Abstract: A multi-degree-of-freedom actuator includes a movable element having a plurality of permanent magnets, and a stator including a stator core and a plurality of coils. The permanent magnets are arranged in the X direction such that the number P of poles is an even number of two or more. The coils are of two types: X-direction driving coil and Z-direction driving coil. The Z-direction driving coils the number of which is P are disposed at positions opposite to magnetic poles of the permanent magnets. The X-direction driving coil or coils the number of which is P/2 are each disposed at a position opposite to an intermediate point between two adjacent ones of the magnetic poles of the permanent magnets.

Abstract: A direct acting rotation actuator includes a motor unit, an output shaft, a detector unit, and a bearing portion. The motor unit includes a field magnet portion which includes a permanent magnet or a core tooth, a first armature winding which generates a rotation magnetic field in the rotation direction, and a second armature winding which generates a traveling magnetic field in the direct acting direction. The output shaft is attached to the field magnet portion of the motor unit. The detector unit includes a direct acting detector and a rotation detector respectively detecting a position in the direct acting direction and an angle in the rotation direction of the output shaft. The bearing portion includes a direct acting bearing and a rotation bearing respectively supporting the output shaft in the direct acting direction and the rotation direction. The motor unit is disposed on an anti-load side of the output shaft, and the detector unit is disposed on a load side of the output shaft.

Abstract: A processing-object-supporting mechanism includes at least three devices each including a lift pin, a motor, and a drive controller. The lift pin contacts a processing object to support the processing object. The processing object is transferred between a conveying arm and the processing-object-supporting mechanism. The motor lifts and lowers the lift pin. The drive controller is configured to control the motor. The drive controller of each of the at least three devices is configured to control the motor of each of the at least three devices independently.

Abstract: The disclosure discloses a linear motor comprising: a field system in which a plurality of permanent magnets are linearly arranged: and an armature configured to face said field system and to have an armature core provided with armature windings, said linear motor running along a predetermined direction of travel with either said field system or said armature serving as a mover and the other serving as a stator, wherein: said armature core comprises: auxiliary teeth that are respectively provided on both ends along said direction of travel and around which said armature windings are not wound; and a plurality of main teeth that are provided between said auxiliary teeth, and each of said auxiliary teeth comprises an end portion shape in which a dimension in a teeth height direction orthogonal to said direction of travel is variable along said direction of travel.

Abstract: Provided is a linear motor device which is compact even when a stroke is increased, which can reduce heat generation, and which can eliminate damping force caused by circulating current. The linear motor device includes a linear motor that includes a movable member having a plurality of fields and a stator in which a plurality of armatures including polyphase coils are arranged in line in the moving direction of the movable member, and a controller that sequentially outputs control commands to current amplifiers respectively connected to the armatures in accordance with the relative position of the movable member. The controller selectively outputs the control commands to only the current amplifiers corresponding to the armatures which are opposite the movable member such that the armatures are positioned within a range corresponding to the length in the moving direction of the movable member.

Abstract: A canned linear motor armature includes an armature winding, a picture-frame-shaped casing, a flat can, and a plurality of refrigerant flow channels. The armature winding includes a coil. The picture-frame-shaped casing has an opening and encloses the armature winding. The flat can has a plate surface to close and seal the opening of the picture-frame-shaped casing. The plurality of refrigerant flow channels are provided within the can to face the coil of the armature winding.

Abstract: A linear and curvilinear motor system includes: linear and curvilinear guiding devices movably guiding and respectively supporting right and left of a slider, each having a guide rail configured by linear tracks and a circular arc track and slider blocks; a motor unit having a stator with a stator linear section and a stator circular arc section and a mover with a linear section and provided for the slider and away from the stator with a gap interposed therebetween; and an encoder head and a hole sensor detecting positions of the linear tracks and the circular arc track. When a magnetic pole pitch of the linear section of the stator is a distance ?m and a magnetic pole pitch of the circular arc section of the stator is an angle ?m, a radius r of the circular arc track at the position detection point is defined as r=?m/?m.

Abstract: A periodic magnetic field generation device is provided with a field pole of a Halbach array structure in which main pole permanent magnets magnetized in a direction of a generated field and sub pole permanent magnets magnetized in a direction opposite to the direction of magnetic poles of the main pole permanent magnets are alternately disposed linearly or circularly so as to be adjacent to each other. A part of each of the main pole permanent magnets on a side on which the magnetic field is generated is replaced by a soft magnetic member, and a relation between a length A of the soft magnetic member on the side of the generated field along a moving direction and a length B of each main pole permanent magnet on a side of a back yoke along the moving direction is A<B.

Abstract: A multi-degree-of-freedom actuator includes a movable element having a plurality of permanent magnets, and a stator including a stator core and a plurality of coils. The permanent magnets are arranged in the X direction such that the number P of poles is an even number of two or more. The coils are of two types: X-direction driving coil and Z-direction driving coil. The Z-direction driving coils the number of which is P are disposed at positions opposite to magnetic poles of the permanent magnets. The X-direction driving coil or coils the number of which is P/2 are each disposed at a position opposite to an intermediate point between two adjacent ones of the magnetic poles of the permanent magnets.

Abstract: A linear motor armature includes a plurality of armature core blocks that are linearly connected to each other, each armature core block being formed of a stack of a plurality of armature cores that are substantially I-shaped, each armature core block including teeth portions around which armature coils are wound, the teeth portions being provided in two end portions of the armature core block in a longitudinal direction of the armature core block, and a step portion extending in a direction perpendicular to the longitudinal direction of the armature core block, the step portion being provided at a center of the armature core block and having a width larger than a width of the teeth portions, wherein an attachment hole for fixing each of the plurality of armature core blocks to an external armature attachment plate is formed in each of two side portions of the step portion.

Abstract: In the canned linear motor armature, both the side surfaces of the armature winding (18) are fixed by two winding fixing frames (4) so as to sandwich the armature winding in between them in the longitudinal direction. A refrigerant passage (5) is provided in a space between the can (3) and the winding fixing frame (4). A seal material (24) is provided in a gap between a case (2) and the winding fixing frame (4) to prevent a refrigerant supplied to the refrigerant passage (5) from leaking to the armature winding (18) sandwiched in between the two winding fixing frames (4) to impregnate the armature winding (18) with the refrigerant. A waterproof film is adhered onto a surface of the winding fixing frame (4) where the refrigerant comes into contact.

Abstract: A canned linear motor armature includes an armature winding, a picture-frame-shaped casing, a flat can, and a plurality of refrigerant flow channels. The armature winding includes a coil. The picture-frame-shaped casing has an opening and encloses the armature winding. The flat can has a plate surface to close and seal the opening of the picture-frame-shaped casing. The plurality of refrigerant flow channels are provided within the can to face the coil of the armature winding.

Abstract: A canned linear motor armature and a canned linear motor. The canned linear motor armature including a winding accommodating frame formed in the shape of a recess which accommodates an armature winding; a flat plate-shaped connection substrate which connects the armature winding; cans which close airtightly both opening portions of the housing; refrigerant passages formed respectively between the can and the winding accommodating frame and between the can and the connection substrate; and a lead wire which connects the connection substrate and a terminal base, is so constructed that coating with an adhesive resin is provided around a land that is a connection part for connecting the armature winding and the lead wire on the connection substrate so as to include the connection part, and the surroundings of the adhesive resin are filled with a filled resin.

Abstract: A linear motor system that can extend the stroke of a linear motor, with power saving and at a low cost, is provided. In a linear motor system, constituted by a linear motor 100, a controller 7 for supplying a variable voltage, a winding switching device 6, for opening and closing phase windings 5 of individual phases that form a plurality of winding groups 4 that are separated in a stroke direction, the winding switching device 6 is constituted by a three-phase rectifying member, a semiconductor switch, which is located at both ends on the direct-current output side of the three-phase rectifying member, and a resistor and a capacitor, connected in parallel to the semiconductor switch. For each of the phase windings, which form the plurality of winding groups 4, separated in the stroke direction, one end is connected to the output end of the controller 7 and the other end is connected to an alternating-current input side of the three-phase rectifying member of the winding switching device 6.

Abstract: A coreless linear motor and a canned linear motor that can significantly reduce an increase in surface temperature of a linear motor armature are provided. In a magnetic field system of a coreless linear motor 1a, two rows of permanent magnets 201a are disposed on the opposite sides in a magnetic field yoke 202, and an armature 101a is disposed so that armature coils 102a and 103a including a plurality of coil groups centrally wound in the magnetic field system having the two rows of permanent magnets are arranged in two rows. One end of the two rows of the armature coils 102a and 103a in a direction perpendicular to a direction of a magnetic gap between the two rows of permanent magnets branches into two parts, and the other end is arranged back-to-back. Further, the substrate 104a for connecting the coils is inserted into a gap between the two rows of the branching coils 102a and 103a. The armature coils 102a and 103a and the substrate 104a are integrally formed and fixed by mold resin 105.

Abstract: An object of the invention is to provide a coreless linear motor which can suppress the increase in the temperature of an armature winding.

Abstract: The present invention provides a canned linear motor armature and a canned linear motor in which insulation reliability of the canned linear motor armature of a water cooling type is improved, and assembly workability is good.

Abstract: A linear motor system that can extend the stroke of a linear motor, with power saving and at a low cost, is provided. In a linear motor system, constituted by a linear motor 100, a controller 7 for supplying a variable voltage, a winding switching device 6, for opening and closing phase windings 5 of individual phases that form a plurality of winding groups 4 that are separated in a stroke direction, the winding switching device 6 is constituted by a three-phase rectifying member, a semiconductor switch, which is located at both ends on the direct-current output side of the three-phase rectifying member, and a resistor and a capacitor, connected in parallel to the semiconductor switch. For each of the phase windings, which form the plurality of winding groups 4, separated in the stroke direction, one end is connected to the output end of the controller 7 and the other end is connected to an alternating-current input side of the three-phase rectifying member of the winding switching device 6.

Abstract: In the canned linear motor armature, both the side surfaces of the armature winding (18) are fixed by two winding fixing frames (4) so as to sandwich the armature winding in between them in the longitudinal direction. A refrigerant passage (5) is provided in a space between the can (3) and the winding fixing frame (4). A seal material (24) is provided in a gap between a case (2) and the winding fixing frame (4) to prevent a refrigerant supplied to the refrigerant passage (5) from leaking to the armature winding (18) sandwiched in between the two winding fixing frames (4) to impregnate the armature winding (18) with the refrigerant. A waterproof film is adhered onto a surface of the winding fixing frame (4) where the refrigerant comes into contact.

Abstract: A coreless linear motor and a canned linear motor that can significantly reduce an increase in surface temperature of a linear motor armature are provided. In a magnetic field system of a coreless linear motor 1a, two rows of permanent magnets 201a are disposed on the opposite sides in a magnetic field yoke 202, and an armature 101a is disposed so that armature coils 102a and 103a including a plurality of coil groups centrally wound in the magnetic field system having the two rows of permanent magnets are arranged in two rows. One end of the two rows of the armature coils 102a and 103a in a direction perpendicular to a direction of a magnetic gap between the two rows of permanent magnets branches into two parts, and the other end is arranged back-to-back. Further, the substrate 104a for connecting the coils is inserted into a gap between the two rows of the branching coils 102a and 103a. The armature coils 102a and 103a and the substrate 104a are integrally formed and fixed by mold resin 105.