Over the past few years, ETO has been carrying out intensive research in the area of the magnetic shape memory effect, significantly developing the material further and constructing actuators based on this. Today, ETO’s new MAGNETOSHAPE® is ready for use in initial series applications. Thanks to its unique advantages, the technology has the potential to replace electromagnetic and other actuator technologies in future.
At the T4M in Stuttgart Germany, ETO GRUPPE presents its new product brand ETO HUMEDIC with trailblazing product innovations.
In future, actuators and sensors will supplement our existing portfolio of valves for medical applications. These new ETO products meet the industry's rising ecological and economic requirements.
The good prospects of strengthening ETO's foothold in the market also enhance our successful partnerships with long-standing customers who have trusted in our competence in medical applications and our absolute dependability for more than 25 years.
ETO has developed a coil and coretube module called NGx modular system in order to meet the individual requirements of our customers more quickly in the future.
The number of new components to be developed is low thanks to the modular system, so the production capacity is able to be freed up more quickly for new products.
In addition to optimised product development, the manufacturing of the products is also state-of-the-art thanks to new production concepts.
“The Heart of Motion” describes the core of what we do and what we work for. That’s why it’s important to question the “heart” of motion and to take a fundamentally new approach to it. The anchor of an electromagnetic solenoid or the rotor of an electric motor are perhaps the most common, but not always the most ideal solutions for a job.
Magnetic fields lead to strains in magnetic shape memory alloys. This enables drives to be implemented where motion occurs on the interior of the material and tribological interfaces are avoided. We develop innovative drive concepts based on this effect under the name MAGNETOSHAPE®, from the material and actuator to the mechatronic system – always with the aim of creating the technologically best solution in line with our customers.
Magnetic shape memory technology explained briefly
Magnetic shape memory alloys are ferromagnetic materials that generate force and motion under moderate magnetic fields. The typically single crystalline alloys made from nickel, manganese and gallium are able to generate 6% strain under external loads. And they do this with frequencies into the low kilohertz range.
The magnetic shape memory effect was discovered in the mid-1990s. Over the past few years, ETO has been carrying out intensive research in the area of the magnetic shape memory effect, significantly developing the material further and constructing actuators based on this. Today, ETO’s new MAGNETOSHAPE® is ready for use in initial series applications. Thanks to its unique advantages, the technology has the potential to replace electromagnetic and other actuator technologies in future.
Manufacture of single crystal MAGNETOSHAPE® material
· The raw materials are melted and alloyed inductively at around 1,400°C
· Large single crystals are drawn using a modified Bridgman process
· The crystals are heat-treated for chemical homogenisation and adjustment of the microstructure
· The crystal orientation is determined using X-ray diffraction
· The crystals are typically cut into cuboid elements
· The elements are configured for the application
Technical data of the MAGNETOSHAPE® material
|Field induced strain||
6 % under up to 2 N/mm²
|Blocking stress||Up to 3.5 N/mm²|
|Switching field||0.6 T|
|Temperature limits||-40 °C – 60 °C|
|High cycle fatigue||2x109 (material)|
|Typical element size||1 x 3 x 10 mm³ to 6 x 6 x 30 mm³|
|Magnetic permeability||2 (hard axis); 50 (easy axis)|
|Frequency||DC to 1 kHz|
|Switching speed||<1 ms (depending on actuator)|
The design principles of the MAGNETOSHAPE® actuators
MAGNETOSHAPE® spring actuator
· Return springs opposite the MAGNETOSHAPE® element
· Extremely short switching times (~ 1 ms)
· Bistable variant with permanent magnet possible
· Different magnetic circuits dependent on the functionality needed (force, displacement, frequency)
MAGNETOSHAPE® push-push actuator
· Two MAGNETOSHAPE® actuator units work antagonistically
· Energy-efficient multi-stability
· Intermediate positions are stable without power consumption
· Enables fast and precise position control (< 5 µm)
Benefits of MAGNETOSHAPE® actuators
· Offer a high work output at high frequencies
· Enable improved design of the actuator with low tribological wear
· Display extremely fast switching characteristics
· Allow for high service life applications
· Can be designed as bistable or multistable actuators as well as monostable actuators with fail-safe functionality
· Can be thermally activated simultaneously
· Offer self-sensing ability
MAGNETOSHAPE® smart materials can also be used for non-actuator applications. This is enabled by the inverse magnetic and thermal shape memory alloy effect.
· Measurement of position, speed, force, pressure, etc.
· Energy harvesting for wireless energy supply
· Passive and active damping
· Use of specific alloys as high-temperature shape memory alloys (SMA)
· Thinned monocrystalline material (< 30 µm) for microsystem-based applications (actuator, sensor, harvesting)
· Thin-film materials are in development in academia
ETO in 30 seconds
The ETO GROUP companies impress with innovative actuators and sensors in the highest quality, and set standards for the latest vehicles and systems.
We create solutions for more safety, efficiency and ecology.
More than 100 million of our actuators, solenoid valves and sensors have been installed in commercial vehicles and passenger vehicles from all leading producers since 1980.
Our international representation and competitiveness as well as our high productivity help us to be market leaders in more and more new applications – for system suppliers and OEMs alike.
Completely in line with our vision: ETO: jointly innovative.
ETO in 30 seconds
The ETO GRUPPE develops and produces electromagnetic valves, actuators and sensors for customers all over the world. These components are the most essential part of many vehicles and systems where high-dynamic processes take place and high standards are required in the areas of security, efficiency and environmental sustainability. Examples include electronic braking systems with an ABS and ESP function, systems for camshaft valve control or automatic transmissions.
ETO – THE HEART OF MOTION
Even outside of working hours, we enhance the ETO Team spirit with group activities, for example taking a trip to a climbing park, going rafting or enjoying our BBQ party in summer.
You will immediately become part of the ETO family during the introductory week. As well as important training, you will be able to explore the company and get to know one another at various team-building events.
Sports enthusiasts are welcome to join our running team or show off their skills in our very own football team.
The team behind the training
From left to right: Michael von Briel - HR Training Coordinator, Robin Ritzi - Trainer for cutting machine operation and industrial mechanics, Carmen Scherzinger - Trainer for industrial merchants, Andreas Schulz - Trainer for mechatronics, Florian Scheppe - Trainer for cutting machine operation and industrial mechanics.
Not pictured: Christian Amann - Trainer for technical product design, Michael Nogger - Trainer for computer science system integration, Hendrik Metzger - Trainer for warehouse logistics.
Do you still have questions that need answering or queries about training?
Then get in touch with your contact partner:
Michael von Briel
Telephone: +49 7771 809-1209
The purchasing department of the ETO GRUPPE has dedicated itself to being a competent partner for all those involved in the value chain to deliver a significant and sustainable contribution to the company success of the ETO GRUPPE.
ETO’s global purchasing organisation is derived from this dedication.
Purchasing production materials is structured according to product groups and is carried out locally by the independently operating ETO sites. The job of the local purchasing organisation is to secure a constant flow of material with cost-efficient acquisition from authorised sources of supply that meet quality standards.
In doing so, central product group management guarantees a group-wide and national strategic alignment, which in particular includes the use of synergies at the individual ETO sites.
In the ETO development sites, the supplier is accompanied by a project purchaser, who supports the supplier as a central point of contact during the development phase through to series production. Here we integrate our target suppliers in the development at an early stage.
We see our target suppliers as strategic partners for joint and sustainable company success.