During the SMC (Sheet Molding Compound) pressing prefabricated SMC panels are molded in a desired component shape using a heated pressing tool. The SMC plates are produced in-house at Wethje by Mitsubishi on its own SMC plant. The size of the SMC panels isn’t defined by the component- and toolsize like PCM, but by the weight/volume of the desired component. After placing the SMC material in the press and the pressing tool closes, the panel dispersed fluently throughout the entire tool. The resin/hardener impregnated carbon material reacts with the temperature of the mold and cures to a finished SMC component within a few minutes.
During the PCM (Prepreg Compression Molding) process prefabricated preforms (performed CFRP-prepreg layers) are pressed into the respective component shape in a press tool.
The prepregs are cutted in a desired component size and performed in a component shape. In the PCM process, a wide variety of layer structures an materials are possible.
The created preform is is now cured under pressure in the PCM process step in a press using a heated press tool.
After a few minutes, the finished PCM component can be demolded. The PCM technology is therefore particularly suitable for high-volume components that can be produced in a short time. PCM can also be used to produce CFRP visible components.