MIL-STD-810H 方法 514.8（振动）测试设备在各种运输模式（卡车、铁路、船舶、飞机）振动环境中的生存能力。对于用于直升机、船舶和崎岖道路的防护箱，此测试至关重要。我们的 8 系列防护箱针对 3 个轴都进行了随机和正弦振动测试。
| 样品 | 随机振动 | 正弦振动 | 功能检查（之后） | 通过 |
|---|---|---|---|---|
| 单元 1 | 无损坏 | 无损坏 | 通过 | ✓ |
| 单元 2 | 无损坏 | 无损坏 | 通过 | ✓ |
| 单元 3 | 无损坏 | 无损坏 | 通过 | ✓ |
此测试满足以下场景的振动要求：
方法 514.8（振动）测试设备在各种运输模式振动环境中的生存能力。
随机振动 5-500 Hz，正弦振动 5-200 Hz。
3 个轴（X、Y、Z），按标准程序。
Vibration testing simulates the random and sinusoidal vibrations cases experience during transport, particularly air freight, sea freight, and vehicle-mounted applications. It ensures cases can protect contents under realistic vibration conditions.
Sinusoidal vibration: single-frequency, swept (e.g., 5-500 Hz). Common in legacy military and aerospace testing. Random vibration: simultaneous multi-frequency, statistically defined power spectral density. Common in modern transport testing (ASTM D4169, ISTA 3A).
Common standards: Mil-Std-810 Method 514 (vibration), ASTM D4169 (Transport), ISTA 2A/3A/3E (transport simulation), RTCA DO-160 (aircraft), IEC 60068-2-6 (vibration), and Mil-Std-167 (shipboard). We test to customer-specified standards.
Cases are mounted on a vibration table (electro-dynamic or hydraulic shaker) and exposed to defined vibration profiles for 1-3 hours per axis (X, Y, Z). Acceleration levels: 1-5 Grms random, 2-10g sinusoidal. Cases are inspected for damage and contents are checked for displacement.
Cases for: air freight (helicopter, fixed-wing), vehicle-mounted applications, shipboard equipment, rail transport, off-road vehicles, and any application with rotating machinery. We recommend vibration testing for all cases used in transport.
Common failure modes: latch loosening, hinge failure, foam compression set, hardware loosening, weld cracking, paint chipping. We design cases to avoid these modes through FEA simulation, prototype validation, and field testing.
Standard vibration test: 1-2 hours per axis (3-6 hours total). Full qualification: 2-3 days including pre-conditioning, random + sinusoidal profiles, post-test inspection. Detailed test reports provided with vibration response curves.
Yes. Our military and aerospace-grade cases are tested per Mil-Std-810 Method 514.8 (vibration) for helicopter (Category 14), fixed-wing jet (Category 14), and tracked vehicle (Category 20) profiles. We test in our in-house lab and verify with third-party labs annually.
Yes. Cases are designed to withstand vibration without damage. Foam may show minor compression set (5-10%) but recovers. Hardware should be re-torqued after initial vibration exposure. We provide a 'post-vibration inspection checklist' for field use.
Yes. We provide vibration test reports on request with NDA. Reports include: vibration profile, exposure time, post-test inspection photos, foam compression measurements, and certification signature. Available in PDF, CSV, and JSON formats.