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Press Molding process

Process Description

Resin Transfer

Press equipment can be used to produce pressure and temperature as part of composite processing. Pressure is typically produced using hydraulic pistons and heat can be introduced using heated platens or external sources. Molds are used to manufacture shaped parts. Flexible bladders and external pressure can be used to overcome the limitation of the unidirectional piston force.

Typical Applications

Aircraft armor, vehicle armor, ballistic shields, non-complex shapes.

Press Molding Advantages

  • Quicker cycle time compared to autoclave
  • Lower capital equipment cost compared to autoclave

Press Molding Disadvantages

  • Difficult to achieve suitable pressure on complicated shapes
  • Higher cost of capital equipment versus resin infusion & RTM
  • Limited mold size including footprint and height
  • Can crush core materials