The spring-mass system is designed for observing the simple harmonic motion of the mass placed on the spring, measuring the period of sinusoidal movements and comparing them with the theory at the natural frequencies. It can be used to understand the forced vibration that an external force at a certain frequency is applied to the system. SMS-700 is an experimental device to measure motion patterns at natural frequencies and near natural frequencies and to understand what happens when the system is exactly in the natural frequency.

Detailed Description

• Forced Vibration system on spring-mass
• Single degree of freedom system implementation
• Natural frequency can be changed by increasing mass
• Natural frequency changes with different spring stiffness
• Lateral vibration prevention
• Achieve pure vertical vibration
• Learning the characteristics of spring-mass system at natural frequency
• Calculation of natural frequencies according to spring stiffness and mass
• Measurement of changes in natural frequency with increasing or decreasing mass
• Calculation of spring stiffness and mass at natural frequencies
• Observation of the vibration at or above/below natural frequency
• Amplitude measurement from external force and the vibration of mass (FRF measurement)
• Learning of phase measurement from external force to the vibration of mass
• Learning of free damping oscillations
• Measurement of attenuation (damping)
Electromagnetic Shaker WSK-40
Rated force Sine : 40N, Random noise: 35N
Frequency range 5Hz – 5000Hz
Rated current 3.5A
Nominal impedance
Effective mass of amateur 150 gram
Max. acceleration Sine: 200m/s2, Random: 100m/s2
Max. velocity 1.5m/s
Max. displacement 10mm Pk-Pk
Power Amplifier WPA-1100
No of channels 2 channels
RMS Power 100W x2 max. 200W x 2 (2W load)
Min. coil impedance 2W
THD 0.01%
Frequency range 10Hz – 20kHz
Signal Generator GFG-8020H
Amplitude >20Vp-p (Open voltage )
>10Vp-p (50Ω Load)
Impedance 50Ω±10%
Display 4 digit LED Display
Frequency range 0.2Hz – 2MHz 7 Steps
Supply voltage AC100V/120V/220V/230V±10%, 50/60Hz
Environmental and physical characteristics
Power consumption Less than 200W
Ambient temperature 0~50°C
Size 1800(W) x 900(D) x 1600(H)mm
Weight 100 kg (including testing material)