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  • Mould material (steel) selection

    Discussion in 'Plastic moulding' started by davidrdguez, May 29, 2017.

    1. davidrdguez

      davidrdguez New Member

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      Hi everybody,

      I want to design a mould for a carbon fiber reinfored plastic parts.

      Looking at the material choice I find many options. What is the criteria to choose a material?

      We bake the parts in an oven at 80-120ºC (175-250ºF); so thermal expansion is important.

      Also we tighten the mould with many screws with high torque; hardness is important.

      Thermal conductivity, the higher the better.

      What are the parameters one has to look into? I find steels with very similar properties, I don't understand what makes the difference.

      thank you in advance
      regards
       
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