[Technical Column] Pitfalls in the Manufacturing Field: The Surprising Relationship Between Teflon Coating and Roll Precision
Various rolls that are essential in the manufacturing line.
To improve non-stick properties and sliding characteristics, it is common to cover the surface with Teflon tubes (fluororesin heat shrink tubes).
However, when considering the coating process for rolls, there is a "pitfall" that is often overlooked.
Are you thinking, "If I finish the base metal roll with high precision, it will remain a high-precision roll after coating"?
In reality, no matter how precise the metal roll is, the physical forces applied during the shrinkage of the tube will inevitably cause changes in "runout precision" and "rotational torque."
Even if you invest in achieving a perfect score of precision in the base material, if the precision is compromised after processing, it will not perform as intended.
So, how can we prevent line issues and produce high-precision rolls as desired?
Based on our extensive experience and unique data, we design with foresight regarding changes after coating, and our technology supports your line with assured quality. The details are explained in the article below.
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This article explains the risks of fluctuations in "precision" and "rotational torque" in Teflon tube coatings. We will introduce our roll manufacturing know-how, which includes optimal specification design that anticipates changes due to shrinkage and extensive experience and data to prevent troubles before they occur.




