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SANKO GOSEI

CFRP: Rib-integrated moulding (thermoplastic) ①

The company aims to expand the range of applications for CFRP as a product by adding bosses and ribs as one of its application developments.

In particular, with thermoplastic CFRTP, bosses and ribs can be welded by heating the material in the same way as in injection moulding. Recently, attention has focused on integral moulding, where bosses and ribs are also moulded at the same time during press moulding.


However, in order to achieve integral moulding, the moulding must be carried out under high-pressure conditions.

(1) Increase in press equipment (moulding costs)

(2) Increased moulding cycle time

(3) Decrease in physical properties due to fibre disorder

(3) Decrease in physical properties due to fibre disorder.

We have therefore devised a mould (nest) to enable ribs to be formed even under low-pressure conditions, and have achieved low-pressure moulding.


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