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SUBMERGED ARC WELDING-Set UpSubmerged arc welding system consists of the following basic modules:1. Welding head2. Power source3. Flux feeding and recovery unitsSchematic diagram of submerged arc welding is shown in Fig., arc cavity, weld metal and molten slag locations are illustrated in a cross section of SAW process. General arrangement of submerged arc welding is given in Fig. Continuous wire feeding, flux delivery and power source connections are shown in this diagram.
Linear Sweep In linear sweep, the path is a linear or circular vector described by a linear, most often parametric. Linear sweep can be divided into translational and rotationa
WELD DEFECTS The common defects encountered in submerged arc welding are: a. Slag inclusion b. Porosity c. Cracking of welds. a). Slag Inclusion : Slag in
A converging elbow (see Figure 4) turns water through an angle of 135 o in a vertical plane. The flow cross-section diameter is 400 mm at the elbow inlet, section (1), and 200 mm
It is estimated that the average number of surface defects in 20 square meter of paper produced by process is 3.what is probability of finding number more than 2 defects in 40 squa
EQUIPMENT FOR RESISTANCE WELDING The equipment for resistance welding is different from that for arc welding for the following reasons: Resistance welding machines are complica
Masonry Arch Culverts: Brick or stone masonry arches were very popular forms for culverts till recently. The disadvantage with this form is the unavoidable humps in the longi
Obtain the equations of the elastic curve and use them to determine the deflection and rotation at point B in terms of E, I, F and L.
sensitivity of governors
Express the force in vector form: A force of 400 N forms angles of 45 o , 65 o and 120 o , respectively, along with the x, y and z axes. Express the force in vector form.
Coil: A coil is used in ignition system to increase the voltage supplied by the battery or magneto. Coil
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