ReferatReferatvonvon

Oliver WerthOliver Werth

Pneumatik aufPneumatik auf

EnglischEnglisch

Ein Großteil der in der Physik Ein Großteil der in der Physik verwendeten Formeln ist auf den im verwendeten Formeln ist auf den im englischen verwendeten Begriff englischen verwendeten Begriff zurückzuführen. So auch in der zurückzuführen. So auch in der Pneumatik.Pneumatik.Die Formel des Drucks Die Formel des Drucks p = F / Ap = F / A hieße hieße im englisch ausformuliert:im englisch ausformuliert:pressure is equal to force per area pressure is equal to force per area (Druck ist gleich Kraft pro Fläche)(Druck ist gleich Kraft pro Fläche)

BeispieleBeispiele (examples)(examples)•Druck pDruck p pressurepressure•Kraft FKraft F forceforce•Fläche AFläche A areaarea•Arbeit WArbeit W workwork•Leistung PLeistung P powerpower•Zeit tZeit t time time •Rauminhalt VRauminhalt V volumevolume

Pneumatic componentsPneumatic componentsDruckluftanschlussDruckluftanschluss - connection with - connection with

compressed aircompressed air

einfach wirkender einfach wirkender ZylinderZylinder -single acting -single acting cylindercylinder

doppelt wirkender doppelt wirkender ZylinderZylinder -twofold acting -twofold acting cylindercylinder

2/2-Wege-Ventil2/2-Wege-Ventil -2/2-way valve-2/2-way valve

3/2-Wege-Ventil3/2-Wege-Ventil -3/2-way valve-3/2-way valve

4/2-Wege-Ventil4/2-Wege-Ventil -4/2-way valve-4/2-way valve

5/2-Wege-Ventil5/2-Wege-Ventil -5/2-way valve-5/2-way valve

Zwei-Druck-VentilZwei-Druck-Ventil -dual-pressure -dual-pressure

valvevalve

Wechsel-VentilWechsel-Ventil -shuttle valve -shuttle valve

Schnellentlüftungs-Schnellentlüftungs- -quick -quick exhaust-/exhaust-/

VentilVentil ventilation- ventilation- valve valve

Drosselrückschlag-Drosselrückschlag-VentilVentil -relief valve-relief valve

Zeitverzögerungs-Zeitverzögerungs- -time delay-time delay

VentilVentil valvevalve

In der Pneumatik In der Pneumatik gibt es gibt es verschiedene verschiedene Betätigungsarten Betätigungsarten um Ventile um Ventile anzusteuern.anzusteuern.

mechanischmechanisch pneumatisch/ pneumatisch/

elektrischelektrisch per Muskelkraftper Muskelkraft

In the pneumatics In the pneumatics there are several there are several possibilities to possibilities to operate valves.operate valves.

mechanicalmechanical pneumatic/ pneumatic/

electric electric by muscle-powerby muscle-power

A pneumatic circuitA pneumatic circuitEin pneumatischer SchaltkreisEin pneumatischer Schaltkreis

The cylinders 1A1 The cylinders 1A1 and 2A1 are and 2A1 are retracted in the retracted in the initial position. initial position. In In the initial the initial position, 1A1 position, 1A1 switches the limit switches the limit switch 1S1, while switch 1S1, while 2A1 switches the 2A1 switches the limit switch 2S1. limit switch 2S1. Pressure is Pressure is applied to the air applied to the air supply line II. supply line II. Pressure is Pressure is present at a present at a single port of single port of each of the two each of the two dual-pressure dual-pressure valves 0V3 and valves 0V3 and 0V4. The dual-0V4. The dual-pressure valve pressure valve 1V2 is switched.1V2 is switched.

After operating After operating the pushbutton the pushbutton 1S3…1S3…

……pressure is pressure is present at both present at both ports of 0V4.ports of 0V4.

0V4 switches 0V4 switches throught,…throught,…

……0V3 switches 0V3 switches throught and throught and switches 0V1 at switches 0V1 at port 14.port 14.

By that, pressure By that, pressure is taken from is taken from supply line II and supply line II and supply line I supply line I becomes filled becomes filled with pressure. with pressure. The dual-The dual-pressure valves pressure valves 0V5 and 2V2 0V5 and 2V2 become, each at become, each at a single port, a single port, supplied with supplied with pressure.pressure.

1V1 becomes 1V1 becomes switched at port switched at port 14,…14,…

……1A1 extends,…1A1 extends,…

……actuates 1S2…actuates 1S2…

which causes the which causes the valve 2V2 to valve 2V2 to switch throught.switch throught.

2V1 becomes 2V1 becomes actuated at port actuated at port 12…12…

……which causes which causes 2A1 to extend.2A1 to extend.

2S2 becomes 2S2 becomes switched…switched…

……and switches and switches 0V5 throught 0V5 throught which actuates which actuates 0V1 at port 12.0V1 at port 12.

Pressure is taken Pressure is taken again from again from supply line I and supply line I and supply line II supply line II becomes filled becomes filled with pressure…with pressure…

which actuates which actuates 2V1 at port 12.2V1 at port 12.

2A1 retracts…2A1 retracts…

… … and actuates and actuates 2S1.2S1.

The dual-The dual-pressure valve pressure valve 1V2 becomes 1V2 becomes supplied with supplied with pressure by pressure by supply line II and supply line II and 2S1…2S1…

……switsches switsches throught and throught and actuates 1V1 at actuates 1V1 at port 12.port 12.

1A1 retracts.1A1 retracts.

The circuit The circuit returns..returns..

……to the initial to the initial positionposition

Thanks for your attentionThanks for your attention

The EndThe End