Our expander rolls solve problems in corona treatment by applying a uniform spreading force to sheets!
Product overview
| Type of sheet (web) | Optical films, functional films, paper, metallic foils, and various other materials |
|---|---|
| Customers’ problems | Wrinkles, sags, and shrinkages after corona treatment |
| Assembly position of an expander roll | Before and after corona treatment |
| Solutions offered by our expander rolls | Our expander rolls apply a uniform spreading force in the width direction and remove wrinkles, sags, and shrinkages caused by temperature change, solving problems before and after corona treatment. |
| Recommended products | The amount of bow can be freely adjusted from 0 mm! →Rubber Straight Variable Bow Expander Roll（low-torque type） The expander roll can also be used for wide machines (10 m)! →Rubber Expander Roll |
| Product lineup (All the applicable products are available as a low-torque type.) |
Rubber Expander Roll Variable Bow Expander Roll (Hydraulic system) Rubber Compact Variable Bow Expander Roll Rubber Straight Variable Bow Expander Roll Steel Expander Roll Teflon Tube |
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