Our expander rolls eliminate coating defects caused by wrinkles and sags!
Product overview
| Type of sheet (web) | Separators for lithium-ion batteries, foils for lithium-ion batteries, Adhesive films, adhesive tapes, coated paper, backsheets for paper diapers, fiberglass, and various other materials |
|---|---|
| Customers’ problems | Vertical wrinkles caused by tension / sags caused by reduced thickness or reduced tension Wrinkles caused by increased line speed / thermal wrinkles generated during drying Fouling of rolls that require careful cleaning |
| Assembly position of an expander roll | Before coating / inlet and outlet of a drier / before winding / after unwinding Guide roll |
| Solutions offered by our expander rolls | Our expander rolls apply a uniform spreading force in the width direction and remove wrinkles and sags caused by tension, etc., helping to solve problems after coating. Fouling of rolls has been eliminated by applying a Teflon tube. |
| Recommended products | The amount of bow can be freely adjusted from 0 mm! →Rubber Straight Variable Bow Expander Roll（low-torque type） High releasability and non-adhesiveness make it easy to clean the rolls! →Teflon Tube |
| 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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