Schnorr Disc Springs

With more than 100 years experience of disc spring engineering, Schnorr have long been a key partner to IEC. Together, we have secured specification for a wide range of specialist applications into multiple industries, including aerospace, automotive, marine and rail. If your business needs Schnorr disc springs, get in touch.

Schnorr Disc Springs

Maximum load, minimal space

Schnorr disc springs are conical discs which can be loaded along their axis either statically or dynamically. The loads are normally applied to the upper inner edge and the lower outer edge. Either a single spring or a stack or springs can be used. Disc springs are versatile and are used in many manufacturing and plant applications.

Please take a look at the full catalogue of Schnorr Disc Springs.

Benefits of IEC's Schnorr Disc Springs

Space saving - high spring forces with small deflection
No permanent deformation or fatigue under normal loads
Load/deflection curves of straight, regressive or progressive character according to design requirements
Largely self-damping particularly with parallel stacking, giving good shock absorption and energy dissipation
Load/deflection curves of straight, regressive or progressive character according to design requirements
Long service life

Markets

IEC have a range of mechanical solutions to suit a broad spectrum of markets and applications, from aerospace to skateboards.

Markets

IEC have a range of mechanical solutions to suit a broad spectrum of markets and applications, from aerospace to skateboards.

Markets

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Engineering in Motion with IEC Disc Springs

Disc Spring Applications

We act as partners, making our customers’ engineering challenges ours to solve, removing stress and freeing up time to turn ideas in to innovation.

Product:

Disc springs

Application:

Hydrogen electrolysers

Challenge:

Hydrogen can be generated through electrolysis, an electromechanical process that decomposes water to form hydrogen and oxygen gases using a stacked cell arrangement. For this arrangement to be efficient, it is necessary to ensure proper sealing and uniform current distribution across the cells.

Solution:

With their small, variable spring deflection, our disc springs are ideally suited to securing electrolyser and fuel cell stacks in a compressed, assembled state. Having a small footprint and modular design, they are ideal for bespoke installations.

Product:

Disc Springs and Laminar Seal Rings

Application:

Supersonic car

Challenge:

Bloodhound LSR is a UK-based project aiming to break the world land speed record using the most advanced straight-line racing car ever built. Designed to travel at supersonic speeds, our safety washers are employed throughout the vehicle, and our lock nuts were employed in two critical systems.

Solution:

Within the gearbox of the Jaguar supercharged V-8 auxiliary power unit that would drive the oxidiser pump for the three Eurofighter jet engines. Additionally, IEC’s lock nuts were used to secure the rear wheels in position as they spun up to 10,200 rpm, resist centrifugal forces of up to 50,000 Kg.

Product:

Disc springs

Application:

Actuation systems

Challenge:

At 40,000 feet and 500 miles per hour, control is everything. In this extreme environment systems such as wing-tip brakes can be affected by unintended movement.

Solution:

IEC’s technical team works closely with the client and manufacturing partners to arrive at bespoke disc spring solutions that are designed and manufactured to meet the stringent aerospace requirements. Disk springs in ‘no-back’ actuators are used to control over-loading of the actuator and prevent reverse operation, particular care is given to tolerancing on load points, deflection and cycle life.

Product:

Disc springs

Application:

Dragonfly dual-quadcopter lander

Challenge:

NASA’s mission to explore the solar system delivers an 8-bladed rotorcraft to visit Saturn’s largest and richly organic moon, Titan. Dragonfly will sample and examine dozens of promising sites around Saturn’s icy moon and advance our search for the building blocks of life.

Solution:

Our disc springs are used to help provide much-needed stability during the landing phase of the mission. The assembly is mounted inside a swivel device that works to prevent any parachute spin being imparted onto the probe below. During the mission, the disc spring stack will be subjected to cryogenic temperatures of 63 K, (-210 degC). Product design and material selection are critical factors in mission success.

Download technical documents and brochures.

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Schnorr Disc Springs

Schnorr Disc Springs

Maximum load, minimal space

Benefits of IEC's Schnorr Disc Springs

Markets

Markets

Markets

Engineering in Motion with IEC Disc Springs

Disc Spring Applications

Product:

Application:

Challenge:

Solution:

Product:

Application:

Challenge:

Solution:

Product:

Application:

Challenge:

Solution:

Product:

Application:

Challenge:

Solution:

Download technical documents and brochures.

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