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orbital welding ppt free download

Orbital welding first found use in the 1960 s when the aerospace industry recognized the need for a superior joining technique for aircraft hydrolic lines. The solution: a mechanism to rotate a welding arc from a tungsten electrode around a tube-weld joint. Regulating weld current with a control system automated the entire process. The result was a more precise, reliable method than manual welding.

Purpose

To provide leak proof joint between Tube to Tube sheet in Condenser in addition to Forced expansion. ....etc

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1)abstract
2)introduction
3)classification
4)procedure
5)working&its image
6)advantage&disadvantage
7)application
8)conclution
9)reference websites. ....etc

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Orbital welding became practical for many industries in the early 1980 s when combination power supply /control systems were developed that operated from 110 VAC and were physically small enough to be carried from place to place on a construction site for multiple in ?place welds. Modern day orbital welding systems offer computer control where welding parameters for a variety of applications can be stored in memory and called up when needed for a specific application. The skills of a certified welder are thus built into the welding system, prod ....etc

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free download underwater welding seminar ppt

Underwater Welding

Welding is an unavoidable process of modern engineering ? civil, electrical, mechanical, automobiles, marine aeronautical ? in all branches. It is used in fabrications and erections in infrastructures and installations. It joins metals or thermoplastics. Forming a pool of molten mass ? the weld puddle ? and allowing it to cool to become a strong joint is the basis of the process of welding. For repairing to be carried out underwater, there is a separate process. That is called un ....etc

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To get full information or details of orbital welding ppt please have a look on the pages

http://seminarsprojects.net/Thread-orbital-welding?pid=74

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Orbital welding

Orbital welding is a specialized area of welding whereby the arc is rotated mechanically through 360 (180 degrees in double up welding) around a static workpiece, an object such as a pipe, in a continuous process. The process was developed to addresses the ....etc

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pdf of orbital transmission system

ABSTRACT
An orbital transmission comprising an input element connected to a first power source, a control element connected to a second power source and an output element connected to the control element whereby rotational power is transmitted by an orbiting gear in the output element. The orbital transmission functions based on the relationship of the speed of the orbit of the orbiting gear and the speed of rotation of the input shaft. When the orbiting gear makes one complete orbit in the same time that the ....etc

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