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Free Vibration Of Beam Spring
Free Vibration Of Beam Spring (Product Code: SLE/ETM/05) is a one-degree-of-freedom vibration experiment used to study how a rigid beam, pivoted at one end and hung from a coiled spring at the other, oscillates in theory of machines laboratories. It mounts on the Free Vibrations Test Frame through a back panel carrying self-aligning pivot bearings and a non-contacting displacement sensor, so oscillations are measured with negligible damping. It is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM vocational training lab equipment manufacturer in India, at its own factory in Ambala.
Key Details
| Parameter | Detail |
|---|---|
| System | Simple one-degree-of-freedom free vibration system |
| Beam | Rigid beam pivoted at its left-hand end; right-hand end suspended by a coiled spring |
| Pivot | High-quality self-aligning bearings allowing the beam to rotate through a small angle |
| Sensor | Non-contacting displacement sensor measuring oscillations at the right-hand end with negligible damping, while helping to guide the movement |
| Back panel | Fixes to the Test Frame; holds the pivot and the sensor |
| Topics | Moment of inertia; oscillation damping; spring constant and Hooke’s Law; simple harmonic motion and frequency of oscillation; phase difference between displacement and its derivatives |
| Real-world link | The beam-and-spring system appears in machines and vehicle suspensions |
| Product code | SLE/ETM/05 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Beam Spring Vibration Experiment Used For?
The beam, pivot and spring form the same arrangement found in many machines and in vehicle suspensions, reduced to a single degree of freedom that students can analyse by hand. They can determine the spring constant by static loading to confirm Hooke’s Law, work out the beam’s moment of inertia about the pivot and predict its natural frequency. Displacing the free end and releasing it lets the non-contacting sensor record the oscillation, so the measured frequency can be checked against the prediction.
Because the sensor does not touch the beam, inherent damping is negligible, which makes any added damping easy to see; fitting the separate Damper Kit beneath the beam extends the study to damped motion. The recorded trace also shows the phase difference between displacement and its derivatives, velocity and acceleration, linking the experiment to simple harmonic motion theory. It is a compact piece of mechanics lab equipment in India for dynamics and vibrations courses.
What to Specify When Ordering
- The Free Vibrations Test Frame, if not already in your laboratory (the experiment fixes to it)
- The Damper Kit, if damped vibration is part of your syllabus
- Number of sets per laboratory
OEM Manufacturer
Jain Scientific Equipments Private Limited, trading as ScienceLab, is the original equipment manufacturer (OEM) of this beam-spring vibration experiment and produces it at its own licensed factory at Saha, Ambala, Haryana, India. Engineering colleges, universities and polytechnics order it factory-direct, often as one of several free vibration experiments sharing a single test frame, and dealers and importers source it from the manufacturer in the same way.
Spare springs, additional sets or matching experiments can be discussed directly with the maker — ask us. More about the company is on the ScienceLab profile page.
Related Theory of Machines Equipment
Items that complete or extend this free vibration study:
- Free Vibrations Test Frame — the bench frame this experiment fixes to.
- Damper Kit — adds dashpot damping beneath the beam.
- Free Vibrations Of A Cantilever — a companion experiment where beam stiffness replaces the spring.
- Free and Forced Vibration Apparatus — takes the study on to forced vibration and resonance.
Find more apparatus in the Theory of Machines category.
Frequently Asked Questions
What does the Free Vibration Of Beam Spring experiment demonstrate?
The Free Vibration Of Beam Spring experiment demonstrates free vibration of a one-degree-of-freedom system: a rigid beam pivoted at one end and suspended by a coiled spring at the other, an arrangement also found in machines and vehicle suspensions.
How are the oscillations measured?
A non-contacting displacement sensor on the back panel measures the oscillations at the right-hand end of the beam. Because it never touches the beam, the Free Vibration Of Beam Spring experiment runs with negligible damping from the measurement.
Which topics does the experiment cover?
The Free Vibration Of Beam Spring experiment covers moment of inertia, oscillation damping, spring constant and Hooke’s Law, simple harmonic motion and frequency of oscillation, and the phase difference between displacement and its derivatives.
Does it need the Free Vibrations Test Frame?
Yes. The Free Vibration Of Beam Spring experiment has a back panel that fixes to the Free Vibrations Test Frame, which holds it steady and level. Order the frame as well if your laboratory does not already have one.
Who manufactures the Free Vibration Of Beam Spring experiment?
The Free Vibration Of Beam Spring experiment is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), the OEM, at its own licensed factory in Saha, Ambala, Haryana, India, and supplied factory-direct to institutions in India and international markets.
What does a quotation request need?
For a Free Vibration Of Beam Spring quotation, give the number of sets, whether the Test Frame and Damper Kit are needed, and the delivery location. The manufacturer quotes directly through the contact page or the enquiry cart.
Request a Quote
For a manufacturer-direct price on the Free Vibration Of Beam Spring experiment, write through the contact page or add it to the enquiry cart with the test frame and any other vibration experiments.
Last updated: 24 September 2026
