temel hİdrolİk b lg ler · 01.05.2014 · basit bir hidrolik devre tasarımı yandaki resimde...
TRANSCRIPT
TEMEL HİDROLİK BİLGİLER
ŞEMSETTİN IŞIL
ROTA TEKNİK A.Ş.
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Service, Training
Basit bir hidrolik devre tasarımı
Yandaki resimde basınç yükü karşılayacak seviyeye kadar yükselebilir.
Silindir haraket
yön kontrolü (yön valfi)
Silindir hız kontroü
(akış kontrol valfi)
Silindir yükünün sınırlanması (basınç emniyet valfi)
Sistemin boşalmasının engellenmesi (çek valf)
Basınçlı akışkan ile sistemin beslenmesi (elektrik motoru ile tahrik edilen hidrolik pompa)
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Service, Training
Hidrolik ve Pnömatik
Devre Elemanlarında Sınıflandırma
1.
Akışkana enerji kazandıran elemanlar:•
Hidrolik Pompalar
•
Kompresörler
2.
Akışkanın enerjisini kullanan elemanlar:•
Hidrolik Silindirler, Hidrolik Motorlar
•
Pnömatik
Silindirler, Hava Motorları
3.
Akışkanının enerjisini denetleyen elemanlar:•
VALFLER
Yön Denetim Valfleri
Basınç Denetim Valfleri
Akış Denetim Valfleri
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Service, Training
Hidrolikte 7 temel kural
1.
Hareketi akış sağlar2.
Basınç itme kuvvetini oluşturur.
3.
Sistemdeki akışkan (yağ) her zaman en az direnç olan hortumdan ilerler, bir başka deyişle en kolay yoldan depoya döner.
4.
Basınç akışa karşı gösterilen dirençtir.5.
Akışkanın hortum içinde akabilmesi için mutlaka basınç farkı olmalıdır.
6.
Basınç farkı büyüdükçe debi artacaktır.7.
Akışkan yüksek basınçtan düşük basınca iş yapmadan geçtiği sürece ısı ortaya çıkar
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Service, Training
Hidrolik Devre
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Service, Training
A B
P T
M
Hidrolik Devre
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Service, Training
M
A B
P T
Hidrolik Devre
© All rights reserved by Bosch Rexroth A.Ş., even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.
Service, Training
M
A B
P T
Hidrolik Devre
© All rights reserved by Bosch Rexroth A.Ş., even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.
Service, Training
M
A B
P T
Hidrolik Devre
© All rights reserved by Bosch Rexroth A.Ş., even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.
Service, Training
M
A B
P T
Hidrolik Devre
© All rights reserved by Bosch Rexroth A.Ş., even and especially in cases of proprietary rights applications.We also retain sole power of disposal, including all rights relating to copying, transmission and dissemination.
Service, Training
M
A B
P T
Hidrolik Devre
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Service, Training
M
A B
P T
Hidrolik Devre
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Service, Training
Pompa Tipleri –
Dişli Pompa
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Paletli Pompa
Direkt Uyarılı Değişken Deplasmanlı Paletli Pompalar
RİNG
ROTOR
PALET
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Pistonlu Pompa –
Eğik Eksen (Sabit Dep.)
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Pistonlu Pompa –
Swash
Plate
(Değişken Dep.)
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Service, Training
Hidrolik Silindirler
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Hidrolik Silindir –
Montaj Şekilleri
Tabandan flanş
bağlantılı.
Ayak bağlama.
Döner mafsallı merkez:
Döner mafsallı silindir
Tabanda döner mafsal
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Service, Training
Yön Denetim Valfleri
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Service, Training
Akış Denetim Valfleri
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Service, Training
Basınç Denetim Valfleri
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Service, Training
Basınç Denetim Valfi
(Pilot Kumandalı)
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Service, Training
Kirlilik Nedenleri
Harici kirlilik
Montaj
Devreye alma anındaki kirlilik
Aşınma
Yeni yağ
Tamir işlemleri
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Service, Training
Kirlilik Seviyeleri
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Service, Training
Emiş Filtresi
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Service, Training
Basınç Filtresi
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Service, Training
Dönüş Filtresi