Classification of mechanical reliability tests

Reliability test is a means to investigate, analyze and evaluate the reliability of products. The purpose is to screen: to find various defects in the design, material and process of the product and to avoid the flow of defective products to the customer. Growth: Inform product reliability design improvements, reduce maintenance and support costs, and improve product reliability through design improvements. Qualification: To confirm that it meets the quantitative requirements of reliability.

According to the order of screening, growth and identification, reliability tests of products can be divided into:

Climate environment test: High temperature test, low temperature test, wet heat test, salt spray test, rapid temperature change test (temperature change rate 25 degrees /min), dustproof test, waterproof test, rain test, rain test, immersion test, temperature impact test, temperature cycle test, solar irradiation test, xenon lamp test, ultraviolet irradiation test, temperature and humidity combined cycle test, low pressure test, etc.;

Mechanical environment test: mechanical vibration test (random, sinusoidal), mechanical impact (half sine wave, back peak sawtooth wave, impact response spectrum) test, free drop test, crash test, seismic test, crash impact test, tilt and sway test, free fall test, packaging and transportation test, etc.

Hardening test: high accelerated life test (HALT), high pressure cooking test;

Reliability test: accelerated life test (ALT), MTBF test.

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