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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.
Occupational Safety Acts The occupational safety Acts are intended to cover every employees (even if single) and all kinds of employers from manufacturing and construction to
List out the Types of fixtures? Milling fixtures Lathe fixtures. Grinding fixtures Broaching fixtures Assembly fixtures Inspection fixtures Boring f
Find the tension in the thread: A thread is wound round a heavy homogeneous cylinder of mass m and radius. The cylinder is permitted to fall from rest and unwinds the thread.
What is a difference between the steady state conditions and the thermal equilibrium state? In steady state condition, temperatures are constant although heat transfer is taking
What are the forces coming on workpiece during turning and how workpiece should be clamp?
A double shoe brake as shown in the figure is capable of absorbing a torque of 1400 N-m. The diameter of the brake drum is 350mm and the angle of contact of each shoe is 100°. If t
The following observations were made during a tensile test on mild steel specimen 60 mm in diameter and X mm long. Elongation with 50 KN load (within the limit of proportionality)
Induction Pressure Welding In this process, the current is induced by high frequency induction process in the job. Due to electrical induction the job is heated. When a suitabl
CLASSIFICATION OF ELECTRODES The classification system used in the specification AWS A 5.1 which is for carbon steel electrodes follows established pattern for AWS filler metal s
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