Abstract: Provided is a manufacturing device and a manufacturing method for a rotor core that can prevent damage from being caused to an end of a magnet due to movement of the magnet when injecting a resin material. Included are a first mold including a fitting recess that fits and holds a laminated iron core in which a magnet is inserted into a magnet insertion hole, a second mold that is engaged with the first mold and clamps and seals the laminated iron core together with the first mold, a resin injection unit that is provided to the second mold, and injects a resin material into the magnet insertion hole, and a magnet positioning and holding mechanism that positions and holds the magnet in a state of being fit into the fitting recess of the first mold.

Abstract: Easily suppress the adherence of metal powder to a motor shaft while suppressing costs. A motor with an electromagnetic brake 1 having: a motor 10; a motor shaft 20 rotated by the motor 10; a bearing 31 that supports the motor shaft 20 to be able to rotate; an electromagnetic brake 40 that brakes the rotation of the motor 10; and an encoder 50 that measures the rotation angle of the motor 10, wherein the bearing 31 is arranged farther to the motor 10 side than the electromagnetic brake 40 in the axial direction of the motor shaft 20, and when the maximum value of the magnetic flux density in the magnetic flux flowing in the electromagnetic brake 40 is A teslas, the electromagnetic brake 40 and the motor shaft 20 are arranged separated by A × 0.3 mm or greater.

Abstract: Provided is a device for manufacturing a rotor core with less magnetic flux leakage, a method for manufacturing the rotor core, and a rotor structure. Included are a first mold including a fitting recess that fits and holds a laminated iron core in which a magnet is inserted into a magnet insertion hole; a second mold that clamps and seals the laminated iron core together with the first mold; a resin injection unit that is provided to the second mold and injects a resin material in the magnet insertion hole by using a molding machine; and a protrusion that is inserted into the magnet insertion hole by a predetermined insertion amount, and positions and holds the magnet by an end of the magnet being brought into contact with the protrusion, in a state of the first mold and the second mold being clamped.

Abstract: Provided is a manufacturing device for a rotor core and a manufacturing method for a rotor core in which it is possible to suitably fit a columnar core rod into a center hole of a laminated iron core, when fitting and installing the laminated iron core into a fitting recess of a first mold.

Abstract: A motor selection device is equipped with a speed calculation unit that calculates an average speed from a speed waveform of a motor that drives a predetermined driven object, the speed waveform being obtained when the driven object is made to perform a prescribed operation, a current calculation unit that calculates a root mean square current from a current waveform of the motor that drives the driven object, the current waveform being obtained when the driven object is made to perform the prescribed operation, a storage unit that stores a motor characteristic corresponding to a speed of a target motor serving as an object to be selected, and a determination unit that determines whether or not the prescribed operation by the target motor is possible, using the motor characteristic corresponding to the average speed, and the root mean square current.

Abstract: Provided is a device for manufacturing a rotor core with less magnetic flux leakage, a method for manufacturing the rotor core, and a rotor structure. Included are a first mold including a fitting recess that fits and holds a laminated iron core in which a magnet is inserted into a magnet insertion hole; a second mold that clamps and seals the laminated iron core together with the first mold; a resin injection unit that is provided to the second mold and injects a resin material in the magnet insertion hole by using a molding machine; and a protrusion that is inserted into the magnet insertion hole by a predetermined insertion amount, and positions and holds the magnet by an end of the magnet being brought into contact with the protrusion, in a state of the first mold and the second mold being clamped.

Abstract: Provided is a device for manufacturing a rotor core with less magnetic flux leakage, a method for manufacturing the rotor core, and a rotor structure. Included are a first mold including a fitting recess that fits and holds a laminated iron core in which a magnet is inserted into a magnet insertion hole; a second mold that clamps and seals the laminated iron core together with the first mold; a resin injection unit that is provided to the second mold and injects a resin material in the magnet insertion hole by using a molding machine; and a protrusion that is inserted into the magnet insertion hole by a predetermined insertion amount, and positions and holds the magnet by an end of the magnet being brought into contact with the protrusion, in a state of the first mold and the second mold being clamped.

Abstract: Provided is a device for manufacturing a rotor core with less magnetic flux leakage, a method for manufacturing the rotor core, and a rotor structure. Included are a first mold including a fitting recess that fits and holds a laminated iron core in which a magnet is inserted into a magnet insertion hole; a second mold that clamps and seals the laminated iron core together with the first mold; a resin injection unit that is provided to the second mold and injects a resin material in the magnet insertion hole by using a molding machine; and a protrusion that is inserted into the magnet insertion hole by a predetermined insertion amount, and positions and holds the magnet by an end of the magnet being brought into contact with the protrusion, in a state of the first mold and the second mold being clamped.

Abstract: The present invention provides a composite-cable relay device that connects individual wiring lines of a composite cable to two or more motor-side connectors included in a motor, the composite-cable relay device including: two or more relay-side connectors that are connected to the respective motor-side connectors; hollow housings that are secured to at least one of the relay-side connectors; a relay cable that possesses flexibility and that connects the hollow housings and the other relay-side connectors, wherein a connecting portion to which the composite cable is connected is provided in the hollow housings, and, in the interior of the hollow housing, wiring to be connected to the relay-side connector secured to the hollow housing and wiring to be connected to the relay cable branch off from each other.

Abstract: The present invention provides a composite-cable relay device that connects individual wiring lines of a composite cable to two or more motor-side connectors included in a motor, the composite-cable relay device including: two or more relay-side connectors that are connected to the respective motor-side connectors; hollow housings that are secured to at least one of the relay-side connectors; a relay cable that possesses flexibility and that connects the hollow housings and the other relay-side connectors, wherein a connecting portion to which the composite cable is connected is provided in the hollow housings, and, in the interior of the hollow housing, wiring to be connected to the relay-side connector secured to the hollow housing and wiring to be connected to the relay cable branch off from each other.

Abstract: A motor selection device is equipped with a speed calculation unit that calculates an average speed from a speed waveform of a motor that drives a predetermined driven object, the speed waveform being obtained when the driven object is made to perform a prescribed operation, a current calculation unit that calculates a root mean square current from a current waveform of the motor that drives the driven object, the current waveform being obtained when the driven object is made to perform the prescribed operation, a storage unit that stores a motor characteristic corresponding to a speed of a target motor serving as an object to be selected, and a determination unit that determines whether or not the prescribed operation by the target motor is possible, using the motor characteristic corresponding to the average speed, and the root mean square current.

Abstract: A motor selection device is equipped with a speed calculation unit that calculates a motor selection speed from a speed waveform of a motor that drives a predetermined driven object, in consideration of iron loss generated in a target motor serving as an object to be selected, the speed waveform being obtained when the driven object is made to perform a prescribed operation, a storage unit that stores a motor characteristic corresponding to a speed of the target motor serving as the object to be selected, and a determination unit that determines whether or not the prescribed operation by the target motor is possible, using the motor characteristic corresponding to the motor selection speed.

Abstract: Provided is a brake inspection device including: load torque measurement units configured to respectively measure: load torques as a motor is normally rotated and reversely rotated in a released state where an operation of a brake for holding a rotor with respect to a stator of the motor is released; and a load torque as the motor is rotationally driven in either one of a normal direction or a reverse direction in a locked state where the brake is operated; and a determination unit configured to determine a state of the brake based on the load torques measured by the load torque measurement units.

Abstract: Provided is a manufacturing device for a rotor core and a manufacturing method for a rotor core in which it is possible to suitably fit a columnar core rod into a center hole of a laminated iron core, when fitting and installing the laminated iron core into a fitting recess of a first mold.

Abstract: Provided is a manufacturing device and a manufacturing method for a rotor core that can prevent damage from being caused to an end of a magnet due to movement of the magnet when injecting a resin material. Included are a first mold including a fitting recess that fits and holds a laminated iron core in which a magnet is inserted into a magnet insertion hole, a second mold that is engaged with the first mold and clamps and seals the laminated iron core together with the first mold, a resin injection unit that is provided to the second mold, and injects a resin material into the magnet insertion hole, and a magnet positioning and holding mechanism that positions and holds the magnet in a state of being fit into the fitting recess of the first mold.

Abstract: Provided is a device for manufacturing a rotor core with less magnetic flux leakage, a method for manufacturing the rotor core, and a rotor structure. Included are a first mold including a fitting recess that fits and holds a laminated iron core in which a magnet is inserted into a magnet insertion hole; a second mold that clamps and seals the laminated iron core together with the first mold; a resin injection unit that is provided to the second mold and injects a resin material in the magnet insertion hole by using a molding machine; and a protrusion that is inserted into the magnet insertion hole by a predetermined insertion amount, and positions and holds the magnet by an end of the magnet being brought into contact with the protrusion, in a state of the first mold and the second mold being clamped.

Abstract: A winding arrangement method for a radial gap-type motor in which a three phase winding wound in a distributed winding form is inserted in slots of a stator includes: a coil forming step that, for each phase, forms a coil wound for each one pole pair; a coil group forming step that, for each phase, forms a first coil group by connecting odd-number-th coils along a direction of rotation via crossover wires, and forms a second coil group by connecting even-number-th coils along the direction of rotation via crossover wires; and a parallel-connecting step that, for each phase, connects the first coil group and the second coil group at one end, to form a current input side lead wire at the connection point, and connects the first coil group and the second coil group at the other end, to form a neutral point at the connection point.

Abstract: Provided is a motor controller including: a rotation control unit configured to control a rotation of a motor; a brake control unit configured to control an operation of a brake for holding a rotor with respect to a stator of the motor; a rotation-state detection unit configured to detect a rotation state of the motor; a timer configured to measure, in a released state where an operation of the brake is released by the brake control unit, a time from an outputting of a command to change over a state of the brake to a locked state to a detection of a predetermined change in a rotation state of the motor by the rotation-state detection unit; and a determination unit configured to determine that a brake operation delay abnormality is present when the time, measured by the timer, is equal to or more than a predetermined threshold.

Abstract: A motor selection method includes: referring to a database containing data pertaining to rated speeds, continuous rated torques, and upper limit values of load inertia moment of a plurality of motors; dividing the database, based on the upper limit values of load inertia moment; obtaining information pertaining to a required rotation speed, continuous rated torque, and load inertia moment; selecting one group from a plurality of groups; and selecting a motor meeting the following conditions. rotation speed required of motor?rated speed continuous torque required of motor?continuous rated torque load inertia moment required of motor?upper limit value of load inertia moment.

Abstract: Provided are a motor and method for producing the motor that automatically insert interphase insulation paper. Interphase insulation paper (7) has a parting strip (8) that partitions the boundary between windings (5) that are adjacent in the circumferential direction when inserted into coil ends (6). The parting strip (8) is sandwiched between the adjacent windings (5, 5).