Provide a variety of environmental vibration testing
The purpose of vibrating screen factory test is to check whether the parameters of vibrating screen meet the design requirements. The main test items include amplitude, direction Angle, vibration frequency, resonance amplitude when stopping, noise, power, bearing temperature rise, stress and modal testing, etc. Generally, the test is carried out without load.
Product range:
Steady state vibration: rotating machinery (such as fans, generators, motors, water pumps, etc.) and reciprocating machinery (such as diesel engines, air compressors, textile machines, etc.) caused by environmental vibration.
Impact vibration: Impact vibration is the environmental vibration with sudden change of vibration level. Including forging and pressing machinery (such as forging hammer, punch, etc.) and construction machinery (such as pile driver, etc.) and blasting caused by environmental vibration.
Random vibration: Random vibration is the environmental vibration that cannot be determined in advance at any time in the future. Including road traffic and bridge vibration and residential vibration (such as house decoration, kitchen operation, etc.) caused by environmental vibration.
Mixed vibration: Mixed vibration is the environmental vibration caused by the simultaneous action of two or more kinds of vibration (such as rotating machinery and construction machinery working together) in steady state vibration, impact vibration and random vibration.
In the environmental vibration test, vibration measurement includes two types: one is the vibration measurement of the object that causes noise radiation; The second is the measurement of environmental vibration.
Service project:
1. Testing standard (part)
| Monitoring category | Number of monitored items |
| Ambient vibration detection | GB/T 4857.7,ISO 2247,ASTM D999,GB/T 4857.10,ISO 8318,ASTM D3580,ASTM D4169,GB/T 4857.23,ISO 13355,ASTM D4728 |
The most commonly used vibration mode can be divided into sinusoidal vibration and random vibration. Sine vibration test method is often used in laboratory, to simulate rotation, pulsating, volatility (in ships, aircraft, vehicles,) generated by the vibration and the analysis of the product structure resonance frequency and resonance point resides validation is given priority to, it is divided into frequency sweep vibration and fixed frequency vibration, its tougher depends on the frequency range, amplitude value and test duration. Random vibration is evaluated by simulating the overall structural strength of the product and the transportation environment in the packaging state. The severity of random vibration depends on the frequency range, GRMS, test duration, and axial direction.
2. Certification services
CCC, CQC, CQM, CB, CE, GS, EMF, ErP, UL, ETL, FCC, CEC, DOE, SAA, RCM
We are committed to the testing and international certification of information technology, audio and video, home appliances, lamps, wireless communications, power tools and machinery, electronic instruments, medical instruments and other types of products. We have obtained the qualification recognition of UL, Intertek, CSA, MET, TUV-RH, TUV-SUD, SGS, NEMKO, FCC, IC and many other international certification bodies. We can provide customers with professional and authoritative one-stop testing and certification services.
The test report issued by Global Zhongyi has legal effect and can be used in scenarios such as the entry of supermarkets, product appeals, anti-malicious rights protection, and auctions (appeals and auctions must meet Party A's testing requirements).
