MANUFACTURING A DISPLAY MOUNT CUSHION FOR A MARINE APPLICATION Rogers PORON® Polyurethane Foams Stand Up to Harsh Environments
THE CHALLENGE:
Marine applications encounter humid and wet environments, so a material’s resistance to water and other fluids is especially important. When an original equipment manufacturer (OEM) of marine industry products approached CGR Products requesting a gasketing and cushioning system, CGR knew PORON Polyurethane Foams from Rogers Corporation were best suited for the job.
The primary challenge CGR faced in creating this particular gasket system was the diverse set of functions it would need to serve. Manufactured for an industrial-duty touch screen display, the marine application’s environment was very harsh — the gasket would be expected to weather vibrations, physical shocks, and temperature fluctuations. The product also required a high degree of conformability.
Touch screens are not normally subjected to such rigors, so a premium was placed on protection. In order to meet such a variety of critical requirements, CGR Products looked to Rogers and their family of PORON Polyurethane Foams to create a foam housing for this industrial-duty touch screen.
WHY PORON?
PORON Polyurethane Foams, particularly the PORON 40 and 50 Series, are known by industrial designers for their exceptional durability and long-term performance. Highly resilient, these foams offer good levels of vibration isolation and impact absorption — crucial for this cushioning system. PORON foams are also easily die cut and accept adhesive application.
Because of these factors, and due to a number of other additional benefits, CGR Products chose PORON 40 and 50 Series foams for the job to ensure protection against the gasket’s harsh environment.
THE SOLUTION:
To maintain both conformability and a high degree of shock absorption, the end product required two levels of compression deflection resistance and durometer be combined into one part. The completed system required four different gasket components to be manufactured and assembled — CGR Products designed the new assembly process from the ground up.
Because of the part’s complexity, CGR applied multiple fabrication capabilities to the part, which included:
•A Cevenini slitter to cut the roll of material into narrower sheets.
•Skiving and splitting the material to achieve the required thickness.
•Laminating Pressure Sensitive Adhesive (PSA) to the rolls.
•Slitting the rolls to narrower widths to enable cutting at the desired press.
•Die cutting the gasket shapes required for the overall cushioning system which, when fully completed, measured .64” thick x 5.48” x 6.75” long.
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2017/01/14 |
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