THE RELAXATION OF STATICALLY LOADED COMPRESSION SPRINGS

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

THE RELAXATION OF STATICALLY LOADED COMPRESSION SPRINGS

Popis výsledku v původním jazyce

The article presents the measurement results of the relaxation of long-term loaded compression springs manufactured out of non-alloy steel. During the relaxation test that lasted one year in a laboratory with a temperature of 22 oC, initial shear stressset at a value of 30 % of the ultimate tensile strength of the material, decreased the strength of the springs with a wire diameter of 1 mm by 4.0 %, springs with a wire diameter of 3.15 mm by 3.1 %, and springs with a wire diameter of 5 mm by 1.6 %. Bylowering the initial shear stress to a value of only 14 % of the ultimate tensile strength of the material, no relaxation greater than 1.1 % was recorded in any of the springs during measuring. This initial shear stress value is recommended as a maximumin applications where the relaxation of statically loaded springs manufactured out of carbon steel has a significant impact on the operation of the device.

Název v anglickém jazyce

THE RELAXATION OF STATICALLY LOADED COMPRESSION SPRINGS

Popis výsledku anglicky

The article presents the measurement results of the relaxation of long-term loaded compression springs manufactured out of non-alloy steel. During the relaxation test that lasted one year in a laboratory with a temperature of 22 oC, initial shear stressset at a value of 30 % of the ultimate tensile strength of the material, decreased the strength of the springs with a wire diameter of 1 mm by 4.0 %, springs with a wire diameter of 3.15 mm by 3.1 %, and springs with a wire diameter of 5 mm by 1.6 %. Bylowering the initial shear stress to a value of only 14 % of the ultimate tensile strength of the material, no relaxation greater than 1.1 % was recorded in any of the springs during measuring. This initial shear stress value is recommended as a maximumin applications where the relaxation of statically loaded springs manufactured out of carbon steel has a significant impact on the operation of the device.

Druh

D - Stať ve sborníku

CEP obor

GB - Zemědělské stroje a stavby

OECD FORD obor

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Projekt

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Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2013

Kód důvěrnosti údajů

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

Název statě ve sborníku

5th International Conference onTrends in Agricultural Engineering 2013, TAE 2013

ISBN

978-80-213-2388-9

ISSN

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e-ISSN

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Počet stran výsledku

5

Strana od-do

602-606

Název nakladatele

Czech University of Life Sciences Prague

Místo vydání

Prague

Místo konání akce

Prague

Datum konání akce

3. 9. 2013

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000345059700118