Page 12 - GRINNELL Mechanical Products Catalogue

GENERAL DATA
Product Design and Testing
Pre-Manufactured/Product Design
All GRINNELL Products are designed and tested at our state-of-the-art Research and Development Technology Center in Cranston, Rhode Island, USA .
Foundry and Assembly
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Casting
GRINNELL castings poured at our foundry are made of ductile iron ASTM A536m, Grade 65-45-12. A rigorous quality control program monitors all steps of the manufacturing process. Samples are continuously tested chemically and physically to ensure all products meet our high material specifications.
Rubber Injection
We manufacture our gaskets using rubber injection presses
and tooling to mold different types of rubber compounds specifically designed for the many applications required by our customers . Physical tests are performed on finished gasket samples to verify compliance with specifications including ASTM D 2000 .
Paint Process
Using a computer controlled process, each product is spray-washed, dried, pre-heated, dipped, and fully cured prior to assembly or packaging . All integral parts are inspected to maintain consistent paint coverage and surface condition .
Tooling
Using product designs from our Research and Development Department, our pattern center and contracted pattern makers design and build patterns and molds that produce products to the highest tolerances . Tooling is continually inspected
by our in-house certified specialists to ensure finished products meet our specifications and requirements of approving agencies .
General Data