KR100635628B1 - 스러스트베어링과 샤프트의 결합구조가 개선된하드디스크드라이브용 스핀들모터 - Google Patents
스러스트베어링과 샤프트의 결합구조가 개선된하드디스크드라이브용 스핀들모터 Download PDFInfo
- Publication number
- KR100635628B1 KR100635628B1 KR1020050007470A KR20050007470A KR100635628B1 KR 100635628 B1 KR100635628 B1 KR 100635628B1 KR 1020050007470 A KR1020050007470 A KR 1020050007470A KR 20050007470 A KR20050007470 A KR 20050007470A KR 100635628 B1 KR100635628 B1 KR 100635628B1
- Authority
- KR
- South Korea
- Prior art keywords
- shaft
- thrust bearing
- spindle motor
- hard disk
- disk drive
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
- H02K5/1675—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at only one end of the rotor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/085—Structural association with bearings radially supporting the rotary shaft at only one end of the rotor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
- H02K2205/03—Machines characterised by thrust bearings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
Claims (1)
- 베이스(310), 상기 베이스(310)의 내측에 결합되고 유체동압발생을 유도하는 그루브가 소정의 위치마다 형성된 슬리브(320), 상기 베이스(310)의 상부에서 결합되며 코일이 감겨진 고정자코어(330), 상기 슬리브(320)의 내경에 삽입되어 회전가능하게 결합되고 하단부에 스러스트베어링(370a)이 결합되는 샤프트(340) 및 상기 샤프트(340)가 중심부에 일체로 결합되면서 상기 고정자코어(330)와 마주하는 위치에 마그네트(360)가 부착되는 허브(350)를 포함하는 구조로 이루어지는 하드디스크드라이브용 스핀들모터에 있어서,상기 샤프트(340)는 내경 전체에 걸쳐 나사산이 형성되고, 상기 스러스트베어링(370a)은 중심부가 수직방향으로 소정의 높이를 형성하며 돌출되고 그 돌출된 부위의 외경 전체에 걸쳐 나사산이 형성되며, 상기 나사산이 형성된 돌출부위가 샤프트(340)의 내경에 삽입되어 상기 나사산이 서로 맞물려 결합되는 것을 특징으로 하는 스러스트베어링과 샤프트의 결합구조가 개선된 하드디스크드라이브용 스핀들모터.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050007470A KR100635628B1 (ko) | 2005-01-27 | 2005-01-27 | 스러스트베어링과 샤프트의 결합구조가 개선된하드디스크드라이브용 스핀들모터 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050007470A KR100635628B1 (ko) | 2005-01-27 | 2005-01-27 | 스러스트베어링과 샤프트의 결합구조가 개선된하드디스크드라이브용 스핀들모터 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060086614A KR20060086614A (ko) | 2006-08-01 |
KR100635628B1 true KR100635628B1 (ko) | 2006-10-17 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020050007470A KR100635628B1 (ko) | 2005-01-27 | 2005-01-27 | 스러스트베어링과 샤프트의 결합구조가 개선된하드디스크드라이브용 스핀들모터 |
Country Status (1)
Country | Link |
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KR (1) | KR100635628B1 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101027933B1 (ko) * | 2008-10-01 | 2011-04-12 | 삼성전기주식회사 | 모터와 그 제조방법 |
KR101133396B1 (ko) * | 2010-08-17 | 2012-04-09 | 삼성전기주식회사 | 모터 |
KR101514547B1 (ko) | 2013-10-02 | 2015-04-22 | 삼성전기주식회사 | 스핀들 모터 및 이를 포함하는 하드 디스크 드라이브 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002310148A (ja) | 2001-04-13 | 2002-10-23 | Sankyo Seiki Mfg Co Ltd | 動圧軸受装置 |
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2005
- 2005-01-27 KR KR1020050007470A patent/KR100635628B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002310148A (ja) | 2001-04-13 | 2002-10-23 | Sankyo Seiki Mfg Co Ltd | 動圧軸受装置 |
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Publication number | Publication date |
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KR20060086614A (ko) | 2006-08-01 |
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