Abstract: A numerical control apparatus includes: a program input unit that reads a tool distal end position and a tool posture and generates designated position sequences of the linear axis and designated position sequences of the rotation axis; a distal-end-position-curve generating unit that generates a tool distal end position curve concerning the tool distal end position; a tool-posture-curve generating unit that generates a tool posture curve concerning the tool posture associated with movements of the tool distal end position; an interpolation calculating unit that calculates an interpolation point of the tool distal end position, calculates an interpolation point of the tool posture, and calculates an interpolation point of a machine position of the linear axis; and an interpolation output unit that moves the linear axis to the calculated interpolation point of the machine position and moves the rotation axis to the calculated interpolation point of the tool posture.

Abstract: An image forming apparatus includes a fixing unit having a heating member, a temperature detection member detecting a temperature of the heating member, a control unit controlling power to be supplied to a heater, and an acquisition unit that acquires toner density information of the toner image to be formed on the recording material, wherein the acquisition unit acquires first toner density information in a predetermined area which is a portion of a maximum image formation area of the recording material and second toner density information in the maximum image formation area, and the predetermined area is an area including an area of the recording material corresponding to a detected area of the heating member detected by the temperature detection member, wherein the control unit sets the target temperature based on the first toner density information and the second toner density information.

Abstract: In a numerical control device 1 which controls positions of respective axes of a machine tool according to a machining program 11, a command 12 instructed to the machining program 11 is analyzed by an analyzing unit 13, thereby obtaining movement data 15 and a movement type 17, an acceleration-deceleration data selection unit 18 selects acceleration-deceleration data 19 according to the movement type 17, and an interpolation and acceleration-deceleration unit 16 generates a position command 21 by performing an interpolation on a movement route, which is instructed to the movement data 15, according to a command speed and performing acceleration-deceleration according to the acceleration-deceleration data 19.

Abstract: A wireless communication device includes a plurality of antennas, transmission circuits, reception circuits, and a plurality of connecting units that connect the transmission circuits and the reception circuits associated with the respective antennas, and a processor. The processor executes outputting, at timing allowed for signal transmission from the antennas, first calibration signals; calculating, by using the first calibration signals having passed through the transmission circuits, a first correction value that corrects a difference between the transmission characteristics of the transmission circuits; outputting, at the timing allowed for the signal transmission from the antennas, a second calibration signal; and calculating, by using the second calibration signal having passed through the reception circuits, a second correction value that corrects a difference between the transmission characteristics of the reception circuits.

Abstract: A numerical control device (1) of a machine tool capable of controlling its spindle rotating speed includes: a program analyzing unit (2) that reads ahead a machining program (6) by one block or more and analyzes a command for the machine tool; and a command determining unit (3) that determines, based on a result analyzed by the program analyzing unit (2), whether a command posterior to a spindle control command causes any machining problem when the command is executed during a spindle rotating speed change, outputs a first command, in which some problem occurs in the machining, after the spindle rotating speed reaches the commanded rotating speed, and output a second command, which is other than the first command, before the spindle rotating speed reaches the commanded rotating speed.

Abstract: Startup of a program and generation or change of a program is detected, or a program is searched for. It is determined, based on program information of a program whose startup is detected or a program which is found, whether or not the program meets a predetermined criterion. The program determined to meet the predetermined criterion is registered in a white list or black list.

Abstract: A numerical control device includes: a control unit controlling movement of shafts of a machine tool by a position command according to a machining program and acquiring position information on the shafts; a monitoring point determination unit determining a monitoring point in the machining program and a monitoring shaft according to the type of an instruction or an instruction related to travel described in the machining program; and a monitoring unit monitoring whether error or deviation based on the position information at the monitoring point of the monitoring shaft exceeds a predetermined threshold, wherein the control unit controls movement of the shafts based on the monitoring result of the monitoring unit, and the numerical control device further comprises an analysis unit presenting whether the cause of the error or deviation is a mechanical factor or a control factor based on the monitoring result and outputting the analysis result.

Abstract: A travel control device is provided with hydraulic pumps of a variable capacity type that are driven by an engine; hydraulic motors that are driven by discharged oil from the hydraulic pumps; traveling devices that are rotation-driven by the hydraulic motors; a travel operation lever that is operated so as to instruct a traveling operation; a first control valve for generating a charged hydraulic pressure by adjusting the discharged oil from a charge pump and a second control valve for generating a capacity control hydraulic pressure in accordance with the operation of the travel operation lever. The first control valve is designed to pressure-adjust and generate a charged hydraulic pressure in accordance with the rotation speed of the engine, and the hydraulic pump is subjected to a variable capacity control process by a capacity control hydraulic pressure that is pressure-adjusted and generated by the second control valve.

Abstract: According to an aspect of the invention, a developing device includes a developing container that accommodates a two-component developer, a toner concentration detecting unit that detects a toner concentration of the developer by a detecting unit exposed to an inner wall of the developing container, a transport member that is disposed within the developing container and stirs and transport the developer with a transport blade having a pitch that is equal to or less than a size of the detecting unit of the toner concentration detecting unit, and a plurality of gap holding members that is provided at a position facing the toner concentration detecting unit of the transport member and holds a gap such that a tip thereof is abutted against the inner wall of the developing container.

Abstract: A base station including: a memory, and a processor coupled to the memory and the processor configured to: estimate a plurality of angles of arrival based on a plurality of received signals from a plurality of wireless device respectively, each of the plurality of angles of arrival being an angel of a horizontal plane relative to each direction from which each of the plurality of received signals arrives, and control at least one tilt angel based on the plurality of angels of arrival, each of the at least one tilt angle being an angle of the horizontal plane relative to each direction to which at least one beam is formed.

Abstract: A fixing device for fixing an image on a recording material includes a cylindrical rotatable member including an electroconductive layer; a coil, provided inside the rotatable member, for forming an alternating magnetic field for causing the electroconductive layer to generate heat through electromagnetic induction heating, wherein the coil includes a helically-shaped portion having a helical axis along a generatrix direction of the rotatable member; and a magnetic core provided inside the helically-shaped portion. The rotatable member generates heat by a current induced in the electroconductive layer in a circumferential direction of the rotatable member, and the image is fixed on the recording material by the heat of said rotatable member. The rotatable member is provided with a slit at an end portion thereof with respect to the generatrix direction.

Abstract: A fixing device includes a cylindrical rotatable heating member; a nip-forming member having a first surface and a second surface opposite from the first surface and contacting an inner surface of the rotatable heating member at the first surface; a supporting member having a supporting surface, contacting the second surface, for supporting the nip-forming member; and a pressing member for forming a nip in cooperation with the nip-forming member though the rotatable heating member. A recording material on which an image is formed is heated at the nip while being feed through the nip, and the image is fixed on the recording material. The supporting surface of the supporting member supports the second surface of the nip-forming member so that the nip-forming member is swingable relative to the supporting member about an axis substantially parallel with a rotational axis of the cylindrical rotatable heating member.

Abstract: An automatic programming apparatus includes a machining-shape generating unit configured to generate second machining shapes for each of machining processes from each of a plurality of first machining shapes input from outside; a machining-order editing unit configured to receive an input of execution order of the machining processes; a machining-shape adjusting unit configured to extend, among a plurality of the second machining shapes having a same tool direction, which is a direction that a tool pierces, one of the second machining shapes in a direction opposite to the tool direction, delete, from the other machining shape that overlaps the one second machining shape because of the extension of the one second machining shape, a portion of the overlap, and generate a third machining shape; and a control-command generating unit configured to generate, based on the third machining shape and the input execution order, a control command.

Abstract: In order to enable tapping to be performed precisely and with an appropriate machining time irrespective of the diameter of a tapping tool, a configuration of the present invention includes: a program analysis unit (12) that analyzes a loaded machining program and extracts thread-related information in tapping; a gradient determination unit (14) that determines acceleration regarding movement velocity of the main spindle or the feed shaft on the basis of the thread-related information obtained by the program analysis unit (12); and an interpolation and acceleration/deceleration processing unit (13) that generates a movement command for the main spindle and the feed shaft using the acceleration determined by the gradient determination unit (14). In addition, the gradient determination unit (14) varies the acceleration during acceleration/deceleration of the main spindle or the feed shaft in accordance with the diameter of a tapping tool.

Abstract: To obtain an automatic programming apparatus, capable of generating a tool path for the chamfering process with a simple operation and capable of shortening the operation period and improving machining efficiency, the automatic programming apparatus includes a chamfering tool path generating unit and machining condition data. The chamfering tool path generating unit includes: a chamfered plane defining unit that generates shape data defining a chamfered plane obtained after the chamfering process is performed with respect to a shape of the chamfering target part; a reference point sequence generating unit that generates a reference point sequence used as a reference for generating the tool path data used for performing the chamfering process; and a tool reference position generating unit that, generates a reference position of a machining tool used when the machining tool passes while performing the chamfering process.

Abstract: A numerical control device for a working machine capable of controlling a tool posture relative to a workpiece using rotational driving of a rotary drive axis about a machine control point includes: an interpolation unit that performs an interpolation process on moving data generated from a machining program and outputs a position of the machine control point for each interpolation point; a coordinate transformation unit that transforms a position of the machine control point to a tool tip-point position; a stroke-limit determination unit that determines whether the position of the machine control point and the tool tip-point position fall within a range of a movable region, and selects and outputs a stroke limit signal indicating a stroke limit and a tool-posture changing command for instructing change of the tool posture; and a tool-posture changing unit that changes the tool posture in response to the tool-posture changing command.

Abstract: A numerical control device that controls, in a machine tool, driving of a motor based on a machining program is provided. The numerical control device includes a position-command generating unit configured to generate a position command to the motor and a mark-command generating unit configured to generate a mark command for machining of a mark indicating that an abnormality occurs in the machining. The mark-command generating unit sequentially stores information concerning a moving route of the tool by the machining and generates, when an alarm is raised because the abnormality is detected, as the mark command, a moving command for moving the tool in a direction opposite to a direction during the machining while correcting a position of the tool in a tool axis direction with respect to a position during the machining, and the position-command generating unit generates the position command based on the mark command.

Abstract: A numerical control apparatus includes a machining-program reading unit that reads a command issued from a machining program, a command-path storing unit that stores a pre-compression command path in a pre-compression command path buffer, a compression processing unit that creates new one post-compression command path connecting start points and end points of a continuous plurality of pre-compression command paths, a movement-data creating unit that creates tool movement data necessary for correcting the post-compression command path to a tool movement path and interpolating the tool movement path, and an interpolation processing unit that interpolates the tool movement path and calculates a tool position using both the pre-compression command path stored by the command-path creating unit and the tool movement data of the tool movement path after compression created by the movement-data creating unit.

Abstract: A motor control method performed by a controller includes monitoring a motor load of at least one of a plurality of motors including a first motor and a second motor driven by one common power source having a protection circuit, wherein the protection circuit is operated to shut down the power source in a case where a current value of the power source continues to exceed a threshold during a period Tg, and stopping motor drive in a case where the monitored motor load continues to exceed the threshold during a period Tn, which is shorter than the period Tg. In addition, monitoring of the motor load is skipped during acceleration operations of the first motor and the second motor when both the first motor and the second motor are driven, and then monitoring of the motor load is restarted.

Abstract: An image heating apparatus, to heat an image formed on a recording material includes a cylindrical rotatable member having a conductive layer, a coil having a helically shaped portion which is helically wound in a generatrix direction of the rotatable member inside the rotatable member, and a magnetic core disposed inside the helically shaped portion. The coil, which includes a number of turns, produces an alternating magnetic field to cause the conductive layer to generate heat by electromagnetic induction. The magnetic core includes a plurality of divided cores into which the magnetic core is divided in the generatrix direction. The number of turns of the coil per unit length, at a region that corresponds to a boundary between the plurality of divided cores, is larger than the number of turns of the coil at a region that corresponds to the plurality of divided cores.