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JIHOSTROJ a.s.- since 1919 -
Odborný seminář CAHP Teorie a vývoj čerpadel JSV
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Jiří Ambrož 11. 9. 2019
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Zubové čerpadlo – nejjednodušší převodník
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Základní parametry a veličiny
• GEOMETRICKÝ OBJEM - Vg [cm3]
• Základní geometrický parametr
• Závisí na geometrii a šířce ozubení
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Základní parametry a veličiny
• PRŮTOK - Q [l/min]
• Základní parametr
• Závisí na geometrickém objemu a otáčkách
• Změna průtoku pouze regulací otáček
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Základní parametry a veličiny
• TLAK - p [bar]
• Základní pracovní parametr
• Závisí na hydraulickém okruhu
• Max. trvalý, max. a špičkový
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Základní parametry a veličiny
• OTÁČKY – n [1/min]
• Základní pracovní parametr
• Závisí na druhu pohonu (E-motor, diesel…)
• Minimální
• Jmenovité
• Maximální
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Základní parametry a veličiny
• TEPLOTA OLEJE – t [°C]
• Základní pracovní parametr
• Vliv na viskozitu
• Vliv na životnost
• Vliv na materiál těsnění
• Minimální – studený start!
• Pracovní – OK
• Maximální – životnost (ztráta mazací vrstvy)…
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Základní parametry a veličiny
• OBJEMOVÁ ÚČINNOST – ηv [-]
• Ovlivňuje průtok
• hodnoty 0,92 až 0,98
• Závisí na otáčkách, tlaku a teplotě (viskozitě)
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Základní parametry a veličiny
• OBJEMOVÁ ÚČINNOST – ηv [-]
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Základní parametry a veličiny
• MECHANICKÁ ÚČINNOST – ηm [-]
• Závisí na tření atd.
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Základní vnitřní části zubového čerpadla
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
12
Základní vnitřní části zubového čerpadla
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Základní vnitřní části zubového čerpadla
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
14
Základní vnitřní části zubového čerpadla
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Základní vnitřní části zubového čerpadla
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Tlakové pole a síly
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Tlakové pole a síly
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
18
Tlakové pole a síly
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Tlakové pole a síly
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Tlakové pole a síly
F1
F2
F2 > F1
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Axiální kompenzace – přítlačné desky a ložisková čela
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Validace konstrukčního řešení
• Zkušební prototypy
• Základní funkční zkoušky
• Dlouhodobé zkoušky
– Cyklické zkoušky – krátké cykly
– Cyklické zkoušky – dlouhé cykly
– Trvalý tlak, maximální parametry
– Speciální (nízké otáčky, nízká viskozita apod.)
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Základní oblasti vývoje
• Maximální tlak
• Maximální otáčky
• Mechanická účinnost
• Minimální otáčky
• Minimální viskozita
• Hluk a tlakové pulzace
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Maximální tlak
• Životnost tělesa
• Životnost ložisek
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Maximální tlak
• Životnost tělesa
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Maximální tlak
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
27
Maximální tlak
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Maximální tlak
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Maximální tlak
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
30
Maximální tlak
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
31
Maximální tlak
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Maximální otáčky
• Životnost ložisek a přítlačných desek
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Maximální otáčky
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Maximální otáčky
• O 20% vyšší otáčky
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Hluk a pulzace
• Závisí na
• Přesnosti ozubení
• Výrobní technologii ozubení
• Profilu a tvaru ozubení
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Hluk a pulzace
• Pulzace závisí na
• Počtu zubů
• Tvaru kontaktu zubů
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Hluk a pulzace
• Různý přístup výrobců
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Hluk a pulzace
• Různý přístup výrobců
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
39
Hluk a pulzace
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
40
Hluk a pulzace
• Dvouboký odval (DFC)
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Hluk a pulzace
• Diferenciální ozubení
• Chytrý způsob zvýšení počtu zubů
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
42
Hluk a pulzace
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
43
Hluk a pulzace
• Standardní čerpadlo
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
44
Hluk a pulzace
• Diferenciální ozubení
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
45
Hluk a pulzace
• DFC
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
46
Ze zkušebny
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
47
Ze zkušebny
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
48
Ze zkušebny
© Jihostroj a.s. 2019. All Rights Reserved. This presentation and all information are the property of Jihostroj a.s., contain trade secretsand may not, in whole or part be used, duplicated, or disclosed for any purpose without prior written approval.
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Děkuji vám za pozornost
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