Audited Supplier
| Attributes | |
| Brand name | BIEDAS |
| Model Number | BYD-JZ070 |
| Type | Modal Exciter (700N) |
| Warranty | 1 Year |
| Customized support | OEM, ODM, OBM |
| Color | Slivery |
| Material | Stainless Steel |
| Protection Level | IP65(NEMA-4) |
| Place of origin | Jiangsu |
| Packaging Details | 1 piece/box |
| Supply Ability | 10000 Piece/Pieces per month |
Modal Shaker Overview
A Modal Shaker is a device used in structural dynamics testing, primarily for simulating and analyzing the response of structures under different vibration modes. This equipment is essential in various engineering fields such as aerospace, automotive, civil engineering, and mechanical engineering, helping predict and prevent structural resonance, fatigue, and other dynamic issues.
Function and Purpose
The primary purpose of a Modal Shaker is to conduct modal analysis by applying controlled vibrational excitation to a structure. This helps engineers and researchers understand the dynamic characteristics of the structure. Modal analysis is crucial for predicting how structures will respond to dynamic loads and ensuring their safety and performance.
Working Principle
A Modal Shaker generates vibrations through electromagnetic forces or piezoelectric effects. These vibrations are transferred to the structure being tested, exciting its different vibration modes. By measuring the structure's response data (such as acceleration, velocity, and displacement), modal parameters like natural frequencies, damping ratios, and mode shapes can be determined.
Key Components
- Exciter: The core component of the Modal Shaker, responsible for generating controlled vibrational signals.
- Power Amplifier: Amplifies the input signal to a level sufficient to drive the exciter.
- Control System: Includes a signal generator and feedback control unit for generating and adjusting the vibration signal.
- Sensors: Such as accelerometers and displacement sensors, used to measure the structure's response.
Application Scenarios
- Aerospace: Used for modal analysis of aircraft wings, engine components, and other structures to ensure reliability and stability under different flight conditions.
- Automotive Industry: For vibration testing of vehicle chassis, suspension systems, etc., optimizing their dynamic performance.
- Civil Engineering: For vibration analysis of bridges, buildings, and other large structures, assessing their seismic performance.
- Mechanical Equipment: For modal testing of various mechanical components, ensuring their safety and reliability in operation.
Advantages
- High Precision: Can accurately excite and measure different vibration modes of a structure.
- Strong Controllability: Allows adjustment of excitation force and frequency according to test requirements.
- Wide Applicability: Suitable for a range of materials and structures, from small components to large engineering structures.
Usage Considerations
- Calibration: Ensure the equipment is calibrated before use for accurate test data.
- Installation: Proper installation of the exciter and sensors is crucial to avoid errors.
- Environment: The testing environment should minimize external interference, such as mechanical noise and temperature variations.
The Modal Shaker is a crucial testing device in structural dynamics analysis. Through precise vibrational excitation and response measurement, it provides reliable data support for engineering design and safety evaluation.
