[Technical Explanation] Is the reason for wrinkles not coming out due to "angle"? Recommended contact angles and material-specific values for expander rolls.
大阪染織機械株式会社
"Even though we introduced an expander roll, the wrinkles won't come out..." The cause may lie in the setting of the "contact angle" used to wrap the sheet.
In this article, we will provide a list of the correct considerations for the contact angle to maximize wrinkle removal effects, along with recommended values (guidelines) for different materials such as film, paper, and fibers.
Additionally, we will explain common pitfalls, such as the tendency for wrinkles to form if wrapped too tightly, as well as how to choose the best roll for specialized line designs.
To prevent loss of expensive base materials and stabilize quality, please refer to the main article through the related links for technical know-how!
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The 'contact angle (wrap angle)' that affects the wrinkle removal effect of the expander roll. A specialized manufacturer explains the guidelines for different materials (paper, film, fiber, etc.), the reasons why deep wrapping over 90 degrees can be counterproductive, and how to differentiate between flat types. We also accept inquiries for optimal product selection.
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