AutoGRACE^®
Valve Springs

Ensuring the Valves Have a “Spring” in their Step

Valve springs have just one challenging function – to ensure the valves close in a controlled manner with enough force to ensure an air-tight sealing between the valve and the valve seat insert.

PRODUCT

This entails the following requirements on the springs:

CONSTANT CONTACT: When the valve is closed the spring force must be enough to prevent it from bouncing off the valve seat insert, while during opening it should arrest the valve tip from losing contact with the cam as it passes over the peak of the cam lobe ("fly-over").
MINIMIZE SPRING FORCES: To achieve maximum fuel efficiency, frictional losses in the valve train should be minimized, for which spring force must be reduced by optimizing its shape and resistance to vibration.
HEIGHT REDUCTION: By increasing fatigue limit and optimizing its design, spring height can be reduced. This improves fuel efficiency and gives more space and flexibility to design the engine compartment. Over an engine’s service life of about 200,000 km each valve spring will go through 300 million loading cycles.

Partnering with leading valve spring manufacturers in India has enabled Garima Global to develop and export high quality AutoGRACE^® valve springs confirming to OEM specifications to discerning customers globally.

APPLICATIONS

Garima Global supplies components for a wide variety of on-road, off-road, industrial and stationary applications such as: automotive (light duty) and light commercial, trucks (heavy duty), tractors (agricultural), earthmoving and construction machinery, generators, irrigation pumps, and defence / special purpose vehicles.

The brands for which we manufacture and export aftermarket products are Caterpillar, Chevrolet, Chrysler, Citroen, Cummins, Daewoo, DAF, Daihatsu, Detroit Diesel, Deutz, Fiat, Ford, Hino, Honda, Hyundai, International, Isuzu, Iveco, John Deere, Kamaz, Kia, Komatsu, Kubota, Land Rover, Leyland, Lister Petter, Lombardini, Mack, Mahindra, MAN, Massey Ferguson, Mazda, Mercedes Benz, Mitsubishi, Navistar, Nissan, Onan, Perkins, Peugeot, Renault, Scania, Suzuki, Tata, Tatra, Toyota, Ursus, UTB, Volvo, Yanmar and Zetor, amongst others.

Garima Global also export parts for air-brake compressors like Wabco, Bendix, Knorr, Cummins, Clayton Dewandre, Mercedes, Midland etc.

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PRODUCT CATALOG

Garima Global has developed an extensive range of components for engine, braking, transmission, suspension, steering, chassis, electrical, lighting and other automotive sub-systems. To assist our customers with choosing the right product for their requirements we have published comprehensive catalogs with engine / vehicle models, interchange with references of OEMs and other popular aftermarket brands, fitment dimensions and other technical data. We strongly encourage you to contact us with your specific requirements so that we can email you the relevant catalogs, and we look forward to starting a mutually beneficial business relationship with you soon!

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TYPES OF Valve Springs

DESIGN

Popular shapes of valve springs are:

cylindrical & symmetrical

cylindrical & asymmetrical

conical

beehive

The cross section of the spring wire may be round or ovate / multi-arc. The ends of the springs may be ground flat and/or chamfered to ensure parallelism with the mating surfaces.

MATERIAL

The older Cr-V steel grades are increasingly being replaced by Cr-Si for greater tensile strength and lower non-metallic inclusions. High-tensile Cr-Si-V and Cr-Si-Ni-V wires hardened by oil tempering or induction hardening and then annealed to reduce internal stresses are also used extensively. Surface may be shot blasted to induce residual compressive force that counteracts the tensile stress during operation.

Whether you requirements are for automotive, heavy-duty, OTR / earthmoving, industrial or agricultural engines, you can rest assured that Garima Global will supply a high quality valve spring made by one of the leading valve spring manufacturers in India under our watchful eye.

FAQs

What is a Valve Spring?

Imagine your car engine like a bustling restaurant. The valve spring acts like a tireless bouncer, controlling the flow of customers (air and fuel) through the valves. It keeps the valves closed during important engine functions and lets them open at just the right time for the air-fuel mixture to come in and exhaust gases to be kicked out. This ensures everything runs smoothly and efficiently in your engine's internal combustion.

What materials are commonly used in the manufacturing of engine valve springs?

Engine valve springs are commonly made from high-strength alloys such as chrome silicon, chrome vanadium, and music wire that offer excellent tensile strength, fatigue resistance, and durability, crucial for withstanding the high temperatures and stresses within an engine.

What are the key features to look for in high-quality engine valve springs?

These are four of the most important things to look for in your valve spring. It must-have:

Consistent Push - A steady spring rate ensures valves stay put during key engine functions.
Precise Build - Tight tolerances guarantee perfect fit and function.
Built to Last - Resistance to fatigue keeps the springs strong over time.
Long-lasting Performance - Top springs maintain their effectiveness for extended engine life.

You'll get high-quality valve springs and your engine will run smoothly and efficiently.

How do engine valve springs contribute to the overall performance of an engine?

Engine valve springs play an important role in controlling valve movement, with proper timing and sealing during engine operation contributing to efficient combustion by maintaining valve closure at high speeds and under varying loads, enhancing engine power, fuel efficiency, and reliability.

What are the benefits of sourcing engine valve springs from a manufacturer in India?

We offer cost-effective options without sacrificing quality, making them a good value compared to other regions in the world. Indian craftsmanship and expertise ensure the springs meet international standards. India offers a wide range of valve spring options, making it easier to find the specific parts you need. Overall, choosing an Indian brand like Garima Global will prove to be a reliable and economical decision.

How does the manufacturing process ensure the durability and reliability of engine valve springs?

The manufacturing process of engine valve springs involves precision coiling, heat treatment to enhance strength and flexibility, shot peening for stress relief, and rigorous testing for dimensional accuracy and performance. These steps are most important to ensure that each spring meets stringent quality standards, delivering durability, reliability, and consistent performance in demanding engine environments.

AutoGRACE® Valve Springs