Configura come lingua predefinita
Inizia
E-Axle Test Bench

E-Axle Test Bench

Le unità elettriche sono al centro di entrambi i veicoli elettrici a batteria (Bevs) e veicoli elettrici a celle a combustibile (FcEv), As manufacturers face growing demands for industrialization and increased production volumes, Our comprehensive solutions support every phase of the project lifecycle—from concept development to implementation and operation. These solutions are designed to cater to a wide range of vehicles, including passenger cars, as well as light and heavy commercial vehicles.

The drive system of an electric vehicle (EV) comprises several key components. Central to this is the e-axle or electric drive unit (EDU), which integrates the electric motor, transmission, and inverter. While we provide dedicated testing solutions for each individual component, it is equally important to test the fully assembled e-axle to identify and address potential assembly-related defects, such as Noise, Vibrazione, Durezza (Nvh) and EMC/EMI testing, which significantly impacts driver and passenger satisfaction and ensure the safety of the vehicle

The system can be 3ways/1 input+2 output, 4 ways, 5 ways, which can be integrated as powertrain testing solution
E-Axle Test Bench​

The comprehensive 3-in-1 electric axle test benches for both light-duty and heavy-duty vehicles address crucial factors such as performance, durability, noise, vibrazione, and harshness (Nvh), as well as electromagnetic compatibility (EMC). These advanced test benches are designed to support manufacturers in developing sustainable electric drive systems that meet the highest standards of performance and quality in the automotive industry. By thoroughly assessing these key areas, manufacturers can ensure their electric axles are reliable, efficient, and capable of delivering optimal performance under real-world conditions.

E-Axle

Light-duty electric axle

We offer a customized solution for the development and validation of light-duty e-axles, whether for single or dual motor configurations. With shortest lead times, manufacturers can quickly begin lifecycle and thermal endurance testing, as well as detailed electrical, mechanical, and thermal property analysis. This advanced test system enables precise performance and functional testing at speeds up to 20,000 RPM and power levels up to 400 KW, supported by a direct drive dynamometer, flexible multi-channel cooling conditioning, and a climatic chamber for comprehensive environmental simulation.

IL light-duty electric axle test bench is a customizable solution tailored to the specific needs of manufacturers, whether they are working with single or dual motor configurations. This flexibility enables engineers to develop and validate various units under test (UUTs) efficiently. Equipped with advanced instrumentation and testing capabilities, the test bench allows for comprehensive assessments of the electric axle’s performance characteristics. Its design ensures quick adaptation to different configurations and testing scenarios, making it easier for manufacturers to optimize their electric drive systems for a wide range of applications.

A key advantage of the light-duty electric axle test bench is its rapid delivery time, which allows clients to perform essential in-service lifetime and thermal endurance testing with minimal delay. This expedited timeline is especially critical for manufacturers aiming to bring their products to market quickly while ensuring compliance with rigorous industry standards. The test bench provides valuable insights into mechanical, elettrico, and thermal properties, helping engineers identify potential issues early in the development process. By conducting these thorough evaluations, manufacturers can refine their designs, enhance durability, and improve overall performance, ultimately leading to the successful deployment of high-quality electric drive systems in light-duty vehicles.

Heavy-duty electric axle

IL Heavy Duty test system is a standardized solution designed for the development and validation of e-axles in commercial vehicles, specifically tailored for trucks and buses. It enables comprehensive lifecycle testing under realistic, vehicle-like conditions. The system supports precise performance and functional testing, with capabilities of up to 20,000 RPM E 400 KW. Equipped with a direct-drive dynamometer, flexible multi-channel cooling conditioning, and a climatic chamber for environmental simulations, it ensures that the e-axles perform optimally across various operating conditions.

The X way-in-1 electric axle test bench is engineered to meet the temperature and service lifespan certification requirements for electric drive units. This system is optimized for efficient testing, allowing seamless integration of duty cycles with pre-configured standardized cycles for temperature aging and lifespan certification during the operation of the Unit Under Test (UUT). This flexibility ensures that manufacturers can thoroughly evaluate the performance and durabilityof their electric drive systems, resulting in more robust E reliable products.

Electric axle test bench for NVH/EMC

IL electric axle test bench for NVH is designed to redefine silence, comfort, and overall prestazione in both light-duty and heavy-duty e-axle solutions. With exceptionally low operating noise levels, it ensures superior NVH performance, making it ideal for the development of quiet and smooth electric powertrains. The system also features semi-automatic track width and wheelbase adjustments, which streamline high-end NVH development, providing engineers with the flexibility to optimize performance easily.

This innovative solution sets new industry standards for NVH engineering in both current and future e-powertrains, ensuring that electric axles deliver not only optimal performance but also maximum user comfort and satisfaction. It is designed to meet the demands of a wide range of mobility applications, enhancing the driving experience and making it more enjoyable for all users.

To measure the electromagnetic compatibility (EMC) of e-drive systems and assess both their emissions E immunity to interference, specialized EMC test systems are essential. We offer precise EMC measurements and testing in accordance with the Cispr 25 standard, ensuring that your systems meet the most stringent industry regulations.

This solution allows for effective evaluation of both the emissions E immunity of your e-axle components, guaranteeing the reliability E compliance of electric drive systems. By using this testing approach, manufacturers can ensure their systems are ready for future mobility applications, offering both performance and regulatory compliance.

Applications of Electric Drive Unit and Electric Axle Test Bench:

  1. Service Lifespan Testing

    • Assessing the durability and longevity of electric drive systems and axles under simulated real-world conditions.

  2. High-Speed and Torque Testing

    • Evaluating performance at both high speeds and high torque levels to ensure optimal functionality under demanding operating conditions.

  3. Torque Differential and Speed Difference Testing

    • Measuring and analyzing variations in torque and speed across the electric axle or drive unit to ensure smooth operation and performance balance.

  4. Peak Power Testing

    • Assessing the system’s ability to handle short bursts of peak power, ensuring the e-drive can deliver maximum output when required.

  5. Electrical to Mechanical Power Efficiency Testing

    • Analyzing the conversion efficiency from electrical to mechanical power, helping to identify areas for improvement in energy use.

  6. Torque Interface to Electric Drive in No-Throttle Test

    • Evaluating torque response and control when the throttle is not engaged, simulating idle or coasting conditions.

  7. xCU Interface to E-Drive for Throttle Test

    • Testing the responsiveness and control of the e-drive when interfaced with the throttle control unit (xCU), simulating real-world acceleration and deceleration.

  8. Driving Cycle Testing

    • Simulating real-world driving conditions by using predefined driving cycles to assess the overall performance and efficiency of the electric drive unit.

  9. Vibration Analysis

    • Analyzing vibrations generated during operation to identify and mitigate issues related to mechanical resonance, efficiency losses, or NVH (Noise, Vibrazione, and Harshness) concerns.

Thermal Examinations:

  1. Cooling System Stability Test

    • Testing the stability and effectiveness of the cooling system to ensure that the electric drive unit maintains optimal operating temperature.

  2. High-Temperature Operating Endurance (HTOE)

    • Assessing the electric drive’s ability to operate reliably under high-temperature conditions over extended periods.

  3. Powered Thermal Cycle Endurance (PTCE)

    • Evaluating the system’s ability to withstand repeated thermal cycles, simulating various temperature extremes that may occur during operation.

These testing capabilities ensure that electric drive units and axles are thoroughly validated for prestazione, reliability, E efficienza, preparing them for integration into next-generation mobility solutions.

Marine propulsion transmission

Marine propulsion transmission and power Systems, Marine Propulsion and Transmission and Ship Engine test rigs

We provide test solution for marine engines, propulsion systems, electric motors, generator sets, transmission gearboxes, auxiliary power systems, exhaust gas systems, and spare parts for ships.

Marine propulsionControl and management the manufacturing processes in the field of marine propulsion is paramount! Our test benches are capable to handle full range of marine gearboxes with hybrid systems, brakes whether integrated or external, shaft lines and controllable or fixed pitched propellers

Marine propulsion transmission systems

1.Combined propulsion System & Power Transmission Test stands:

Marine propulsion transmission Combined power transmission，which refers to flexible and dynamic applications that achieve multi-engine parallel operation, switching operation, and separation operation through transmission devices. so based on integrated Marine propulsion transmission systems, we have further developed the Cross Connect Gearing (CCG) power transmission system. This system connects the port and starboard systems via cross-connect transmission, enabling any single main engine to drive both propellers simultaneously, allowing dynamic switching between operational modes.

Marine Combined propulsion System & Power Transmission Test stands

2.Planetary Gear/Planetary gearbox Transmission Test bench：

Through long-term technological research and development, we have overcome various design challenges related to high power and high rotational speed, and have developed and established a high-power, so two-stage marine planetary gear/gearbox transmission back-to-back test system, successfully completing full-speed, full-load back-to-back testing, the largest marine planetary gearbox in China for the first time. This system has resulted in the creation of over 10 patented technologies.

marine planetary gearbox

3.Transmissions gearbox electric closed power loop test stands:

Marine propulsion transmission systems and gearbox is tested using a motor drive, the motor loading in an
electric power closed-loop configuration.
Technical Features:
-Electric power closed-loop saves energy, with power consumption
approximately equal to the gearbox’s power loss.
-The test can be conducted with load, while also simulating dynamic loading.
-Reduces the need for other types of loading systems.
We have our own facilities, capable of conducting open-load tests up to 4MW, and we have the conditions for building a 20MW mechanical power closed-loop test bench.
Marine propulsion transmission systems gearbox electric closed power loop test bench

4.Multifunctional Bearing Test Bench：

The design includes complete specialized equipment, with full system design capabilities. It has the ability to conduct tests for various radial bearings, and synchronous loading for double-rotor bearings. It integrates functions such as axial force, radial force, dynamic excitation loading, and environmental temperature simulation for high-speed rotors.
Multifunctional Bearing Test Bench：
Multifunctional Bearing Test Bench：

5. Marine component test benches and drive coupling test bench:

The all-metal flexible coupling validation test system can perform axial, angular, and torsional stiffness tests, as well as stress distribution tests, under both static and dynamic conditions. It can also conduct fatigue assessment tests for couplings tests, on the impact of axial and angular misalignment on shaft vibration.

Marine component test benches and drive coupling test bench

-Static stiffness test bench for couplings -Fatigue test rigs system for elastic torque transmission components -Static torsional stiffness testing rigs for couplings

Marine component test benches and drive coupling test bench

-Dynamic torsional stiffness test bench for couplings

-Dynamic stress test bench for couplings Coupling fatigue and vibration testing system

6.Ship Transmission Components test rigs multi-disc clutches/brake testing test benches:

The synchronous automatic clutch is a fully automatic, one-way overrunning clutch that transmits power through gear elements. It automatically engages or disengages, based on the rotational speed difference between two ends, without any external control. The synchronous automatic clutch test system, can simulate various combined (alternate transmission) conditions, while verifying the dynamic performance, load capacity of multiple synchronous automatic clutches. The variable-speed clutch validation test system can conduct: dynamic tests on clutches at different speeds to verify their clutching functionality. IL 150 MW synchronous automatic clutch test system is designed for dynamic testing of high-power clutches, verifying their engagement and disengagement functions.

Marine propulsion transmission systems Marine Transmission Components test rigs multi-disc clutches testing test benches
Marine Transmission Components test rigs multi-disc clutches testing test benches

7.Ship vibration and noise test solution：

Noise and vibration testing and analysis systems for marine, Successful noise and vibration management reduces environmental impact and mitigates risks enabling a safer vessel.

We have full vibration reduction and noise control solution for ship power transmission systems, which able to cover vibration and noise testing, analysis, and simulation for rotating machinery, as well as vibration and noise control measures for equipment. We have rich design experience and techniques in vibration reduction and noise control, and can undertake tasks such as equipment vibration and noise reduction design, vibration isolation measures design, sound absorption and isolation design, and perform vibration noise simulation calculations.

We possess advanced data acquisition products from top international companies such as BK, LMS, Bently, with over 200 canali, as well as more than 300 imported sensors, including accelerometers, velocity sensors, displacement sensors, microphones, and various specifications of force hammers, exciters, ecc. We can conduct tests on equipment vibration, modal analysis, sound pressure level, sound intensity, sound power, and more, in accordance with relevant standards. We can also perform sound source identification tests and impedance tests.

Ship vibration and noise test solution

8.Marine EMC/EMI testing, Electromagnetic Interference Testing (EMI) and Electromagnetic compatibility(EMC) in Marine industry:

Electronics are fundamental to various marine operations, such as navigation, communication, propulsion, and onboard system management. Tuttavia, the unique challenges of the maritime environment significantly impact electromagnetic compatibility (EMC).

EMI Challenges in the Marine Setting Compact and Complex Shipboard Systems

Due to limited space on ships, electrical and electronic equipment is often installed in close proximity. This close arrangement increases the risk of electromagnetic coupling, potentially causing electromagnetic interference (EMI). Furthermore, the interconnected structure of shipboard power systems adds complexity to managing and mitigating EMI.

High Electromagnetic Noise Levels
The marine environment is inundated with electromagnetic noise, which generated by equipment such as radio transmitters, radar systems, propulsion units, and communication devices. These powerful electromagnetic fields can interfere with nearby systems, leading to performance degradation and operational risks.

Harsh Environmental Conditions and Vibration
Marine equipment faces constant exposure to corrosive saltwater, severe mechanical vibrations, and fluctuating temperatures. These harsh conditions can impair the performance of electrical and electronic components, making them more vulnerable to EMI.

The Role of EMI Testing in the Marine Industry

Electromagnetic interference (EMI) testing plays a critical role in maintaining the functionality, sicurezza, and reliability of shipboard systems. Key benefits of EMI testing include:

Ensuring Performance and Reliability
EMI testing identifies and addresses potential interference sources, helping to maintain optimal performance of shipboard systems.

Enhancing Safety in Navigation and Communication
Reliable communication and navigation are vital for safe maritime operations. EMI testing ensures these systems remain free from interference, reducing the risk of operational failures and ensuring the safety of the crew, passengers, and vessel.

Protecting Mission-Critical Systems
By identifying and mitigating interference, EMI testing safeguards navigation and communication equipment, ensuring that mission-critical systems operate seamlessly in challenging marine conditions.

In Conclusion:

In the maritime industry, EMC/EMI testing is essential for ensuring the electromagnetic compatibility of shipboard equipment, our EMC test system consists of anechoic chamber, shielding chamber, soundproof chamber, EMC measurement instruments and etc.

The testing process involves two critical components: emissions testing E immunity testing.

Emissions testing focuses on measuring the electromagnetic energy emitted by a device. This step identifies any potential interference that could impact nearby electronic systems and ensures the device complies with established regulatory standards for electromagnetic emissions.

On the other hand, immunity testing assesses the device’s ability to withstand external electromagnetic fields. This evaluation determines how effectively the device can resist interference from other electronic systems.

Together, these two testing methods are essential for ensuring item can function safely and reliably in environment, where electromagnetic sources are abundant.

Marine propulsion transmission systems

Inviaci un'e-mail

Per qualsiasi domanda o supporto, si prega di contattare via e-mail all'indirizzo info@econotests.com.
Puntiamo a rispondere tempestivamente.

Chiamaci

Hai bisogno di assistenza immediata? Chiamaci al +86 156 1877 0706.
Il nostro team è pronto ad assisterti.

Visitaci

Ti invitiamo a visitare il nostro ufficio situato in 3F, Edificio 2, NO.511 Xiaowan Strada, Fengxian, Shangai, Cina.
Let's discuss your needs in person.

© 2025 Shanghai EconoTechnology Co., Ltd. Tutti i diritti riservati.
Potenziare l'innovazione attraverso soluzioni di test affidabili.

errore: Il contenuto è protetto !!