Glass manufacturers products in more than 300 years ago still rely mainly on artificial shape, then gradually replaced by semi-automatic or automatic mechanical forming, this enabled glass glass production to high efficiency, high speed, refinement, in the industrial production of high demand, products such as delicate, flat glass, glass bottles, glass and fiber,Optical glass and other products using automation, mechanization of production, for gifts, lighting and colorful blood is more artificial or semi-artificial forming method.
These glass bottles products due to its shape, single weight and wall thickness is different, different glass, molding method also each are not identical, look from the method can be divided into the following a few, pressure molding, blow into shape, to molding, forming, float drawing forming and injection forming, such as leakage, such as glass bottles and blow - method in pressure - blowing method, flat glass used float, between, overflow inferior method,The glass tube is drawn vertically and horizontally.
Although the forming method is different, but are the use of the glass viscosity with temperature reduction and continuous rapid increase in this property, with the change of viscosity glass can flow, gradually hardened into viscoelastic and solid, in the process of influencing forming and crystallization performance, surface tension, thermal conductivity, etc.
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