Abstract: In a machine for winding and inserting coils of the type wherein a flier is rotated so as to wind the conductor drawn from the flier around two blades of an insertion tooling and an auxiliary plate located radially outwardly of said two blades and spaced apart therefrom by a predetermined distance, thereby forming a coil which is directly inserted together with a wedge into slots of a magnetic core of a rotary electric machine, an improvement wherein the blades with wedge guides which form the insertion tooling are divided into alternating main and auxiliary blades equiangularly spaced apart from each other, the auxiliary blades being axially movable relative to said main blades in such a way that when the conductor is wound around a bobbin formed by two of the main blades and an auxiliary plate, the auxiliary blades are retracted away from the main blades, but when the wound coils are inserted into the slots of the magnetic core, the auxiliary blades are raised to align with the main blades, thus forming the

Abstract: A method for fabricating stator assemblies of electrical machines and an apparatus suitable for carrying the method into practice, wherein a plurality of transfer tools receiving wound coils and inserting the coils into stator cores are transported by conveyors in two identical closed paths arranged symmetrically. Located along each closed path are a plurality of main coil winding devices for winding main coils and transferring them to the transfer tools, a plurality of auxiliary coil winding devices for winding auxiliary coils and transferring these coils to the transfer tools, and a transfer tool indexing device interposed between the main coil winding devices and the auxiliary coil winding devices for indexing the auxiliary coils with the main coils. A drawing-in device common to the two closed paths simultaneously draws the main and auxiliary coils on each transfer tool into stator grooves.

Abstract: A preprogrammed microprocessor controlled apparatus for controlling automatic wire crimping equipment. The equipment disclosed is adapted to perform, in automatic sequence, a plurality of wire crimping steps on a dynamoelectric machine such as a motor. A wide variety of crimp height settings is selectively inserted by the equipment operator to achieve optimum crimp height for each crimp step to be performed. The crimp height setting mechanism includes an eccentric cam positioned by means of a pulse operated stepper motor with correct positioning indicated by a feed back pulse train from the cam shaft position encoder which pulse train is compared with the input information established by the equipment operator. Automatic and semi-automatic sequencing modes of operation are provided as determined by input selections established by the equipment operator.

Abstract: The invention relates to a device and a method for the insertion of pre-wound coils into the slots of a stator of a rotary electric machine. The device comprises a cylindrical finger holder having on its periphery an annular series of longitudinal grooves, housing a series of fingers which extend beyond one end of the finger holder to receive the pre-wound coils. At the other end of the cylindrical finger holder opposite that from which the fingers extend is an end portion which is insertable into a stator and is provided with reference means for determining the correct angular orientation of the finger holder and the fingers with respect to the stator slots when the said other end portion of the finger holder is inserted into the interior of a stator.

Abstract: A releasable clamp holds a stator with a closed end turn while a resilient plug, covered with a rigid smooth walled sleeve, is inserted through the central opening of the stator to spread the winding at the closed end turn. The sleeve is then withindrawn, the stator is unclamped, and the plug is compressed to further speed the windings at the closed end, after which the plug is removed.

Abstract: A method of utilizing a coil injection tool pack, also referred to as coil injection tooling, is disclosed. The method involves placing a tool pack in winding turn receiving relationship with coil winding apparatus having a tool pack nest. The tool pack is moved laterally, relative to the longitudinal extent of the elongate elements, toward the tool pack nest at the winding station. Thereafter, mutual alignment of the tool pack and tool pack nest is assured, and the base of the tool pack is clamped against a tool pack retainer means. Dynamoelectric machine windings are then draped on the tooling pack and subsequently, the tool pack is released and transported to a tool pack nest on a coil injection machine power unit. The tool pack then is clamped on the power unit, a core is placed on the tool pack, and winding turns previously disposed on the tool pack are axially injected into the stator core.

Abstract: Methods and apparatus are disclosed for relatively positioning coils within winding coil groups for a magnetic core to facilitate insertion of the coil group into axially extending slots of the magnetic core of a stator assembly.One method that is disclosed involves intercepting the end turn portion of a first relatively large coil having a lateral position outward relative to the end turn portion of a second relatively smaller coil with yieldable means as the coils are moved toward a magnetic core for subsequent insertion of the first and second coils into respective axially extending slots of the magnetic core. The arrangement of the first coil end turns inside of the second coil reduces the interengagement pressure between the first coil and the second coil normally occurring during the insertion of the coils into their respective slots of the magnetic core.Apparatus is illustrated for inserting one or more windings into a magnetic core of a stator assembly.

Abstract: A preferred method proceeds with coil injection equipment having phase windings confined by axially extending gaps defined by the equipment tooling; positioning insulation retaining and shedding means within the tooling; and draping phase insulation with legs in some of the gaps. When the legs are ribbon type, the legs are twisted, i.e., angularly oriented so that they will enter core slots in edgewise fashion. The sheet-like end turn insulating portions are confined so that at least portions thereof establish a cylinder within the tooling. At least part of one leg is moved into a core slot by moving the core axially onto the tooling. After seating and clamping the core, the coil injection equipment is actuated, the phase insulation is shed into slots of the core, and windings are axially placed on the core. Preferred apparatus has a main drive rod that undergoes an initial increment of travel without corresponding movement of a wire stripper because of a lost motion connection.

Abstract: Method and apparatus for sequentially winding a plurality of windings on a winding form and for transferring the windings sequentially from the winding form to a collecting tool such that the plurality of windings are disposed on a collecting tool for subsequent collection axially through an aperture of a stator sheet packet positioned in adjacency with said collecting tool. In accordance with the invention, during the transition from winding one winding on the form and winding the next winding on the form, the winding wire is held clamped at a point within the peripheral region of the windings disposed on the collecting tool to be drawn through the aperture during subsequent collection.

Abstract: Apparatus for forming a stator for a dynamoelectric machine by inserting prewound coils into a slotted stator core includes enlarging the slot openings or gap between certain adjacent pairs of stator teeth, placing the prewound stator windings in selected stator core slots and thereafter reducing the slot opening or gap between those certain adjacent pairs of teeth. The disclosed apparatus includes a stator bore support and a series of punches to be placed in stator slots and collapsed radially inwardly to bend the stator teeth tips to conform to the bore support. An otherwise conventional coil inserting or injecting machine has unique blades, each of which has a pair of elongated depressions for accepting the respective formed stator teeth tips, and a pair of ribs outside the depression for spanning the corresponding tooth.

Abstract: Apparatus for collecting windings in a stator or the like includes a collecting tool having collecting lamellae disposed in a ring, an aligning star piece, and means for moving the aligning star piece from a retracted position to an alignment position between the lamellae. The apparatus also includes means for moving a stator sheet packet having an aperture therethrough into position with the aperture adjacent the free ends of the lamellae. In accordance with the invention, the apparatus includes means for moving the aligning star piece from its retracted position through the aperture in the sheet packet and then into its alignment position to align the stator sheet packet and the ring of lamellae. The apparatus has many advantages over conventional devices in which the aligning star piece is first aligned with the ring of lamellae and in which the stator sheet packet is subsequently applied and aligned.

Abstract: A small inexpensive electric motor construction includes a housing with an axially extending wall having twelve (12) equally circumaxially spaced tabs projecting axially at its free edge. A cylindrical stator assembly is disposed within the axially extending wall and has its peripheral surface lying adjacent and radially within the tabs. A rotor shaft is supported by the housing and projects axially within the axially extending wall. The stator assembly is concentric with the shaft and may vary within a range from a concentric condition to a predetermined maximum condition of eccentricity relative to the axially extending wall. The tabs are deformed so as to expand radially into binding engagement with the peripheral surface of the stator assembly and secure the stator assembly within the housing wall irrespective of the concentricity and/or eccentricity within the predetermined maximum condition of eccentricity.

Abstract: The stator of a linear motor is assembled by separately assembling the windings as a uniform configuration, using a dummy to place cables into requisite positions and tieing the resulting coil ends together by end elements. The dummy is of an endless belt variety and is used to assemble the stator winding configuration in endless type fashion. The resulting assembly is placed into the stator core or cores which have been placed along the contemplated track part along which the motor is to move a vehicle or the like, carrying the armature of the motor.

Abstract: The hereinproposed winding machine for the manufacture of the armature winding of electrical machines comprises a device for holding the armature core in place and a mechanism for placing the winding conductor in the armature slots, actuated by air or oil cylinders of reciprocating drives; said conductor installing mechanism is made up of two moving heads, each being arranged coaxially at the butt ends of the armature core and adapted to perform reciprocating motion in respect to said armature core when actuated by the air or oil cylinder common for both the heads; each of said heads has a shell with an annular redical groove on the side facing said armature core, said groove accommodating a set of levers with a rounded front working part for installing the conductor in the armature slots; said levers are positioned in respect to the slots of said armature core by means of a bush moving within the central bore of said shell and embracing a shaft of an oscillatory motion drive; the front part of said bush has

Abstract: Methods and apparatus are disclosed for producing dynamoelectric machine coil groups or winding poles. A clamp device, relatively axially movable coil form and turn receiver, and relatively rotatable flyer are used, and interpole wire segments are established by intercepting, at a fixed location, a segment of wire extending between the form and flyer prior to complete cessation of relative rotation between the same.Intercoil winding segments are also accurately established. For example, an intercoil winding segment is deflected out of the winding plane and in a direction toward a subsequent winding form stage during the development of the last turn of a coil developed on the previous winding stage. Deflection of the intercoil winding segment is preferably accomplished substantially concurrently with advancement of the winding form relative to the turn receiver.

Abstract: Methods and apparatus are disclosed for fabricating dynamoelectric machine stator assemblies in which end turns of the different windings are separated by winding end turn insulation. In one disclosed method, a plurality of phase insulators are deformed and constrained in a substantially cylindrical configuration and moved axially into a stator core bore. The phase insulators are moved radially outward of the substantially cylindrical configuration with connectors of the insulators moving into predetermined slots of the core. In one disclosed apparatus, a substantially cylindrical arbor is provided with longitudinally extending grooves therein for positioning and accommodating connectors of the phase insulators. The phase insulators are deformed about a peripheral surface of the arbor and then retained adjacent thereto during insertion of the arbor into the bore of a core. The connectors are aligned and moved from the arbor grooves into predetermined core slots.

Abstract: Methods and apparatus are disclosed for accommodating at least one winding comprising at least one coil and a stator assembly including a magnetic core having axially extending insulated slots. One method involves confining a portion of leading end turns of the at least one coil and axially inserting side turns of the at least one coil into respective slots of the magnetic core by moving the confined portion of the leading end turns axially through a bore of the magnetic core and by moving transitional segments of the leading end turns axially along their respective slot entrances communicating with the bore. The method further includes guiding the side turns, which hang freely and trail the confined portion of the leading end turns, into their respective slots by displacing the side turns toward the bore prior to their entry into their respective slots.

Abstract: The invention relates to apparatus for installing stator coils in an electric motor of the type in which the coil grooves are each lined with groove insulation which projects beyond the end of a stator in the form of turned over collars. In the prior art these collars tend to interfere with or obstruct the installation of coil strands and cover strips for the coil grooves. Rod elements used for installing the coil groove cover strips are formed to extend between and splay apart adjacent insulation collar portions to minimize this interference tendency.

Abstract: A method of manufacturing stators of electrical machines and the like which includes the steps of transporting a plurality of coil inserting jigs by a transporting arrangement for circulating through a transporting path, with the coil inserting jigs receiving coils prepared by winding, and inserting the coils into a stator core, conducting a winding process, an insulating material inserting step for the coil inserting jigs, a coil inserting step for the stator core and an insulating material inserting step for the stator core along the transporting path, and branching and collecting the coil inserting jigs by the transporting arrangement for simultaneously carrying out the coil winding at a plurality of places. An apparatus is also disclosed for efficiently carrying out the above method.

Abstract: Method and apparatus for forming a stator for a dynamoelectric machine by inserting prewound coils into a slotted stator core includes enlarging the slot openings or gap between certain adjacent pairs of stator teeth, placing the prewound stator windings in selected stator core slots and thereafter reducing the slot opening or gap between those certain adjacent pairs of teeth. The disclosure apparatus includes a stator bore support and a series of punches to be placed in stator slots and collapsed radially inwardly to bend the stator teeth tips to conform to the bore support. An otherwise conventional coil inserting or injecting machine has unique blades, each of which has a pair of elongated depressions for accepting the respective formed stator teeth tips, and a pair of ribs outside the depression for spanning the corresponding tooth.

Abstract: Permanent insulators made from known insulator material (e.g., polyethylene terephalate) are used in lieu of temporary fiber wedges, even though such wedges are not axially centered in core slots, without requiring the performance of manual labor in order to axially reposition the "final" wedges along the core slots. By use of one preferred form of a disclosed apparatus, previously positioned wedges are repositioned axially along core slots automatically and generally contemporaneously with the performance of some other necessary manufacturing process to avoid the expenditure of additional incremental time associated with such repositioning step. Equipment usable for other preselected manufacturing operations may be used in the automated practice of the invention. In one specific exemplification, previously positioned wedges are repositioned along core slots during a previously known wire moving, wire shaping, or wedge setting operation.

Abstract: A fast set up tooling arrangement for a coil placing machine is disclosed wherein the finger elements or blades which support coils as well as a magnetic core into which the coils are to be placed, as well as the reciprocable ram actuated stripper which is movable along those finger elements to engage and move coils into the magnetic core are readily adjustable axially of the machine to accommodate changes in the height of the magnetic core or stack. The arms which grip the core and the length of insulating wedges to be placed in the core may also be adjustable. The axial extent of the finger elements or tooling blades as well as the axial distance traveled by the stripper are simultaneously adjusted by imparting a relative rotary motion between the stripper and finger elements on the one hand and a finger support shaft and stripper actuating ram on the other hand with the respective rotated and fixed elements being threadingly interconnected.

Abstract: A method and apparatus are provided for replacing a commutator on a starter armature in which radially extending, circumferentially spaced commutator contact wires are interspaced between and soldered to mating contact wires on the armature. A heated platen includes at least one receiving hole through which the commutator is placed so that the soldered connection between the commutator and armature contact wires rests against the platen to thereby melt and remove the solder. The commutator is secured in a chuck while the armature is driven away from the stationary commutator. Thereafter, a novel tool spreads the rotor contact wires radially outwardly which permits a subsequent and new commutator to be positioned over the armature shaft so that the new commutator contact wires are interspaced between the armature contact wires. The contact wires between the new commutator and the armature are then soldered together by dipping the assembly into a solder pot heated by the platen.

Abstract: An injection shuttle system is disclosed for fabricating stator core assemblies. Injection tooling and a stator core are selected and positioned on a shuttle means at a selection station for moving to coil loading stations and a transfer station. The injection tooling is positioned, aligned and manipulated relative to a winding machine at each coil loading station for disposing winding turns thereon. At the transfer station, the injection tooling is transferred to a wedge guide housing of a turntable arrangement which includes wedge making and injection stations. A stator height adjustment arrangement is provided for adjusting the wedge making and injection stations in accordance with the axial length of the core. The injection tooling is moved or indexed to the wedge making stations where insulating wedges are fabricated and inserted into wedge guides of the wedge guide housing.

Abstract: Method of making at least two different electrical interconnections with at least two wires extending from windings supported on a dynamoelectric machine core. The method includes moving the core, windings, and at least two wires toward a wire connecting device; orienting and positioning a first one of the at least two wires relative to the device; and thereby conditioning the device to establish a first one of at least two different connection configurations. A first electrical interconnection involving a first wire and having a first connection configuration is formed. A second winding lead then is oriented and positioned relative to the device, thereby to condition the device to form an interconnection having a second connection configuration, and such interconnection is made. Indicia that indicate the relative orientation of the stator assembly (or parts thereof) are utilized to condition the device to establish connections of desired different configurations.

Abstract: Coil winding apparatus includes wire tap pulling needles with the needles for pulling taps on each side of the bobbin mounted on separate mounting plates with a quick change cam mechanism and springs for spacing the plates and thus the needles to accommodate coil bobbins of different sizes with terminals at different spacings. The apparatus also includes wire feed means for clamping the wire between the winding flyers and the wire supply rolls to advance the wire at a rate greater than required by the flyer to make a winding to provide slack in the wire just prior to retraction of the tap pull needles so that the wire does not break or stretch during the tap pulling sequence.

Abstract: An apparatus for forming electrical coil bars used in dynamoelectric machines of any size and cone angle. The apparatus includes at least one rotatable frusto-conical shaped member whose major diameter, minor diameter, and cone angle are adjustable to form coils for any sized dynamoelectric machine. By guiding an end portion of an electrical coil bar against the conical surface in a spiral configuration about the conical member's axis of rotation, the electrical coil bars may be caused to lie along a frusto-conical surface when assembled in the dynamoelectric machines. The frusto-conically shaped member has a plurality of radially extendible struts at one axial end thereof, a plurality of radially directed support members at the other axial end thereof, and a plurality of shaping ribs extending between the struts and support members.

Abstract: An apparatus for shaping end turn portions of dynamoelectric machine coil bars. An end portion of an electrical coil bar is bent at a selected angle to a straight portion of the electrical coil bar. The bent, end portion of the coil bar is caused to lie along a frustoconical surface having an axis of rotation extending substantially parallel to the straight portion of the coil bar. A rotatable member whose axis of rotation is mounted perpendicularly to the frustoconical surface at a selected distance from the straight coil bar portion has an opening therethrough for guiding the coil bar's end portion in a spiral configuration on the frustoconical surface when that surface is rotated about its axis through a predetermined angular displacement.

Abstract: A method of manufacturing a dynamo electric machine stator assembly of the kind which includes a hollow cylindrical yoke defining internally a plurality of poles, and a sinusoidal field winding extending around the poles. The method includes the steps of inserting a reduced diameter winding into the yoke with the axial portions of the winding aligned with the spaces between the adjacent pairs of poles. The winding is then expanded radially to engage the axial portions between the respective poles and finally the winding is secured in position by subjecting the winding to a compressive loading in an axial direction.

Abstract: A laminated core manufacture wherein a plurality of apertured laminations are provided with projections formed from the portion of the sheet from which the apertures are formed to define an interlocked laminated stack. The first of the laminations is provided with a through aperture with the projection being eliminated so as to define a nonprojecting surface in the first of the laminations of the stack, with the projections of each of the subsequent laminations extending into and being interlocked with the preceding lamination in the aperture thereof. The punching apparatus for providing the apertures and projections is selectively operated to define either the formed aperture and projection structure or a blanked out apertured structure. The blanked out apertured structure defines the first of the laminations of the stack.

Abstract: A stator press including a coil forming device and a coil former, the coil forming device having a plurality of blades arranged to be inserted into the slots of a prewound stator and moved radially outwardly, each blade being independently moved by a separate hydraulic piston and cylinder assembly, the hydraulic piston and cylinder assemblies being connected to a common source of hydraulic fluid for simultaneous movement, the radial movement of the blades seating the coils in the slots of the stator to make room for more coils. The coil forming device being supported on a press which includes a coil former to bend the loops of the coils outwardly away from the opening in the stator.

Abstract: Methods and apparatus are disclosed for fabricating dynamoelectric machine magnetic stator assemblies. Coil injection tooling or tool pack is moved into an alignment position at a winding station where it is manipulated to dispose winding turns directly on the tool pack. The tool pack with winding turns thereon and a magnetic core are moved to a loading station where both are positioned and aligned on a transporting device. A conditioning arrangement adjusts the transporting device and simultaneously adjusts an injection machine for the particular stator core height. The transporting device is then moved and aligned at an injection station where the injection tooling is transferred from the transporting device to a coil injection machine.

Abstract: Method is disclosed whereby permanent insulators made from known insulator material (e.g., polyethylene terephalate) are used in lieu of temporary fiber wedges, even though such wedges are not axially centered in core slots, without requiring the performance of manual labor in order to axially reposition the "final" wedges along the core slots. Previously positioned wedges are repositioned axially along core slots automatically and generally contemporaneously with the performance of some other necessary manufacturing process to avoid the expenditure of additional incremental time associated with such repositioning step. Equipment useable for other preselected manufacturing operations may be used in the automated practice of the method. In one specific exemplification, previously positioned wedges are repositioned along core slots during a previously known wire moving, wire shaping, or wedge setting operation.

Abstract: A machine for inserting displation type terminals in strip form into cavities in a coil bobbin or the like comprises first and second slide assemblies in parallel side-by-side relationship. The strip of terminals is fed towards the insertion zone of the apparatus by a feeding means which is actuated during movement of the first slide member along its working stroke. A shearing means for shearing terminals from the strip is also actuated by the first slide member and this shearing means serves to place the sheared terminals in front of insertion members carried by the second slide member. Finally, during the working stroke of the first slide member, the insertion punches move relative to the second slide towards the insertion zone to advance the sheared terminals in a guide tube on the second slide member.

Abstract: In short stroke dynamoelectric machine coil and wedge inserting apparatus wherein a plurality of elongated blade elements are detachably retained upon respective wedge guide members for adjustment of the blade elements to accommodate stator core members of different lengths, a longitudinally extending surface portion of each blade element adapted for abutting engagement with a respective wedge guide member has at least one opening formed therein extending obliquely at a predetermined angle relative to the longitudinal axis of the blade element to frictionally receive one end of a retaining pin. Each wedge guide member is provided with a plurality of longitudinally spaced and aligned apertures extending obliquely at the same predetermined angle relative to the longitudinal axis of the wedge guide member to selectively receive with a slip fit the end of a retaining pin projecting from the obliquely extending opening of a respective blade element.

Abstract: An insulating barrier means and method of assembly between starting and running windings in a stator core includes insulating pegs between the windings having oppositely disposed axial projections extending beyond the outer axial ends of the stator core, and a plurality of end turn insulating separators each having a pair of transverse sections oppositely disposed at axial ends of the core interconnected by a plurality of legs disposed within predetermined stator slots and particularly between the starting and running windings adjacent to the insulating pegs with the pegs and separators overlapping for complete electrical insulation between the first and second windings. The method of construction includes the use of a coil transfer apparatus having a movable stripper which operates to simultaneously transfer the end turn insulators and the starting coils into the stator slots, preferably through the use of a plastic circular guide element.

Abstract: Method and apparatus for connecting stator coil lead wires to terminal connection means mounted on a 2-pole stator core at a coil winding station. Also disclosed is an improved lead loop hook assembly.

Abstract: An armature includes a shaft which supports a slotted core and a commutator having peripherally spaced hook-like tangs. The armature is automatically wound on a flyer-type winding machine which incorporates a novel lead forming and connecting mechanism. The mechanism includes a set of finger members each adapted to hook a lead wire extending from a wire coil to a rotating flyer after the winding of the last wire turn for the coil. Each finger member is then rotated approximately 180.degree. for twisting the wire to form a twisted wire loop which is transferred from the finger member to a predetermined tang, forming an alpha-type connection of the lead wire with the tang. A movable wire gripping member is associated with the finger members to control when each lead wire loop is released from a finger member for transfer to a tang, thereby controlling the slack within each lead wire.

Abstract: Disclosed is the apparatus and method for depositing a winding of varying depth along the teeth of a stator. The necessity for complex motion of the winding head is avoided by moving the head in conventional reciprocating fashion and then introducing winding turn distributing elements from outboard of the stator. The distributing elements are moved radially inward between the path of the wire-dispensing component of the winding head and the end faces of the stator tooth receiving the winding. The distributing elements are moved in a series of reciprocating strokes of decreasing length as the winding head moves through its winding path, thereby distributing the windings in increasing depth toward the base of the stator tooth receiving the winding.

Abstract: One disclosed method includes positioning a stator assembly at a first station in a desired relationship to a wedge setting device and winding shaping mechanism; holding the stator assembly in the desired relative position (e.g. by clamping means); substantially simultaneously setting the wedges and shaping winding end turns along at least one end or side of the stator assembly; and then removing the stator assembly from the first station. The wedge setting device includes a number of outwardly movable wedge setting blades; and the winding shaping mechanism includes one or more winding pressing surfaces that are driven by camming elements which are actuated during movement of the blades. In specific apparatus, the camming elements take the form of cam surfaces which are carried by a plurality of the blades; and when a single driving member actuates the blades, the blades themselves power (through the cam surfaces) the winding shaping mechanism.

Abstract: Method of and apparatus for electrical interconnections wherein the interconnections comprise a crimped splice connector folded upon at least one magnet wire segment, at least one filler wire segment, and at least one other wire segment including the step of and means for ensuring that the filler wire segment is devoid of major bends along its length.

Abstract: A winding insertion device for axially inserting the windings of a dynamoelectric machine is provided with a pair of blade holders axially aligned with respect to one another. A first set of blades is attached to one of the blade holders, and a second set of blades is attached to the second blade holder. Individual ones of the first and second blade sets are arranged alternately with respect to one another, and the blades define an annular array when viewed in plan. Means are provided for moving the first and second blade holders relative to each other in a reciprocal movement pattern during winding insertion, with consequent movement of the respective blade sets. Because of the relative blade holder movement, the actual distance of movement required for individual ones of the first and second blade sets is small. Consequently, the insertion device is compatible with a wide range of stator assembly stack heights constructed from laminations having a variety of slot configurations.

Abstract: Armature windings for commutator type dynamo-electric machines. The specification discloses a method, device and machine for enabling inter-coil lead wires to be reliably placed in and retained temporarily in a connection slot at the connection end of the relevant commutator bar by carrying a lead wire from one armature coil through that slot and along the commutator surface, looping the wire around the shaft at the end of the commutator, carrying the wire back along the commutator surface and through the slot, and leading it to the next armature core slot ready for the winding of the next coil.

Abstract: Method of making at least two different electrical interconnections with at least two wires extending from windings supported on a dynamoelectric machine core. The method includes moving the core, windings, and at least two wires toward a wire connecting device; orienting and positioning a first one of the at least two wires relative to the device; and thereby conditioning the device to establish a first one of at least two different connection configurations. A first electrical interconnection involving a first wire and having a first connection configuration is formed. A second winding lead then is oriented and positioned relative to the device, thereby to condition the device to form an interconnection having a second connection configuration, and such interconnection is made.

Abstract: The production of electrical machines and more specifically to assembling the stator of a slotless electrical machine. The essence consists in splitting the process of assembling the slotless stator of an electrical machine into such production operations and in fulfilling these operations in such succession that it is possible to create an active distributed layer from separate coil groups beyond the yoke of the slotless stator being assembled and then to transfer simultaneously all coil groups of the assembled active distributed layer onto the surface of said yoke.

Abstract: This invention relates to apparatus for inserting prewound coils into the slots of a stator or of a field carrying member of a dynamoelectric device wherein pinching the coils during the insertion stage is reduced and wherein damage to the lamellae of the apparatus is substantially reduced.

Abstract: An automatic armature production line comprising an assembling machine by which the component parts of an armature core assembly are assembled, a bank of armature winding machines by which the armatures are wound, a welding machine by which the wire leads connecting successively wound coils are physically and electrically connected to the terminals of the commutator, a testing station at which the completed armatures are tested for electrical continuity, and a transfer system by which the armature core assemblies and then the wound armatures are quickly moved from one work station to another, the transfer system comprising a plurality of identical cylindrical carriers that have axial cavities into which the armature core assemblies and the wound armatures are inserted and which roll along downwardly inclined tracks that lead from station to station, and which carriers have a flat surface spaced from their axes of rotation to coact with flat surfaced guides at the different work stations to hold the carriers i

Abstract: Disclosed method includes positioning a stator assembly at a first station in a desired relationship to a wedge setting device and winding shaping mechanism; holding the stator assembly in the desired relative position (e.g. by clamping means); substantially simultaneously setting the wedges and shaping winding end turns along at least one end or side of the stator assembly; and then removing the stator assembly from the first station. The wedge setting device includes a number of outwardly movable wedge setting blades; and the winding shaping mechanism includes one or more winding pressing surfaces that are driven by camming elements which are actuated during movement of the blades. In specific apparatus, the camming elements take the form of cam surfaces which are carried by a plurality of the blades; and when a single driving member actuates the blades the blades themselves power (through the cam surfaces) the winding shaping mechanism.

Abstract: Method of making at least two different electrical interconnections with at least two wires extending from windings supported on a dynamoelectric machine core. The method includes moving the core, windings, and at least two wires toward a wire connecting device; orienting and positioning a first one of the at least two wires relative to the device; and thereby conditioning the device to establish a first one of at least two different connection configurations. A first electrical interconnection involving a first wire and having a first connection configuration is formed. A second winding lead then is oriented and positioned relative to the device, thereby to condition the device to form an interconnection having a second connection configuration, and such interconnection is made. Indicia that indicate the relative orientation of the stator assembly (or parts thereof) are utilized to condition the device to establish connections of desired different configurations.