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Geared Systems
Geared Systems (Product Code: SLE/ETM/12) is a bench-mounting base unit used to test the performance and efficiency of gear drives and other drive units under power in engineering laboratories. Students measure power in from a variable-speed, low-voltage motor and power out to an electromagnetic hysteresis dynamometer, and a three-shaft gear drive unit comes as standard. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Key Details
| Parameter | Detail |
|---|---|
| Base unit | Bench-mounting; the main part of this set of products |
| Input (effort) | Variable-speed, low-voltage motor driving the input shaft |
| Output (load) | Dynamometer using electromagnetic braking and a hysteresis effect: variable load at constant torque irrespective of speed |
| Sensors | On the motor and dynamometer, measuring shaft speed and torque, and therefore power in and out |
| Torque measurement | Motor and dynamometer held in axial trunnions with race bearings, rotating freely against load cell sensors |
| Couplings | Flexible couplings with collets for quick and accurate alignment of the drive unit |
| Standard drive unit | Three-shaft gear drive unit |
| Other drive units | Optional (ask us) |
| Product code | SLE/ETM/12 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Geared Systems Base Unit Used For?
Efficiency is the question every drive designer asks: how much of the power put into a gearbox actually reaches the output shaft? In a dynamic test on this base unit, the motor turns the input of the drive unit at a chosen speed while its input power is measured, and the dynamometer brakes the output while the output power is measured. Dividing one by the other gives efficiency, and repeating the run at other speeds and loads builds a full performance picture.
Because the hysteresis dynamometer holds a constant torque regardless of speed, students can change speed without the load drifting. The motor and dynamometer sit in trunnions and push against load cells, so torque readings come from the reaction on the housing. Flexible couplings with collets make it quick to swap the standard three-shaft gear drive for optional drive units, which suits engineering lab equipment for technical institutes that run several groups in one session.
What to Specify When Ordering
- Which optional drive units you want in addition to the standard three-shaft gear drive — ask us what is offered.
- Whether the Acceleration & Static Test Stand should be quoted with the base unit.
- Your mains supply, so the motor and sensor arrangement can be confirmed.
- The number of base units for your laboratory.
OEM Manufacturer
Geared Systems is manufactured by Jain Scientific Equipments Private Limited, trading as ScienceLab, at the company’s own licensed factory at Saha, Ambala, Haryana, India. As the OEM, the company quotes the base unit, the standard gear drive and add-on units together, and handles repeat orders and replacement parts itself — ask us.
The company is a registered MSME whose major activity is manufacturing (Udyam UDYAM-HR-01-0003714), and its export shipments are handled under Importer-Exporter Code AAECJ8618A (DGFT). See the ScienceLab profile.
Related Theory of Machines Equipment
Apparatus that complements drive-efficiency testing:
- Acceleration & Static Test Stand — static gear-drive efficiency and inertia tests to compare with dynamic results.
- Gear Train Model — for explaining gear ratios before testing a powered drive.
- Internal Gear Pinion Drive — another gearing arrangement for the same course.
- Pulley Demonstration Set — a simple mechanical-advantage comparison with geared drives.
Explore the Theory of Machines category for more.
Frequently Asked Questions
What does the Geared Systems base unit measure?
The Geared Systems base unit measures shaft speed and torque at both the motor and the dynamometer, and therefore the power into and out of the drive unit. Students use these measurements to find the performance and efficiency of the drive.
How does the dynamometer load the drive?
The dynamometer on Geared Systems SLE/ETM/12 uses electromagnetic braking and a hysteresis effect to provide a variable load at a constant torque, irrespective of speed. It supplies the output braking force while its sensors measure the output power.
Which drive unit comes with Geared Systems?
Geared Systems is supplied with a three-shaft gear drive unit as standard. The base unit can also dynamically test other optional drive units; ask us which ones are available and include them in your quotation request.
How is torque measured accurately?
In Geared Systems, axial trunnions with race bearings hold the motor and the dynamometer so they rotate freely against their load cell sensors. The reaction on each load cell gives an accurate torque reading at input and output.
Who manufactures Geared Systems SLE/ETM/12?
Geared Systems SLE/ETM/12 is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), the OEM, at its own licensed factory in Saha, Ambala, Haryana, India. The company supplies it factory-direct to institutions, dealers and importers.
Is a calibration certificate available for the sensors?
The Geared Systems listing does not describe calibration paperwork for its speed and torque sensors. If your institution needs a calibration certificate, raise it in your enquiry and we will discuss what can be arranged.
Request a Quote
For a quotation on Geared Systems (SLE/ETM/12), with or without optional drive units, use the contact page or the enquiry cart. Quotes are issued directly by the manufacturer, for orders within India and for export.
Last updated: 24 September 2026
