Mil-std-167-2a Pdf __link__
This covers general environmental vibration testing on a shake table. It simulates the background vibrations a piece of equipment will experience just by being bolted to a ship's hull. It also covers balancing requirements for rotating machinery.
Prevents catastrophic mechanical failures that could compromise the ship's operational capabilities or endanger the crew. mil-std-167-2a pdf
| Feature | MIL-STD-167-2A | MIL-STD-810H (Method 514) | | :--- | :--- | :--- | | | Navy Shipboard (Surface & Submarine) | General Military (Ground, Air, Sea) | | Frequency Range | 2 Hz to 50 Hz (often extended to 200 Hz) | 5 Hz to 500 Hz+ | | Duration | 2 hours per axis (Typically) | 1 hour per axis (Typical) | | Key Focus | Low-frequency, high-displacement vibration from hull flex | Broadband transport and operational vibration | | Contractual Use | Mandatory for Navy shipboard equipment | Optional unless specified by Navy | This covers general environmental vibration testing on a
The standard is intended to ensure that this machinery can operate reliably in military environments without causing structural failure, excessive bearing wear, or noise issues. Types of Vibration Covered (III, IV, & V) excessive bearing wear
Understanding MIL-STD-167-2A: The Standard for Mechanical Vibrations of Shipboard Equipment
Engineers utilizing the MIL-STD-167-2A PDF will find detailed guidelines across several critical areas of vibration analysis: 1. Torsional Vibration Analysis
Prevents fatigue failure in propulsion components.