Reliability testing is an activity that evaluates the functional reliability of the product in the specified service life and all environments (such as expected use, transportation or storage). It is to expose the product to natural or artificial environmental and economic conditions to withstand its effects, to evaluate the performance of the company's products under the environmental conditions that actually need to be used, transported and stored, and to analyze the problem to study the impact of environmental factors in varying degrees and their importance Mechanism of action.
The reliability test mainly includes
1. Climate environment test: high and low temperature test, high and low temperature alternate test, rapid temperature change test, low pressure test, protection level test;
2. Salt spray test: neutral salt spray, acid salt spray, copper accelerated salt spray and circulating salt spray;
3. Mechanical test: vibration test (random vibration, sweep frequency vibration), mechanical shock test, drop test;
4. Test the mechanical system performance: tensile performance, bending performance, compression production performance, pendulum impact;
5. Thermal performance test: heat distortion temperature, Vicat softening point, melting index;
6. Electrical system performance: dielectric strength, insulation material resistance, contact resistance, grounding influence resistance, voltage drop;
7. Material test: Xenon lamp aging test, fluorescent lamp aging test, material Shore hardness, pencil hardness, chemical resistance, color difference, gloss, adhesion, adhesion.
Reliability detection classification method
1. If it is divided by environmental development conditions, it can be divided into simulation system testing under various stress conditions and on-site testing;
2. The test items can be divided into environmental test, life test, accelerated test and various special tests;
3. If divided according to the purpose of test research, it can be divided into screening test, identification system test and acceptance test;
4. According to the nature of the test, it can also be divided into destructive test and non-destructive test.
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