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Plastics worked by shearing after leaving extruder - using mandrel revolving in cylinder with liquid seal
Plastics worked by shearing after leaving extruder - using mandrel revolving in cylinder with liquid seal
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机译:离开挤出机后通过剪切加工的塑料-使用心轴在带有液封的圆筒中旋转
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摘要
A shearing or mixing appts. is used for working plastics, esp. reacting mixts., pref. after they leave an extruder and before they reach the injection head. The appts. comprises a revolving mandrel in a housing. The gap between mandrel and housing is sealed by a barrier liquid. This liquid may be either a non-reacting mass having a similar viscosity to the mixt., esp. the principal component of the mixt. (e.g. the plastics component without expanding agent in the case of a foam, or a two-component or multi-component non-reacting mixt.
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