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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.
Explain the uses of Pier and Well Foundations Well foundations are used to transmit large loads from piers of bridges and other marine structures. These are constructions carr
(a) Illustrate Kinematics Links, Chin, Mechanism and Pair with their classification and examples. (b) Compare between structure and Machine.
what is the health effects of ultraviolet ray on the eyes of welders
Parts of Aircraft The main parts of an aircraft are (Figure): (a) Engine, which propels the aircraft; the aircraft may have jet engines or propeller driving engines. (b
EQUIPMENT USED IN EBW The electron beam equipment can be broadly divided in to the following sub systems. Electron Gun and Beam Guidance System The heart of the electron be
Find out maximum stress and elongation of the bar: A rectangular bar having uniform cross-section of 4 cm × 2.5 cm and of length 2 m is hanging vertically from rigid support.
Figure : Left Side View of a Motorcycle Part No. Name Functions 1 Fuel cock Used to open or close the
ARC INITIATION Touch Start With the power supply energised and the shielding gas flowing through the cup, the torch is lowered toward the workpiece until the tungsten electr
Discover the fixing torques set up at the ends of the shaft: A solid shaft 6.5 m long is securely fixed at each of the end. A torque of 91 Nm is applied to the shaft at a sect
I have a project due in 20 hours and I need help please.
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