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Gear Train Model
Gear Train Model (Product Code: SLE/MCE/28) is a mechanism model used to demonstrate a differential gear train built entirely from spur gears, in theory of machines and automobile engineering laboratories. It combines two planetary gear trains whose sun gears are coaxial, so students can hold either wheel and watch how the remaining gears keep turning. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India.
Key Details
| Parameter | Detail |
|---|---|
| Mechanism | Differential gear train |
| Gear type | All spur gears |
| Arrangement | Combination of two planetary gear trains with coaxial sun gears |
| Both wheels free | With the mechanism driven, all spur gears run |
| Right wheel held | Right sun gear becomes fixed; the other gears still rotate |
| Left wheel held | Left sun gear becomes fixed; the other gears still rotate |
| Application shown | Situations that require two controllable inputs |
| Product code | SLE/MCE/28 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Gear Train Model Used For?
A differential lets two outputs turn at different speeds from one input, which is why a vehicle's wheels can take a corner without scrubbing. Textbook diagrams can make this hard to picture; this model shows the same function with spur gears only, arranged as two planetary trains sharing a common axis. Holding one wheel fixes its sun gear, and students can watch the other gears keep turning and relate what they see to the kinematic equations of planetary trains.
A good exercise is to drive the model slowly, count output turns with one wheel held and then the other, and compare the results with calculated values. The model also illustrates mechanisms that need two controllable inputs, a topic that links theory of machines with robotics and control. Handle it at low speed and keep fingers clear of meshing gears. It is well suited as engineering lab equipment for demonstration tables and student practicals alike.
OEM Manufacturer
The Gear Train Model is manufactured by Jain Scientific Equipments Private Limited (CIN U29309HR2020PTC087597), which trades as ScienceLab and is the OEM (original equipment manufacturer) of this model. Production takes place at the company's licensed factory at 449, HSIIDC Industrial Area, Saha, Ambala, Haryana (Factory Licence AMB-ONLINE-CHD-J-414).
Colleges, training institutes, dealers and importers buy it factory-direct, so quotations, repeat orders and questions about replacement gears are handled by the manufacturer — ask us. More background is on the ScienceLab company profile.
Related Theory of Machines Equipment
Pair the model with these items when teaching gear trains and transmissions:
- Gear Trainer Demonstrator — a sliding mesh gearbox for velocity and torque ratio work.
- Cut Model Of Planetary Gear System — a sectioned planetary set for comparing gear layouts.
- Differential Gear — relates the model to a real vehicle differential.
- Internal Gear Pinion Drive — shows internal gearing of the kind used in ring gears.
Explore more in Theory of Machines.
Frequently Asked Questions
What mechanism does the Gear Train Model show?
The Gear Train Model shows a differential gear train in which all the gears are spur gears. It is built as a combination of two planetary gear trains whose two sun gears are coaxial, demonstrating differential action without bevel-gear complexity.
What happens when one wheel of the Gear Train Model is held?
When the right wheel of the Gear Train Model is held, the right sun gear becomes fixed while the other gears can still rotate; holding the left wheel fixes the left sun gear in the same way. With both wheels free, all spur gears run.
Where is the principle of the Gear Train Model applied?
The Gear Train Model illustrates mechanisms for situations that require two controllable inputs, as well as the familiar vehicle differential. Students can link its behaviour to planetary gear train theory covered in theory of machines courses.
Who manufactures the Gear Train Model?
The Gear Train Model is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), the OEM, at its own licensed factory in Saha, Ambala, Haryana, India. Quotations and after-sales support come directly from the manufacturer.
Is the Gear Train Model suitable for classroom demonstration?
Yes, the Gear Train Model is a demonstration mechanism that a teacher can operate in front of a class or students can study at a practical bench. Run it at low speed so everyone can follow the motion of each gear.
What should a quotation request for the Gear Train Model include?
A quotation request for the Gear Train Model should state the quantity, any related theory of machines items you are ordering and the delivery location. Send it through the contact page and the manufacturer will respond.
Request a Quote
Quotations for the Gear Train Model come direct from the manufacturer. Contact us through the ScienceLab contact page or add the model to the enquiry cart with your quantity and delivery details.
Last updated: 24 September 2026
