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Welding HeadSubmerged arc welding head consists of the wire spool, wire feed system, flux delivery hopper and electrical contact nozzle. The electrode wire is unwound from the spool by the power driven rolls, straightened by a set of pressure rolls and fed through the contact nozzle into the weld pool. The drive for wire feed is from a motor with speed control provided either by means of a gear box or by means of thyristor controls.
Step s for Solving Problem for Finding Maximum Power: 1. Use formula stress (σ) = force (Maximum Tension)/Area Where; Area = b.t that is, T max = σ.b.t 2. Unit mass (
NEED FOR ELECTRON BEAM WELDING(EBW) PROCESS The major advantage resulting from the use of a vacuum environment with a working pressure of from 10 -5 to 10 -3 mbar is esp
1) State five factors that must be considered when choosing a material. Discuss the importance to the engineer of each of these factors. 2) An engineer is planning to design a s
Diamond Crossing: Two tracks crossing one another is known as a diamond crossing. The component of a Diamond Crossing are indicated in Figure. Figure: Diamond Cross
a steel bar is
(a) For a given material show that the ratio of moment of resistance of a square beam when section is placed with horizontal and vertical sides 41.5%. stronger than the same sectio
Power metallurgy is much faster production whereas holding closer sizes.
Calculate diameter of shaft in maximum direct stress: A shaft is designed for transmitting 100 kW power at 150 rotation per minute. Shaft is supported in bearings 3 m apart a
Explain about the pedestals as construction engineering. Introduction of pedestals enables the construction engineers to make up levels to supply larger bearing areas to the fo
Paved Dips: Paved dips, also known as bed level causeways, are structures consisting of gentle and shallow depressions in the road where the water is allowed to flow over the
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