JPH021720U - - Google Patents
Info
- Publication number
- JPH021720U JPH021720U JP1988078263U JP7826388U JPH021720U JP H021720 U JPH021720 U JP H021720U JP 1988078263 U JP1988078263 U JP 1988078263U JP 7826388 U JP7826388 U JP 7826388U JP H021720 U JPH021720 U JP H021720U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- magnetic bearing
- type optical
- polygon mirror
- optical deflector
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
- F16C17/026—Sliding-contact bearings for exclusively rotary movement for radial load only with helical grooves in the bearing surface to generate hydrodynamic pressure, e.g. herringbone grooves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0402—Bearings not otherwise provided for using magnetic or electric supporting means combined with other supporting means, e.g. hybrid bearings with both magnetic and fluid supporting means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/0408—Passive magnetic bearings
- F16C32/0423—Passive magnetic bearings with permanent magnets on both parts repelling each other
- F16C32/0427—Passive magnetic bearings with permanent magnets on both parts repelling each other for axial load mainly
Landscapes
- Mechanical Optical Scanning Systems (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Description
第1図は本考案の一実施例に係る空気磁気軸受
型光偏向器の一部切欠縦断面図、第2図はポリゴ
ンミラーを示す図であり、aは平面図、bは一部
断面側面図である。第3図は従来例に係る空気磁
気軸受型光偏向器の縦断面図である。
1……ポリゴンミラー、3……マグネツトジヨ
イント、4……スラスト磁気軸受部、6……モー
タ、9……ラジアル動圧軸受部。
FIG. 1 is a partially cutaway vertical sectional view of an air magnetic bearing type optical deflector according to an embodiment of the present invention, and FIG. 2 is a diagram showing a polygon mirror, where a is a plan view and b is a partially sectional side view. It is a diagram. FIG. 3 is a longitudinal sectional view of a conventional air magnetic bearing type optical deflector. DESCRIPTION OF SYMBOLS 1... Polygon mirror, 3... Magnetic joint, 4... Thrust magnetic bearing part, 6... Motor, 9... Radial dynamic pressure bearing part.
Claims (1)
有し、モータの回転によりポリゴンミラーを回転
させる空気磁気軸受型光偏向器において、上記モ
ータとポリゴンミラーの間に非接触マグネツトジ
ヨイントを設けることによつてモータの回転力伝
達系を構成したことを特徴とする空気磁気軸受型
光偏向器。 In an air magnetic bearing type optical deflector that has a radial dynamic pressure bearing part and a thrust magnetic bearing part and rotates a polygon mirror by rotation of a motor, a non-contact magnetic joint is provided between the motor and the polygon mirror. An air magnetic bearing type optical deflector, characterized in that a rotational force transmission system of a motor is configured by.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988078263U JPH021720U (en) | 1988-06-15 | 1988-06-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988078263U JPH021720U (en) | 1988-06-15 | 1988-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH021720U true JPH021720U (en) | 1990-01-08 |
Family
ID=31303200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988078263U Pending JPH021720U (en) | 1988-06-15 | 1988-06-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH021720U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62155708U (en) * | 1986-03-20 | 1987-10-03 |
-
1988
- 1988-06-15 JP JP1988078263U patent/JPH021720U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62155708U (en) * | 1986-03-20 | 1987-10-03 |