Servo-electric dynamic test machines

Similar to servo-hydraulic test machines, the servo-electric dynamic test frames are also with closed loop controllers and capabable of performing all kinds of tests as in former. The difference, however, being the closed loop DC servo-motor that makes the system suitable for long term operations. NML has 2 Nos of 10 T servo-electric dynamic machines with all accessories and high temperature (upto 900oC) and environmental chamber (300oC to -150oC). Due to its long-term operational capabilities, the system is very useful for studying, creep-fracture interaction, corrosion fatigue crack growth studies, low cycle fatigue or any such tests that involves long test duration and/or require low frequency cycling