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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.
Features of the Schem: Features of the scheme are as follows : DIC is the primary registering centre. Registration is voluntary and not compulsory. Two types of
THE WELDING ARC The heat that is developed at the cathode and anode of an arc discharge is able to melt most of the metals and alloys. Hence, the arc is used as an intense heat
Determine the value of maximum bending moment: Draw the shear force & bending moment diagrams for the beam overhanging on both of sides as illustrated in Figure. Determine the
MANDATORY CHECKS DURING THE FIRST SIX SERVICES Various steps in servicing of motorcycle are given below in a tabular form. 2.3.1 First Service and Second Ser
FLUX SHIELDED ARC WELDING This process is popularly known as Submerged Arc Welding (SAW).This is a fully mechanised welding process. The electrode is a continuous metallic sol
GENERAL FACTORS BEHIND ACCIDENT: Following are the factors, which may cause accidents in workshop, so we should take care of these factors: Insufficient light and ventilati
vr1=vr2 why???
Evaluate stress induced in rod: The two copper rods and one steel rod lie in vertical plane and support load of 50kN together as shown in figure given below. Each rod is 25 m
Determine magnitude of the couple: A square block having each side 1.5 m is acted upon by system of forces along its sides as shown in the adjoining figure. If system reduces
design considerations
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