Sep 30, 2022
Blog
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Vibration shaker is used to simulate various environments encountered in the manufacturing, assembly, transportation and use of products, to identify whether the products can endure environmental vibration, and mechanical vibration shaker is suitable for the research, development, quality control and manufacturing of electronics, electromechanical, photoelectric, automobile and motorcycle, toys and other industries.
In the selection of vibration test device, it is important to properly set the required thrust (n) during the test. Calculate the required thrust according to F=ma, where m is the sum of the mass of the fixture, the mass of the tested product and the mass of the moving coil, and a is the acceleration. If the specifications of the test conditions can be met, the vibration test device corresponding to the test conditions will be selected. If part of it exceeds the thrust of the test device, first select the test device that meets the test conditions, and then calculate the thrust.
1. Different frequencies can be achieved: the frequency of high-frequency vibration table can reach 10000Hz, but it can't reach below 5Hz; Low-frequency vibration table, the frequency can reach 2000Hz, but the frequency exceeding 2000Hz can't reach it, but it can be as low as 2Hz.
2. Different uses: High-frequency vibration table, which is used for mechanical vibration test (large cabinet or computer case) on large packaged objects (products); Low-frequency vibration table, used for mechanical vibration test (mobile phones, connectors, small components) on small packaged objects (products).
From the manufacturer's point of view, the random thrust is the same as the sinusoidal thrust, so it can be considered that the maximum random acceleration in the vibrating table space is the same as that in the sinusoidal space. The random thrust is tested under certain test conditions, that is, in the high frequency range. If you do the low frequency test, you have to make a big discount.
The shaking table is suitable for the laboratory and production line of automobile parts, electronic components, components, medicine, food, furniture, gifts, ceramics, packaging and other industries to carry out related vibration tests on samples. Such as environmental acceptance test, quality appraisal test, reliability appraisal test, durability test, vibration simulation analysis, material property test, fatigue test, vibration prevention and improvement, etc. Simulate the vibration environment suffered by the product during manufacturing, assembly, transportation and use, so as to evaluate the vibration resistance, reliability and integrity of its structure. It is used to simulate the environment of electrical, electronic, auto parts and other products and goods involved in transportation during transportation, and to test the vibration resistance of their products. Realize all functions required for vibration test: sine wave, frequency modulation, frequency sweep, programmable, frequency doubling, logarithm, maximum acceleration, amplitude modulation, and time space control. Full-function computer control can be realized by upgrading, and acceleration/amplitude can be easily fixed. Through continuous trouble-free operation for 3 months, the equipment has stable performance and quality.
KRD70 hydraulic vibration shaker is suitable for vibration test with low frequency and high thrust. Its function is similar to that of electric vibration table, and it can realize sinusoidal vibration, random vibration, multi-point excitation and impact collision. It can reproduce the vibration of transportation tools such as containers, large packaged products, machinery, electricians and electronic products in the actual environment, so as to optimize the product structure and save costs.
It can complete sinusoidal vibration, random vibration and road spectrum simulation test.
The frequency can be as low as 0.1Hz.
Meet the curve requirements of ISTA conditions 1, 2, 3 and 6.
The maximum displacement (P-P) is up to 200mm
It can be used to simulate seismic excitation and ammunition loading with low frequency and high force characteristics.
