Analysis of the reasons why electronic products need to do vibration test
If you can clearly understand the purpose of vibration test of electronic products, you must understand the necessity of vibration test
The purpose of the vibration test of electronic products is to make a series of controllable vibration simulations in the experiment, to test whether the product can withstand the test of transportation or vibration environmental factors during the life cycle, and also to determine the product design and function requirements standards. According to statistical data, increasing the design level by 3% will increase recycling by 20% and reduce unnecessary expenditure by 18%. According to different purposes, vibration simulation also has different methods such as resonance search, resonance dwelling, cyclic scanning, random vibration and stress screening, etc., and the effects of vibration are: 1. the strength of the structure 2. the loosening of the conjugate 3. 1. Protect the wear of materials. 4. Damage to components. 5. Poor contact of electronic components. 6. Short circuit and intermittent instability. 7. The standard value deviation of each piece. 8. Screen bad parts early. 9. Find the resonance relationship between parts, structure, packaging and delivery process, and improve its resonance factors. The vibration test procedure must evaluate the set test specifications, the authenticity of the fixture design, the functional inspection during the test and the evaluation, review and suggestion of the final test piece.
The vibration test of electronic products began to germinate about four or fifty years ago. When the theory was established, it did not help people miss its importance. Until the Second World War, many aircraft, ships, vehicles and equipment unexpectedly The percentage of found machine failures is quite high. The results of the study have found that most of them are caused by the structure ’s inability to resonate with the long-term resonance generated by itself, or the carried items are subjected to the resonance of transportation, and the components are loose, cracked The failure of mechanical parts even caused huge losses. When this result was announced, the vibration test was valued by all walks of life, and a large amount of money and manpower were invested. After that, after the establishment of modern theory of vibration measurement analysis and simulation analysis, the method and logic of vibration test were continuously improved. Especially nowadays, the frequent circulation of goods makes the vibration test more important.
1. Any product will be damaged during a certain period of time due to transportation, use, storage, and collision vibration.
2. It can really improve the design and production quality to help display the defects that the product can't see.
a) In quality, it can analyze the different vulnerable points produced by each batch of flash
b) The design is that it can analyze the broken points and vulnerable points
c) Durability measurement, to make the product durable to use and make the durable components improve early, the company's brand reputation will be better.
d) During production, it can be measured while vibrating completely, so that the product defect rate can be found early
The current world economic trend has moved from the past regional economic model to global economic trade. Whether it is a regional market or entering the global market, high-quality performance is beyond denial. The vibration test also helps your product jump into the indispensable weapon of high quality.
When the product reaches the user, vibrations in different states will occur during this process, causing different degrees of damage to the product. And any damage to the product is not what the manufacturers and customers are willing to see, but the vibrations that occur during the transportation process are unavoidable. If the packaging cost is increased blindly, it will inevitably cause serious and unnecessary waste, otherwise it is fragile. Packaging has caused high cost of products and lost product image and market. These are not what we want to see.
The requirements of electronic product vibration testing are to confirm the reliability of the product and to screen out the defective products before leaving the factory, and to evaluate the failure analysis of the defective products in order to become a high-level and high-reliability product.
Aisi Li specializes in the production of electromagnetic vibration test benches for constant temperature and humidity boxes, vertical vibration test benches, electronic product shaker high and low temperature impact test benches, and many years of production experience. Professional production environment testing equipment.
For more knowledge of environmental testing equipment, please visit the search "Aisili" Dongguan Aisili Testing Instrument Co., Ltd. looks forward to cooperating with new and old customers around the world for a win-win situation!
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