Most CFRTP is hot-pressed from laminated prepregs, but without sufficient pressing pressure, voids (voids) will be created and strength will be reduced.
Without sufficient pressing pressure, voids (voids) are created and strength is reduced.
On the other hand, if the press pressure is increased, resin will flow out, which is also a factor in strength reduction.
This is also a factor that reduces strength.
Sanko Gosei has developed the following molds for molding, enabling molding that takes advantage of the strength of carbon fiber.
In-mold pre-molding
Pre-molding is performed in the mold Advantages: shorter molding time, increased strength
PL Cooling
Cooling tubes are placed in the mold around the PL to start cooling at the same time as pressing.
Advantages: Prevention of resin leakage, improved impregnation
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