Abstract: Provided is a stator of a rotating electric machine including: a stator core; windings of multiple phases wound around the stator core via insulators attached to the stator core; and tab terminals that each have at least one slit and a plate-shaped tab and that electrically connect an end portion of a winding, of one of the multiple phases, of the windings to an end portion of an other of the windings of a different one of the multiple phases, wherein a portion of each of the insulators or a resin component different from the insulators has a connection terminal insertion hole into which the tab terminal is inserted, and the connection terminal insertion hole is formed on a circle centered on a shaft center of the stator, and a plate surface of the tab of the tab terminal to be inserted into the connection terminal insertion hole is placed to be tangential to the circle.

Abstract: A plurality of magnet holes are arranged in a circumferential direction. Void portions are provided at both ends in the circumferential direction of each magnet hole. Flow holes penetrating in the axial direction are formed, between the magnet holes adjacent in the circumferential direction, on an inner side in a radial direction with respect to the magnet holes. Each core has: first groove portions via which the void portions and the flow holes communicate with each other; and second groove portions via which the void portions and the outer circumferences of the cores communicate with each other and which serve as discharge ports. The end plates have: first holes through which the flow holes are exposed and which serve as intake ports; and tab portions which are located on downstream sides in a rotation direction of the first holes and which assist air intake.

Abstract: A plurality of magnet holes are arranged in a circumferential direction. Void portions are provided at both ends in the circumferential direction of each magnet hole. Flow holes penetrating in the axial direction are formed, between the magnet holes adjacent in the circumferential direction, on an inner side in a radial direction with respect to the magnet holes. Each core has: first groove portions via which the void portions and the flow holes communicate with each other; and second groove portions via which the void portions and the outer circumferences of the cores communicate with each other and which serve as discharge ports. The end plates have: first holes through which the flow holes are exposed and which serve as intake ports; and tab portions which are located on downstream sides in a rotation direction of the first holes and which assist air intake.

Abstract: A magnetic pole includes a core, winding frames, and sheet-like insulators. The winding frames are provided to both ends, in a direction along the central axis, of the core, and have thin portions and projections. The thin portions and the projections extend in a direction along the central axis. The insulators are provided on both sides in the circumferential direction of a tooth portion. A part of each insulator is held by being sandwiched between the projection and the thin portion provided to each winding frame.

Abstract: A rotor core is configured by stacking a plurality of core plates each including: an inner peripheral side core portion; an outer peripheral side core portion; a magnet insertion hole; a radial connection portion to be connected to the inner peripheral side core portion; a circumferential connection portion to be connected between the outer peripheral side core portion and the radial connection portion, including a minimum width portion having a width smaller than widths at both ends, and having a width smoothly decreasing from both ends toward the minimum width portion; and a thin portion including a uniform thickness portion which is provided in the circumferential connection portion and which has a uniform thickness and a non-uniform thickness portion which is adjacent to the uniform thickness portion and which has an increasing thickness, the thin portion having the minimum width portion within the uniform thickness portion.

Abstract: A rotor core in which magnets are embedded is formed by stacking a plurality of steel sheets. Each steel sheet which has a disk shape has: six magnet insertion holes formed so as to allow permanent magnets to be inserted therein as a whole; circumferential-direction bridge portions connecting, in the circumferential direction, radially-outer-side steel sheets each formed at the peripheral part of the steel sheet, between the magnet insertion holes; and radial-direction bridge portions formed between the magnet insertion holes. The circumferential-direction bridge portions and the radial-direction bridge portions have coined portions having decreased sheet thicknesses and protruding in an arc shape in the sheet-thickness direction. The coined portions having decreased sheet thicknesses suppress short-circuit of a magnetic flux between magnetic poles, and formation of the arc shapes absorbs extension of these portions caused by a coining work, to suppress deformation of the steel sheet.

Abstract: A plurality of magnet holes are arranged in a circumferential direction. Void portions are provided at both ends in the circumferential direction of each magnet hole. Flow holes penetrating in the axial direction are formed, between the magnet holes adjacent in the circumferential direction, on an inner side in a radial direction with respect to the magnet holes. Each core has: first groove portions via which the void portions and the flow holes communicate with each other; and second groove portions via which the void portions and the outer circumferences of the cores communicate with each other and which serve as discharge ports. The end plates have: first holes through which the flow holes are exposed and which serve as intake ports; and tab portions which are located on downstream sides in a rotation direction of the first holes and which assist air intake.

Abstract: Provided is a stator of a rotating electric machine including: a stator core; windings of multiple phases wound around the stator core via insulators attached to the stator core; and tab terminals that each have at least one slit and a plate-shaped tab and that electrically connect an end portion of a winding, of one of the multiple phases, of the windings to an end portion of an other of the windings of a different one of the multiple phases, wherein a portion of each of the insulators or a resin component different from the insulators has a connection terminal insertion hole into which the tab terminal is inserted, and the connection terminal insertion hole is formed on a circle centered on a shaft center of the stator, and a plate surface of the tab of the tab terminal to be inserted into the connection terminal insertion hole is placed to be tangential to the circle.

Abstract: A magnetic pole includes a core, winding frames, and sheet-like insulators. The winding frames are provided to both ends, in a direction along the central axis, of the core, and have thin portions and projections. The thin portions and the projections extend in a direction along the central axis. The insulators are provided on both sides in the circumferential direction of a tooth portion. A part of each insulator is held by being sandwiched between the projection and the thin portion provided to each winding frame.

Abstract: A rotor core in which magnets are embedded is formed by stacking a plurality of steel sheets. Each steel sheet which has a disk shape has: six magnet insertion holes formed so as to allow permanent magnets to be inserted therein as a whole; circumferential-direction bridge portions connecting, in the circumferential direction, radially-outer-side steel sheets each formed at the peripheral part of the steel sheet, between the magnet insertion holes; and radial-direction bridge portions formed between the magnet insertion holes. The circumferential-direction bridge portions and the radial-direction bridge portions have coined portions having decreased sheet thicknesses and protruding in an arc shape in the sheet-thickness direction. The coined portions having decreased sheet thicknesses suppress short-circuit of a magnetic flux between magnetic poles, and formation of the arc shapes absorbs extension of these portions caused by a coining work, to suppress deformation of the steel sheet.

Abstract: A rotor core is configured by stacking a plurality of core plates each including: an inner peripheral side core portion; an outer peripheral side core portion; a magnet insertion hole; a radial connection portion to be connected to the inner peripheral side core portion; a circumferential connection portion to be connected between the outer peripheral side core portion and the radial connection portion, including a minimum width portion having a width smaller than widths at both ends, and having a width smoothly decreasing from both ends toward the minimum width portion; and a thin portion including a uniform thickness portion which is provided in the circumferential connection portion and which has a uniform thickness and a non-uniform thickness portion which is adjacent to the uniform thickness portion and which has an increasing thickness, the thin portion having the minimum width portion within the uniform thickness portion.

Abstract: Center bridges connecting an inner-circumferential-side core part and an outer-circumferential-side core part are provided so as to divide magnet insertion holes in which magnets forming one pole are inserted, into a plurality of parts in the circumferential direction. Each center bridge is formed in parallel with and line-symmetrically about a pole axis, and in connection portions respectively connected to the inner-circumferential-side core part and the outer-circumferential-side core part, border portions with respect to the magnet insertion holes are formed in an elliptic arc shape having a major axis parallel with the pole axis or in a curved shape obtained by smoothly connecting a plurality of circular arcs of which radiuses of curvature sequentially decrease toward the outer circumference of a rotor core.

Abstract: A three-dimensional model data producing processing apparatus produces three-dimensional model data using design data (CAD data) of an object to be recognized. The three-dimensional model data producing processing includes processing conversion processing, edit processing, and teaching processing. The conversion processing and the edit processing are performed to the design data on a computer. The teaching processing is performed in a practical environment. It is not necessary to image a workpiece model in the three-dimensional model data producing processing.

Abstract: A polygonal mark M having a shape in which a direction can be uniquely specified is attached to a predetermined area of an actual model WM of a work to be three-dimensionally recognized. A process of changing the orientation of the actual model WM such that a state in which the mark M is contained in the view of each camera is maintained, and then performing the three-dimensional measurement is executed over a plurality of times. A predetermined number of, or two or more pieces of three-dimensional information is selected from the three-dimensional information restored by each measurement, these pieces of three-dimensional information are aligned and integrated, the information corresponding to the mark is deleted or invalidated from the integrated three-dimensional information, and the three-dimensional information after such a process is set as a three-dimensional model.

Abstract: A three-dimensional model data producing processing apparatus produces three-dimensional model data using design data (CAD data) of an object to be recognized. The three-dimensional model data producing processing includes processing conversion processing, edit processing, and teaching processing. The conversion processing and the edit processing are performed to the design data on a computer. The teaching processing is performed in a practical environment. It is not necessary to image a workpiece model in the three-dimensional model data producing processing.

Abstract: A welding set and a welding method that suppresses the unnecessary magnetization of a permanent magnet member by a welding current when welding one metal member including a permanent magnet member and the other metal member together are obtained. The welding set is provided with a work retaining part 3 that retains a work 14; a pressure device 4 located over the work retaining part 3 with a work-providing space interposed; a first welding electrode 8 mounted on a moving part 4a of the pressure device 4; a second welding electrode 10; and a welding transformer 11 that supplies a welding current to both of the welding electrodes 8, 10. Both of the welding electrodes 8, 10 are located on one end side of the work 14 with respect to one metal member and the other metal member respectively, as well as are located so that there is no permanent magnet member 18 between respective abutment terminal of one metal member and the other metal member.

Abstract: This invention aims to ensure accuracy of a three-dimensional model to be registered. With information a of three-dimensional information a, b, c restored by measuring an actual model of a work, which is a target of three-dimensional recognition, from different directions as a reference, other three-dimensional information b, c are coordinate transformed so as to be aligned with the reference three-dimensional information, and three-dimensional information d including all of three-dimensional information b?, c? after the transformation and the reference three-dimensional information a is created. The three-dimensional information d is temporarily registered as the three-dimensional model. A difference amount among the integrated three-dimensional information a, b?, c? is calculated, and an evaluation index based on the difference value is displayed with an image view of a contour pattern represented by the three-dimensional model.

Abstract: This invention aims to create a three-dimensional model of satisfactory accuracy even when adopting a method of performing three-dimensional measurement by arbitrarily changing a positional relationship between an actual model and a camera, and aligning and integrating three-dimensional information restored by each measurement. A polygonal mark M having a shape in which a direction can be uniquely specified is attached to a predetermined area of an actual model WM of a work to be three-dimensionally recognized. A process of changing the orientation of the actual model WM such that a state in which the mark M is contained in the view of each camera is maintained, and then performing the three-dimensional measurement is executed over a plurality of times.

Abstract: A welding set and a welding method that suppresses the unnecessary magnetization of a permanent magnet member by a welding current when welding one metal member including a permanent magnet member and the other metal member together are obtained. The welding set is provided with a work retaining part 3 that retains a work 14; a pressure device 4 located over the work retaining part 3 with a work-providing space interposed; a first welding electrode 8 mounted on a moving part 4a of the pressure device 4; a second welding electrode 10; and a welding transformer 11 that supplies a welding current to both of the welding electrodes 8, 10. Both of the welding electrodes 8, 10 are located on one end side of the work 14 with respect to one metal member and the other metal member respectively, as well as are located so that there is no permanent magnet member 18 between respective abutment terminal of one metal member and the other metal member.

Abstract: A brake structure of a traction machine includes a brake drum which is made rotatable about a shaft disposed on a rotary axis of the traction machine, and an electromagnetic brake unit built in an inner space of the brake drum. The electromagnetic brake unit includes a plurality of movable iron cores, a plurality of brake shoes located on the outside of the individual movable iron cores and joined thereto by connecting members, the brake shoes having curved outer surfaces facing a curved inner surface of the brake drum, and a one-piece formed stationary iron core block. The one-piece formed stationary iron core block has a plurality of stationary iron core portions joined to the individual movable iron cores via compression springs for forcing the individual brake shoes against the curved inner surface of the brake drum via the movable iron cores and the connecting members.