MIL-810 acceleration testing is performed to determine if materials can withstand inertia loads. As a MIL-STD-810 certified lab, we realize the importance of MIL-810 standard acceleration testing. Meeting the MIL-810 acceleration testing requirements can be difficult. Keystone Compliance understands the challenges and guides companies through the process.
Keystone Compliance partners with customers to achieve MIL-STD-810 product compliance. Our accurate test reports are delivered quickly. Keystone also creates an accurate test plan to eliminate expensive over-testing. We have a reputation of helping customers achieve their MIL-STD product certifications. Lastly, Keystone takes a consultative approach throughout the entire test program.
Request a quote to learn why we are one of the fastest growing compliance test labs in the country. Have a question about MIL-810 acceleration testing conditions? Contact us or call (724) 657-9940 and we will determine the best course of action.
The Importance of MIL-STD 810 Acceleration Compliance Testing
Test method 513, acceleration test, is performed to ensure material can withstand the steady state of inertia loads. These loads are induced by platform acceleration, deceleration, and maneuver in the service environment.
MIL-STD-810, test method 513, is also used to assure that material does not become hazardous after exposure to crash inertia. Lastly, this MIL-STD 810 test method is applicable to material that is installed in aircraft, helicopters, manned aerospace vehicles, etc.
Keystone Compliance is a fully equipped MIL-STD-810 standard and military testing lab with experience in MIL-810 Acceleration compliance testing. The following information contains the testing language and summary from MIL-STD 810. Be sure to tailor the noted points specifically to the material that is being tested.
How Method 513 of MIL-STD Testing Affects Products
After examining the previous sections, use the following to confirm the need for this MIL-STD-810 acceleration test method. Then place it in sequence with other methods.
Acceleration can result in loads on mounting hardware and internal loads within material. Note that all elements of the material are loaded including fluids. The following list is a partial list of harmful effects of high levels of acceleration.
- Structural deflections that interfere with material operation.
- Permanent deformation, structural cracks, and fractures that disable or destroy material.
- Broken fasteners and supports that result in loose parts within the material.
- Broken mounting hardware that results in loose material within a platform.
- Electronic circuit boards that short out and circuits that open up.
- Inductances and capacities that change value.
- Relays that open or close.
- Actuators and other mechanisms that bind.
- Seals that leak.
- Pressure and flow regulators that change value.
- Pumps that cavitate.
- Spools in servo valves that are displaced causing erratic and dangerous control system response.
Information of the MIL STD Acceleration 810-Test
When selecting the correct MIL-STD 810 Compliance procedure, the life cycle profile of the material to determine the test sequence is examined. Normally, acceleration lab testing is experienced after storage and transportation environments and often near the end of the life cycle. Shock, vibration, and thermal stressing prior to acceleration testing is recommended. This will reveal failures that would not occur with unstressed items.
There are also a variety of conditions needed to fulfill the procedure with confidence. The MIL-810 Acceleration tests vary in acceleration level, axis of acceleration, duration, test apparatus, and on/off state of test item. Be sure to obtain acceleration values for the respective individual material items from the platform structural loads analysis.
Items should be subjected to Procedure I and II tests unless otherwise specified. Manned aircraft material that is located in egress or ingress routes should be subjected to Procedure III. Lastly, Procedure IV is a special case for strength testing material that cannot be assessed by procedure I and II.
Procedure I – Structural Test – This Procedure is used to demonstrate that material will structurally withstand loads induced by acceleration. As mentioned above, this procedure is recommended to be tested with Procedure II.
Procedure II – Operational Test – Procedure II is used to demonstrate that material will operate without degradation. This includes during and after being subjected to loads induced by in-service acceleration.
Procedure III – Crash Hazard Acceleration Test – This Procedure is used to disclose structural failures of material that may present a hazard to personnel during or after a crash. The test is intended to verify that the material mounted will not fail. Likewise, it verifies that sub-elements are not ejected during a crash. The crash hazard can be evaluated by a static acceleration test and a transient shock test (Method 516).
Procedure IV – Strength Test – The final procedure is primarily intended to generate specific loads in primary structures using sine burst testing. This MIL-810 test may be used as an alternative to static pull or centrifuge testing. The sine burst test is a base-driven test where items are subjected to two to ten cycles of sinusoidal input.
Keystone Compliance Provides Experienced MIL-STD Acceleration Testing
Here at Keystone Compliance, we employ expert engineers and properly equip our acceleration, method 513, and MIL-STD 810 lab in order to provide the needed certifications.
Keystone has a full lab of test equipment which permits us to provide short lead times on scheduling. In addition to MIL-STD-810 acceleration testing, Keystone has a full scope of expertise including freeze-thaw, rain, immersion, and humidity. Our team strives to give our customers more time and energy on product development instead of testing.
Contact us to learn why so many manufacturers rely on Keystone Compliance to meet their MIL-801 compliance testing needs and testing standards.