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Static and Dynamic Balancing Apparatus
Static and Dynamic Balancing Apparatus (Product Code: SLE/MCE/79) is a rotating-shaft trainer used to show the difference between static and dynamic imbalance and to practise balancing rotating masses in theory of machines laboratories. Four imbalance masses attach to a smooth shaft at any angular and longitudinal position, and a variable-speed motor with belt drive turns the shaft up to 1400 rpm with a digital speed display. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Main element | Smooth shaft mounted on ball bearings |
| Imbalance masses | 4, attachable at any angular and longitudinal position |
| Total imbalance | 880 cmg |
| Drive | Variable-speed electric motor with belt drive |
| Speed measuring range | 0–1400 min⁻¹ (rpm), displayed digitally |
| Guard | Transparent cover against contact with rotating parts, with a clear view of the shaft |
| Dimensions | 600 x 300 x 600 mm |
| Weight | 32 kg |
| Power supply | 230 V, 50 Hz, 1 phase; or 230 V, 60 Hz, 1 phase; or 120 V, 60 Hz, 1 phase |
| Product code | SLE/MCE/79 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Static and Dynamic Balancing Apparatus Used For?
A rotor is statically balanced when it stays put in any angular position, yet it can still shake when it spins if its masses lie in different planes along the shaft; that is dynamic imbalance. On this unit, students first arrange the four imbalance masses so the shaft rests in any position, comparing the moment they produce about the shaft with the moment of the imbalance masses. They then run the motor and see whether the shaft turns smoothly or vibrates, which shows why static balance alone is not enough.
The usual exercise is to calculate the angular and axial positions of the masses by the graphical or analytical method taught in dynamics of machinery, set them on the shaft, and confirm the result by running at increasing speed on the digital display. Close the transparent cover before starting the motor and tighten every mass securely. For colleges building a set of mechanics lab equipment in India, it pairs naturally with whirling-of-shaft and vibration apparatus.
OEM Manufacturer
The Static and Dynamic Balancing Apparatus is produced by ScienceLab as the OEM. Jain Scientific Equipments Private Limited, which operates under the ScienceLab name, manufactures it at its own licensed factory at Saha, Ambala, Haryana, India, so universities, polytechnics, laboratory suppliers and importers can buy straight from the source.
Repeat orders and requests for spare imbalance masses or a replacement drive belt are handled by the manufacturer itself; ask us. More information is on the ScienceLab company profile.
Related Theory of Machines Equipment
Rotating-shaft apparatus often installed in the same dynamics laboratory:
- Whirling of Shaft Apparatus — critical speeds of slender rotating shafts.
- Free and Forced Vibration Apparatus — the forced vibration that an unbalanced rotor produces.
- Journal Bearing Demonstration — how shafts are supported in bearings.
See all apparatus in the Theory of Machines category.
Frequently Asked Questions
What does the Static and Dynamic Balancing Apparatus demonstrate?
The Static and Dynamic Balancing Apparatus demonstrates the difference between static and dynamic imbalance on a rotating shaft, and lets students balance four masses by calculation before checking the result with the shaft running under motor drive.
How many imbalance masses does the Static and Dynamic Balancing Apparatus have?
The Static and Dynamic Balancing Apparatus has four variable imbalance masses with a total imbalance of 880 cmg. Each mass can be attached to the smooth shaft at any angular and longitudinal position.
What speed range does the Static and Dynamic Balancing Apparatus cover?
The Static and Dynamic Balancing Apparatus runs from 0 to 1400 min⁻¹ (rpm). A variable-speed electric motor drives the shaft through a belt, and the shaft speed is displayed digitally for each test.
How are students protected on the Static and Dynamic Balancing Apparatus?
The Static and Dynamic Balancing Apparatus has a transparent cover that protects against contact with the rotating parts while leaving a clear view of the shaft. Keep the cover closed whenever the motor is running.
What power supply and space does the Static and Dynamic Balancing Apparatus need?
The Static and Dynamic Balancing Apparatus is offered for 230 V 50 Hz, 230 V 60 Hz or 120 V 60 Hz single-phase supply. It measures 600 x 300 x 600 mm and weighs 32 kg, so it fits on a sturdy bench.
Who manufactures the Static and Dynamic Balancing Apparatus?
The Static and Dynamic Balancing Apparatus is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), the OEM, at its own licensed factory at Saha, Ambala, Haryana, India. Orders from India and international markets are quoted directly by the manufacturer.
Request a Quote
Send the quantity, power supply version and delivery location for the Static and Dynamic Balancing Apparatus (SLE/MCE/79) through our contact page, or add it to the enquiry cart. The manufacturer replies with the quotation directly.
Last updated: 24 September 2026
