Tooling Technology

The molds used for forming composites, also known as tools, can be made from virtually any material. For parts cured at ambient or low temperature, or for prototyping, where tight control of dimensional accuracy isn’t required, materials such as fiberglass, high-density foams, machinable epoxy “boards” or even clay or wood/plaster models are often suitable. Tooling costs and complexity increase as the part performance requirements and the number of parts to be produced go up. High-rate production tools are generally made of robust metals that can stand up to repeated cycles and maintain good finish and dimensional accuracy.
Features

JEC World 2016, the full report

CompositesWorld's editors report on the technologies and products that caught our eye at JEC World 2016, in early March.
Features

Aircraft composites repair moves toward maturity

New technologies seek to address the challenges MROs will increasingly face in the age of commercial airliners with composite airframes.
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New Product

DUNA-USA launches high-temp, low-CTE tooling board

DUNA-USA Inc. (Baytown, TX, US) has introduced Black Corintho, a high-temperature, high-density, low-coefficient of thermal expansion (CTE) tooling board for prototyping, composite layup tooling, and master model making.