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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.
Heat Treatment and Surface Treatment Processes Heat treatment processes are employed to improve of a work piece. The category includes the processes. Annealing, Normalizing,
Dear Sir, I wish to know the equation for finding the resultant of the axial stress and bending stress for beams. Can you please help me. thanx in advance, Krishna.
Metals and Melting Practices - Ladle, Limestone,Ore,Sinter Ladle : A big bucket utilized as a carrier for molten metal. Limestone : A Blast Furnace raw material that elimi
can the superheat be in percentage?
Compare the hardenability of Ferrous Alloys vs Non-Ferrous Alloys
D i f fe r enc e between components and resolved parts: 1. When the force is resolved into two parts along the two mutually perpendicular directions, the parts along th
Q. What do you know about Direct welds? It is a welding method in which one or more electrodes oppose each other, contacting both sides of the work and with the current passing
Kinetics: Define Kinetics. What is plane motion? Sol: Kinetics is that branch of mechanics, which deals with force system that produces acceleration and resulting motio
difference between pinhole and porosity
What are objectives of the footings? Objectives of the footings: After studying this unit, you should be able to: a. Know different types of footings and the situation wh
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