JPS62117048U - - Google Patents

Info

Publication number
JPS62117048U
JPS62117048U JP1986002644U JP264486U JPS62117048U JP S62117048 U JPS62117048 U JP S62117048U JP 1986002644 U JP1986002644 U JP 1986002644U JP 264486 U JP264486 U JP 264486U JP S62117048 U JPS62117048 U JP S62117048U
Authority
JP
Japan
Prior art keywords
spindle
bearing
magnetic
magnetic bearing
outer periphery
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
Application number
JP1986002644U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1986002644U priority Critical patent/JPS62117048U/ja
Publication of JPS62117048U publication Critical patent/JPS62117048U/ja
Pending legal-status Critical Current

Links

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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • 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
    • F16C32/044—Active magnetic bearings
    • F16C32/0442—Active magnetic bearings with devices affected by abnormal, undesired or non-standard conditions such as shock-load, power outage, start-up or touchdown
    • 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
    • F16C39/00—Relieving load on bearings
    • F16C39/02—Relieving load on bearings using mechanical 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • 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
    • F16C2322/00—Apparatus used in shaping articles
    • F16C2322/39—General build up of machine tools, e.g. spindles, slides, actuators
    • 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
    • F16C32/044—Active magnetic bearings
    • F16C32/0474—Active magnetic bearings for rotary movement
    • F16C32/0489—Active magnetic bearings for rotary movement with active support of five degrees of freedom, e.g. two radial magnetic bearings combined with an axial bearing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、本考案の実施例を示す部分断面側面
図。第２図は従来の磁気軸受を装着した工作機械
の側断面図。 １……スピンドル、２……ハウジング、３……
工具取付部、４……タツチダウン軸受、５……ラ
ジアルセンサ、６……ラジアル磁気軸受、７……
モータ、８……ラジアル磁気軸受、９……ラジア
ルセンサ、１０，１１……アキシアル磁気軸受、
１２……タツチダウン軸受、１３……アキシアル
センサ、１４……軸受室、１５……スパイラル溝
。 FIG. 1 is a partially sectional side view showing an embodiment of the present invention. Figure 2 is a side sectional view of a machine tool equipped with a conventional magnetic bearing. 1...Spindle, 2...Housing, 3...
Tool attachment part, 4...Touch-down bearing, 5...Radial sensor, 6...Radial magnetic bearing, 7...
Motor, 8... Radial magnetic bearing, 9... Radial sensor, 10, 11... Axial magnetic bearing,
12...Touchdown bearing, 13...Axial sensor, 14...Bearing chamber, 15...Spiral groove.

Claims (1)

【実用新案登録請求の範囲】 １ タツチダウン軸受を備えた工作機械用磁気軸
受スピンドルにおいそ、前記タツチダウン軸受に
対向する前記スピンドルの外周にスピンドルの回
転時、軸受室外への空気流を生ずるような１つ以
上のスパイラル溝を設けたことを特徴とする、磁
気軸受スピンドル。 ２ 前記スピンドルのタツチダウン部外周が非磁
性材料から成る、実用新案登録請求の範囲第１項
記載の磁気軸受スピンドル。[Claims for Utility Model Registration] 1. A magnetic bearing spindle for a machine tool equipped with a touchdown bearing, which generates an air flow outside the bearing chamber on the outer periphery of the spindle facing the touchdown bearing when the spindle rotates. A magnetic bearing spindle characterized by having three or more spiral grooves. 2. The magnetic bearing spindle according to claim 1, wherein the outer periphery of the touch-down portion of the spindle is made of a non-magnetic material.
JP1986002644U 1986-01-14 1986-01-14 Pending JPS62117048U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986002644U JPS62117048U (en) 1986-01-14 1986-01-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986002644U JPS62117048U (en) 1986-01-14 1986-01-14

Publications (1)

Publication Number Publication Date
JPS62117048U true JPS62117048U (en) 1987-07-25

Family

ID=30781674

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986002644U Pending JPS62117048U (en) 1986-01-14 1986-01-14

Country Status (1)

Country Link
JP (1) JPS62117048U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0825173A (en) * 1994-07-20 1996-01-30 Koyo Seiko Co Ltd Magnetic bearing spindle device
JPH0861366A (en) * 1994-08-25 1996-03-08 Koyo Seiko Co Ltd Magnetic bearing device
JPH1058270A (en) * 1996-08-23 1998-03-03 Asahi Optical Co Ltd Spindle device and preventive method for instruction of machining liquid
JPH11277362A (en) * 1998-03-30 1999-10-12 Toyo Advanced Technologies Co Ltd Sealing structure
JP2019515175A (en) * 2016-05-04 2019-06-06 カーエスベー ソシエタス ヨーロピア ウント コンパニー コマンディート ゲゼルシャフト アウフ アクチェンＫＳＢ ＳＥ ＆ Ｃｏ． ＫＧａＡ Centrifugal pump with sealing device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5614256B2 (en) * 1977-11-28 1981-04-03

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5614256B2 (en) * 1977-11-28 1981-04-03

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0825173A (en) * 1994-07-20 1996-01-30 Koyo Seiko Co Ltd Magnetic bearing spindle device
JPH0861366A (en) * 1994-08-25 1996-03-08 Koyo Seiko Co Ltd Magnetic bearing device
JPH1058270A (en) * 1996-08-23 1998-03-03 Asahi Optical Co Ltd Spindle device and preventive method for instruction of machining liquid
JPH11277362A (en) * 1998-03-30 1999-10-12 Toyo Advanced Technologies Co Ltd Sealing structure
JP2019515175A (en) * 2016-05-04 2019-06-06 カーエスベー ソシエタス ヨーロピア ウント コンパニー コマンディート ゲゼルシャフト アウフ アクチェンＫＳＢ ＳＥ ＆ Ｃｏ． ＫＧａＡ Centrifugal pump with sealing device
US11619238B2 (en) 2016-05-04 2023-04-04 KSB SE & Co. KGaA Centrifugal pump having an arrangement for sealing

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