JPS5313285A - Moving plate - Google Patents

Moving plate

Info

Publication number
JPS5313285A
JPS5313285A JP8729576A JP8729576A JPS5313285A JP S5313285 A JPS5313285 A JP S5313285A JP 8729576 A JP8729576 A JP 8729576A JP 8729576 A JP8729576 A JP 8729576A JP S5313285 A JPS5313285 A JP S5313285A
Authority
JP
Japan
Prior art keywords
moving plate
mum
coarseness
restricting
distortion
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
JP8729576A
Other languages
Japanese (ja)
Inventor
Shigeo Kato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8729576A priority Critical patent/JPS5313285A/en
Publication of JPS5313285A publication Critical patent/JPS5313285A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • B23Q1/38—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members using fluid bearings or fluid cushion supports

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Machine Tool Units (AREA)

Abstract

PURPOSE:To perform smooth surface machining having a coarseness of 0.02 mum by dividing a flat plate which supports a moving plate by the injection of highpressure fluid into at least three units, causing the load distribution to be concentrated on the central portions, and restricting the distortion of the moving plate to be less than 0.1 mum.
JP8729576A 1976-07-23 1976-07-23 Moving plate Pending JPS5313285A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8729576A JPS5313285A (en) 1976-07-23 1976-07-23 Moving plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8729576A JPS5313285A (en) 1976-07-23 1976-07-23 Moving plate

Publications (1)

Publication Number Publication Date
JPS5313285A true JPS5313285A (en) 1978-02-06

Family

ID=13910813

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8729576A Pending JPS5313285A (en) 1976-07-23 1976-07-23 Moving plate

Country Status (1)

Country Link
JP (1) JPS5313285A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631382A (en) * 1983-09-19 1986-12-23 Mitsubishi Denki Kabushiki Kaisha Bed for electrical discharge machining apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631382A (en) * 1983-09-19 1986-12-23 Mitsubishi Denki Kabushiki Kaisha Bed for electrical discharge machining apparatus

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Legal Events

Date Code Title Description
A602 Written permission of extension of time

Effective date: 20040216

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A313 Final decision of rejection without a dissenting response from the applicant

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Effective date: 20040510

A02 Decision of refusal

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Effective date: 20040608