G05B2219/37228

SYSTEMS AND METHODS FOR VIRTUAL ENVIRONMENT FOR REINFORCEMENT LEARNING IN MANUFACTURING
20210132580 · 2021-05-06 ·

Systems, devices, and methods including: receiving, by an interpreter component having a processor with addressable memory, a first state of a tool of a computer numerical control (CNC) machine; determining, by the interpreter component, a reward and a value of the reward based on the received first state, where the reward is at least one of: positive and negative; transmitting, by the interpreter component, a set of information comprising the determined reward and the value of the reward to an agent component; performing, by the agent component, at least one action to generate a tool path and to proceed to a second state, where the second state is combined with the first state; and determining, by the agent component, the generated tool path based on the determined reward and value associated with the at least one action.

Method and apparatus for analysing the condition of a machine having a rotating part
10788808 · 2020-09-29 · ·

A method analyzing a machine having a rotating shaft includes generating an electric measurement signal dependent on mechanical vibrations from the shaft rotation; sampling the measurement signal to generate a digital measurement data signal; performing a decimation of the digital measurement data signal to achieve a digital signal having a reduced sampling frequency, where the decimation includes controlling the reduced sampling frequency such that the number of sample values per revolution of the shaft is kept at a substantially constant value, and receiving the digital signal at an enhancer input performing a correlation in the enhancer so as to produce an output signal sequence where repetitive signals amplitude components are amplified in relation to stochastic signal components, and performing a condition analysis for analyzing the condition of the machine dependent on the digital signal having a reduced sampling frequency.

ASSEMBLY LINE TOOL TEST CARRIER AND METHOD OF USING
20200174444 · 2020-06-04 · ·

A test carrier for use on an assembly line includes a pallet that is adapted to be input into an assembly line. The pallet is adapted to move sequentially through a plurality of workstations on the assembly line. The test pallet includes a validation device supported on the pallet. The validation device is adapted to be operated on by at least one of a plurality of tools on the assembly line to produce a validation result.

Control device for a machine tool

A control apparatus for controlling a machine tool on the basis of a machining program is provided with: a storage unit which stores an inspection item list for a workpiece, said inspection item list being associated with the machining program; and a display unit which, when the machining program is executed, displays the stored inspection items associated with the machining program.

METHOD AND SYSTEM FOR MONITORING CONDITION OF ELECTRIC DRIVES

The present disclosure relates to monitoring a condition of an electric drive in an industrial network. A method comprises obtaining values of input parameters, state parameters, and one or more temperatures associated with one or more components, at a first time instant. The method further comprises estimating values of the state parameters at a second time instant with a first layer of a state space model of the electric drive and the values of input parameters at the first time instant. In addition, the method comprises estimating values of the one or more temperatures at a third time instant with a second layer of the model, the values estimated for the state variables and the values of the temperatures at the first time instant. A condition of the electric drive is determined from the values of the temperatures estimated for the third time instant and one or more predetermined thresholds.

ABNORMALITY DETECTION DEVICE OF MACHINE TOOL
20200019140 · 2020-01-16 · ·

An abnormality detection device of a machine tool including a spindle and a feed axis and includes: a load monitoring unit that monitors a load of the spindle or the feed axis; a machining state determination unit that determines that the machine tool is in a machining state when the load of the spindle or the feed axis is equal to or larger than a threshold; a storage unit that stores shape data of the work and shape data of the tool in advance; an interfering area calculation unit that calculates an interfering area in which the tool interferes with the work based on the shape data of the work and the shape data of the tool; and an abnormality detection unit that detects an abnormality in the machine tool by comparing a position of the tool in relation to the work when it is determined that the machine tool is in the machining state with the calculated interfering area.

Workpiece machining method and workpiece machining device
11938580 · 2024-03-26 · ·

A workpiece machining device includes a positional deviation correction unit configured to correct a positional deviation of a radius end mill by detecting a positional deviation between a real contour line and an ideal contour line of the radius end mill. The positional deviation correction unit calculates a first correction value configured to make a center of a first arc section formed into an arc shape at a corner portion of the ideal contour line and a center of a second arc section formed into an arc shape at a corner portion of the real contour line to be identical to each other in a plane perpendicular to the rotational axis, and corrects a machining point by the radius end mill using the first correction value.

Detection device, detection method and compensation method for tool wear

A detection device, detection method, and compensation method for tool wear, applied to a machine tool including a spindle connected to a tool. A first parameter set including a first cutting depth having a zero cutting depth is set, and the machine tool performs a cutting procedure with the first parameter set to record a first loading rate of the spindle. A second parameter set including a second cutting depth having a non-zero cutting depth is set, and the machine tool performs the cutting procedure with the second parameter set to record a second loading rate of the spindle. A processing device calculates an estimated cutting force according to the loading rates and a machine performance database. A fuzzy logic unit outputs a wear level according to a tool wear database and the estimated cutting force. The machine tool adjusts a cutting locus according to the wear level.

Method and system for condition monitoring of a cyclically moving machine component

A method (1000) for condition monitoring is disclosed, comprising registering (1010) values (v.sub.1) of movement characteristics measured for cycles of motion of a cyclically moving machine, associating (1050) the occurrence of values in a frequency distribution (F.sub.v1) of the values with respective defined indexes (a, b, c, . . . ) based on intervals, generating (1060) a word string (S) of the defined indexes corresponding to the occurrence of the values, segmenting (1070) said word string (S) into a sub-set of words (s.sub.1, s.sub.2, . . . , s.sub.i), determining (1080) a frequency of the occurrence of the segmented words in said word string as a first reference term frequency (TF.sub.1), associated with a first machine status (M.sup.1), for subsequently registered set of values of movement characteristics, determining (1100) a subsequent term frequency (TF.sub.n), comparing (1110) the subsequent term frequency (TF.sub.n) with the first reference term frequency to determine a correlation with the first machine status.

Monitoring device, machine tool, and monitoring system

To provide a monitoring device, a machine tool, and a monitoring system capable of collecting data efficiently required for examining an alarm. A monitoring device is connected to multiple machine tools through a network. The monitoring device comprises: a monitoring unit that monitors the occurrence of an alarm in the machine tools; an acquisition unit that acquires a set of measurement target data items responsive to an alarm from a database on the occurrence of the alarm; and a collection unit that sets the set of measurement target data items in the multiple machine tools, and collects data measured by following the setting.