Importance of Vibration Tests
In modern industrial production and research, ensuring product reliability in complex environments is crucial. As specialized equipment for simulating vibration environments, vibration tables play an indispensable role. They accurately simulate bumps during electronics transportation or vibration impacts on auto parts. They help enterprises and institutions comprehensively evaluate product performance.
Classification and Impact of Vibration Tests
The purpose of vibration test is to determine any mechanical weakness and / or degradation in the specified performance of specimens and to use this information, in conjunction with relevant specification, to decide upon the acceptability of the specimens.Thus, vibration test can help to evaluates product reliability before release, reducing defective rates and defining design standards. Common vibration types include sine vibration and random vibration. Sine vibration testing is a deterministic and simple process, suitable for diagnostic and life tests. Random vibration simulates real-world random vibrations to assess product durability and safety.
Vibration tests simulate environments with parameters: frequency range, amplitude, and duration. Vibration can cause structural damage, such as deformation, cracks, or fractures. It may also lead to functional failures, like poor contacts or relay malfunctions, which are reversible when vibration stops. Process-related damage includes loose screws or solder joints.
Vibration tables: Versatile Environmental Simulation Experts
Vibration tables generate vibrations via mechanical or electromagnetic excitation to simulate real-world scenarios. Take electromagnetic vibration tables as an example: their design offers sweep and fixed-frequency modes. Sweep mode varies frequencies continuously within a range to simulate different working conditions. Fixed-frequency mode suits long-term stability tests for specific frequencies. These test benches apply widely in R&D for electronics, electromechanical, and optoelectronic communications, and aid quality control in packaging, auto parts, and toys.
Market options include mechanical, electromagnetic, and electro-hydraulic vibration tables, with electromagnetic types being most popular. The HZ-4006A electromagnetic three-axis vibration table supports fixed, sweep, multiple-frequency, and random vibration modes. It extends frequency ranges to 3000Hz (typical 1-600Hz) with customizable table size and load capacity for electronics, auto parts, and aerospace products. The detail specification as below:
Frequency adjusting range | 1-600Hz |
Loading capacity | 50KG (max.) |
Frequency resolution | 0.1Hz |
Control unit | LCD touch screen |
Vibration amplitude | 0-5mm |
Excitation method | electromagnetic |
amplitude modulation method | Electronic AM |
Vibration direction | 3-axis (X,Y, Z) |
Vibration wave-sharp | Sine Wave |
Test modes | Fixed frequencies, sweep frequencies, Frequency doubling, program, random |
Time setting range | 0-9999H/M/S |
Test cycles setting range | 0-9999 |
Dimension of working bench | L1000mm*W1000mm |
Overall size | L1000mm*W1000mm*H790mm |
Input power | 220V/50Hz |
Power consumption (max.) | 3.2KVA |
Cooling mode | Air-cooling |