Free & Forced Vibration Apparatus | Vibrano X – 08
The Free & Forced Vibration Apparatus – Vibrano X – 08 covers free, damped, and forced vibrations on a sturdy, low-vibration aluminum frame. It includes spring mass vibration study and rigid beam vibration experiments with linear and imbalance exciters. This Free & Forced Vibration Apparatus features a non-contact displacement sensor, an adjustable oil damper, and a mechanical drum recorder. Optional accessories include a polar diagram recorder and LabVIEW based DAQ software with electrical sensors.
The Free & Forced Vibration Apparatus – Vibrano X – 08 trainer covers free, damped, and forced vibrations in mechanical vibration technology. It is mounted on a sturdy, low-vibration frame with quick fastening elements for accurate experimental set-up. This Free & Forced Vibration Apparatus consists of spring mass and rigid beam vibration study sections.
Product Overview
The trainer covers free, damped, and forced vibrations in mechanical vibration technology. It is mounted on a sturdy, low-vibration frame. Quick fastening elements for the formed grooves allow quick and accurate experimental set-up.
The apparatus consists of different sections concerned with vibration study: spring mass vibrations, rigid beam vibration (free and forced, as well as damped and un-damped), and rigid beam vibration free and forced with unbalance excitation.
The apparatus is installed with the spring mass vibration section. In this section, users can study Hooke’s law through a free hanged spring vibration study. Different masses can be changed to study the behavior of the spring mass system.
In the beam vibrations, forced vibration is generated with an electrical motor-driven linear exciter or imbalance exciter. There are two types of exciter in this apparatus: a linear exciter with servo motor and driver, and a DC rotary exciter or servo rotary exciter. The exciter frequency can be set precisely on a control unit with digital display.
An adjustable oil damper is used as vibration absorber. A mechanical drum and a polar diagram recorder (optional) record the vibration. A non-contact displacement sensor is used to measure the oscillations with respect to time. This sensor enables electrical measurement of the amplitudes of various oscillations. Alternatively, measured values can be evaluated with software for data acquisition if the Data Acquisition Based System is selected (optional).
All parts of the apparatus are stored in a storage tray supplied with the equipment. This Free & Forced Vibration Apparatus is built to demonstrate a wide range of free and forced vibration behavior in a single trainer.
Free & Forced Vibration Apparatus – Vibrano X – 08, Technical Specifications
| Specification | Detail |
|---|---|
| Frame | Sturdy, low-vibration frame with quick fastening elements |
| Study Sections | Spring mass vibrations, rigid beam vibration (free, forced, damped, un-damped), rigid beam vibration with unbalance excitation |
| Exciters | Linear exciter with servo motor and driver; DC rotary exciter or servo rotary exciter |
| Exciter Control | Frequency set precisely via control unit with digital display |
| Damper | Adjustable oil damper used as vibration absorber |
| Recording | Mechanical drum recorder; polar diagram recorder (optional) |
| Sensing | Non-contact displacement sensor for oscillation measurement |
| Storage | Storage tray supplied with equipment |
| Optional Software | Data Acquisition Based System for measured value evaluation |
Technical Data
Beams
| Parameter | Value |
|---|---|
| Rigid Beam | 700 x 29 x 11mm |
| Material | Stainless Steel |
Tension / Compression Springs (Approx.)
| Parameter | Value |
|---|---|
| Spring 1 | 0.65 ~ 0.8N/mm |
| Spring 2 | 1.5 ~ 1.7N/mm |
| Spring 3 | 2.25 ~ 2.35N/mm |
Displacement Sensor with Oscilloscope
| Parameter | Value |
|---|---|
| Type | Linear, Non-contact |
| Measurement range | +15mm |
| Protection | IP67 |
| Display | Digital display on oscilloscope |
Imbalance Exciter
| Parameter | Value |
|---|---|
| Type | DC Motor type |
| Speed | 0 ~ 3000rpm (0 ~ 50Hz) |
| Unbalance Mass | Approx. 100cmg |
Linear Exciter
| Parameter | Value |
|---|---|
| Type | Motorized |
| Motor Speed | 0 ~ 2800rpm |
| Linear Movement | 0 ~ 50mm, free adjustable |
Damper
| Parameter | Value |
|---|---|
| Damping Coefficient | 5 ~ 15Ns/m (Approx.) |
| Type | Oil Type |
| Material | Aluminum with Steel components |
Universal Mounting Frame
| Parameter | Value |
|---|---|
| Material | Aluminum |
| Type | Profiled Structure |
| Groove width of profile | 10mm |
| Internal Size | 900mm x 700mm |
Mechanical Recorder
| Parameter | Value |
|---|---|
| Type | Drum recorder |
| Feed rate | 20mm/s |
| Paper width | 100mm |
| Motor Type | Geared AC Synchronous Motor |
| Plotter | Spring loaded pen |
Touch Probe
| Parameter | Value |
|---|---|
| Type | Electrical Touch with Light indication |
| Measurement | Micrometer 0.001mm count |
| Maximum travel | 25mm |
Absorber
| Parameter | Value |
|---|---|
| Type | Leaf Spring with adjustable masses |
| Total weight | approx. 1.1kg |
| Adjustable Range | 5 ~ 25Hz |
Recommended Accessories (Optional)
Polar Diagram Recorder Vibrano X – 08
| Parameter | Value |
|---|---|
| Diameter | 100mm |
| Plotter | Spring loaded pen |
Key Features
- Core Function: this Free & Forced Vibration Apparatus demonstrates free, damped, and forced vibration behavior
- Frame: sturdy, low-vibration frame with quick fastening elements
- Spring Mass Vibrations: free hanged spring study with interchangeable masses to demonstrate Hooke’s law
- Rigid Beam Vibration: free, forced, damped, and un-damped studies supported
- Imbalance Excitation: DC motor type exciter, speed 0 ~ 3000rpm (0 ~ 50Hz)
- Linear Exciter: motorized, motor speed 0 ~ 2800rpm, linear movement 0 ~ 50mm free adjustable
- Exciter Control: frequency set precisely via control unit with digital display
- Vibration Damping: adjustable oil damper, damping coefficient 5 ~ 15Ns/m approx.
- Displacement Sensing: non-contact linear sensor, measurement range +15mm, IP67 protection
- Recording: mechanical drum recorder (feed rate 20mm/s, paper width 100mm); polar diagram recorder optional
- Touch Probe: electrical touch with light indication, micrometer 0.001mm count, 25mm max travel
- Absorber: leaf spring with adjustable masses, total weight approx. 1.1kg, adjustable 5 ~ 25Hz
- Mounting Frame: aluminum profiled structure, internal size 900mm x 700mm
- Optional Upgrade: LabVIEW based data acquisition software with electrical vibration sensors available
- Storage: all parts stored in a supplied storage tray
Experiments
- Hooke’s Law
- Spring-mass system
- Beam vibrations
- Inertia force and displacement excitation
- Resonance phenomenon
- Amplitude response and phase response
- Un-damped vibration
- Damped oscillation
- Forced vibration (Linear Excitation, Imbalance Excitation)
- Damped and un-damped using oil based damper
- Absorber effect in multi-mass oscillators
Construction and Design
The Free & Forced Vibration Apparatus – Vibrano X – 08 is mounted on a sturdy, low-vibration aluminum profiled frame with an internal size of 900mm x 700mm and a groove width of 10mm. Quick fastening elements engage the formed grooves for accurate experimental set-up. The trainer is organized into spring mass vibration and rigid beam vibration sections.
The rigid beam is made of stainless steel, sized 700 x 29 x 11mm. Forced vibration is generated using an electrical motor-driven linear exciter or imbalance exciter. Two exciter types are fitted: a linear exciter with servo motor and driver, and a DC rotary exciter or servo rotary exciter. Exciter frequency is set precisely through a control unit with digital display.
An adjustable oil damper made of aluminum with steel components acts as the vibration absorber. A non-contact displacement sensor with IP67 protection measures oscillation amplitude electrically. A mechanical drum recorder, fitted with a spring loaded pen plotter, records vibration output, with a polar diagram recorder available as an optional accessory. This Free & Forced Vibration Apparatus stores all its parts in a supplied storage tray for organized handling.
Software
Software Vibrano X – 08 (optional)
DAQ software specially designed in National Instrument™, LabVIEW™ environment to measure and calculate the results of the apparatus. The software is optional. While using the software, a set of electrical vibration sensors with clamping set is included. The software can be run with any Windows™ environment.
Scope of Delivery
- 1 Experimental module
- 1 Rigid beam
- 1 linear exciter
- 1 Imbalance exciter
- 1 Displacement sensor with oscilloscope
- 1 Set of springs
- 1 Measuring scale
- 1 Oil damper
- 1 Mechanical Recorder
- 1 Touch Probe
- 1 Absorber
- 1 Control unit
- 1 Stopwatch
- 1 Thread
- 1 Instruction manual
- 1 Sets of tools
Q: What does the Free & Forced Vibration Apparatus – Vibrano X – 08 study?
A: It studies free, damped, and forced vibration behavior, including spring mass vibrations and rigid beam vibrations.
Q: What types of exciters are used to generate forced vibration?
A: A linear exciter with servo motor and driver, and a DC rotary exciter or servo rotary exciter are used.
Q: How is oscillation measured on this apparatus?
A: A non-contact linear displacement sensor with a measurement range of +15mm and IP67 protection measures the oscillations, with results shown on a digital display on an oscilloscope.
Q: What optional accessories are available?
A: A polar diagram recorder (Vibrano X – 08, diameter 100mm) and the LabVIEW based DAQ software with electrical vibration sensors are available as optional accessories.
Q: What is included in the scope of delivery?
A: The delivery includes 1 experimental module, 1 rigid beam, 1 linear exciter, 1 imbalance exciter, 1 displacement sensor with oscilloscope, 1 set of springs, 1 measuring scale, 1 oil damper, 1 mechanical recorder, 1 touch probe, 1 absorber, 1 control unit, 1 stopwatch, 1 thread, 1 instruction manual, and 1 set of tools.
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