A Twin screw extruder not alone shares the accepted operation attempt with a individual spiral extruder: solid conveying, melting, admixture of pressurizing and pumping up, etc., but aswell owns its audible characteristics. There are several factors that accouterment the abstraction of basal attempt of co-rotating Twin Screw Extruder, such as the backward analysis of banishment theory, assorted types, circuitous spiral geometry, and complicated extruding process.
Basically speaking, the abstraction of accompanying spiral extruding approach is still at the antecedent stage, which indicates that the abstraction is still added art than science. There are three links of its operation attempt according to the extruding process:
The architecture of Twin Screw Extruder and enhancement of extruding action could be bigger by actual change laws, carrying approach ,including back of solid and melt, aswell gas bushing and ejecting characteristics, which can anatomy a mathematics and concrete archetypal in the extruding process.
Make abiding to accept a bright command of the change adjustment of two or added polymers and abstracts in the extruding process, their bond state, the action of their structural change, and the accord amid final mixtures and their functions.
A archetypal that is accessible for the molding-filling action can be formed by the centralized accord a part of the acknowledgment process, speed, action of extruding action and screw’s structure, as able-bodied as operation condition.
The development of Twin Screw Extruders: it was aboriginal invented in 1930s in Italy, while in the backward 1960s and aboriginal 1970s, it accomplished a accelerated development. With the development of RPVC products, counter-rotating Twin Screw Extruder came into being; while co-rotating Twin Screw Extruder appeared, companying with the polymer modification. It is advantageous to abstraction the accompanying spiral extruding theory, because it can not alone be activated effectively, but aswell has become a accord and a hot analysis in the world.