WO1994013053A1 - Method of and apparatus for assembling an electric motor capable of using a motor housing having low dimensional precision - Google Patents
Method of and apparatus for assembling an electric motor capable of using a motor housing having low dimensional precision Download PDFInfo
- Publication number
- WO1994013053A1 WO1994013053A1 PCT/JP1993/001697 JP9301697W WO9413053A1 WO 1994013053 A1 WO1994013053 A1 WO 1994013053A1 JP 9301697 W JP9301697 W JP 9301697W WO 9413053 A1 WO9413053 A1 WO 9413053A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bearing
- center
- assembling
- casing
- body casing
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/16—Centering rotors within the stator; Balancing rotors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49009—Dynamoelectric machine
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5313—Means to assemble electrical device
- Y10T29/53143—Motor or generator
Definitions
- Electric motor assembly method and apparatus capable of using fuselage casing with low dimensional accuracy
- the present invention relates to an electric motor assembling method and an assembling apparatus used for assembling various electric motors including an electric motor part of a scroll compressor used in an air conditioner.
- the scroll compressor used in the air conditioner includes a motor casing 7 consisting of a fuselage casing 1, a stay 2, a rotor 3, a rotating shaft 4, an upper bearing 5, and a lower bearing 6.
- the compressor part 8 is integrated.
- the stay 2 is fixed to the inside of the cylindrical body casing 1 by shrink fitting or the like.
- ⁇ One night 3 is fixed to the outside of the rotating shaft 4 serving as a crankshaft by press fitting or the like, and is inserted inside the stator 2 with a predetermined gap.
- the upper bearing 5 and the lower bearing 6 are mounted in both ends of the fuselage casing 1 and rotatably support the rotating shaft 4.
- the electric motor portion 7 of such a scroll compressor is usually assembled by the procedure shown in FIG. After the insertion of the stay 2 is completed, the body casing 1 is turned upside down, and the upper bearing 5 is fixed to the lower end portion thereof by welding. After the extrapolation of the rotor 3 is completed, the rotating shaft 4 is inserted into the center of the body casing 1, and the lower end thereof is inserted into the upper bearing 5. The lower bearing 6 is inserted into the upper end of the fuselage casing 1, the upper end of the rotating shaft 4 is passed through the lower bearing 6, and the lower bearing 6 is fixed by welding. Both upper bearing 5 and lower bearing 6 are attached to fuselage casing 1 using the inside of fuselage casing 1 as a reference plane for positioning. Can be
- the fuselage casing 1 when the fuselage casing 1 is formed in a complete cylinder, the center of the fuselage casing 1 is aligned with the center of the bearing 5.6, and the gap between the stator 2 and the rotor 3 is changed. Becomes uniform.
- the manufacturing method of the fuselage casing 1 has been simplified to reduce costs, and it has been considered to manufacture the fuselage casing 1 by rolling flat plates.
- the body casing 1 manufactured in this way has poor dimensional accuracy, and if the bearings 5 and 6 are directly assembled to this, the centers of the bearings 5 and 6 will be displaced from the center of the stay 2 and the stay 2 and the rotor Since the gap 3 is not uniform, the motor performance is significantly reduced. Therefore, the fuselage casing 1 with low dimensional accuracy cannot be used, which hinders the cost reduction of the scroll compressor.
- An object of the present invention is to provide a motor assembling method and an assembling apparatus capable of maintaining uniformity of a gear between a stay and a mouth even when the dimensional accuracy of a body casing is low.
- an electric motor assembling method is characterized in that bearings each having an outer diameter smaller than the inner diameter of the fuselage casing are attached to both ends of the fuselage casing in which the stay is inserted.
- a method of assembling a motor in which a rotating shaft having a rotor fitted externally is supported at the center of a fuselage casing, wherein one bearing is inserted into one end of the fuselage casing in which the stator is inserted and fixed.
- the bearing is fixed in the assembling position so that the center of the bearing is located at a predetermined position, and the fuselage casing is fixed in the assembling position such that the center of the inner peripheral surface of the stator coincides with the center of the bearing.
- the fuselage casing is welded to the bearing from multiple locations on the outer peripheral side of the fuselage casing, A first bearing assembly process of mounting one bearing in one end of one shing, and inserting a rotating shaft with a rotor externally fitted and fixed from the other end side of the fuselage casing to a center portion, and rotating the bearing.
- the fuselage casing With the center of one of the bearings at the specified position, the fuselage casing is fixed at the assembling position, and the other bearing is fixed at the assembling position with the center of that bearing and the center of one bearing aligned.
- the body casing into which the stay is inserted and fixed is fixed to the assembly position such that the center of the inner peripheral surface of the stay is aligned with the center of the bearing. Then, in this state, one bearing is welded to the fuselage casing. Therefore, one bearing and the stay are concentric.
- the fuselage casing is fixed to the assembly position so that the center of one of the bearings is located at a predetermined position, and the other bearing is assembled so that the center thereof matches the center of one of the bearings. Once fixed in position, it is welded to the other bearing or fuselage casing. Therefore, it is concentric with the other bearing or one bearing and stay.
- the center of both bearings coincides with the center of the stay without being affected by the dimensional accuracy of the fuselage casing. That is, regardless of the dimensional accuracy of the inner surface of the fuselage casing, the stator and the bearing are aligned, and the gap between the rotor and the stay supported by the bearing becomes uniform.
- welding at multiple positions is started simultaneously, and the heat input S and welding wire supply amount in each welding are the same.
- the solidification process of the weld metal at each weld is the same, and eccentricity of the bearing within the end of the fuselage casing due to unevenness of the solidification process is prevented. Therefore, the concentricity between the stay and the bearing is maintained.
- a bearing having an outer diameter smaller than the inner diameter of the body casing is attached to both ends of the body casing in which the stay is inserted, and the rotor is attached to the center of the body casing by the bearing.
- a first bearing assembling machine for mounting one of the bearings in one end of a body casing in which a stay is inserted and fixed, the first bearing assembling machine comprising: A second bearing assembling machine in which the mounting of one of the bearings to the fuselage casing is completed, and the other bearing is mounted in the other end of the fuselage casing in which the rotating shaft fixedly fitted with the rotor is inserted into the center.
- the first bearing assembling machine comprises: a bearing positioning mechanism for fixing the one of the bearings at an assembly position such that the center of the bearing is located at a predetermined position; and And a body positioning mechanism for fixing the body casing fixed to the assembly position so that the center of the inner peripheral surface of the stay coincides with the center of the bearing, and a body casing mechanism fixed to the assembly position.
- one of the bearings in the first bearing assembling machine, one of the bearings is fixed to the assembling position such that the center thereof is located at the predetermined position.
- the body casing in which the stay is inserted is fixed to the assembling position such that the center of the inner peripheral surface of the stay matches the center of the bearing. Then, in this state, one of the bearings is welded to the fuselage casing. Therefore, one bearing and the stator are concentric.
- the fuselage casing is fixed to the assembling position so that the center of one of the bearings is located at a predetermined position, and the other bearing is assembled so that the center thereof coincides with the center of one of the bearings.
- the other bearing is welded to the fuselage casing. Therefore, it is concentric with the other bearing or one bearing and the stay.
- the center of both bearings coincides with the center of the stay without being affected by the dimensional accuracy of the fuselage casing. That is, regardless of the dimensional accuracy of the fuselage casing, the stator and the bearing are centered, and the gap between the rotor and the stay supported by the bearing via the rotating shaft becomes uniform.
- the electric motor generally includes not only the electric motor but also the electric motor portion of the electric motor in which the compression section is accommodated in the body casing.
- a positioning mechanism for fixing a body casing or a bearing inserted into an end of the body casing to an assembly position is provided with a mechanism for detecting a center misalignment of the positioning mechanism, and a mechanism for detecting a center misalignment. It is preferable to provide a correction drive mechanism for moving the positioning mechanism.
- a misalignment detection mechanism is mounted on a positioning mechanism parallel to the center of the positioning mechanism. It is preferable to comprise a star bar and two displacement sensors provided on a base of the assembling machine and measuring two directions orthogonal to the eccentric foot of the master bar.
- the master bar will be eccentric with the misalignment, and the amount of eccentricity will be measured by two displacement sensors in two orthogonal directions. The direction and magnitude of the misalignment are determined.
- 1 (a), 1 (b) and 1 (c) are schematic views illustrating an example of a motor assembly method embodying the present invention.
- FIG. 2 is a longitudinal sectional view showing the configuration of the first bearing assembling machine.
- FIG. 3 is a front view showing the entire configuration of the second bearing assembling machine.
- FIG. 4 is a side view showing the overall configuration of the second bearing assembly machine.
- FIG. 5 is a longitudinal sectional view showing a detailed configuration of a main part of the second bearing assembling machine.
- FIG. 6 is a perspective view showing the configuration of the misalignment detection mechanism.
- FIG. 7 is a plan view showing the configuration of the misalignment detection flag.
- FIG. 8 is a sectional view showing the schematic configuration of the scroll compressor.
- FIG. 9 is a sectional view schematically showing a conventional assembling method.
- This motor assembling method is used for assembling a motor portion of a scroll D-compressor, and as shown in FIG. 1 (a), a fuselage casing 1 (in which the stator 2 is inserted and fixed)
- the first bearing assembly process for mounting the upper bearing 5 in the lower end of the fuselage, and the body casing after the mounting of the upper bearing 5 is completed as shown in Fig. 1 (b).
- the upper bearing 5 is carried by the pallet 10 to the first bearing assembly machine A shown in FIG.
- the fuselage casing 1 to which the upper bearing 5 has been assembled is transported to the second bearing assembling machine C shown in FIGS. 3 and 4.5 by the pallet 10 after the rotary shaft 4 is further assembled.
- the lower bearing 6 is mounted inside the upper end of the lower bearing.
- the inner diameter of the fuselage casing 1 is larger than the outer diameters of the upper bearing 5 and the lower bearing 6, so that a gap is formed between the inner surface of the fuselage casing 1 and the outer surfaces of the upper bearing 5 and the lower bearing 6. .
- the pallet 10 has a bearing support 12 protruding from the center of the surface of the base plate 11.
- the bearing support 12 supports the upper bearing 5 horizontally.
- the upper bearing 5 supported by the bearing support 12 is fixed to the center of the pallet 10 by a chuck 13 provided around the bearing support 12.
- a fuselage receiving stand 14 is provided on the outer peripheral side of the chuck 13 for placing the fuselage casing 1 vertically, and a pallet 10 is positioned on the outer peripheral side of the base plate 11.
- a member 15 having a pin hole 15a for fixing is fixed.
- the first bearing assembler A includes a bearing positioning mechanism 20 for fixing the upper bearing 5 at the assembly position, a body positioning mechanism 30 for fixing the fuselage casing 1 at the assembly position, and positioning. And a welding mechanism 40 for welding the formed upper bearing 5 and the body casing 1.
- the bearing positioning mechanism 20 has a lifting unit 21 that pushes up the pallet 10 sent to the first bearing assembly machine A.
- the lifting unit 21 is moved up and down by, for example, an air cylinder (not shown).
- Lifting unit 2 1 When the pallet 10 is pushed up, the positioning pins 23 attached to the main body base 22 are inserted into the pin holes 15. As a result, the pallet 10 is fixed to the assembling position of the first bearing assembler A.
- the upper bearing 5 on the pallet 10 is positioned at a predetermined position with the center of the upper bearing 5 at a predetermined position. Is fixed to the assembling position of the first bearing assembling machine A to be positioned at.
- the entire body positioning mechanism 30 is moved vertically and horizontally by an air cylinder (not shown), and has a vertical pressing rod 31 at the center of the main body 30a.
- a fitting portion 3 la that closely fits into the center hole 5 a of the bearing 5, and a larger diameter than this fitting portion 3 la, press the upper end of the upper bearing 5. It has a 3 lb flange portion to hold.
- the presser rod 31 fixes the upper bearing 5 on the pallet 10 by the fitting part 3 la and the flange part 3 lb by the lowering thereof.
- the upper bearing 5 and the presser bar 31 are on the same center line.
- a plurality of chucks 32 are provided around the holding bar 31.
- the chuck 32 is synchronously driven radially in the radial direction of the bearing presser bar 31 by an upper drive unit (not shown), and thereby holds the stay 2 from the inner surface side. Then, the stay 2 is transported to the stator assembly position of the first bearing assembling machine A, and the body casing 1 fitted to the stay 2 is placed on the body receiving stand 14.
- the welding mechanism 40 has four welding torches 41 (only two are shown) arranged at intervals of 90 degrees in the circumferential direction.
- the welding torch 41 is located outside the lower end of the fuselage casing 1 placed on the fuselage receiving stand 14, and performs plug welding by a TIG welding method using the wire 42.
- Body positioning mechanism 50 for fixing the lower bearing 6 to the assembly position a bearing positioning mechanism 60 for fixing the lower bearing 6 to the assembly position, a welding mechanism 70 for welding the positioned body casing 1 to the lower bearing 6, and a bearing position.
- the fuselage positioning mechanism 50 has the same configuration as the bearing positioning mechanism 20 of the first bearing assembler A.
- the pallet 10 pushed up by the lifting unit 51 is
- the upper bearing 5 is fixed to the assembling position of the second bearing assembling machine C by positioning with the positioning pins 53 attached to the main body base 52 and the pin holes 15a. That is, the body casing 1 is fixed to the assembly position of the second bearing assembly machine C such that the center of the upper bearing 5 is located at the predetermined position.
- the bearing positioning mechanism 60 has a centering rod 61 at the center.
- the centering rod 61 is moved up and down in the bearing positioning mechanism 60 by the cylinder 62 so that the small diameter portion 6 la at the lower end of the centering rod 61 is set on the end face of the rotating shaft 4 in the body casing 1.
- a check 63 is provided around the centering rod 61.
- the chuck 63 clamps the lower bearing 6 and fixes the lower bearing 6 concentrically with the centering rod 61, that is, at the center position of the bearing positioning mechanism 60.
- a plurality of lifting claws 6 4 (only one is shown in FIG. 5) and a block 65 are provided around the chuck 63.
- the lifting pawls 6 4 are raised and lowered by the cylinder 6 6, penetrate the holes 6 a provided in the lower bearing 6, lock the pawls on the lower surface of the lower bearing 6, pull up the lower bearing 6, and lift the lower
- the lower bearing 6 is fixed horizontally by pressing it against the lower surface of 5.
- the entire bearing positioning mechanism 60 is driven vertically and horizontally by a correction drive mechanism 80 described later.
- the welding mechanism 70 has three welding torches 1 arranged at intervals of 120 degrees in the circumferential direction.
- the welding torch 71 is located outside the upper end of the fuselage casing 1 fixed at the assembly position of the second bearing erecting machine C, and performs plug welding by the TIG welding method using the wire 72.
- the compensation drive mechanism 80 is composed of an upper table 81 that is movable in the Y-axis direction parallel to the horizontal plane, a lower table 82 that is movable in the X-axis direction that is parallel to the horizontal plane and perpendicular to the Y axis, and a vertical table. Back plate 83 that is movable in the Z-axis direction.
- the upper table 81 also serves as a base plate of the bearing positioning mechanism 60, and reciprocates on the lower table 82 in the Y-axis direction using the first servomotor 84 as a power source.
- the lower table 82 is cantilevered on the front side of the back plate 83, and reciprocates in the X-axis direction using a second servomotor 85 attached to the back plate 83 as a power source.
- the back plate 83 is moved up and down via a feed screw 87 using a third servomotor 86 shown in FIGS. 3 and 4 as a power source.
- the bearing positioning mechanism 60 reciprocates between the upper retracted position and the lower operating position.
- the misalignment detection mechanism 90 includes a lead E master bar 91 hanging directly below the base plate of the bearing positioning mechanism 60 and a base E of the second bearing assembly machine C. And two sets of displacement sensors 92 provided.
- the master bar 91 is located above the two sets of displacement sensors 92 when the bearing positioning mechanism 60 is at the upper evacuation position.
- the bearing positioning mechanism 60 moves down to the lower operating position, the lower end of the master bar 91 crosses the optical axes of the two sets of displacement sensors 92.
- the bearing positioning mechanism 60 will be sharpened in the operating position.
- the two sets of displacement sensors 92 are installed on the upper surface of a stand 93 erected on the base of the second bearing assembly machine C.
- Each set of displacement sensors 92 As shown in FIG. 7, it is composed of a laser projector 92a and a laser receiver 92b opposed to each other at a predetermined interval.
- the optical axis of one displacement sensor 92 oriented in the X-axis direction and the optical axis of the other displacement sensor 92 oriented in the Y-axis direction intersect on the center of the gantry 93.
- the center of the master bar 91 coincides with the point where the optical axes of the two sets of displacement sensors 92 intersect.
- the laser beam from each set of laser projectors 9 2 a is completely blocked by the master bar 91, and the amount of light received by the laser receiver 92 b becomes zero.
- the center of the master bar 91 deviates from the point where the optical axes of the two sets of displacement sensors 92 intersect, the amount of light received by the laser receivers 9 2b of each set increases in accordance with the amount. Therefore, the amount of eccentricity of the master bar 91 can be determined in both the X-axis direction and the Y-axis direction from the change in the amount of light received by the two laser receivers 9 2 b.
- the detected eccentric amounts of the master bar 91 in the X-axis direction and the Y-axis direction are input to a control device (not shown).
- the control device controls the servo motors 84 and 85 of the correction drive mechanism 80 so that the respective eccentric amounts become zero.
- the motor assembling apparatus assembles the motor part of the scroll compressor described above in the following order, and implements the motor assembling method of the present invention.
- the upper bearing 5 is fixed at the center of the pallet 10.
- the pallet 10 is conveyed to the first bearing assembling machine A as shown in FIG. 2 and is positioned by the bearing positioning mechanism 20. Thereby, the upper bearing 5 is fixed to the assembly position of the first bearing assembler A such that the center of the upper bearing 5 is located at a predetermined position.
- the fuselage casing 1 is fixed to the assembly position of the first bearing assembler A by the fuselage positioning mechanism 30.
- Fuselage casing The gear 1 has a stay 1 attached thereto in advance, and the inner surface of the stator 2 is clamped and fixed to an assembly position so that the inner surface is located at a predetermined position.
- the upper bearing 5 is located in the lower end portion of the fuselage casing 1, and its center is aligned with the center of the stay 2. That is, the body casing 1 and the upper bearing 5 are combined while ignoring the center of the body casing 1.
- the fuselage casing 1 When the upper bearing 5 is combined with the fuselage casing 1, the fuselage casing 1 is simultaneously plug-welded to the upper bearing 5 from four locations outside the fuselage casing 1 by the welding mechanism 40 using the TIG welding method. As a result, the upper bearing 5 is attached to the fuselage casing 1 concentrically with the stator 2.
- each welding is started at the same time, and the heat input amount and the welding wire supply amount in each welding are made equal.
- the amount of molten metal at each welded portion becomes the same, and each molten metal finishes solidification at the same timing, thereby preventing the eccentricity of the upper bearing 5 and the upper bearing 5 and the inside of the body casing 1. Concentricity with Stay overnight 2 is maintained.
- the supply voltage, the supply current, and the conduction time are the same for each welding.
- the upper casing 5 is fixed to the pallet 10 and is transported by the pallet 10 to a place where the body casing 1 assembles the rotary shaft. Then, the rotating shaft 4 on which the rotor 3 has been mounted is inserted into the center of the body casing 1, and the lower end thereof is inserted into the upper bearing 5 o
- the body casing 1 is transferred to the second bearing assembling machine C by the pallet 10. Pallets transported to the second bearing assembly machine C G is positioned by the body positioning mechanism 50. As a result, the fuselage casing 1 on the pallet 10 is fixed to the assembly position of the second bearing assembler C such that the center of the upper bearing 5 and the center of the inner peripheral surface of the stator 2 are concentric. .
- the lower bearing 6 is fixed to the assembly position of the second bearing assembler C by the bearing positioning mechanism 60.
- the lower bearing 6 is inserted into the upper end of the body casing 1, and the upper end of the rotating shaft 4 is inserted into the lower bearing 6.
- the center of the lower bearing 6 coincides with the center of the upper bearing 5 mounted in the lower end of the fuselage casing 1.
- the center of the upper bearing 5 already coincides with the center of the stay 2. Therefore, the centers of the stay 2, the upper bearing 5, and the lower bearing 6 coincide.
- the fuselage casing 1 is simultaneously plug-welded to the lower bearing 6 from the three positions on the outer peripheral side of the fuselage casing 1 by the welding mechanism 70 using the TIG welding method.
- this simultaneous welding also, each welding is started simultaneously, and the heat input and welding wire supply in each welding are made the same so that the solidification process of the molten metal in each weld is the same. Prevents eccentricity of stator 2 and upper bearing 5.
- the simultaneous welding odor t is performed at a position near the bearing positioning mechanism 60. Therefore, when welding is repeated, the bearing positioning mechanism 60 may be deformed due to accumulation of welding heat. Deformation of the pong receiving mechanism 60 leads to its misalignment, causing the lower bearing 6 to be eccentric.
- the master bar 91 of the misalignment detection mechanism 90 is eccentric with the misalignment.
- the master bar 91 is eccentric, the direction and magnitude of the eccentricity are detected by the two displacement sensors 92, and the entire bearing positioning mechanism 60 is leveled so that the eccentricity is corrected. Move in the direction. Therefore, even if the bearing positioning mechanism 60 undergoes thermal deformation, no misalignment occurs. Therefore, eccentricity of the lower bearing 6 due to the thermal deformation is prevented.
- the device for preventing eccentricity due to thermal deformation is provided in the bearing positioning mechanism 60 in the above embodiment, but may be provided in the body positioning mechanism 30 in the first bearing assembly machine A. . Further, it is also possible to provide the bearing positioning mechanism 20 in the first bearing assembling machine A or the body position S determining mechanism 50 in the second bearing assembling machine C. In either case, misalignment due to thermal deformation can be prevented.
- the center of the bearing coincides with the center of the inner peripheral surface of the stay. Further, when the rotating shaft is inserted, the center of one bearing is made to coincide with the center of one bearing via the center of the rotating shaft when the other bearing is mounted in the second bearing assembly process. Therefore, regardless of the dimensional accuracy of the fuselage casing, the center of the stay matches the center of the two bearings, the center of the two bearings, and the rotating shaft supported by the two bearings and the stay are concentric.
- the center of the one bearing coincides with the center of the inner peripheral surface of the stay.
- the center of the other bearing is made to coincide with the center of the other bearing via the center of the rotation shaft when the other bearing is mounted on the second bearing assembly machine. Therefore, regardless of the dimensional accuracy of the fuselage casing, the center of the stay coincides with the center of the two bearings, and the rotating shaft supported by the two bearings and the stay are concentric. As a result, the gap between the rotor attached to the rotating shaft and the stay is made uniform, and the performance of the motor is prevented from deteriorating due to uneven gears. Therefore, the use of a fuselage casing with low dimensional accuracy is possible, and the cost of the motor is reduced.
- a positioning mechanism for fixing a body casing or a bearing inserted into an end of the body casing to an assembly position is provided with a mechanism for detecting a center misalignment of the positioning mechanism, and a mechanism for detecting a center misalignment. If a correction drive mechanism for moving the positioning mechanism is provided, the misalignment due to thermal deformation of the positioning mechanism is prevented, so that the uniformity of the gap between the rotor and the stay is improved. The performance of the motor is further improved.
- This invention can be used for assembling the electric motor used for an air conditioner etc., for example.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
- Motor Or Generator Frames (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69317903T DE69317903T2 (de) | 1992-11-24 | 1993-11-19 | Verfahren und vorrichtung zum zusammenbau eines elektromotors mit der möglichkeit ein motorgehäuse mit geringer massgenauigkeit zu verwenden |
EP94900286A EP0671806B1 (en) | 1992-11-24 | 1993-11-19 | Method of and apparatus for assembling an electric motor capable of using a motor housing having low dimensional precision |
US08/436,424 US5661894A (en) | 1992-11-24 | 1993-11-19 | Method for assembling an electric motor employing a casing body having low dimensional accuracy |
US08/858,806 US5842271A (en) | 1992-11-24 | 1997-05-19 | Apparatus for assembling an electric motor employing a casing body having low dimensional accuracy |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4/337906 | 1992-11-24 | ||
JP33790692A JPH06159262A (ja) | 1992-11-24 | 1992-11-24 | 圧縮機組立装置 |
JP30717593A JP3250348B2 (ja) | 1992-11-24 | 1993-11-12 | 電動機組立方法および装置 |
JP5/307175 | 1993-11-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994013053A1 true WO1994013053A1 (en) | 1994-06-09 |
Family
ID=26565007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1993/001697 WO1994013053A1 (en) | 1992-11-24 | 1993-11-19 | Method of and apparatus for assembling an electric motor capable of using a motor housing having low dimensional precision |
Country Status (9)
Country | Link |
---|---|
US (2) | US5661894A (ja) |
EP (1) | EP0671806B1 (ja) |
JP (1) | JP3250348B2 (ja) |
CN (1) | CN1048077C (ja) |
DE (1) | DE69317903T2 (ja) |
ES (1) | ES2115917T3 (ja) |
MY (1) | MY111594A (ja) |
TW (1) | TW227591B (ja) |
WO (1) | WO1994013053A1 (ja) |
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US6205644B1 (en) * | 1997-12-04 | 2001-03-27 | Emerson Electric Co. | Method of assembling an electric motor |
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FR2792718B1 (fr) * | 1999-04-20 | 2001-05-25 | Danfoss Maneurop S A | Procede de montage et d'alignement des paliers du vilebrequin d'un compresseur scroll, et dispositif pour la mise en oeuvre de ce procede |
US6280154B1 (en) * | 2000-02-02 | 2001-08-28 | Copeland Corporation | Scroll compressor |
JP2001251817A (ja) * | 2000-03-07 | 2001-09-14 | Moric Co Ltd | 永久磁石界磁モータの組立て装置 |
US6280155B1 (en) | 2000-03-21 | 2001-08-28 | Tecumseh Products Company | Discharge manifold and mounting system for, and method of assembling, a hermetic compressor |
JP2002345218A (ja) * | 2001-05-11 | 2002-11-29 | Matsushita Electric Ind Co Ltd | 電動機の製造方法、ならびにその方法により組み立てられた電動機を用いた家庭用電気製品および業務用電気製品 |
TW591850B (en) * | 2003-01-24 | 2004-06-11 | Delta Electronics Inc | Assembling method of supporting disk of rotating member and its fixture |
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- 1993-11-19 DE DE69317903T patent/DE69317903T2/de not_active Expired - Fee Related
- 1993-11-19 WO PCT/JP1993/001697 patent/WO1994013053A1/ja active IP Right Grant
- 1993-11-19 US US08/436,424 patent/US5661894A/en not_active Expired - Lifetime
- 1993-11-19 ES ES94900286T patent/ES2115917T3/es not_active Expired - Lifetime
- 1993-11-19 EP EP94900286A patent/EP0671806B1/en not_active Expired - Lifetime
- 1993-11-22 MY MYPI93002445A patent/MY111594A/en unknown
- 1993-11-23 TW TW082109833A patent/TW227591B/zh active
- 1993-11-24 CN CN93121456A patent/CN1048077C/zh not_active Expired - Fee Related
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1997
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Also Published As
Publication number | Publication date |
---|---|
DE69317903D1 (de) | 1998-05-14 |
EP0671806A1 (en) | 1995-09-13 |
DE69317903T2 (de) | 1998-09-17 |
ES2115917T3 (es) | 1998-07-01 |
CN1048077C (zh) | 2000-01-05 |
US5842271A (en) | 1998-12-01 |
US5661894A (en) | 1997-09-02 |
EP0671806B1 (en) | 1998-04-08 |
TW227591B (ja) | 1994-08-01 |
JPH08128396A (ja) | 1996-05-21 |
EP0671806A4 (en) | 1997-04-02 |
MY111594A (en) | 2000-09-27 |
CN1095454A (zh) | 1994-11-23 |
JP3250348B2 (ja) | 2002-01-28 |
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