Abstract
As the first step of a drainage mechanism study on a blade type Twin-Wire forming, a pulse pressure generation mechanism was investigated from an experimental stand point of view in the previous report.This report relates to a theoretical analysis of the drainage mechanism. A drainage model and a simulation program have been developed based on the hypotheses made up in the first step. The simulation results affirmed the hypotheses, i.e., the pulse pressure is generated by a change in a stock thickness between two wires when the stock is chocked at a leading edge of a blade and primary factors affecting pressure level are a breaking angle at the edge and a drainage resistance though a mat.Through these studies the drainage mechanism in the blade type Twin-Wire forming has been established.
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