Abstract
Noise characteristics (NC) machine is one of the main indicators of its quality and competitiveness on the world markets. Scientific and technical work to improve the noise characteristics are relevant and modern. Work focuses on the study of the emergence of the technological equipment of acoustic phenomena. Was selected method of determination and equipment, according to the international standards ISO “Acoustics” taking into account the acoustic properties of the surrounding space. Been established NC machines for grinding meat and fish under operating conditions the in various modes. The maximum value for the characteristic A sound power level (SPL) machines produced at idling 79,7 dBA. When the machine comes with the product decline USM on the characteristics A 7.3 dB. It was found exceeding the maximum allowable sound power level at medium frequencies on 2 dB. Impact the components of machines on its NC depending on variables technological factors - the module of elasticity of the product and the effort on the pushrod. Increase modulus of elasticity SPL machines decreases and increase efforts on the pusher Machines USM increases. It was found negative impact construction machines part sat USM. Should be increased rigidity design of the machine.
Highlights
Предельно допустимая шумовая характеристика (ПДШХ) LANC уровни звуковой мощности (УЗМ) машины без продукта на холостом ходу (XX) sound power level (SPL) at idle move УЗМ машины при измельчении мяса SPL machinery grinding the meat УЗМ машины при измельчении мяса с повышенным содержанием соединительной ткани SPL machinery grinding the meat with connective tissue
Kvilinskii proposed a scheme of the experiment and organized production trials
Summary
ПДШХ LANC УЗМ машины без продукта на холостом ходу (XX) SPL at idle move УЗМ машины при измельчении мяса SPL machinery grinding the meat УЗМ машины при измельчении мяса с повышенным содержанием соединительной ткани SPL machinery grinding the meat with connective tissue
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