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Analytical Solution of Hydrostatic Pocket Tilting

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F15%3A00239545" target="_blank" >RIV/68407700:21220/15:00239545 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Analytical Solution of Hydrostatic Pocket Tilting

  • Original language description

    Tilting (parallelism error) of guiding surfaces may cause reduction of load capacity of hydrostatic (HS) guideways and bearings in machine tools (MT). Using coupled finite element (FE) computational models of MT structures, it is nowadays possible to determine the extent of guiding surfaces deformation caused by thermal effects, gravitational force, cutting forces and inertia effects. Assessment of maximum allowable tilt has so far been based merely on experience. The paper presents a detailed model developed for description of the effect of HS bearing tilt on the load capacity characteristics of HS guideways. The model allows an evaluation of the tilt influence on the change of the characteristics as well as determination of the limit values of allowable tilt in interaction with compliant machine tool structure. The proposed model is based on the model of flow over the land of the HS pocket under extended Navier-Stokes equation. The model is verified using an experimental test rig.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    JQ - Machinery and tools

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/TE01020075" target="_blank" >TE01020075: Competence Center - Manufacturing Technology</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2015

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Proceedings of the 21st International Conference Engineering Mechanics 2015

  • ISBN

    978-80-86246-42-0

  • ISSN

    1805-8248

  • e-ISSN

  • Number of pages

    2

  • Pages from-to

    288-289

  • Publisher name

    AV ČR, Ústav teoretické a aplikované mechaniky

  • Place of publication

    Praha

  • Event location

    Svratka

  • Event date

    May 11, 2015

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article