CN1232881A - 导热的主轴支撑轴 - Google Patents
导热的主轴支撑轴 Download PDFInfo
- Publication number
- CN1232881A CN1232881A CN99102278A CN99102278A CN1232881A CN 1232881 A CN1232881 A CN 1232881A CN 99102278 A CN99102278 A CN 99102278A CN 99102278 A CN99102278 A CN 99102278A CN 1232881 A CN1232881 A CN 1232881A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- support shaft
- silicon carbide
- spindle support
- spindle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 28
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000011156 metal matrix composite Substances 0.000 claims abstract description 13
- 239000004411 aluminium Substances 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 17
- 239000010959 steel Substances 0.000 abstract description 17
- 230000036316 preload Effects 0.000 abstract description 7
- 238000012546 transfer Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 229910000962 AlSiC Inorganic materials 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000357293 Leptobrama muelleri Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
- G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
- G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
- G11B33/1406—Reducing the influence of the temperature
- G11B33/1433—Reducing the influence of the temperature by reducing the effects of the thermal expansion
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rotational Drive Of Disk (AREA)
- Motor Or Generator Frames (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
Description
轴导热率 | 19.56 | 24.90 | 43.75 | 62.50 | 100.00 | (W/m)/K |
外壳顶 | 21.1 | 21.1 | 21.2 | 21.1 | 21.2 | ℃ |
顶部轴承 | 34.9. | 32.2 | 27.7 | 26.0 | 24.5 | ℃ |
电动机定子 | 47.7 | 42.3 | 33.6 | 30.2 | 27.3 | ℃ |
外壳底 | 22.6 | 22.6 | 22.6 | 22.6 | 22.5 | ℃ |
Claims (15)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/031,125 | 1998-02-26 | ||
US09/031,125 US6072661A (en) | 1998-02-26 | 1998-02-26 | Thermally conductive spindle support shaft |
US09/031125 | 1998-02-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1232881A true CN1232881A (zh) | 1999-10-27 |
CN1183266C CN1183266C (zh) | 2005-01-05 |
Family
ID=21857775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB991022785A Expired - Fee Related CN1183266C (zh) | 1998-02-26 | 1999-02-25 | 导热主轴电动机支撑轴、主轴电机组件和磁盘存储器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6072661A (zh) |
JP (1) | JP3406238B2 (zh) |
KR (1) | KR100337220B1 (zh) |
CN (1) | CN1183266C (zh) |
SG (1) | SG78334A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101956113A (zh) * | 2010-09-28 | 2011-01-26 | 河南科技大学 | 一种航空航天用结构材料及其制备方法 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6250364B1 (en) * | 1998-12-29 | 2001-06-26 | International Business Machines Corporation | Semi-solid processing to form disk drive components |
JP2002030386A (ja) * | 2000-07-18 | 2002-01-31 | Minebea Co Ltd | スピンドルモータおよびピボットアッシー |
US6822825B2 (en) * | 2000-12-04 | 2004-11-23 | Seagate Technology Llc | Stiffness compensation for a thermally compensated fluid dynamic bearing |
US6926495B2 (en) * | 2003-09-12 | 2005-08-09 | Siemens Westinghouse Power Corporation | Turbine blade tip clearance control device |
US6896484B2 (en) * | 2003-09-12 | 2005-05-24 | Siemens Westinghouse Power Corporation | Turbine engine sealing device |
US7267523B2 (en) * | 2004-04-28 | 2007-09-11 | Honeywell International, Inc. | Composite shaft |
JP2007323784A (ja) * | 2006-06-05 | 2007-12-13 | Hitachi Ltd | ディスク装置 |
KR101324171B1 (ko) * | 2012-08-22 | 2013-11-05 | 국방과학연구소 | 회전 가능한 고정자 조립체를 구비하는 직구동 회동 장치 및 그 구동 방법 |
WO2019031068A1 (ja) * | 2017-08-08 | 2019-02-14 | ソニーセミコンダクタソリューションズ株式会社 | ベースユニット及び光ディスク装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6246964A (ja) * | 1985-08-21 | 1987-02-28 | 黒崎窯業株式会社 | 耐食性炭化珪素複合焼結体 |
US5850329A (en) * | 1994-10-31 | 1998-12-15 | Sullivan; Thomas Milton | Magnetic recording device components |
-
1998
- 1998-02-26 US US09/031,125 patent/US6072661A/en not_active Expired - Lifetime
-
1999
- 1999-02-10 KR KR1019990004626A patent/KR100337220B1/ko not_active IP Right Cessation
- 1999-02-17 JP JP03803599A patent/JP3406238B2/ja not_active Expired - Fee Related
- 1999-02-23 SG SG1999001006A patent/SG78334A1/en unknown
- 1999-02-25 CN CNB991022785A patent/CN1183266C/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101956113A (zh) * | 2010-09-28 | 2011-01-26 | 河南科技大学 | 一种航空航天用结构材料及其制备方法 |
CN101956113B (zh) * | 2010-09-28 | 2012-07-04 | 河南科技大学 | 一种航空航天用结构材料及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
SG78334A1 (en) | 2001-02-20 |
KR100337220B1 (ko) | 2002-05-17 |
JPH11317005A (ja) | 1999-11-16 |
CN1183266C (zh) | 2005-01-05 |
KR19990072554A (ko) | 1999-09-27 |
US6072661A (en) | 2000-06-06 |
JP3406238B2 (ja) | 2003-05-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
ASS | Succession or assignment of patent right |
Owner name: HITACHI GST Free format text: FORMER OWNER: INTERNATIONAL BUSINESS MACHINE CORP. Effective date: 20040227 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20040227 Address after: Amsterdam Applicant after: Hitachi Global Storage Tech Address before: American New York Applicant before: International Business Machines Corp. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050105 Termination date: 20110225 |