Jul 08, 2023
Blog
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Shock testing is generally a test method to determine the safety, reliability and effectiveness of military and civilian equipment undergoing external impact or the role of the product. shock testing mainly assesses the product should be able to withstand the harsh level of impact capacity and the integrity of the product structure and function, the sample under test in the mechanical shock testing, the sample should be directly fastened to the table or through the fixture fastened to the table.
Common mechanical shock waveforms are: half-sine wave, post-peak sawtooth wave, trapezoidal wave, the user can carry out the corresponding waveform mechanical shock testing according to the actual use of their products. The shock testing is used to evaluate the shock resistance of the product circuit and the overall structure when the product is subjected to mechanical shock during transportation, loading and unloading and use, in order to determine the adaptability and integrity of the product.
Bump testing is used to evaluate the transport packaging in the process of transport to withstand repeated mechanical bump impact strength and packaging for the protection of the contents, the severity of the test depends on the distance, road status, mode of transport and transport time. Crash testng can be seen as a repetitive impact accrual.
In various industries such as aviation, aerospace, marine, electronics, etc., many products are susceptible to shock and bump during use, handling and transportation. The impact of these values vary greatly, and has a complex nature, the quality and reliability of the product has a great negative impact. Shock & bump tests have various purposes, such as:
To determine if the performance of a product fails when subjected to a series of shocks.
To assess the ability of the structure and function of the equipment to withstand the infrequent impacts of handling, transportation and use environments;
Determine the vulnerability of equipment for packaging design to protect the structural and functional integrity of the equipment;
Test the strength of equipment fixtures, which are installed on platforms where bumps may occur;
Determine the resilience of components in transport, handling and military operations that may be subjected to the effects of shock and bump;
Shock and bump reliability testing is applicable to determine the weakness of the machinery and assess the structural integrity of the product.
CME mechanical environmental shock/bump test equipment is used to measure and determine the shock resistance of a product or package, and to evaluate the reliability and structural integrity of a product in an impact environment. CME test machines perform conventional half-sine, post-peak sawtooth, trapezoidal and other waveform shock testings to achieve the shock wave and shock energy that the product would be subjected to in a real-world environment, resulting in improved product or package construction.
CME can provide the following types of mechanical environmental shock/bump test systems
KRD10 Hydraulic Vertical Shock Test System
KRD11 Pneumatic Vertical Shock/Bump Test System
KRD12 Pneumatic Horizontal Shock/Bump Test System
KRD13 Pneumatic High Energy Vertical Shock Test System
KRD16 High Impact Shock Test System
KRD17 Pneumatic Bidirectional Vertical Shock Test System
KRD20 Pneumatic Bump Test Machine
Meet the standards
Domestic standards: GB / T2423 GJB150 GJB360 GJB548 GJB4.8 GJB1217...
International standards: MIL-STD-810F IEC68-2-27 MIL-S-901D MIL-STD-883 MIL-STD-202 MIL-STD-750 ...
Equipment features
Stable control system based on windows, fully automatic remote control interface
Automatic control of lifting height, high precision, good repeatability
Advanced design, high degree of automation, high reliability, simple operation, easy maintenance
A variety of waveforms; conventional half-sine wave, post-peak sawtooth wave or trapezoidal wave can be executed
Built-in braking mechanism, to avoid secondary bounce collision, safer positioning of the table
Pneumatic drive, simple structure, high reliability
The use of high-strength, high hardness cast aluminum table top, with a high level of resonant frequency, low noise, no noise
Easy to install: comes with a base, no special foundation, easy to install
Classic impact waveform
The CME shock&bump test system can be equipped with a half-sine waveform generator, a post-peak sawtooth waveform generator and a trapezoidal waveform generator. The half-sine waveform generator is mainly made of engineering rubber (considering the stiffness and polymerization force of rubber) and various thicknesses of felt pads, etc. Different thicknesses are connected in series with each other to form a variety of stiffnesses to achieve different impact pulse widths; the rear peak sawtooth waveform generator is a lead cone; the gas source of the trapezoidal waveform generator is high-pressure nitrogen gas, with a pressure range of 1 to 10 MPa, and the overload value can be adjusted between 10 and 100g.
