MGM's COLLEGE OF ENGINEERING AND TECHNOLOGY,

Kamothe, Navi-Mumbai

MECHANICAL ENGINEERING DEPARTMENT

2014-15 EVEN SEMSTER

Class: T.E. (Mechanical Engineering)Subject: Mechatronics

Assignment 31. Solve the following:a) Explain the working principal of Harmonic drive with neat sketch.

b) Explain the working principal of Comb drive with neat sketch.

c) Explain the working principal of piezoelectric drive with neat sketch.

d) Write in brief the selection criteria of actuator. 2. Solve the following:

a) Explain meter in circuit with neat sketch

b) Explain meter out circuit with neat sketch

c) Explain the working of double acting cylinder and single acting spring return cylinder.

3. Solve the following:a) Explain accumulator with neat sketch

b) Explain with neat sketch the pressure sequence valve.

c) Draw the pneumatic circuit for single acting cylinder using 3/2 DCV

d) 4. Solve the following:a) Draw the pneumatic circuit for DAC for single cycle and multi cycle.

b) Draw the pneumatic circuit for DAC. When an input signal is given the piston moves forward reaches extreme position and returns automatically. Next cycle is commended only when the previous cycle is completed.

c) Draw pneumatic circuit for the sequence.A+ B+ A- B-

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