Latest R&D by Broadwater Moldings Reveals Efficient New Molding Technique

February 08 (2021

Broadwater Moldings has been developing a molding technique to produce high quality finished parts in a fraction of the time it takes for usual methods. The company has a wide portfolio of molding processes, but the two most frequently used are closed mold, Low Pressure Press Molding (LPPM) and Resin Transfer Molding Light (RTML).

RTML mold tools are relatively low cost as they are produced in house from composite and reinforced with wood and steel frames. This type of tooling is often referred to as soft tooling. Production rates can be as high as 4 to 5 parts per day, but are limited by injection times.

With LPPM, the process is capable of producing one molding per hour (eight per shift, twenty four over three shifts) on average, and can be even higher on very simple parts. The down side of this process is the cost of the tooling, which needs to be either metal, or metals faced.

With thorough research and development, Broadwater has been able to devise a new method of LPPM by adapting the soft tooling technique from their RTML press. This newly developed method of LPPM is capable of doubling the production rates of the RTML method, and has all the benefits of the LPPM process; high A surface quality, consistent component thickness, and a high quality smooth B surface.

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