Reduce noise pollution to achieve silent mode

Shenzhen ZhaoWei Machinery & Electronics created in 1997, which is a manufacturing enterprise R&D and production of precision transmission system with high and new technology. Owned by a professor, doctor, master and senior engineer of r&d team, totally more than 100 people. Customers around the world to provide transmission scheme design, mold manufacturing, parts production and assembly and other one-stop service. The main products are auto parts, industrial equipment, intelligent household, standardization of medical apparatus and instruments, gear box, etc.

Customized drive system scheme of the project are: planetary gear box service plan, times easily African massager hand wheel box, the toilet cover, a base station antenna electric gear box, gear box smartphones photo printer gearbox gear motor, electric car door push rod, EPS electronic parking system slowdown motor, orthopaedic surgery wound cleaning pump, arc rack micro gear motor, etc. Noise optimization is defined as systematically altering the acoustic quality of the noise in order to achieve the best possible value. The acoustic quality represents the degree to which the requirements relating to the totality of individual requirements in an auditory event are met. Acoustic quality includes three different types of independent variables: # Physical independent variables: These variables relate to the sound field . Psychoacoustic independent variables: These variables describe how the sound is perceived in human hearing. Psychological independent variables: These variables relate to how the sound is evaluated when it is heard. Ideally, the objectionable sound field is reduced to the threshold of hearing . Since this often is not technically or economically feasible, one can try to affect the noise and alter it in such a way that undesirable and objectionable noise components are eliminated. If one wishes to define acoustic quality, the perception threshold of various sound scapes must be taken into account, above all in conjunction with Optimization: efforts to systematically influence sound and vibration excitations 39 undesirable and objectionable noises. Here, it is likewise important not to establish any requirements that are not technically or economically feasible. These thresholds of perception were investigated by ZWICKER, and they are stated more precisely in. While the human ear can register a sound level difference of 0.2 dB with a 1-kHz tone at a sound pressure level of 80 dB, at 20 dB it can only distinguish a difference of 1 dB. Any questions or inquiry, please call us at hotline: 86-755-27322652 or visit our website at: http://www.zwgearbox.com and send your messages, Joint Exploration is warmly welcomed!