Stereolithography

Stereolithography, also known as 3-D layering or 3-D printing, allows you to create solid, plastic, three-dimensional (3-D) objects from CAD drawings in a matter of hours. Whether you are a mechanical engineer wanting to verify the fit of a part or an inventor looking to create a plastic prototype of an invention, stereolithography gives you a fast, easy way to turn CAD drawings into real objects.

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ABSTRACT
A simple process to construct 3D rapid prototyping (RP) physical models for computer tomography (CT) medical images segmentation is presented by this article. The conversion of CT images to an RP model is made simpler by the use of stereolithography (STL) triangular meshes as a basis for RP construction. The STL triangular meshes are constructed directly from the data points without first converting them to curve model in the beginning. a 3D
physical model of the medical image is easily constructed once this is done. ....etc

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STEREOLITHOGRAPHY CURE PROCESS MODELING


INTRODUCTION
In this chapter, the stereolithography (SL) technology is introduced, the objective of
this work is addressed, and the strategy to achieve the goal is demonstrated.

Introduction to Stereolithography
Stereolithography is currently the most widely used process in the rapid prototyping
and manufacturing (RP&M) field. It translates computer aided designs (CAD) into solid
objects through a combination of laser, photoch ....etc

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The gasoline-powered internal combustion engine has seen more improvement in the last five years than in the last twenty, Quieter timing chain technology, direct fuel injection, and variable intake and exhaust valve timing, among others, have led to better fuel efficiency and reduced emissions.

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INTRODUCTION
Rapid prototyping automates the fabrication of a prototype part from a three- dimensional (3D) CAD drawing. This physical model conveys more complete information about the product earlier in the development cycle. The turnaround time for a typical rapid prototype part can take a few days. Conventional prototyping may take weeks or even months, depending on the method used. Rapid prototyping can be quicker more cost effective means of building prototypes as opposed to conventional methods.
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Abstract

Cost effective solar power can be the answer for all our energy needs. Solar powered smart irrigation systems are the answer to the Indian farmer. This system consists of solar powered water pump along with an automatic water flow control using a moisture sensor. It is the proposed solution for the present energy crisis for the Indian farmers. This system conserves electricity by reducing the usage of grid power and conserves water by reducing water losses.

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An ideal artificial hand should match the requirements of prosthetics and humanoid robotics.

It can be wearable by the user which means that it can be perceived as part of the natural body and should replicate sensory-motor capabilities of the natural hand. However ,such an ideal bionic prosthesis is still far from reality.

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