CONTEXT
A Tunnel Boring Machine (TBM) also known as a mole is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata. They can bore through anything from hard rock to sand. Tunnel diameters can range from a metre (done with micro-TBMs) to almost 16 metres to date. Tunnels of less than a metre or so in diameter are typically done using trenchless construction methods or horizontal directional drilling rather than TBMs.
Tunnel boring machines are used as an alter ....etc

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I want jig boaring ppt.for my material tool technology presentation ....etc

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sir i like this topic for my final year project..
Can you send me all the details about this project and also the cost estimation..
please help me.. ....etc

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hi , this is samurai007 and i would like to get a detailed presentation on the topic TUNNEL BORING MACHINE. I need to give a powerpoint presentation on a mechanical related topic and i think this topic fulfills my needs.
Please cover following topics-
1. working
2. applications fields (elaborate)
3. advantages and disadvantages
4. latest developments
5. comparison with old traditional methods. etc.

I am expecting a detailed presentation or an elaborate content (must include pictures)

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literature review for indexing jig

Abstract

In the context of the advanced technology engineers and scientists have visualized and conceptualized many designs and success of their designs and concepts is the materialization of their designs. In short it can be said that production and manufacturing units consummate the design process. Thus the industry which gives shape to a theoretical design is a very potential and influential element in the technological development. The main objective of using jigs and fixtures in an industry is to achiev ....etc

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To get full information or details of literature survey for pneumatic drill jig please have a look on the pages

http://seminarsprojects.net/Thread-fabrication-of-drill-jig?pid=14182

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Jig-Boring Machine
a metal-cutting machine for finishing holes, planes, and slots with a highly precise location of centers or surfaces without the use of special attachments for tool alignment.
Jig-boring machines are used for boring, drilling, counter-sinking, reaming, milling, and other types of finishing in individual and small-scale production during the manufacture of cutting and measuring tools, jigs, dies, and key components of machines and instruments. Devices with stable and adjustable end gauges and indicator sensing units are use ....etc

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