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Coil Spring
Coil Spring (Product Code: SLE/ETP/16) is a heavy-duty compression spring test accessory used to find the spring rate of a real suspension-type coil spring on a testing machine, in mechanics and automotive engineering labs. The spring shares its design with those used in vehicle suspensions and is held securely between two metal bosses while the machine compresses it. It is made by Jain Scientific Equipments Pvt Ltd (ScienceLab), an OEM manufacturer, at its own factory in Ambala, India, as part of its mechanics lab equipment in India.
Key Details
| Parameter | Detail |
|---|---|
| Spring | Heavy-duty coil spring of the same design as those used in vehicle suspensions |
| Mounting | Two metal bosses hold the spring securely in the testing machine |
| Loading | Spring compressed by the testing machine |
| Measurement | The testing machine's digital indicator measures the change in spring length (displacement) for a given change in applied force |
| Outcome | Actual spring rate compared with the theoretical value based on the spring dimensions; demonstrates Hooke's Law |
| Product code | SLE/ETP/16 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Coil Spring Test Used For?
Classroom springs are light and forgiving; a suspension spring is not. Testing a heavy-duty spring of vehicle-suspension design shows students how the same Hooke's Law relationship holds for a real engineering component, and how closely the design formula predicts its stiffness. It links strength-of-materials theory to automotive and machine design.
Students measure the wire diameter, mean coil diameter and number of active coils, calculate the theoretical spring rate, then fit the spring between the metal bosses and compress it on the testing machine. Plotting force against displacement from the digital indicator gives the actual rate as the slope of the line. Apply a small seating load first, take readings on both loading and unloading, and stay well within the elastic range.
What to Specify When Ordering
- The testing machine in your laboratory that will compress the spring, so fitting of the metal bosses can be discussed.
- The number of Coil Spring sets needed for your student groups.
- Whether you also want other spring experiments, such as the Disc Spring, in the same order.
OEM Manufacturer
ScienceLab, the trading name of Jain Scientific Equipments Private Limited, is the OEM (original equipment manufacturer) of this Coil Spring experiment. It is produced and put together at the company's own licensed factory at Saha, Ambala, Haryana, then supplied factory-direct to engineering colleges, automotive training centres, dealers and importers. Replacement bosses or extra springs can be requested from the manufacturer itself; just ask us. Visit the ScienceLab profile to learn about the company.
Related Materials Testing and Properties Equipment
Other spring and elasticity experiments for the same course:
- Hook's Law And Spring Rate — a compact frame with masses for introductory spring tests.
- Disc Spring — compares stacked disc springs in series and parallel.
- Electronic Spring Tension Machine — a dedicated machine for routine spring load testing.
- Compression Cage — adapts the Bench Top Tensile Testing Machine for compressive loads.
Find more in the Materials Testing and Properties category.
Frequently Asked Questions
What does the Coil Spring experiment show?
The Coil Spring experiment shows Hooke's Law on a heavy-duty spring. Students compare the actual spring rate, found from force and displacement readings, with the theoretical value calculated from the spring's dimensions.
What kind of spring is used in the Coil Spring experiment?
The Coil Spring experiment uses a heavy-duty spring of the same design as those used in vehicle suspensions, so students test a realistic engineering component rather than a light laboratory spring.
How is the Coil Spring held during testing?
Two metal bosses hold the Coil Spring securely in the testing machine, which compresses it. The machine's digital indicator then measures the change in spring length for each change in applied force.
How is the theoretical spring rate of the Coil Spring calculated?
The theoretical rate of the Coil Spring comes from its dimensions: wire diameter, mean coil diameter and number of active coils, together with the shear modulus of the spring material, using the standard helical spring formula from textbooks.
Who manufactures the Coil Spring experiment?
The Coil Spring experiment is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), the OEM, at its own licensed factory in Ambala, Haryana, India. Orders and spare-part requests are handled by the manufacturer directly.
What details should a Coil Spring enquiry include?
A Coil Spring enquiry should include the product code SLE/ETP/16, the quantity, the testing machine you will use it with and the delivery destination in India or abroad, sent through our contact page or enquiry cart.
Request a Quote
For a Coil Spring quotation from the manufacturer, use the contact page or add it to the enquiry cart. We supply colleges, training institutes, dealers and importers in India and international markets.
Last updated: 24 September 2026
