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Duty cycle
The concept of duty cycle is to be clearly understood before operating any machine. Unlike the arc welding power sources, the resistance welding power sources are designated for 1 minute integrating period. Suppose a machine is rated for 50 % duty cycle, it means that after operating the machine for ½ min. at full load, the machine has to be cooled for the next ½ min. The duty cycle at loads different to the full load can be calculated from the formula.Duty cycle at Y kVA = (rated kVA / Y kVA) x rated KVAThis formula is applicable straight in the case of under loads but while overloading, we should not overlook the constraint imposed by the maximum capacities of the circuit elements e.g. diodes, contacts, etc., though the machine is going to be overloaded to that extent only for a very brief period allowed by this formula. In effect, this formula takes care of the heating of the winding only.
Feeler Gauge: It is used to measure minor clearances. Feeler gauges come in set of a few blades of different thickness as shown in Figure. It is used to measure the spark plug gap
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Hi there. I am stuck on a problem. I am working out the section of 2 beams for the floor of an elevator. Thus far the critical conditions are made up of a beam that is 1.8m long
Q. What do you mean by Rigid bed models? Models with rigid boundary and geometrically similar form are used in studies connected with outlet works, stilling basins, spillways
Processing Sequence for Manufacturing Coupling Nut Referring to the Figure 12 below, we now illustrate the processing sequence for manufacturing coupling nut.
Boundedness, Reversibility, Liveliness, Deadlock, And Synchronization Characteristics With Their Uses We previously introduced the conception of reversibility, liveliness, and
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Internal and external diameters - solid shaft: Two shafts are of the similar material, length & weight. One is solid & of 100 mm diameter, the outer is hollow. If hollow shaft
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