Abstract: A plurality of stator arc segments 20 are linked together by a phase change material 22 enabling simplified winding and higher slot fill. Once wound this continuous structure can be formed into a toroidal core 17 for a stator assembly 40 used to make a motor 100. In a preferred embodiment, a monolithic body 42 of phase change material substantially encapsulates the conductors and holds the stator arc segments 20 in contact with each other in the toroidal core 17. Hard disc drives using the motor 100, and methods of constructing the motor 100 are also disclosed.

Abstract: A rotor assembly comprising: a circular iron core having a top and bottom side spaced from each other; extruded aluminum bars inserted into and around the circumference of the circular iron core; and a pair of extruded circular end rings attached to the top and bottom of the iron core. The circular end rings are cut from an elongated extruded member and are configured to have a plurality of openings configured to align with and receive a portion of the extruded aluminum bars when they are inserted into the iron core. A manufacturing process for manufacturing the rotor assembly is also described.

Abstract: A method for making a stator assembly having a thermally-conductive, plastic housing for a high speed motor is provided. A thermally-conductive, high-density polymer composition is used to make the housing, and the stator is uniformly encapsulated therein. The polymer composition comprises a base polymer matrix such as polyphenylene sulfide, and a thermally-conductive, high-density filler material such as zinc oxide.

Abstract: An apparatus is provided to assist a user in aligning and sizing a plurality of spaced-apart channels to be formed in a cleat connected to a power generator housing so as to secure a plurality of leads extending from a power generator through the housing. The apparatus includes a main member to which secondary members removably and movingly connect to align with the leads. Channel sizers connect to the secondary members to register the diameter of each lead. The apparatus first aligns with and registers the diameter of each lead and is then positioned adjacent the housing to assist the user in correctly spacing and forming holes in a support structure such as a cleat. Related methods are also provided for aligning and sizing channels to be formed in a cleat or other support structure to secure the leads extending from the power generator through the housing.

Abstract: An apparatus for assembling a stator core having a plurality of radially disposed and radially movably jigs for holding the segmented cores. Vertically movable cams are provided vertically downwards on an upper vertically movable plate. By lowering the movably plate, the jigs are pushed radially inwards, thereby causing the plurality of segmented cores circumferentially to approach each other. The projection of each segmented core is fit by press fitting into the groove of the adjoining segmented core in the circumferential direction, thereby connecting the segmented cores together.

Abstract: Punchings for stator core laminations of a generator stator frame are disposed on a rotary table to form annular arrays of punchings, with each layer staggered relative to adjacent layers. A mandrel is disposed at the center of the table and has fingers projecting radially for receiving the slots of the punchings to facilitate location of the punchings on the table and relative to one another. An annular cover is provided and disposed over the uppermost layer of punchings and clamped to the superposed sets of annular layers of punchings. The cover and punchings can then be removed from the table for disposition in the generator stator frame. The fingers on the mandrel are displaced vertically relative to the table as the height of the punchings on the table increases.

Abstract: A method of manufacturing a winding includes steps of twisting U-shaped conductor segments, inserting straight portions of the twisted conductor segments in slots of a stator core, bending ends of the straight portions in a circumferential direction of the stator core and joining the ends. The method further includes a step of pressing turn portions of the U-shaped conductor segments by a turn portion twisting apparatus such that widths of the turn portions reduce in radial directions. The pressing step is performed simultaneously with the twisting step. Alternatively, the pressing step is performed after the twisting step.

Abstract: The method makes it possible to form a stator of an electric motor by means of a multiple-slide press (21, 22, 23). The starting point is a bundle consisting of rectilinear segments of sheets obtained by stamping and welded. The stator is formed by means of four successive operations carried out by four groups of slides of a multiple-slide press and corresponding dies. The cylinder formed is subsequently welded along its joining generatrix and is calibrated in a hydraulic press.

Abstract: A method and apparatus for winding a multi-pole stator (1), having a ferromagnetic sheet core stack (3), an axis of symmetry (2) and a plurality of radially extending poles. A centering step is accomplished in a winding station, with respect to shroud means, and includes arranging the stator (1) in the winding station near at least a shroud (10) and a winding flier (14), relatively aligning the mid-planes of the stator (2) and the shroud (12); winding the stator by the flier and the shroud means with symmetric opening/closing of the shroud with respect to the mid-plane of the stator. The alignment can be obtained by integral relative translation of the stator and the shroud means. Alternatively, the alignment can be obtained by independent closing/opening of two semi-shrouds that form the shroud means, whereby the two semi-shrouds are located symmetrically with respect to the mid-plane of said stack of sheets.

Abstract: A method for assembling an electric motor (10) having a stator (34) and a rotor (32). It is endeavored to keep the air gap (38) as narrow as possible, in order to achieve good efficiency of the motor (10). However, component tolerances and assembly errors require generous dimensioning in order to avoid possible contact between the stator (34) and the rotor (32). To improve the accuracy of assembly, is proposed, during the insertion into one another of the rotor (32) and the stator (34), a centering aid (40, 42) is introduced into the air gap (38) at at least three points, the rotor (32) and the stator (34) are subsequently fixed in relation to one another and finally the centering aid (40, 42) is pulled out through openings (48) in the motor housing (20, 30).

Abstract: A flexible bar handler comprises a mobile carriage; a lift boom comprising a longitudinal shaft rotatably attached to rotate around a vertical axis of the carriage to swing an end of the shaft back and forth and pivotally attached to pivot around a horizontal axis of the carriage to raise and lower the end of the shaft; and a lift bracket comprising an elongated rail with receptor-shaped cross section to lengthwise accommodate a bar, the lift bracket being attached at a point on its length at a terminal end of the longitudinal shaft opposed to a counter weight attached at an opposite terminal end of the shaft, wherein the lift bracket is pivotally attached to a horizontal pin at the point to permit the lift bracket to tilt to one side or the other so as to raise and lower the lift bracket ends.

Abstract: A method of manufacturing an aluminum rotor and motor incorporating the rotor where after a solvent cleaning step of a rotator body using a chlorine-family solvent, an alkaline degreasing step using an alkaline degreasing agent is executed for cleaning the rotator body, and the rotator body after undergoing the solvent cleaning step is simply immersed in a treatment tank storing an alkaline degreasing agent, whereby the chlorine-family solvent remaining on the rotator body or aluminum chloride produced by the chlorine-family solvent reacting with aluminum material reacts with the alkaline degreasing agent and is removed easily and well.

Abstract: A cylindrical laminated body is prepared by winding into a helical shape a continuous first sheet formed by press-punching from a thin first magnetic steel sheet material. A second sheet having a predetermined length is prepared by press-punching from a thicker second magnetic steel sheet material. Next, chamfered portions are formed on edge portions of second recess portions by chamfering the second sheet. Then, the second sheet is bent into an annular shape and the second sheets bent into the annular shape are stacked on both axial ends of the laminated body and integrated by laser welding.

Abstract: The present invention relates to an auxiliary tool for assembling a scrubber which includes a motor, a shaft rotatably coupled to and extending through the motor, a shaft pin detachably connected to the shaft, and a disk coupled to the shaft and having a notch located relative to the shaft pin at a predetermined angle with respect to a longitudinal axis of the shaft when properly assembled. In specific embodiments, the auxiliary tool comprises a tool body configured to at least partially receive the motor, the shaft pin, the disk, and the notch of the disk. The tool body includes a first recess configured to at least partially receive the shaft pin and a protrusion configured to be at least partially received into the notch of the disk. The first recess and the protrusion are arranged at the predetermined angle to position the notch of the disk and the shaft pin of the scrubber for proper assembly at the predetermined angle with respect to the longitudinal axis of the shaft.

Abstract: The system of the present invention provides a pair of assembly modules for assembling electronic components to a series of printed circuit boards or like substrates. The pair of assembly modules are operatively connected in series, and each module includes a pair of assembly stations operating in parallel within the module. Means are provided to bypass the first assembly module and deliver unpopulated substrates to the second module for processing, while simultaneously bypassing the second assembly module with substrates populated by the first assembly module. In the event that one of the assembly stations of either assembly module is inoperative, it may be bypassed and the assembly of its electronic components redistributed to the remaining, operative assembly stations to optimize the productivity of the system.

Abstract: Wedge guides 12 for holding a wedge 11 are mounted onto a base 10, and a stripper 15 is fixed to the other end of the wedge guide 12. A blade holder 13 including a plurality of blades 16 vertically installed is held in such a manner as to be freely advanceable and retractable in an up-and-down direction. A coil 30 wound is inserted between the blades 16, and alignment tool 7 is inserted at the tip ends of the blades. A stator iron core 40 is inserted into the alignment tool 7, and the stator iron core 40 is moved until the tip ends of the blades 16 penetrate the stator iron core 40. Thereafter, the stator iron core 40 and a connecting rod 19, the other end of which being connected to the blade holder 13, are pushed by a stator pusher 50, whereby the blade holder 13 is also caused to move together with the stator iron core 40 to insert the coil 30 into grooves in the stator iron core 40.

Abstract: Prewound coils are axially drawn into grooves of stators or rotors of electric machines. This is performed by means of a draw-in star, which can be pushed forward through their bores, behind which cover strips (16), made of insulated material, are pushed into the grooves (12) in front of their opening slits in the course of the draw-in process. To prevent the cover strips (16) from being partially pulled out of the grooves (12) when the draw-in star (28) is pulled back, it is provided that the cover strips (16) are supported against a retrograde movement during a defined first section of the return movement of the draw-in star (28), for example in that the pushers remain in their pushed-forward position during the first phase of the return movement of the draw-in star (28).

Abstract: A tool for aligning a stator with respect to a crankshaft of a hybrid vehicle is provided. The tool comprises a central hub, a plurality of alignment members, and an actuating device. The central hub has a mating surface configured to secure the central hub to the crankshaft. The alignment members are configured to engage the stator and are slideably mated with the central hub for movement between a first position and a second position. The actuating device moves the plurality of alignment members between the first and second positions. The second position is further away from the crankshaft than the first position. The stator is moved to an aligned position with respect to the crankshaft when the aligning members are at the second position.

Abstract: A method for assembling an armature of a moving coil type linear motor is provided comprising the steps of mounting a plurality of coils on to a coil alignment block; covering a top surface of the coil alignment block with an upper cover; wiring the coils with each other in a predetermined sequence; assembling an armature frame, a fixing cover and the coil alignment block to fix the coils, covering a bottom surface of the coil alignment block with a lower cover, and applying an epoxy adhesive to thereby fix the coils.

Abstract: A stator assembly for use in an electromechanical machine includes an improved concentric winding arrangement. Groups of concentric coils are alternately inserted from both ends of the stator core. In other words, a first phase group is inserted from one end. The stator core is then rotated 180° for insertion of the second phase group. Next, the stator core is rotated back to its original position for insertion of the third phase group. The alternating process continues until all phase groups have been inserted. Preferably, the winding pattern utilizes a combination of full slots and shared slots, with full slots of different groups of the same phase being adjacent to one another. The invention permits the use of automated winding equipment in large inductions motors where hand insertion was often required in the past.

Abstract: An iron core of a rotating-electric machine and a manufacturing method for the same permit a uniform curvature to be easily obtained over an entire circumference of the iron core. The iron core has laminated magnetic plate strips, a cylindrical core proximal portion, a plurality of teeth projecting in a substantially radial direction from the core proximal portion, and slots for accommodating a winding that are located between the teeth adjacent to each other. The iron core is fabricated by curving both end portions of a substantially hexahedral laminate so that the core proximal portion obtains a predetermined curvature, forming the entire laminate into a cylindrical shape by wrapping it around a cylindrical core member so that distal ends of the teeth project from the core proximal portion, and joining both end portions of the laminate.

Abstract: A stator of a rotary electric machine such as an alternator for use in an automobile vehicle is composed of a cylindrical stator core and a stator winding held in the stator core. The stator winding is formed by electrically connecting plural U-shaped conductor segments inserted into slots of the stator core. Pairs of segment ends to be electrically connected are aligned along two or more coaxial circumferences and correctly positioned by individually restricting each pair of segment ends. Correctly positioned plural pairs are continuously welded one by one by rotating the stator core.

Abstract: The inventive method of assembling conductive segments (16) of a rotor winding or a stator winding in a rotary electric machine comprises the following stages: insertion of the conductive segments (16) into slots made in a core (12) of the rotor or stator, whereby the free ends of the conductive segments protrude beyond the latter, and welding of the free ends of the conductive segments in groups of two in order to form a winding (14) around the rotor or stator. The conductor statements are both made of wire which is electrically conductive and coated with an electrically insulating material. The coating of electrically insulating material is removed in the welding zone of the conductive segments by the means used for welding the latter. The invention can be used for conducting segments of a rotor or stator winding in an alternator in a motor vehicle.

Abstract: A motor assembling apparatus is adapted to magnetize permanent magnets for the field and mount a stator 2 and an armature 3 in the same apparatus. The apparatus comprises a magnetizing unit 24 having an outer magnetizing coil 29 and an inner magnetizing coil 30, a vertically movable stator support 23 for supporting the lower end of the stator 2, an armature holder 25 to the outside of which the stator support 23 can be fitted and a stator keeping jig 22 arranged above the stator support 23. The stator 2 is placed on the stator support 23 and pinched between the stator keeping jig 22 and the stator support 23 to move it vertically and magnetize it by means of the magnetizing unit 24. After magnetizing the permanent magnets, the stator 2 is raised immediately by means of the stator support 23 and fitted to the armature 3.

Abstract: An apparatus and an associated method are utilized to make a rotor core. The apparatus includes a support for supporting a lamina stack that has an axis extending along the stack. The apparatus includes a plurality of collets. A collet moving mechanism moves the collets radially inward against the lamina stack. An arrangement receives casting material that is cast to the lamina stack while the collets are against the lamina stack.

Abstract: Methods and apparatus are presented that improve the efficiency of stator production by connecting stator coil leads to final attachment devices before the coils are inserted into a stator core. After coil insertion, the final attachment devices are merely mounted to the stator receiving the stator core, eliminating most if not all post-coil-insertion lead identification and manipulation processes. The final attachment devices can be terminal receivers that include a plurality of wire sockets for receiving a plurality of coil leads. Coil leads are connected to final attachment devices during the coil winding stage. Such connections add little or no additional time to the winding stage.

Abstract: A device is provided for producing a distributed wave winding. To improve the currently used method for producing a distributed wave winding the device provides for a relative indexing to be carried out between a template and a coil receiver after a first concentric coil group has been transferred from the template to the coil receiver. After this indexing, a further concentric coil group of the same phase, with a connection to the first coil group, is wound on the template and transferred to the coil receiver. The template and coil receiver rotate synchronously during the winding of the further coil group.

Abstract: An electric motor including a permanent-magnet rotor having embedded magnets held in place by several segments. The embedded magnets are secured by segments including non-circular openings near their centers. Several non-magnetic, non-conductive bars extend through the non-circular openings of the segments to secure the segments in relation to the shaft. The motor is capable of producing high torque while only requiring a minimum amount of space.

Abstract: A process for manufacturing a sliding contact piece for medium to high current densities including a step of warm premixing of graphite and plastic binder, a step of cold mixing of the resulting premixture with copper, a step of pressing of the resulting main mixture into the sliding contact piece, and finally a step of sintering of it; and so as to improve the operating characteristics of the sliding contact piece, which is free of any environmentally harmful additives, a metal such as zinc, tin, bismuth or an alloy of such metals is added during the premixing of the graphite and plastic binder.

Abstract: To secure insulation between electrical conductors at a coil end, a first electrical conductor at one coil end is arranged so as to intersect a radially adjacent second electrical conductor at one point or more. The electrical conductor is formed with radial indentations in side faces that are opposite side faces in opposing electrical conductors at any of the intersecting portions, the indentations having depths that increase toward the near end of the electrical conductors. Sufficient clearances are thereby secured between electrical conductors in their intersecting portions near their ends where the insulating films are susceptible to damage because of welding heat. Electrical insulation is thus ensured, and the cooling efficiency at the coil end is improved.

Abstract: An intermediate holding member is inserted between a second free end and a third free end from an inner circumferential side in a radial direction, a first radial restraining member presses against a free end at an innermost circumference from radially inside, and a second radial restraining member presses against a free end at an outermost circumference from radially outside. Next, a voltage is supplied between a torch and the members, an inert gas is supplied to the torch, and an arc discharge is generated between the torch and the free ends, welding the radially-adjacent free ends.

Abstract: A slip ring and a method for manufacturing a slip ring utilizes a first double clad copper laminate with a first side and a second side separated by a first dielectric and a second double clad copper laminate with a third side and a fourth side separated by a second dielectric. Copper is selectively removed from the second and third sides to provide desired patterns in the copper. The second and third sides are joined in a desired orientation. Substantially, all of the copper from a window in the first and fourth sides is removed to expose the first and second dielectrics. A plurality of concentric grooves is machined into the first and second dielectrics from the first and fourth sides and the concentric grooves are metalized to provide a plurality of concentric metalized rings.

Abstract: A sub-fractional Horsepower motor, intended for use with a worm on its output shaft, is positioned adjacent a servo actuator housing with the motor shaft disposed adjacent to and oriented generally parallel to the housing. The housing is provided with a resiliently deflectable rear motor mounting stanchion having a camming surface and a front motor mounting stanchion, both preferably formed integrally as a one-piece member with the housing. Upon assembly into the housing, the motor is maintained in its parallel orientation and moved in a single direction normal to the shaft to contact the camming surfaces, on the rear stanchion and deflects and snap-locks into the stanchion and the rear stanchion biases the motor axially such that the opposite shaft end of the motor registers against one surface of the front stanchion.

Abstract: A process for installing a stator slide under a stator wedge in a radially oriented slot of a stator core assembly includes: a) loading windings in the radial slot, the radial slot having axially extending dovetail grooves in opposing sidewalls thereof; b) loading at least one stator wedge and stator slide in the dovetail grooves of the slot, and tightening the at least one stator wedge with the stator slide; c) loading at least one additional stator wedge in the dovetail grooves; d) locating at least one additional stator wedge slide relatively loosely under the additional stator wedge: and e) using the at least one stator wedge as a force reaction point, applying a force to the additional stator slide to drive the additional stator slide under the additional stator wedge.

Abstract: A mover assembly of a reciprocating motor includes: a mover body disposed at a gap between an inner stator and an outer stator; permanent magnets fixed at an outer circumferential surface of the mover body and reciprocally moved together with the mover body in a direction of an induction magnetic field between the inner stator and the outer stator; and a mixed member made of a fiber and a resin to cover and fix the permanent magnets. The permanent magnets are arranged at an outer circumferential face of the mover body, covered with the mixed member obtained by mixing a fiber and a resin, and hardened to he fixed. Therefore, the permanent magnets can be firmly and easily fixed at the mover body. In addition, by molding the mover body with a non magnetic and non-conductive material, leakage of the magnetic force of the permanent magnets can be prevented.

Abstract: A segmented core for an electric machine includes segments stamped from coated electric steel. The segments each have a first end, a second end, and winding openings. A predetermined number of segments are placed end-to-end to form layers. The layers are stacked such that each of the layers is staggered from adjacent layers by a predetermined rotation angle. The winding openings of each of the layers are in vertical alignment with the winding openings of the adjacent layers. The stack of layers is secured to form the segmented core.

Abstract: A yoke in a motor includes a cylindrical yoke housing having a closed end and two magnets that is located in the yoko housing. The magnets are fixed to the yoke housing with adhesive. The adhesive is applied a at least to each adhering area of the yoke housing that is to be adhered to the corresponding magnet or to an adhering area of the each magnet that is to be adhered to the yoke housing. The adhesive is spread to the adhering areas of the yoke housing and each magnet by sliding the adhering areas on each other. Therefore, the magnets are firmly fixed to the yoke housing with a small amount of adhesive.

Abstract: Methods and apparatus are presented that improve the efficiency of stator production by connecting stator coil leads to final attachment devices before the coils are inserted into a stator core. After coil insertion, the final attachment devices are merely mounted to the stator receiving the stator core, eliminating most if not all post-coil-insertion lead identification and manipulation processes. The final attachment devices can be terminal receivers that include a plurality of is wire sockets for receiving a plurality of coil leads. Coil leads are connected to final attachment devices during the coil winding stage. Such connections add little or no additional time to the winding stage.

Abstract: Arrangement for the insertion of coils in a stator including a moving wire-insertion spider, a plurality of parallel wire-guide blades arranged along the contour of the moving spider, a stack-guide member provided with a plurality of recesses accommodating respective blades which are provided with a groove on their outer surface. The recesses are provided with a rib protruding towards the interior of the respective recess and extending parallel to the longitudinal direction thereof, and are adapted to engage respective grooves when the stack-guide member is inserted within the wire-guide blades. The grooves maybe arranged in pairs on a respective blade and are symmetrical with respect to a vertical plane passing through the axis of the moving spider.

Abstract: Methods and apparatus are presented that improve the efficiency of stator production by connecting stator coil leads to final attachment devices before the coils are inserted into a stator core. After coil insertion, the final attachment devices are merely mounted to the stator receiving the stator core, eliminating most if not all post-coil-insertion lead identification and manipulation processes. The final attachment devices can be terminal receivers that include a plurality of wire sockets for receiving a plurality of coil leads. Coil leads are connected to final attachment devices during the coil winding stage. Such connections add little or no additional time to the winding stage.

Abstract: In order to set a rotating angle in a laminating station to an arbitrary angle, and to perform a high-speed operation while keeping the strength of an angle index head, a laminated core machining apparatus M comprises a press machine 1, a non-uniform motion head 10, an angle index head 7 and a gear system 6. That is, the non-uniform motion head 10 converts a drive of the press machine 1 from a uniform rotation into a non-uniform rotation. The angle index head 7 is connected to the non-uniform motion head 10 via a coupling 20. The gear system 6 is connected to the angle index head 7 while being connected to a rotary driving section of a laminating station 51 of a die 5. In the laminating station 51, an intermittent rotation is made by the angle index head 7, and the rotating angle is arbitrarily set by the combination of four kinds of gears included in the gear system 6. Further, a stop period (section) is provided by the non-uniform motion head 10 before a feed timing of the press machine is completed.

Abstract: Apparatus and methods for reducing the likelihood of damage to wire leads of undulated coils for dynamo-electric machine stators are provided. The invention provides a rotating winding head equipped with a coil former that has a wire gripper and an initial wire lead slot. The gripper retains the initial wire lead. The slot permits the initial wire lead to be fed to the gripper from a stationary wire source. The gripper maintains the initial wire lead in a predetermined plane of the coil and can secure the initial wire lead in the plane in which the final lead wire will eventually be disposed. The gripper also rotates the initial wire lead into radial alignment with a lobe of the undulated coil. Once installed in a stator, the initial and final wire leads can both be disposed along the outer radius of the coil and are thus protected from interference with a rotor that is destined to rotate within the stator.

Abstract: An indexing system for a die assembly for manufacturing a stack of laminae from sheet stock material in a punch press, the stack having a desired stack height and a skew angle, the stock material having a nominal thickness. The indexing system includes indexing means for producing a first indexing input movement in response to movement of the punch press, a motor for producing a second indexing input movement in response to a control signal, and differential means for combining the first and second indexing input movements into an indexing output movement and having first and second input means for respectively receiving the first and second indexing input movements. The first input means is coupled to the indexing means, and the second input means is coupled to the motor. The differential means also has output means for transmitting the indexing output movement; a rotatable choke barrel in which laminae are received and stacked.

Abstract: The object of the present invention is to provide a method and an apparatus for manufacturing a stator to improve accuracy in inserting conductor segments (3, 31, 32) into slots (2). The apparatus according to the present invention comprises a conductor holder (21, 22) holding the conductor segments (3, 31, 32) and an axial-moving-mechanisms (214) moving the conductor holder (21, 22) relative to a stator core (1) in an axial direction. The conductor holder (21, 22) holds straight portions (31b, 31c, 32b, 32c) of the conductor segments (3, 31, 32) to be inserted into the slots (2) from one end of the stator core (1).

Abstract: Radial pressure is applied to a turbine generator armature bar using a simple hand held device that can be readily manipulated by a single human operator. A retainer platform has two wedge shaped portions with handles, and by the operator sliding the wedge shaped portions with respect to each other the operative width of the platform may be adjusted, including to slide and lock the platform in a conventional dovetail slot in a stator. An inflatable bladder is positioned on or mounted to the top surface of the platform and is dimensioned so as to apply radial pressure (for example through a filler) to armature bars mounted in the stator. A conduit, preferably having a valve with quick-release actuator in it, extends from the inflatable bladder and connects to a source of gas under pressure.

Abstract: A motor stator is constructed from loose laminations which are aligned and secured to the compressor housing at the time of assembling the compressor unit. The loose lamination stator is first attached to the compressor housing to initially locate the stator. A solid sizing mandrel is pushed through the rotor accommodating bore to remove any burrs and initially size the bore. An expanding mandrel is then positioned within the rotor accommodating bore and expanded to finalize the sizing of the bore and the alignment with the compressor housing. Once the final size and alignment have been achieved, the stator is secured to the motor housing.

Abstract: An apparatus is provided to assist a user in aligning and sizing a plurality of spaced-apart channels to be formed in a cleat connected to a power generator housing so as to secure a plurality of leads extending from a power generator through the housing. The apparatus includes a main member to which secondary members removably and movingly connect to align with the leads. Channel sizers connect to the secondary members to register the diameter of each lead. The apparatus first aligns with and registers the diameter of each lead and is then positioned adjacent the housing to assist the user in correctly spacing and forming holes in a support structure such as a cleat. Related methods are also provided for aligning and sizing channels to be formed in a cleat or other support structure to secure the leads extending from the power generator through the housing.

Abstract: A method and apparatus for progressively cutting, piercing, bending, stacking, and interlocking lamination assemblies from a strip of laminate. The stacked laminations are mechanically interlocked with a staple-style interlock that secures all the laminations in the stack together. All the steps in the process of forming, stacking and interlocking are done within the tool and die assembly, eliminating the need for additional equipment to stack and interlock assemblies.

Abstract: A winding on a stator of a rotary electric machine is constructed by welding end portions of a plurality of segments. A plurality of pairs arranged on an end of the stator are welded by a welder. In a welding stage, the pairs are held by a plurality of insertion rods of a circumferential side holding tool. The insertion rods are radially disposed. The insertion rods are movable in a radial direction. The insertion rods are moved back toward a radial outside to release a holding of the pairs after ball-shaped welding marks are formed. Holding is released without damage on the welding mark.

Abstract: In order to realize thinned armatures, a winder which winds coils at a high density while restricting coil ends within a restricted space is provided. An armature coil winder for winding coils in an armature core assembly having a plurality of slots in an outer circumference thereof comprising a winding former equipped with a fixed former which guides a coil into two slots and a movable former which restricts a position of a coil end between the slots by moving in the fixed former along both end surfaces of an armature core toward a center thereof, a former slider which shifts the movable former to a specified position, and coil shaping mechanism which is disposed at location other than that of the former slider and equipped with coil shaping blades functioning to shape the coil in the slots, thereby making it possible to wind coils at a high density by effectively utilizing winding spaces.