Torsional vibration apparatus mass: approx. 2.7kg,
SPECIFICATION
- benchtop unit for investigating torsional vibration and torsional stiffness,
- consisting of: bearing units, mounted on ball bearings, moveable on a base frAMe,
- fitted with chucks as receptacles for torsion bar, fitted with 3 hole flanges as receptacle for mass discs,
- fitted with potentiometric sensors for twisting angle.
- Measuring system for twisting angle, electrically conducting plastics potentiometer,
- measuring range: 0…320° resistance: 5kohm.
- Steel torsion bar: stiffness: approx. 1.0nm/rad/m,
- diAMeter: 6mm,
- length: 1300mm,
- material: stainless steel;
- mass discs: with 3 holes for fastening,
- 3x disc: diAMeter: 150mm,
- material: steel,
- mass: approx. 2.7kg,
- 1x disc diAMeter: 230mm,
- material: steel,
- mass: approx. 4.8kg,
- to be provided with channel round circumference for cord of loading mechanism.
- Exciter with driving crank, frequency range 0...20hz, excitation AMplitudes 1.4°, 1.8°, 2.4°,
- drive controlled dc motor nominal power: 36w, power supply and frequency setting by electronic control unit with Potentiometer for exciter, lcd (8 digits) for frequency of exciter, 4x2 laboratory sockets to provide with the twisting angle signals, zero position of signals to be adjusted by potentiometers
- DAMper: sealed oil dAMper,
- dAMper coefficient: 0.25...3.5nm/rad/s
- Loading mechanism for generation of torque: set of weights: 1 base weight, 1n, 2 weights, 2n, 3 weights, 5n
- Small reel (inner diAMeter: 9mm);
- aluminium base frAMe with rubber feet;
- bearing units fixed with movable quick-action clAMping levers into the frAMe;
- allan key: af 4. Pc data acquisition and evaluation software included.
- Power supply 230v, 50/60hz. w x d x h ±1400 x 410 x 400 mm;
- english operation / instruction manual potentiometer for exciter, lcd (8 digits) for frequency of exciter, 4x2 laboratory sockets to provide with the twisting angle signals,
- zero position of signals to be adjusted by potentiometers Standard pc with windows 2000/xp
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