Definition
Micro-electromechanical systems (MEMS) is a technology that combines computers with tiny mechanical devices such as sensors, valves, gears, mirrors, and actuators embedded in semiconductor chips.




Overview
MEMS are already used as accelerometers in automobile air-bags. They've replaced a less reliable device at lower cost and show promise of being able to inflate a bag not only on the basis of sensed deceleration but also on the basis of the size of the person they are protecting. Basically, a MEMS device contains micro-cir ....etc

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Electro Discharge Machining


The unconventional method of several specific advantages over conventional methods of machining and these promise formidable tasks to be undertaken and set a new recording in the manufacturing technology. EDM is one such machining process, which has been immense help to the manufacturing process engineers to produce intricate shapes on any conducting metal and alloy irrespective of its hardness and toughness.


CLASSIFICATION

1. Contact initiated discharge
2. Spark initiated discharge
3. Electrolytic dis ....etc

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Manufacturing of the intricate machines has taken a new dimension with the introduction of the innovative process of chemical, electrical and mechanical methods. Electrochemical machining (ECM) is a groundbreaking technology, for the development of complicated machines. ....etc

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electonic discharge machining with full ppt and report... ....etc

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definition and working of CHM(chemical mAChining process) ....etc

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I am diploma student of 5thsem, i want to give a seminar in college, i want good topics for seminars, give me ECM and LBM details and ,,if that not then give details about IC engine ....i need it ....etc

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ABSTRACT
Brake performance can be divided into two distinct classes:1) Base brake performance2) Controlled brake performance.A base brake event can be described as a normal or typical stop in which the driver maintains the vehicle in its intended direction at a controlled deceleration level that does not closely approach wheel lock. All other braking events where additional intervention may be necessary, such as wheel brake pressure control to prevent lock-up, application of a wheel brake to transfer torque across an open differential, or appl ....etc

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MANUFACTURING THROUGH ELECTRO CHEMICAL MACHINING




ABSTRACT:

The machining of complex shaped designs was difficult earlier, but with the advent of the new machining processes incorporating in it chemical, electrical & mechanical processes manufacturing has redefined itself. This paper intends to deal with one of the revolutionary process called Electro Chemical Machining (ECM).

INTRODUCTION:

Electro chemical machining (ECM) is the controlled removal of metal ....etc

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The unconventional method of several specific advantages over conventional methods of machining and these promise formidable tasks to be undertaken and set a new recording in the manufacturing technology. EDM is one such machining process, which has been immense help to the manufacturing process engineers to produce intricate shapes on any conducting metal and alloy irrespective of its hardness and toughness.


CLASSIFICATION

1. Contact initiated discharge
2. Spark initiated discharge
3. Electrolytic discharge

ADVANTAGES

1. The pr ....etc

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Micro-electro Mechanical Systems (MEMS)

Introduction
The satellite industry could experience its biggest revolution since it joined the ranks of commerce, thanks to some of the smallest machines in existence. Researchers are performing experiments designed to convince the aerospace industry that microelectromechanical systems (MEMS) could open the door to low-cost, high-reliability, mass-produced satellites.MEMS combine conventional semiconductor electronics with beams, gears, levers, switches, accelerometers, diaphragms, microfluidic thrus ....etc

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