CN101908794B - Method and device for sticking end face commutator assembly of motor - Google Patents
Method and device for sticking end face commutator assembly of motor Download PDFInfo
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- CN101908794B CN101908794B CN2010102600365A CN201010260036A CN101908794B CN 101908794 B CN101908794 B CN 101908794B CN 2010102600365 A CN2010102600365 A CN 2010102600365A CN 201010260036 A CN201010260036 A CN 201010260036A CN 101908794 B CN101908794 B CN 101908794B
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Abstract
The invention discloses a method and a device for sticking an end face commutator assembly of a motor. The device consists of a positioning part, an upper tension part and a lower compaction part, wherein the positioning part is used as a connection carrier to connect the upper tension part and the lower compaction part. A technical method of two-level clamping is implemented by using the device and comprises the following steps of: clamping the commutator and a shell, reversely pushing a clamping iron core assembly and the shell, and sticking the commutator assembly in the shell to form a casing stator. Compared with the prior art, the method and device realize a technique for sticking the commutator assembly and the shell on an inner end surface and an inner circle of the shell, which cannot be intuitively seen by using a convenient method, ensure the sticking verticality and coaxiality, the axial size precision and the encapsulation insulation, and meet the requirements on new product development and production.
Description
Technical field
The invention belongs to product assembling forming technique, the method and the device of particularly a kind of New-type electric machine end face commutator assembly and case bonding.
Background technology
Common engine commutator all is an one chip, is directly to insert under the iron core through its afterbody needle-like rod member to locate in the wire casing.And certain new product is required by its performance and function; Product structure design is: the iron core member that iron core and line bag form is drawn some leads from an end; These some leads and the whole commutator (Fig. 1) with corresponding some quantity curved pawl fuse through spot welding one to one; Form the commutator assembly (Fig. 2) that a commutator is positioned at the iron core member end face, commutator assembly and housing pass through the bonding of inner face and interior circle again, thereby finally form the casing stator.
By designing requirement, as shown in Figure 3, the bonding of this commutator assembly and housing must satisfy: 1. several sheets of commutator and housing end face are fitted fully, and be bonding firm, is unlikely to ftracture with requirement of the end face accuracy of form and position and the following process that satisfies after bonding; 2. in the iron core member the one-sided iron core end face that grows line bag outline circle 0.2mm of iron core cylindrical must connect with the step not-go-end face in the housing internal circular surfaces flat, to satisfy commutator brush pressure request; 3. the bag end face that rolls off the production line of commutator assembly must be lower than housing big opening end face 0.2mm, to guarantee the embedding insulation property.
Because commutator belongs to wall buckling spare, elasticity is bigger, and it is the concave spherical surface shape by bonding plane through the welding back.With the bonding case material of this commutator be fe-Ni soft magnetic alloy 1J50, characteristic is very soft, and housing is only had 1.7mm by the abutting edge wall thickness.Both impel it to be easy to distortion at bonding process from material and structure two aspects.If directly that both are bonding, then be difficult to satisfy simultaneously above-mentioned 1. 2. 3. designing requirement according to conventional method.Reason is: the overall height dimension after commutator and the iron core member welding is not sure of; No matter select still iron core member end face location, commutator end face location for use; The capital causes wherein another place not contact or virtual connection is touched; The result is or is fail to stick, or is bonding under the part stress deformation state, and this will cause hidden danger of quality for subsequent applications.And 2. above-mentioned requirements be in the internal structure that can't see, so how to select positioning reference plane, takes which type of technique for sticking method to become the key technology that must capture.
Summary of the invention
The object of the invention: design provides a kind of end face commutator assembly bonding process and device on housing that be used for; Guarantee bonding perpendicularity, axiality and axial dimension precision; And the not-go-end face connects flat in the iron core end face of iron core member and the housing; The peak of the outer naked wire bag end face of bonding back iron core member is lower than housing big opening end face, guarantees the embedding insulation property.
Technical scheme of the present invention is: the adhering device that designs a kind of end face commutator assembly of motor; This apparatus structure is made up of three parts: localization part, last tension section and following pressing section; With the localization part is to be connected carrier; Tension section and following pressing section make adhering device form an integral body in application process in the connection;
Localization part is made up of commutator assembly locating shaft 7, housing locating shaft 11 and backing plate 17; Commutator assembly locating shaft and housing locating shaft are that interference fits and 3 places of hole and the axle of Φ d are uniformly distributed with screw 8 and are connected to form the coaxial positioning assembly through diameter; Diameter be Φ D the axle with commutator assembly in iron core endoporus matched in clearance, diameter be Φ d the axle with housing centre bore matched in clearance; Φ D and Φ d axiality guarantee the axiality of commutator assembly and housing less than 0.01mm; Backing plate 17 is put in the localization part upper surface, location commutator inner face; Backing plate 17 is placed on the commutator assembly locating shaft of back formation on the end face to overall height H
The locationShould be higher than the commutator assembly height H after the welding
Theoretical(Fig. 4) about 0.5mm locatees to satisfy the commutator inner face fully, and upper thread bag end face and the backing plate 5 end faces 0.5mm gap of having an appointment is in virtual connection and touches state under the commutator assembly.
Last tension section is made up of stretching screw 1, protruding spherical washer 2, concave ball shape pad 3, backing plate 4; The housing locating shaft of stretching screw and localization part is with being threaded; Protruding spherical washer 2, concave ball shape pad 3, backing plate 4 pads play the effect of protection part at stretching screw with between by bonding housing;
Following pressing section is made up of following push plate 9, stiffener 6, four supporting legs 10 and limiting plate 5.Following push plate, stiffener, four supporting legs form and press down assembly, and justify in footpath etc. in the annular groove in the center circle diameter of four supporting legs and the commutator assembly locating shaft, and be integrally formed with following push plate interference fit, and the depth of parallelism of its height profile is 0.01mm; Article four, four corresponding interporal lacunas cooperate on supporting leg and the commutator assembly locating shaft, play the guiding role in the process of pressing down; Stiffener and commutator assembly locating shaft matched in clearance are nested in the annular groove that designs on the commutator assembly locating shaft, and limiting plate 5 is played the support reinforcing effect; End face design 0.2～0.3mm step of limiting plate 5, this step has position-limiting action when pressing down the application of force.
A kind of adhering method of end face commutator assembly of motor is provided simultaneously, the process of taking two-stage to advance, its operating procedure is:
1) location: use the localization part of the said device of claim 1 that commutator assembly and housing are located respectively, guarantee alignment.Commutator assembly locating shaft 7 and housing locating shaft 11 are assembled through the matching relationship of Φ d hole with axle H7/g6, and 3 place's screws are fastenedly connected, and show like Fig. 5, and forming Φ D and Φ d axiality is the coaxial positioning assembly of Φ 0.01mm.The dress commutator assembly makes iron core endoporus wherein cooperate with locating shaft Φ D earlier, refills housing, and its centre bore is cooperated with locating shaft Φ d.Because positioning component Φ D and Φ d axiality are Φ 0.01mm, so the axiality of commutator assembly and housing Φ 0.03 also just is able to guarantee.
2) go up tension: use the last tension section of the said device of claim 1 to clamp commutator and housing end face, guarantee bonding fastening requirement.Above-mentioned 1) on the basis, location, successively with backing plate 4, concave ball shape pad 3, protruding spherical washer 2 through with positioning component middle shell locating shaft Φ d matched in clearance cover above that.Stretching screw 1 is connected with the internal thread of housing locating shaft, tightens screw 1, through spherical washer, backing plate 4 power evenly is delivered on the housing end face.Because of housing cooperates with locating shaft Φ d, can only parallelly move down, until contacting, clamp with the commutator end face that has located, the big opening end identity distance of housing still has the gap of 0.5mm～1mm during clamping from the step end face of backing plate 5.This process has only guaranteed that housing inner face and commutator are bonding fastening.
3) compress under: use the following pressing section pushing iron core member of the said device of claim 1, guarantee the relative position of iron core member and housing, on request bonding fastening.Operating above-mentioned 1), 2) after the step, the following end line bag of iron core member still exceeds the big opening end face of housing, so also be necessary down to compress.At first install and press down assembly; Corresponding four holes in the commutator assembly locating shaft annular groove of its four supporting legs and localization part are cooperated; Together with 1), 2) integral body that forms after the step is placed on hand and removes on the parallel press, manually spinning presses down assembly, and the step end face on the backing plate 5 is contacted with housing big opening end face; Thereby it is flat to guarantee in the iron core member in the iron core end face and housing that the not-go-end face connects, and line bag end face is lower than housing big opening end face 0.2mm.(Fig. 3)
Advantage of the present invention and beneficial effect: the limitation that breaks through traditional thinking mode; Process and the related device of taking two-stage to advance; Guarantee the specification requirement of the satisfied design of commutator assembly and case bonding; That is: bonding back commutator end facial plane degree is less than 0.02mm, and with the perpendicularity of housing centre bore less than 0.03mm; The interior not-go-end face of the 0.2mm iron core end face of iron core member and housing connects flat, satisfies and brushes pressure request in the follow-up test; Commutator assembly China and foreign countries naked wire bag end face after bonding is lower than housing big opening end face 0.2mm, satisfies the dosing technology demand.
Description of drawings
Fig. 1 is commutator of the present invention and partial enlarged drawing thereof;
Fig. 2 is the commutator assembly figure after commutator of the present invention and the iron core member welding;
Fig. 3 is casing stator and the partial enlarged drawing thereof after commutator assembly of the present invention and the case bonding;
Fig. 4 is an adhering device general assembly drawing of the present invention;
Fig. 5 is a commutator assembly axial location size relationship sketch map of the present invention;
Fig. 6 is the coaxial positioning assembly sketch map in the adhering device of the present invention;
Fig. 7 presses down the assembly sketch map in the adhering device of the present invention;
Fig. 8 is fluoroplastics limiting plate 5 structures and the partial enlarged drawing thereof in the adhering device of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is explained further details:
Design a kind of adhering device of end face commutator assembly of motor; This apparatus structure is made up of three parts: localization part, last tension section and following pressing section; With the localization part is to be connected carrier, and tension section and following pressing section make adhering device form an integral body in application process in the connection;
Localization part is made up of commutator assembly locating shaft 7, housing locating shaft 11 and backing plate 17; Commutator assembly locating shaft and housing locating shaft are that interference fits and 3 places of hole and the axle of Φ d are uniformly distributed with screw 8 and are connected to form the coaxial positioning assembly through diameter; Diameter is the axle and commutator assembly endoporus matched in clearance of Φ D, and diameter is the axle and housing endoporus matched in clearance of Φ d; Φ D and Φ d axiality have guaranteed the axiality Φ 0.03mm of commutator assembly and housing less than Φ 0.01mm; Backing plate 17 is put in the localization part upper surface, is commutator end face location; Backing plate 17 is placed on the commutator assembly axial location overall height H that the back forms on the end face
The locationBe higher than the commutator assembly height H after the welding
Theoretical0.5mm (Fig. 4), when the commutator inner face was located fully, upper thread bag end face and the backing plate 5 end faces 0.5mm gap of still having an appointment under the commutator assembly was in and seemingly connects the non-virtual connection that connects and touch state.
Last tension section is made up of stretching screw 1, protruding spherical washer 2, concave ball shape pad 3, fluoroplastics backing plate 4; The housing locating shaft of stretching screw and localization part is with being threaded; Protruding spherical washer 2, concave ball shape pad 3, fluoroplastics backing plate 4 pads play the effect of protection part at stretching screw with between by bonding housing;
Following pressing section is made up of following push plate 9, stiffener 6, four supporting legs 10 and fluoroplastics limiting plate 5; Following push plate, stiffener, four supporting legs form and press down assembly; Article four, in the annular groove in the center circle diameter of supporting leg and the commutator assembly locating shaft footpath etc. the circle; And be integrally formed with following push plate interference fit, the depth of parallelism of its height profile is 0.01mm; Article four, four corresponding interporal lacunas cooperate on supporting leg and the commutator assembly locating shaft, play the guiding role in the process of pressing down; Stiffener and commutator assembly locating shaft matched in clearance are nested in the annular groove that designs on the commutator assembly locating shaft, and limiting plate 5 is played the support reinforcing effect; End face design 0.2～0.3mm step of limiting plate 5, this step has position-limiting action when pressing down the application of force.
A kind of adhering method of end face commutator assembly of motor is provided simultaneously, the process of taking two-stage to advance, its operating procedure is:
1) location: use the localization part of Fig. 4 device that commutator assembly and housing are located respectively; Guarantee that coaxial requirement is with commutator assembly locating shaft 7 and the matching relationship assembling of housing locating shaft 11 through Φ d hole and axle H7/g6; 3 place's screws are fastenedly connected; Show that like Fig. 6 forming Φ D and Φ d axiality is the coaxial positioning assembly of Φ 0.01mm.Stiffener 6 and limiting plate 5 are installed on positioning component Φ D axle successively, and stiffener 6 is put at the bottom of the positioning component annular groove fully, makes both contacts fully at the place, baseplane, guarantees parallel requirement.Put backing plate 17 in Φ D locating shaft upper surface, backing plate 17 cylindricals and Φ D circle are fitted, and range estimation is not eccentric to get final product.Then iron core endoporus in the commutator assembly is cooperated with locating shaft Φ D; The rotating commutator assembly makes it freely glide along Φ D gently; Contact fully with backing plate 17 until the commutator inner face, estimate under the commutator assembly end line bag end face and the backing plate 5 above gap of 0.5mm of should still having an appointment this moment.The commutator assembly of having good positioning then makes the housing centre bore cooperate with locating shaft Φ d, level put positive housing and gently rotation fall, housing has just been had good positioning.Because positioning component Φ D and Φ d axiality are Φ 0.01mm, so the axiality of commutator assembly and housing Φ 0.03 also just is able to guarantee.
2) go up tension: use the last tension section of Fig. 4 device to clamp commutator and housing end face, guarantee bonding fastening requirement; Above-mentioned 1) on the basis, location, successively with backing plate 4, concave ball shape pad 3, protruding spherical washer 2 through with positioning component middle shell locating shaft Φ d matched in clearance cover above that, be connected with the internal thread of stretching screw 1 with the housing locating shaft.Twist outer six sides that design on the screw 1 with manual wrench, it is motionless that positioning component keeps, and then the screw end face will push spherical washer, and the sphere of spherical washer then decomposes, disperses this downward thrust, through backing plate 4 power evenly is delivered on the housing end face.Housing has the restriction of locating shaft, can only parallelly move down, and contacts continued with the commutator end face that has located and tightens screw, leaves the gap of the about 0.2mm of step end face of limiting plate 5 until the big opening end identity distance of housing.This process only guarantees that housing inner face and commutator are bonding fastening.
3) compress under: the following partial devices pushing iron core member that compresses that uses Fig. 4 device; Guarantee that the relative position of iron core member and housing operating above-mentioned 1), 2) after the step; The following end line bag of iron core member still exceeds the big opening end face of housing, so also be necessary down to compress.At first install and press down assembly; Corresponding four holes in the commutator assembly locating shaft annular groove of its four supporting legs and localization part are cooperated; Together with 1), 2) integral body that forms after the step is placed on hand and removes on the parallel press, manually compresses and presses down assembly, and the step end face on the limiting plate 5 is contacted with housing big opening end face; Thereby it is flat to guarantee in the iron core member in the iron core end face and housing that the not-go-end face connects, and line bag end face is lower than housing big opening end face 0.2mm.
Specific embodiment:
Referring to Fig. 1 to Fig. 3, can find out that commutator assembly has 3 places to belong to manual operations and guarantees: the welding and assembling height of 2 place's line bag height, commutator and line bag lead-out wire, its size has uncertainty, so increase the cemented in place difficulty.Be head it off, also will guarantee the adhesive technology requirement, the process that we take two-stage to advance has designed the device of implementing this process.
1, this adhering device practical implementation is following:
(1) stretching screw and positioning component are threaded by M10, and threaded together process commutator assembly and positioning component thereof are motionless, and the just downward push-tight housing of screw applies sufficient force to clamp commutator and housing.Avoided like this moving on the positioning component and applied upward force and make it distortion to commutator;
(2) design spherical washer; Spherical pair part projection circle by concavo-convex sphere combines to form should be greater than commutator by the about 1mm of the cylindrical of bonding plane; The spherical washer pad is between stretching screw and housing; Effect is in order to let housing and the commutator can be evenly stressed by bonding portion in clamping process, and is unlikely to make wall thickness that the shell ends facial disfigurement of 1.7mm is only arranged, and influences required precision;
(3) coaxial positioning assembly (Fig. 6) is made split-type structural, and the annular groove narrow, dark, the high accuracy size that universal cutter can not be processed is achieved.And satisfy housing datum hole location, also increased the application of force area that acts on the commutator end face as far as possible, guarantee bonding reliable by designing requirement.It is all axial positioning references that this two place has the high-precision coaxial face of cylinder; Thereby guaranteed last tension, compressing two links down can the parallel active force that apply; When guaranteeing that commutator assembly is put into housing; Both only 0.02mm gaps are even, can not be out of shape or the lesion wire bag because of a little inclination makes both mutual extrusion, destroy insulation property etc.;
(4) pressing down the corresponding hole H7/g6 cooperation that is uniformly distributed with 4 places in the commutator locating shaft of assembly (Fig. 7) play the guiding role; Guarantee the parallel commutator assembly center line bag end face that is delivered to of thrust; Make iron core member and case bonding in the commutator assembly, can not produce assembling process;
(5) select for use nonmetallic materials fluoroplastic plate protection part not to be scratched.The backing plate 17 that contacts with commutator also has other purpose: 1. fluoroplastics have and bonding characteristic of not gluing with creep resistant glue HY-917, can prevent and the part adhesion.2. elasticity and the plasticity of utilizing fluoroplastics to have play sealing function to a certain degree, prevent that bonded adhesives from overflowing too much easy-clear not and influencing the conductivity of commutator face coating palladium.
The step (Fig. 8) of the limiting plate 5 that contacts with line bag end face is designed and sized to 0.2～0.3mm, when guaranteeing that the iron core end face can just contact in the housing not-go-end face and stop to advance, makes the specification requirement that can not intuitively see and will guarantee be able to control.This moment, line bag end face was lower than the about 0.2mm of housing big opening end face, line bag internal structure also not can because of excessive exert pressure be out of shape, damage etc.
2, the practical implementation of this programme process is following:
(1) design drawing 4 adhering devices should be able to satisfy coaxial positioning, upward clamping, following substrate hold-down function simultaneously.
(2) nonmetallic materials of selecting to satisfy bonding requirements and sealing function are made backing plate
According to the processing experience, (formal name used at school: polytetrafluoroethylene SFBN) have and this bonding characteristic of not gluing with creep resistant glue HY-917, and have certain elasticity and plasticity, through analysis of experiments, it can satisfy instructions for use to fluoroplastics, so select this material for use.
(3) by device for carrying out said, bonding commutator assembly and housing
1) backing plate 17 is placed on the positioning component, commutator assembly is inserted on its positioning component axle again, the spill end face that commutator welding back is formed contacts with backing plate 17 fully, and is smooth to realize the commutator end face.Roll off the production line bag end face and the about 0.5mm of backing plate with the level 5 end face distances of commutator assembly this moment (Fig. 2) are in and seemingly connect the non-virtual connection that connects and touch state.
2) housing is inserted on its locating shaft, maintains to fixed gap and coaxial with iron core.Then overlap upper padding plate 4, spherical washer, the connection stretching screw is also tightened, and draws in the enforcement to clamp commutator and housing end face.
3) install down and hold down assembly, by auxiliary equipment---manual parallel press applies downforce, and the anti-iron core member that pushes away contacts with housing big opening end face until the step end face of backing plate 5, normal temperature pressurize 4 hours, treat glue stablize after again pine unload external force, lay down and press down assembly.
4) with the line bag end face that exposes in the remainder up, integral body is put into baking oven, toasts 4 hours down at 120 degrees centigrade, cools to room temperature with the furnace and gets final product.
Claims (6)
1. the adhering device of an end face commutator assembly of motor; This apparatus structure is made up of localization part, last tension section and following pressing section three parts; It is characterized in that: be to be connected carrier with the localization part; Tension section and following pressing section make adhering device form an integral body in application process in the connection; Localization part is made up of commutator assembly locating shaft (7), housing locating shaft (11) and backing plate (17), and commutator assembly locating shaft and housing locating shaft are that interference fits and 3 places of hole and the axle of Φ d are uniformly distributed with screw (8) and are connected to form the coaxial positioning assembly through diameter; Backing plate (17) is put in the localization part upper surface, is commutator assembly end face location; Last tension section is made up of stretching screw (1), protruding spherical washer (2), concave ball shape pad (3), fluoroplastics backing plate (4); The housing locating shaft of stretching screw and localization part is with being threaded; Protruding spherical washer (2), concave ball shape pad (3), fluoroplastics backing plate (4) fill up at stretching screw with between by bonding housing, disperse clamping force, make parts of thin-wall casing indeformable; Following pressing section is by push plate (9), stiffener (6), four supporting legs (10) and fluoroplastics limiting plate (5) are formed down; Following push plate, stiffener, four supporting legs form and press down assembly; The end face of fluoroplastics limiting plate (5) is 0.2～0.3mm step; Have position-limiting action when pressing down the application of force, guarantee that the blind area that core assembly contacts with housing is able to manifest at this, guarantees that both finally contact.
2. the adhering device of end face commutator assembly of motor according to claim 1; It is characterized in that: in the said localization part coaxial positioning assembly; Diameter is the axle and commutator assembly iron core endoporus matched in clearance of Φ D, and diameter is the axle and housing endoporus matched in clearance of Φ d; Φ D and Φ d axiality guarantee the axiality of commutator assembly and housing less than 0.01mm.
3. the adhering device of end face commutator assembly of motor according to claim 1; It is characterized in that: backing plate (17) is placed on the commutator assembly matched of commutator assembly locating shaft after total height and welding that forms behind the localization part upper surface; Locate fully to reach the commutator inner face; Upper thread bag end face and fluoroplastics limiting plate (5) the end face 0.5mm gap of having an appointment under the commutator assembly is in and seemingly connects the non-virtual connection that connects and touch state.
4. the adhering device of end face commutator assembly of motor according to claim 1; It is characterized in that: in the annular groove in the center circle diameter of four supporting legs and the commutator assembly locating shaft footpath etc. the circle; And be integrally formed with following push plate interference fit, the depth of parallelism of its height profile is 0.01mm; Article four, four corresponding interporal lacunas cooperate on supporting leg and the commutator assembly locating shaft, play the guiding role in the process of pressing down; Stiffener and commutator assembly locating shaft matched in clearance are nested in the annular groove that designs on the commutator assembly locating shaft, and fluoroplastics limiting plate (5) is played the support reinforcing effect.
5. according to the adhering device of claim 1,2,3 or 4 described end face commutator assembly of motor; It is characterized in that: described backing plate (17), fluoroplastics backing plate (4) or fluoroplastics limiting plate (5) are the nonmetallic materials fluoroplastic plate, rise to prevent that part from scratching and sealing function.
6. the adhering method of an end face commutator assembly of motor is characterized in that, may further comprise the steps:
1) location: use the localization part of the said device of claim 1 that commutator assembly and housing are located respectively, guarantee alignment; Commutator assembly locating shaft (7) and housing locating shaft (11) are assembled through the matching relationship of Φ d hole with axle H7/g6, and 3 place's screws are fastenedly connected, and forming Φ D and Φ d axiality is the coaxial positioning assembly of Φ 0.01mm; Stiffener (6) and fluoroplastics limiting plate (5) are installed on positioning component Φ D axle successively, and stiffener (6) is put at the bottom of the positioning component annular groove fully, makes both contacts fully at the place, baseplane, guarantees parallel requirement; Put backing plate (17) in Φ D locating shaft upper surface, commutator assembly is cooperated with locating shaft Φ D, the rotating commutator assembly makes its vertical free fall to commutator inner face contact fully with backing plate (17) gently; Then the housing centre bore is cooperated with locating shaft Φ d, level is put positive housing and is rotated gently and falls, and makes housing big opening end face and fluoroplastics limiting plate (5) step surface maintain the gap;
2) go up tension: use the last tension section of the said device of claim 1 to clamp commutator and housing end face, guarantee bonding fastening requirement; Above-mentioned 1) on the basis, location, successively with fluoroplastics backing plate (4), concave ball shape pad (3), protruding spherical washer (2) through with positioning component middle shell locating shaft Φ d matched in clearance cover above that, be connected with the internal thread of housing locating shaft with stretching screw (1); Positioning component keeps motionless when tightening screw (1), and the screw end face will push spherical washer, through fluoroplastics backing plate (4) power evenly will be delivered on the housing end face again; Housing moves down until contacting, clamp with the commutator end face that has located, and the big opening end identity distance of housing is from the step end face of fluoroplastics limiting plate (5) the above gap of 0.5mm of can having an appointment during clamping; This process has only guaranteed that housing inner face and commutator are bonding fastening;
3) compress under: use the following pressing section pushing iron core member of the said device of claim 1, guarantee the relative position of iron core member and housing; Operating above-mentioned 1), 2) after the step, the following end line bag of iron core member still exceeds the big opening end face of housing, so also be necessary down to compress; At first install and press down assembly; Corresponding four holes in the commutator assembly locating shaft annular groove of its four supporting legs and localization part are cooperated; Together with 1), 2) integral body that forms after the step is placed on hand and removes on the parallel press, manually compresses and presses down assembly, and the step end face on the fluoroplastics limiting plate (5) is contacted with housing big opening end face; Thereby it is flat to guarantee in the iron core member in the iron core end face and housing that the not-go-end face connects, and line bag end face is lower than housing big opening end face 0.2mm.
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| CN107662088B (en) * | 2016-07-28 | 2019-06-25 | 航天科工惯性技术有限公司 | Accelerometer puts component and assembles localization method |
| CN108214343B (en) * | 2016-12-21 | 2021-04-27 | 航天科工惯性技术有限公司 | Pendulum assembly assembling and positioning device and assembling and positioning method |
| CN109660095B (en) * | 2019-01-31 | 2023-10-20 | 重庆昆旺电子有限责任公司 | Method for attaching upper casing and gasket |
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| US6304009B1 (en) * | 2000-05-23 | 2001-10-16 | Delphi Technologies, Inc. | Rotor assembly and method of manufacturing |
| CN101394120A (en) * | 2008-11-05 | 2009-03-25 | 湘潭电机股份有限公司 | Stirring friction welding method and device for end ring and guide strip of motor rotor |
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Effective date of registration: 20170606 Address after: 050208 Hebei Province, Shijiazhuang city Luquan District Shi Bai street and Beidou Road intersection eastbound 50 meters north Patentee after: SHIJIAZHUANG HAISHAN AVIATION ELECTRONIC TECHNOLOGY CO., LTD. Address before: 710065 box 41, Xi'an, Shaanxi Patentee before: No.618 Research Institute of China Aviation Industry |