Service Content
GRGT Vehicle NVH Testing services includes:
- Vibration and stress testing
- Acoustic testing
- Modal testing
- Abnormal noise and sound quality testing
Service Scope
Suitable for motors, power systems, seats, dashboard, center console, some body parts, front and rear doors, steering column, air conditioning system, sunroof, sunshade, tailgate, and small components
Test Standards
For more testing standards, please contact our online customer service.
Test Items
|
Test category |
Applicable product scope |
Test project |
Testing standards |
|
Vibration and stress testing |
Vehicle and components: various pumps, motors, electric motors, PCB boards, IGBTs, etc |
1.Vibration testing (acceleration, intensity, velocity, displacement) |
Industry and enterprise standards, and can also undertake non-standard testing |
|
Acoustic testing |
Vehicle and components: rearview mirrors, door guards, tailgate struts, head up display, headlights, motors, pumps, sliding doors, seats, carpets, substrates, etc |
1. Sound pressure test |
GB/T6882 |
|
Modal testing |
Car tailgate, cabin cover, seats, main and auxiliary instrument panels, front gear, rearview mirrors, etc |
1. Experimental modal testing based on hammering method and exciter |
Industry and enterprise standards |
|
Abnormal noise and sound quality testing |
Vehicle and components: rearview mirrors, head up display, headlights, motors, motors, pumps, sliding doors, seats, main and auxiliary instrument panels, navigation, armrest box, foot pedals, glass lifters, doors, liftback doors, pedestrian indicator sounds, door horns, ETC, cameras, controllers, steering columns, brakes, sunroof, center console, air conditioning system, etc |
1. Subjective and objective testing of abnormal noise |
Industry and enterprise standards |
Qualifications
GRGT Vehicle NVH Testing certified by CMA, CNAS, and over 60 OEMs and Tier1.
Test Cycle
About 7 days
Service Background
Automotive NVH stands for Noise, Vibration, and Harshness, which is a comprehensive issue in the quality of automotive manufacturing. It provides the most direct and superficial experience to car users.
The NVH issue of vehicles is one of the concerns of the international automotive industry. According to statistical data, about one-third of vehicle malfunctions are related to NVH issues, and major companies allocate nearly 20% of their R&D expenses to solving vehicle NVH problems.
Our Srengths
- GRGT has established 18 reliability and environmental laboratories.
- GRGT has the technical ability to carry out professional environmental reliability tests, including equipment six-performance design and analysis, equipment performance testing and failure analysis, competitive comparison testing, comprehensive environmental testing, mechanical environmental testing, climate environment reliability test, vehicle environmental testing, structural mechanics simulation analysis, material and process analysis and evaluation
- GRGT has conducted tensile testing of metallic materials for domestic and foreign airworthiness organizations such as EASA, FAA, CAAC, etc.
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