Abstract
This paper puts forward a scheme to form perlite sound absorption boards by vibration molding according to the material properties and the characteristics of vibration forming method. In the trial, the feasibility and reliability of this method were confirmed by studying the effect of working pressure, frequency and vibration force on the quality of the perlite sound absorption board. Besides, a series of recommended parameters for better forming was proposed. Through the discussion on the characteristics of the perlite sound absorption board after vibration molding, it is verified that different molding methods have a great influence on the quality and performance of the perlite sound absorption board. In addition, the conclusion which provides a basis for further research on forming method of similar boards shows that the density of the finished products formed by vibration molding method is more uniform.
Highlights
Combining the functions of sound absorption, fire prevention, thermal insulation, heat insulation, etc., perlite sound absorption board is a kind of new building material which has a broad market prospect [1]
With the increasing market requirements of perlite sound absorption board, it is an urgent need to solve the problems in production process
This paper started from the principle of vibration molding and combined it with the characteristics of raw materials and production process of perlite sound absorption board to put forward a new method to form perlite sound absorption board by vibration molding
Summary
Combining the functions of sound absorption, fire prevention, thermal insulation, heat insulation, etc., perlite sound absorption board is a kind of new building material which has a broad market prospect [1]. With the aggregate of expanded perlite, configured with inorganic adhesive as well as curing agents, perlite sound absorption board is usually formed by extrusion molding and drying processes. With the increasing market requirements of perlite sound absorption board, it is an urgent need to solve the problems in production process. This paper started from the principle of vibration molding and combined it with the characteristics of raw materials and production process of perlite sound absorption board to put forward a new method to form perlite sound absorption board by vibration molding. The influence of vibration parameters on molding effect and the characteristics of the products were summarized through the analysis of simulation results
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