostic maintenance in semiconductor manufacturing equipments is disclosed. The said method comprising: collecting a plurality of raw data from the default detection and classification system for equipments, preprocessing the raw data, using the neural network model (NN model) to find a plurality of health indices, generating health information by using the principal component analysis (PCA) to identify the health indices, and using the partial least square discriminated analysis (PLS-DA) to find a health report. The health report provides the engineers with current risk levels of equipments. By the health report, the engineers can initiate prognostic maintenance and repair the equipments early.

Abstract: Machine-tool controller (1) having: a drive control unit (13) controlling, based on moving-body operational commands, feed-mechanism actuation to control moving-body move-to points; a modeling data storage (15) storing moving-body and structural-element modeling data; and a screen display processor (20) for generating, based on the moving-body move-to points, data modeling the moving body having been moved into a move-to point, and for generating, and displaying on a screen display device (47) screen, image data in accordance with the modeling data generated. The screen display processor (20) generates and displays the image data in such a manner that a display-directing point, serving as a referent for displaying the moving body and being defined to be on that portion of the moving body where there is a risk of interference with the structural element, coincides with the central portion of the screen display device (47) screen.

Abstract: A capacitive sensing system for use with a power cutting tool of the type which has an exposed, moveable blade adjacent a work surface is disclosed. The sensing system drives an excitation voltage onto the exposed blade and monitors the current drawn from the blade, detects changes in the amplitude and phase and analyzes the characteristics of the changes to selectively trigger a reaction system.

Abstract: A capacitive sensing system for use with a power cutting tool of the type which has an exposed, moveable blade adjacent a work surface is disclosed. The sensing system drives an excitation voltage onto the exposed blade and monitors the current drawn from the blade, detects changes in the amplitude and phase and analyzes the characteristics of the changes to selectively trigger a reaction system.

Abstract: The invention relates to a machine tool monitoring device with an identification unit for identifying the operating situation of a machine tool. According to the invention, the identification unit is designed to identify an operating situation using at least one distance variable.

Abstract: A numerical control system improves safety when asynchronously operating systems are operated as a single control unit. A machine control system outputs a command generated by interpreting a program with a command number assigned thereto, sends it to a collision detection system, and receives check result data therefrom, whereby when the number of commands for which check result data are obtained is more than or equal to a preset second threshold, a command number assigned to the check result data is output when it is determined that there is no probability of collision. When the result of a check on the probability of collision for a command received from a linkage data sending and receiving section is returned, the collision detection system returns check result data to the linkage data sending and receiving section by assigning a command number given to the checked command to the check result data.

Abstract: The invention relates to a machine tool monitoring device having a detection unit for detecting an application in a machine tool. According to the invention, at least one component of the machine tool is used as a reflector for a transmitting and/or receiving signal of the detection unit.

Abstract: The electric press is provided with a main CPU 1 and a sub CPU 3, the main CPU 1 being responsive to a signal from a servo driver 10 to give an detecting signal to a relay 2 when a ram 51 is located in a predetermined position, thereby to give a mute signal to an area sensor 30 and the sub CPU 3 being responsive to a signal from an encoder 9 to give a detecting signal to a relay 4 when the ram is located in a predetermined position, thereby to give a mute signal to the area sensor 30. The main CPU 1 and sub CPU 3 watch each other, that is, the main CPU 1 checks the output of a relay 4 and turns the relay 2 off when the mute signal is not produced from the relay 4. The conditions of sub CPU and main CPU are compared with each other. In case the two conditions are in accord with each other, it is decided that the relay 4 is out of order. The sub CPU 3 makes the same check operation in connection with the relay 2.

Abstract: A semiconductor equipment control system and method is provided. The semiconductor equipment control system preferably includes semiconductor equipment having a process recipe stored therein and a host connected to the semiconductor equipment through a network. The host preferably includes a database in which a reference recipe is stored and is preferably configured to receive and compare a final modification time of the process recipe with a final modification time of the reference recipe. When the final modifications times are equal, the host is preferably configured to instruct the semiconductor equipment to perform a process according to the process recipe. When the final modification times are different, the host is preferably configured to check a recipe body of the process recipe against a recipe body of the reference recipe to determine if the process recipe is within an established tolerance.

Abstract: A protection setting determiner (118) adaptively updates settings of protection functions in memory of a protection device (106) that protects a machine (102) that provides power to a power system (104), wherein the settings are updated based at least in part upon sensed data acquired during operation of the machine (102). A physical parameter determiner (110) receives the sensed data, which includes three-phase voltage and three-phase current values at the terminals of the machine (102), and uses any suitable real-time or off-line parameter estimation technique (such as Kalman Filtering for an augmented state) to determine physical parameters of the machine (102) and the power system (104). The protection setting determiner (118) uses the physical parameters to update the protection settings.

Abstract: A method for Fault Tree Map generation employs to transformation of Fault Trees of production installation, specific installation, technical system (Hardware and integrated Hardware/Software) to new Fault Tree diagram (Fault Tree Map), which permits drastically compact the Fault Tree depiction and facilitates performing of the Fault Tree qualitative analysis, including evaluation of combination of latent failures and evident failures, repeated events and critical events position influence, and failure propagation potentiality, besides facility of localization of each Fault Tree logical Gate and relevant failures in the fault tree printed report. Generation takes place using special symbols, which permit to reflect the Fault Tree logic, present all Fault Tree failures with graphically identification of the failure type, and show the failure repetition and also the failure critically (importance) to Fault Tree Top Event probability.

Abstract: The invention relates to a machine tool monitoring device with an identification unity for identifying the operating situation of a machine tool. According to the invention, the machine tool monitoring device has at least one projection unit for defining at least one region to be monitored.

Abstract: 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.