Hand Lay-Up

Overview
Fiber reinforcements are placed by hand then wet with resin.

Raw Material
The manual nature of this process allows for almost any reinforcing material to be considered, chopped strand or mat.  Similarly, the resin and catalyst blend can be manipulated to allow for ideal processing conditions.

Tooling
Single sided, typically composite tools are used for this process

Finishing
Hand lay up parts normally have one visible, smooth side.  A gel coat can be added during molding to produce cosmetic finished surfaces.

Benefits Disadvantages
  • Flexibility in material design
  • Lower cost to tool
  • Ideal for lower volumes
  • Higher cycle times
  • Produces only one smooth surface
  • Somewhat inconsistent in part thickness

 

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