JPH01171922U - - Google Patents

Info

Publication number
JPH01171922U
JPH01171922U JP6816288U JP6816288U JPH01171922U JP H01171922 U JPH01171922 U JP H01171922U JP 6816288 U JP6816288 U JP 6816288U JP 6816288 U JP6816288 U JP 6816288U JP H01171922 U JPH01171922 U JP H01171922U
Authority
JP
Japan
Prior art keywords
thrust bearing
throttle
static pressure
stage
type static
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
Application number
JP6816288U
Other languages
Japanese (ja)
Other versions
JPH0536094Y2 (en
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 JP1988068162U priority Critical patent/JPH0536094Y2/ja
Publication of JPH01171922U publication Critical patent/JPH01171922U/ja
Application granted granted Critical
Publication of JPH0536094Y2 publication Critical patent/JPH0536094Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Description

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

第１図は本考案の１実施例に係る多段絞り機構
形静圧スピンドルの部分的な縦断面図、第２図は
従来の絞り機構形静圧スピンドルの部分的な縦断
面図である。 １０…軸部、１１，１２，１３…フランジ、１
１ａ，１２ａ，１３ａ…スラスト受面、１４…ハ
ウジング、１６…スラスト軸受部、１８…空気通
路、２２…オリフイス、２３…多孔質部材。 FIG. 1 is a partial vertical sectional view of a multi-stage throttle mechanism type static pressure spindle according to an embodiment of the present invention, and FIG. 2 is a partial vertical sectional view of a conventional throttle mechanism type static pressure spindle. 10... Shaft part, 11, 12, 13... Flange, 1
1a, 12a, 13a... Thrust bearing surface, 14... Housing, 16... Thrust bearing portion, 18... Air passage, 22... Orifice, 23... Porous member.

Claims (1)

【実用新案登録請求の範囲】 (1) 流体静圧スラスト軸受を有する静圧スピン
ドルにおいて、スラスト軸受部位置で軸体側に軸
方向に隔置した複数個のスラスト受面を形成し、
スラスト軸受部側に前記複数個のスラスト受面に
対応してそれぞれ絞り機構部を有した複数個のス
ラスト軸受作用面を形成したことを特徴とする多
段絞り機構形静圧スピンドル。 (2) 前記絞り機構部は形式の異なる絞り機構を
組み合せて成ることを特徴とする請求項第１項記
載の多段絞り機構形静圧スピンドル。 (3) 前記絞り機構部はすべて同一形式の絞り機
構で構成されることを特徴とする請求項第１項記
載の多段絞り機構形静圧スピンドル。[Claims for Utility Model Registration] (1) In a hydrostatic spindle having a hydrostatic thrust bearing, a plurality of thrust bearing surfaces spaced apart in the axial direction are formed on the shaft body side at the thrust bearing portion,
A multi-stage throttling mechanism type static pressure spindle, characterized in that a plurality of thrust bearing working surfaces each having a throttling mechanism part are formed on the thrust bearing part side corresponding to the plurality of thrust bearing surfaces. (2) The multi-stage throttle mechanism type static pressure spindle according to claim 1, wherein the throttle mechanism section is formed by combining different types of throttle mechanisms. (3) The multi-stage throttle mechanism type static pressure spindle according to claim 1, wherein all of the throttle mechanism sections are constituted by throttle mechanisms of the same type.
JP1988068162U 1988-05-24 1988-05-24 Expired - Lifetime JPH0536094Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988068162U JPH0536094Y2 (en) 1988-05-24 1988-05-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988068162U JPH0536094Y2 (en) 1988-05-24 1988-05-24

Publications (2)

Publication Number Publication Date
JPH01171922U true JPH01171922U (en) 1989-12-06
JPH0536094Y2 JPH0536094Y2 (en) 1993-09-13

Family

ID=31293486

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988068162U Expired - Lifetime JPH0536094Y2 (en) 1988-05-24 1988-05-24

Country Status (1)

Country Link
JP (1) JPH0536094Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018190262A1 (en) * 2017-04-12 2018-10-18 Ntn株式会社 Spindle device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5497544U (en) * 1977-12-21 1979-07-10
JPS56142231U (en) * 1980-03-26 1981-10-27
JPS59190902U (en) * 1983-06-03 1984-12-18 株式会社東芝 Steam turbine thrust bearing protection device
JPS62148102A (en) * 1985-12-20 1987-07-02 Toyoda Mach Works Ltd Main spindle device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5497544U (en) * 1977-12-21 1979-07-10
JPS56142231U (en) * 1980-03-26 1981-10-27
JPS59190902U (en) * 1983-06-03 1984-12-18 株式会社東芝 Steam turbine thrust bearing protection device
JPS62148102A (en) * 1985-12-20 1987-07-02 Toyoda Mach Works Ltd Main spindle device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018190262A1 (en) * 2017-04-12 2018-10-18 Ntn株式会社 Spindle device
JP2018179130A (en) * 2017-04-12 2018-11-15 Ntn株式会社 Spindle device

Also Published As

Publication number Publication date
JPH0536094Y2 (en) 1993-09-13

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