Assignment 1-pneu

UNIVERSITI TUN HUSSEIN ONN MALAYSIA 86400 Parit Raja, Batu Pahat, Johor Darul Ta’zim. http://www.uthm.edu.my

Fakulti Kejuruteraan Mekanikal dan Pembuatan MECHANICAL ENGINEERING PRACTICE II (BDA 1811) Assignment 1 1. What are the advantages and limitations of pneumatic system? 2. With the aid of sketches, draw the symbols for valves and indicates its practical applications in a manufacturing industry • Pressure regulating valve • 4/2 directional control valve, double pilot operated • Quick exhaust valve with silencer • Time delay valve • Shuttle valve 3. A cylinder is used to transfer parts from a magazine. If either a pushbutton or a foot pedal is operated, the cylinder has to extend. Once the cylinder is fully extended, it is to retract to the initial position. A 3/2 way roller lever valve is to detect the full extension of the cylinder.

Submission date: Before/on Thursday, 23rd July 2009

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