Abstract: An automatic operation system in which automatic operation control can be selectively exercised on a plurality of previously registered machining centers from a remotely located terminal via a cloud server is provided. The machining center automatic operating system includes: a cloud-side control unit that is provided in a cloud server connected to a CNC device of each machining center via a communication line, generates a machining command for each machine tool at an automatic machining command generation unit, and transmits the machining command to a corresponding CNC device; and one or more terminals that transmit inputted three-dimensional CAD design data of an intended machined product to the cloud-side control unit via the communication line and display information transmitted from the cloud-side control unit on a display unit.

Abstract: In a CAD data-based automatic operation device of a machining center equipped with a CNC device, the CNC device is provided in a storage unit with a learned model generated by learning beforehand machining conditions including a tool used and cutting conditions, a manufacturing process including a tool trajectory, and a machining program that caused the manufacturing process to be performed in correspondence with one another with respect to each feature subjected to various cutting operations.

Abstract: A semiconductor device according to the present disclosure includes a first insulating film, a second insulating film, and a tungsten film provided between the first insulating film and the second insulating film, the tungsten film having a crystal particle, wherein a thickness T of the tungsten film in a first direction from the first insulating film toward the second insulating film and an average particle size APS of the crystal particle satisfy APS/T?2 is satisfied.

Abstract: An object is to provide a machine tool operation system that enables inputs to an NC device of a machine tool by use of a tablet terminal from any location and an operation method using the system. The machine tool operation system includes an NC device, a computer connected to the NC device, and a tablet terminal that is in wirelessly communication with the computer and enables inputs and outputs of signals for the NC device via the computer. The tablet terminal includes a display unit that make to display a menu screen on a display screen, an input unit that receives an input from a user, and an input processing unit that outputs an input signal transmitted to the computer based on the input. The computer includes a signal processing unit that outputs a command signal for a machine tool operation based on the input signal.

Abstract: A machining center NC operation panel with a body temperature management function that makes a physical condition determination in accordance with body temperature measurement of an operator, can restrict the start of work at time of a determination that the physical condition is inappropriate, and also is capable of body temperature management of a worker and the like at all times, includes a visible region image camera and an infrared ray detection camera respectively with a visible light condensing lens, and an infrared ray condensing lens being mounted exposed on the front face of the operation panel. The machining center NC operation panel has a storage unit having an operator list created for each operator pre-registered as a machine tool user, a facial image file, and a body temperature management file storing body temperature databases of machine tool users and body temperature databases of body temperature management users.

Abstract: In a CAD data-based automatic operation device of a machining center equipped with a CNC device, the CNC device is provided in a storage unit with a learned model generated by learning beforehand machining conditions including a tool used and cutting conditions, a manufacturing process including a tool trajectory, and a machining program that caused the manufacturing process to be performed in correspondence with one another with respect to each feature subjected to various cutting operations.

Abstract: An airflow velocity measuring apparatus that includes a fixed-temperature heat generating device. The fixed-temperature heat generating device includes a power supply, a positive-temperature-coefficient thermistor element, a switching element, a comparator element, a first negative-temperature-coefficient thermistor element, a second negative-temperature-coefficient thermistor element, and plural resistor elements. The positive-temperature-coefficient thermistor element is disposed at a measuring point at which the velocity of airflow is measured. The switching element is repeatedly turned ON and OFF so as to cause the positive-temperature-coefficient thermistor element to generate heat at a preset temperature, thereby applying a pulse voltage from the power supply to the positive-temperature-coefficient thermistor element. The airflow velocity measuring apparatus measures the velocity of airflow at the measuring point based on the waveform of this pulse voltage.

Abstract: A machining center NC operation panel is provided which can serve as a personal authentication system capable of simply and reliably identifying operators and implementing appropriate operational restrictions. The operation panel is provided with an imaging device mounted on its front or on a manual pulse generator for at-hand operation connected to the operation panel.

Abstract: A traveling direction of a sludge drawing tool can be reversed regardless of the position of the sludge drawing tool. An endless chain is wound around a pair of wheels, and has straight lines L1 and L2 extending therebetween, and a pulling portion is provided in a part thereof. A sludge drawing tool is arranged to be able to move forward between the wheels. The sludge drawing tool is provided with engagement portions having a shape enabling the pulling portion circumferentially moving along the chain to be engaged therewith and disengaged therefrom. When the driving wheel rotates in a forward direction, the engagement portion comes into contact with the pulling portion circumferentially moving along the straight line L1 in a drawing direction, to make the sludge drawing tool move in the drawing direction. During the rotation in the forward direction, the engagement portion comes into contact with the pulling portion.

Abstract: An object is to provide a machine tool operation system that enables inputs to an NC device of a machine tool by use of a tablet terminal from any location and an operation method using the system. The machine tool operation system includes an NC device, a computer connected to the NC device, and a tablet terminal that is in wirelessly communication with the computer and enables inputs and outputs of signals for the NC device via the computer. The tablet terminal includes a display unit that make to display a menu screen on a display screen, an input unit that receives an input from a user, and an input processing unit that outputs an input signal transmitted to the computer based on the input. The computer includes a signal processing unit that outputs a command signal for a machine tool operation based on the input signal.

Abstract: A wind speed measuring device includes a constant temperature heat generating device that generates heat at a predetermined set temperature. The constant temperature heat generating device includes a power source, a heat generating element, a switching element, a comparator element, a first negative characteristic thermistor element, and a plurality of resistance elements. The heat generating element and the first negative characteristic thermistor element define a wind speed sensor. The switching element repeats turning on and off to make the heat generating element generate heat at a predetermined set temperature. A pulse voltage is applied from the power source to the heat generating element. A wind speed of a wind contacted with the wind speed sensor is calculated based on a wave form of the applied pulse voltage.

Abstract: An automatic tool exchange system which allows a tool management mode to be arbitrarily selectable between a fixed address scheme and a memory random scheme in operation of the same machining center. The control unit for controlling the respective drive units of the tool exchanger and the magazine includes a storage unit for storing tool information containing a registered correspondence relationship between the tools and corresponding addresses of the stowage parts of the magazine, a modifying unit for modifying the tool information, and a tool exchange instruction unit for sequentially designating the tool to be used in each of the machining steps in accordance with the machining program, and driving the magazine to move the stowage part at the address corresponding to the designated tool to a predetermined position based on the tool information so that the tool is located at the exchange position at a predetermined timing.

Abstract: A traveling direction of a sludge drawing tool can be reversed regardless of the position of the sludge drawing tool. An endless chain is wound around a pair of wheels, and has straight lines L1 and L2 extending therebetween, and a pulling portion is provided in a part thereof. A sludge drawing tool is arranged to be able to move forward between the wheels. The sludge drawing tool is provided with engagement portions having a shape enabling the pulling portion circumferentially moving along the chain to be engaged therewith and disengaged therefrom. When the driving wheel rotates in a forward direction, the engagement portion comes into contact with the pulling portion circumferentially moving along the straight line L1 in a drawing direction, to make the sludge drawing tool move in the drawing direction. During the rotation in the forward direction, the engagement portion comes into contact with the pulling portion.

Abstract: To provide a control panel having NC function for machine tool, which is capable of using an information medium that is easily and securely manageable without requiring manual input of information to the control unit for simplifying the data reading system construction. The control panel having NC function for machine tool includes an image pickup device for reading a matrix-type two-dimensional code, which is installed on the front surface of the control panel, or on the on-hand manual pulse generator connected to the control panel. The control unit inside the control panel includes a reader which processes image data of the matrix type two-dimensional code captured by the image pickup device, and outputs the image data as read data, and start driving control to the machining section based on the work instruction information contained in the read data.

Abstract: An airflow velocity measuring apparatus that includes a fixed-temperature heat generating device. The fixed-temperature heat generating device includes a power supply, a positive-temperature-coefficient thermistor element, a switching element, a comparator element, a first negative-temperature-coefficient thermistor element, a second negative-temperature-coefficient thermistor element, and plural resistor elements. The positive-temperature-coefficient thermistor element is disposed at a measuring point at which the velocity of airflow is measured. The switching element is repeatedly turned ON and OFF so as to cause the positive-temperature-coefficient thermistor element to generate heat at a preset temperature, thereby applying a pulse voltage from the power supply to the positive-temperature-coefficient thermistor element. The airflow velocity measuring apparatus measures the velocity of airflow at the measuring point based on the waveform of this pulse voltage.

Abstract: A machining center NC operation panel is provided which can serve as a personal authentication system capable of simply and reliably identifying operators and implementing appropriate operational restrictions. The operation panel is provided with an imaging device mounted on its front or on a manual pulse generator for at-hand operation connected to the operation panel.

Abstract: To provide a clamp device which is designed to shorten a spindle than before, thus enabling the downsizing of a spindle device. In a clamp device for removably mounting a tool holder to a spindle of a rotary spindle device, a clamp mechanism is placed in a clamp state by a reciprocation drive mechanism producing a rearward movement in which a draw-in sleeve (9) engaged therewith via steel balls (13) is moved rearward to bring through-holes (12) thereof to rearward large diameter portion (4d) in a bore region of a spindle body (4) and further rearward to a position where the steel balls (13) are retained between the rearward large diameter portion (4d) and a jig large diameter portion (14a), while the retreated draw-in sleeve (9) moves rearward a draw-in bolt (8) and a clamp sleeve (5) by means of a biasing force of an elastic member (10).

Abstract: A wind speed measuring device includes a constant temperature heat generating device that generates heat at a predetermined set temperature. The constant temperature heat generating device includes a power source, a heat generating element, a switching element, a comparator element, a first negative characteristic thermistor element, and a plurality of resistance elements. The heat generating element and the first negative characteristic thermistor element define a wind speed sensor. The switching element repeats turning on and off to make the heat generating element generate heat at a predetermined set temperature. A pulse voltage is applied from the power source to the heat generating element. A wind speed of a wind contacted with the wind speed sensor is calculated based on a wave form of the applied pulse voltage.

Abstract: To provide a control panel having NC function for machine tool, which is capable of using an information medium that is easily and securely manageable without requiring manual input of information to the control unit for simplifying the data reading system construction. The control panel having NC function for machine tool includes an image pickup device for reading a matrix-type two-dimensional code, which is installed on the front surface of the control panel, or on the on-hand manual pulse generator connected to the control panel. The control unit inside the control panel includes a reader which processes image data of the matrix type two-dimensional code captured by the image pickup device, and outputs the image data as read data, and start driving control to the machining section based on the work instruction information contained in the read data.