OK-S-15 Mechanical Shock Test System
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Product Category | Domestic |
| Model | OK-S-15 |
| Instrument Type | General-Purpose Mechanical Shock Tester |
| Shock Energy | 1000 G (peak acceleration) |
| Impact Velocity | 4.5 m/s |
| Pendulum Moment (Impact Constant) | 350 N·m |
| Load Cell Range | 450 kN |
| Maximum Lifting Height | 500 mm |
Overview
The OK-S-15 Mechanical Shock Test System is an electromechanically engineered platform designed to replicate transient, high-acceleration mechanical shock environments encountered during transportation, handling, accidental drop events, or operational service life. It operates on the principle of controlled deceleration: a rigid test table—rigidly coupled to a high-inertia mass—is accelerated to a defined velocity and then abruptly arrested by impact against a programmable pulse generator, inducing a calibrated shock pulse in accordance with ISO 20282, IEC 60068-2-27 (Ed. 4.0, 2021), and MIL-STD-202G Method 213. The system delivers repeatable half-sine, trapezoidal, or rear-peak sawtooth waveforms with precise control over peak acceleration (G), pulse duration (ms), and velocity change (Δv), enabling deterministic evaluation of structural integrity, solder joint reliability, packaging efficacy, and functional survivability under shock loading.
Key Features
- Robust monolithic base frame with reinforced steel construction, ensuring minimal parasitic resonance and high modal stiffness (>120 Hz first bending mode)
- Dual-mode actuation architecture: pneumatic drive for high-energy semi-sine pulses (up to 1000 G) and electromagnetic assist for fine-tuned waveform shaping and repeatability
- Programmable pulse generator system with interchangeable anvil inserts (rubber, aluminum, lead, elastomeric composites) to tailor shock response per ASTM D7387 and ISTA 3A specifications
- Integrated high-fidelity triaxial piezoelectric accelerometer (IEPE type, ±5000 g range, 5% linearity) mounted directly beneath the test surface for real-time closed-loop verification
- Digital controller with Ethernet interface supporting IEEE 1588 precision time synchronization, enabling traceable waveform reproduction and audit-ready test logs
- Compliance-ready firmware with configurable pass/fail thresholds, automatic report generation (PDF/CSV), and optional 21 CFR Part 11-compliant electronic signature module
Sample Compatibility & Compliance
The OK-S-15 accommodates specimens up to 50 kg mass and 600 × 600 mm footprint, with adjustable clamping fixtures compatible with standard DIN 50111 and JIS C 0041 mounting interfaces. It satisfies essential requirements of IEC 60068-2-27 (Shock), MIL-STD-883 Method 2002 (Mechanical Shock), JESD22-B104E (Board-Level Shock), and USP for medical device packaging validation. Optional calibration certificates are issued per ISO/IEC 17025:2017 by accredited third-party laboratories, including traceability to NIST standards.
Software & Data Management
The OK-Control Suite v3.2 provides waveform synthesis, real-time oscilloscope view, automated test sequencing, and post-processing tools for SRS (Shock Response Spectrum) analysis per MIL-STD-810H Annex G. All raw sensor data is stored in HDF5 format with embedded metadata (timestamp, operator ID, environmental conditions). Audit trails record every parameter change, user login/logout event, and calibration action—fully compliant with GLP and GMP documentation requirements. Export options include XML (for integration with LIMS), MATLAB .mat, and industry-standard UNI-XML schema.
Applications
- Electronics: Drop testing of consumer devices (smartphones, wearables); validation of BGA solder joints under shock-induced shear stress; PCB flexural fatigue assessment
- Automotive: ECU housing integrity verification; sensor mount robustness under road-induced shock transients; headlamp assembly impact resistance per ECE R10
- Aerospace: Qualification of avionics enclosures to DO-160 Section 7; satellite payload separation shock simulation (trapezoidal pulse, ≥10 ms duration)
- Packaging: Corrugated box performance rating per ISTA 3E and ASTM D4169; cushioning material characterization using velocity-change-based metrics
- Industrial Components: Relay contact bounce analysis; switch actuation reliability under repeated mechanical shock; connector mating/unmating force degradation studies
FAQ
What shock waveforms does the OK-S-15 support out-of-the-box?
Standard waveforms include half-sine (0.5–30 ms), rear-peak sawtooth (2–25 ms), and trapezoidal (5–50 ms), all configurable via front-panel interface or remote SCPI commands.
Can the system be integrated into an existing vibration + shock qualification lab?
Yes—the OK-S-15 features RS-485, Ethernet/IP, and analog trigger I/O ports, enabling synchronized operation with electrodynamic shakers (e.g., LDS V875, TIRA TV 51120) for combined environmental stress screening per MIL-STD-810H Method 516.6.
Is third-party calibration included with purchase?
Factory calibration is performed pre-shipment using NIST-traceable accelerometers and laser vibrometry; optional ISO/IEC 17025-certified calibration with uncertainty budget is available upon request.
Does the system meet FDA or EU MDR requirements for medical device testing?
The hardware and software architecture supports 21 CFR Part 11 compliance when configured with password-protected user roles, electronic signatures, and immutable audit logs—validated per IEC 62304 and ISO 13485:2016 Annex A.
What maintenance intervals are recommended for long-term waveform fidelity?
Annual verification of pendulum moment constancy, air pressure regulator stability, and accelerometer sensitivity drift is advised; OK Instruments provides certified field service kits and remote diagnostics support.
