Abstract: An electric motor that can facilitate a process of manufacturing the electric motor. The electric motor includes a substrate mounted with an electronic component, a first connector provided on a stator, the first connector configured to receive a power signal input to a coil and a communication signal with the electronic component, and a wiring structure communicably connecting the electronic component and the first connector. The wiring structure has a second connector mounted on the substrate, and a third connector fixed to the stator, the third connector configured to be connected to the second connector and configured to attach the substrate to the stator by an operation of moving the substrate toward the stator.

Abstract: An abnormality detector includes a signal output unit for detecting a sign of an abnormality based on a physical quantity acquired from a manufacturing machine and outputting a signal; and a machine learning device including state observation unit for observing, as a state variable representing a present state of the environment, physical quantity data indicating the physical quantity related to an operation of the manufacturing machine from the manufacturing machine; a label data acquisition unit for acquiring, as label data, operation state data indicating an operation state of the manufacturing machine; a learning unit for learning the operation state of the manufacturing machine with respect to the physical quantity, using the state variable and the label data; and an estimation result output unit for estimating the operation state of the manufacturing machine using a learning result by the learning unit and outputting an estimation result.

Abstract: A mounting structure of a rotating member of an encoder for detecting a phase angle of a magnet provided on a rotor of a motor includes: a rotating shaft configured to be rotated by driving of the motor; the rotating member on which a phase angle detection pattern configured to detect the phase angle is formed; and a boss attached to the rotating member and configured to mount the rotating member to an end of the rotating shaft. In this configuration, the end of the rotating shaft and the boss are provided with a first positioning structure configured to position a mounting position of the boss relative to the rotating shaft about the axis of the rotating shaft.

Abstract: A mounting structure of a rotating member of an encoder for detecting a phase angle of a magnet provided on a rotor of a motor includes: a rotating shaft configured to be rotated by driving of the motor; the rotating member on which a phase angle detection pattern configured to detect the phase angle is formed; and a boss attached to the rotating member and configured to mount the rotating member to an end of the rotating shaft. In this configuration, the end of the rotating shaft and the boss are provided with a first positioning structure configured to position a mounting position of the boss relative to the rotating shaft about the axis of the rotating shaft.

Abstract: A motor includes a sheet-like gasket for sealing the gap between a stator core and an encoder. The gasket has a structure including a metal plate and a sealing member covering the metal plate, and the gasket includes a first portion that is disposed at least between the end face on one end side of the stator core and the encoder and a second portion that has a structure including the sealing member with no metal plate and extends inward from the first portion to contact the projection.

Abstract: An encoder and a manufacturing method thereof, by which the encoder can be manufactured by a few processes at a low cost. The encoder has a rotating slit rotatable about an axis, a printed circuit board for measuring a rotational displacement of the rotating slit, a flange to which the printed circuit board is fixed after positioning the printed circuit board, a first connector fixed to the flange, and a second connector mounted on the printed circuit board and connected to the first connector. At least one of the first connector and the second connector is a floating connector having a structure configured to absorb a displacement at least in a direction perpendicular to the axis 12.

Abstract: An electric motor that can facilitate a process of manufacturing the electric motor. The electric motor includes a substrate mounted with an electronic component, a first connector provided on a stator, the first connector configured to receive a power signal input to a coil and a communication signal with the electronic component, and a wiring structure communicably connecting the electronic component and the first connector. The wiring structure has a second connector mounted on the substrate, and a third connector fixed to the stator, the third connector configured to be connected to the second connector and configured to attach the substrate to the stator by an operation of moving the substrate toward the stator.

Abstract: A motor includes a sheet-like gasket for sealing the gap between a stator core and an encoder. The gasket has a structure including a metal plate and a sealing member covering the metal plate, and the gasket includes a first portion that is disposed at least between the end face on one end side of the stator core and the encoder and a second portion that has a structure including the sealing member with no metal plate and extends inward from the first portion to contact the projection.

Abstract: A cover having a container portion whose one end is opened and whose other end is closed by a bottom surface, includes: an annular groove formed into an annular shape along an outer circumference of an opening of the container portion; a plurality of communicating portions that are formed in a side wall partitioning the annular groove and the container portion so as to connect the annular groove and the container portion in a radial direction; and an annular seal member fitted to the annular groove.

Abstract: An encoder and a manufacturing method thereof, by which the encoder can be manufactured by a few processes at a low cost. The encoder has a rotating slit rotatable about an axis, a printed circuit board for measuring a rotational displacement of the rotating slit, a flange to which the printed circuit board is fixed after positioning the printed circuit board, a first connector fixed to the flange, and a second connector mounted on the printed circuit board and connected to the first connector. At least one of the first connector and the second connector is a floating connector having a structure configured to absorb a displacement at least in a direction perpendicular to the axis 12.

Abstract: A mounting structure of a rotating member of an encoder for detecting a phase angle of a magnet provided on a rotor of a motor includes: a rotating shaft configured to be rotated by driving of the motor; the rotating member on which a phase angle detection pattern configured to detect the phase angle is formed; and a boss attached to the rotating member and configured to mount the rotating member to an end of the rotating shaft. In this configuration, the end of the rotating shaft and the boss are provided with a first positioning structure configured to position a mounting position of the boss relative to the rotating shaft about the axis of the rotating shaft.

Abstract: An encoder includes: a shaft configured to rotate together with an object to be measured; a rotating member provided on one end side of the shaft and having a pattern formed thereon to detect change of the rotation angle of the shaft; a circuit board arranged to face the rotating member and configured to measure displacement of the rotating member; a magnet configured to rotate together with the shaft; and a power generation element configured to generate electricity by rotation of the magnet. The magnet is arranged so as to pass through a through hole formed in the rotating member; and the power generation element is arranged on a surface of the circuit board that is opposite to a surface thereof facing the rotating member.

Abstract: A motor capable of suppressing droplets of water generated due to condensation from adhering to electrical components inside a rotary encoder is provided. A motor includes: a motor main body having a rotating shaft member; and a rotary encoder, wherein the rotary encoder has a cover member, and an inner surface of the cover member has a first top surface formed having an inclined portion that is inclined relative to a horizontal direction so as to guide a droplet of water when the rotating shaft member is disposed to extend in a vertical direction, and/or a second top surface formed having an inclined portion that is inclined relative to a horizontal direction so as to guide a droplet of water when the rotating shaft member is disposed to extend in a horizontal direction.

Abstract: An encoder includes: a disk having a pattern of slits arranged in one direction; a light emitting element for emitting light toward the pattern of the disk; multiple first light receiving elements for receiving the light emitted from the light emitting element, by way of the slits and outputting a signal according to the amount of the received light; and multiple second light receiving elements for receiving the light emitted from the light emitting element, by way of the slits, at a phase different from a phase at which the first light receiving elements receive the light, and outputting a signal according to an amount of the received light. In this configuration, a first region in which the multiple first light receiving elements are arranged and a second region in which the multiple second light receiving elements are arranged are provided so as to be separated from each other.

Abstract: An encoder includes: a disk having a pattern of slits arranged in one direction; a light emitting element for emitting light toward the pattern of the disk; a plurality of light receiving elements arranged in the direction in which the slits are arranged and configured to receive the light emitted from the light emitting element, by way of the slits; and an optical element configured to magnify an image formed by the light which is emitted by the light emitting element and then reaches the optical element by way of the slits and to transmit the magnified image toward the light receiving elements, the optical element having a magnification ratio that is set so as to magnify the formed image at least in the direction in which the light receiving elements are arranged, depending on the pitch of the slits and the pitch of the light receiving elements.

Abstract: In an encoder device, a first gear is made of a transparent resin allowing transmission of light and includes: a detection target on which an optical pattern for detecting the absolute rotation angle within one rotation is formed, and a plurality of teeth formed on the outer periphery of the detection target. A first sensor includes a light emitter configured to emit light toward the detection target and a light receiver configured to receive the light transmitted through the detection target.

Abstract: An abnormality detector includes a signal output unit for detecting a sign of an abnormality based on a physical quantity acquired from a manufacturing machine and outputting a signal; and a machine learning device including state observation unit for observing, as a state variable representing a present state of the environment, physical quantity data indicating the physical quantity related to an operation of the manufacturing machine from the manufacturing machine; a label data acquisition unit for acquiring, as label data, operation state data indicating an operation state of the manufacturing machine; a learning unit for learning the operation state of the manufacturing machine with respect to the physical quantity, using the state variable and the label data; and an estimation result output unit for estimating the operation state of the manufacturing machine using a learning result by the learning unit and outputting an estimation result.

Abstract: A rotary encoder includes: an axis holding unit that holds a rotary axis member; a rotary slit plate that rotates around a rotary axis of the rotary axis member; a fixed slit plate that is arranged so as to face the rotary slit plate; a light emitting unit; a light receiving unit that receives the light emitted from the light emitting unit; and a fixed slit table that has a first positioning unit that is attached with the fixed slit plate and positions the fixed slit plate, and a light emitting unit holding unit that holds the light emitting unit. The first positioning unit has an abutting unit and a deformation unit. The fixed slit plate is arranged in between the abutting unit and the deformation unit while the fixed slit plate abuts to the abutting unit, by the deformation unit that has deformed.

Abstract: A cover having a container portion whose one end is opened and whose other end is closed by a bottom surface, includes: an annular groove formed into an annular shape along an outer circumference of an opening of the container portion; a plurality of communicating portions that are formed in a side wall partitioning the annular groove and the container portion so as to connect the annular groove and the container portion in a radial direction; and an annular seal member fitted to the annular groove.

Abstract: A motor is provided that is capable of eliminating the need to prepare (develop, manufacture, or possess) motor bodies and rotary encoders of multiple different specifications by facilitating connections to motor bodies or rotary encoders having different contact positions. In a motor 1 including a motor body and a rotary encoder, the motor body includes a motor body side connector with a motor body side contact and the rotary encoder includes a rotary encoder side connector with a rotary encoder side contact. The motor body side contact 2 and the rotary encoder side contact are electrically connected. One or both of the motor body side contact and the rotary encoder side contact have a shape extending in a radial direction.