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This featured duplex stainless steel suction suction press roll shell was custom manufactured by Sandusky International for a papermaking machine application. Beginning with a customer-approved drawing, we developed a manufacturing plan. After centrifigual casting and heat treating the suction press roll shell, made from duplex stainless steel "Alloy 86", we used a combination of machining and drilling to finish the product.
First, we rough turned the suction press roll shell. We then rough bored the suction press roll shell, followed by finish boring and turning. The suction press roll shell was then gun drilled with the specified hole diameters and orientation for the application.
The final suction press roll featured a 63 RMS surface finish, measured 60.00 inches on the outside diameter, 53.00 inches on the inside diameter and measured 394.000 inches in length. The entire duplex stainless steel suction roll shell weighed 54,303 lbs.
To guarantee the integrity of the "Alloy 86" duplex stainless steel suction press roll shell, a quality inspector performed in-process testing. Additionally, we conducted chemical analysis, dye penetration testing, tensile testing, and Brinell hardness testing. When the part had passed all tests and met all required standards and specifications, we packaged and delivered it to our North American Papermaking OEM client for delivery to a US Paper Manufacturer.
To learn more about this project and related services, please contact Sandusky International.
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