Free and Forced Vibration Apparatus
Categories: Engineering Lab EquipmentDescription: All set-ups of this experimental unit on the theory of vibrations are rapidly and securely assembled on a double profile frame made of aluminium using slot nuts and clamping levers....
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Description
Description:
All set-ups of this experimental
unit on the theory of vibrations are rapidly and securely assembled on a double
profile frame made of aluminium using slot nuts and clamping levers. The
oscillator consists of a beam mounted in ball bearings at one end; a helical
spring is hung on the other end of the beam. The attachment of springs, the
exciter and a damper to a perforated panel permits a wide range of different
set-ups to be reproduced. Either an unbalance exciter or a displacement exciter
generate vibrations; the frequency of the vibrations can be adjusted using the
electronic control unit. The displacement exciter can be fitted directly to the
base of the spring. The vibrations can be damped using the adjustable viscosity
damper. To record vibration processes over time, a mechanical drum plotter is
included. The experiment also includes an amplitude contact with a TTL output,
e.g. for triggering stroboscopes.
Specification:
1. Basics of mechanical vibration,
natural damped and forced vibrations
2. Bar-type oscillator
3. Three helical springs
4. Unbalance exciter with DC
motor, 0,77kg
5. Displacement exciter with DC
motor
6. Electronic control unit with
digital display, exciter frequency adjustable
7. Oil-filled damper
8. Electrically driven drum
recorder
9. Amplitude meter with electric
contact for triggering equipment
10 Storage system to house the
components
Technical Data:
-Bar-type oscillator: LxWxH:
700x25x12mm, 1,6kg
Helical springs
– 0,75N/mm
– 1,5N/mm
– 3,0N/mm
Exciter frequency: 0…50Hz,
electronically controlled
Unbalance of the unbalance
exciter: 0…1000mmg
Stroke of the displacement
exciter: 20mm
Damper constant: 5…15Ns/m,
oil-filled
Mechanical chart recorder
– feed: 20mm/s
– paper width: 100mm
quick overview :
Description:
All set-ups of this experimental
unit on the theory of vibrations are rapidly and securely assembled on a double
profile frame made of aluminium using slot nuts and clamping levers. The
oscillator consists of a beam mounted in ball bearings at one end; a helical
spring is hung on the other end of the beam. The attachment of springs, the
exciter and a damper to a perforated panel permits a wide range of different
set-ups to be reproduced. Either an unbalance exciter or a displacement exciter
generate vibrations; the frequency of the vibrations can be adjusted using the
electronic control unit. The displacement exciter can be fitted directly to the
base of the spring. The vibrations can be damped using the adjustable viscosity
damper. To record vibration processes over time, a mechanical drum plotter is
included. The experiment also includes an amplitude contact with a TTL output,
e.g. for triggering stroboscopes.
Specification:
1. Basics of mechanical vibration,
natural damped and forced vibrations
2. Bar-type oscillator
3. Three helical springs
4. Unbalance exciter with DC
motor, 0,77kg
5. Displacement exciter with DC
motor
6. Electronic control unit with
digital display, exciter frequency adjustable
7. Oil-filled damper
8. Electrically driven drum
recorder
9. Amplitude meter with electric
contact for triggering equipment
10 Storage system to house the
components
Technical Data:
-Bar-type oscillator: LxWxH:
700x25x12mm, 1,6kg
Helical springs
– 0,75N/mm
– 1,5N/mm
– 3,0N/mm
Exciter frequency: 0…50Hz,
electronically controlled
Unbalance of the unbalance
exciter: 0…1000mmg
Stroke of the displacement
exciter: 20mm
Damper constant: 5…15Ns/m,
oil-filled
Mechanical chart recorder
– feed: 20mm/s
– paper width: 100mm
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