Roll Presses
Roll presses are often used on paper and board machines to mechanically remove water from the sheet. They also consolidate and flatten the sheet, increase wet sheet strength, and improve final sheet strength characteristics. This module will give you a better understanding of roll presses and how they function in press sections of paper machines.
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Course Details
Learning Objectives
• Identify the purpose of a roll press on a paper or board machine • Describe the pressing phases in a roll press nip • Identify and describe roll cover materials used in roll presses • Describe a typical roll press arrangement • Describe the purpose of a roll crown • Describe swimming-type and shoe-type deflection- compensated rolls
