Expander roller for paper machine

Expander roller for paper machine

The arc roller is a roller that has a certain curvature in the longitudinal direction and is fixed and rotatable by a ball bearing. Because the curved roller has a certain curvature, when the paper/film is rotated by the guide roller, the paper/film will be elongated in the longitudinal direction to achieve the effect of stretching the web, eliminating wrinkles and preventing the web from progressing Possible interleaving during material slitting.

2. What can a banana roller be used for:

1. Paper machine;

2. Film machine;

3. Textile machine; And so on

Specifications of banana roller

1.Curved roller with rubber surface

This type of curved roller is often used in the calendering, calendering, coating, compounding and other processing of paper and board paper, fur, film, textile and other materials. According to user requirements and different applications, the adhesive surface can be Choose wear resistance, high temperature resistance and surface slotting, Teflon sleeves and other special requirements can also be added.

2. Metal arc roller

Metal surface arc rollers are more widely used, such as rewinding machines, calendering machines, coating machines, winding sections, felt press sections and other related web materials to eliminate wrinkles. The metal surface can be processed with different materials to meet the needs of users, such as tungsten carbide, Teflon chromium, hard chromium, surface slotting and other special requirements.

Curved roller with adjustable arc height

Special shaped rollers of various shapes customized according to user needs

3.Curved roller installation

Depending on the material of the web, the wrap angle is generally between 10° and 100°, the paper is around 20°, the wet web is 30°-60°, the fiber is 25°-40°, and the plastic film is 10°-20°. In order to achieve a good flattening effect, the unwinding direction and the web travel direction must be perpendicular, the lead-out stroke is 2 to 3 times the diameter of the guide roller, and the lead-in stroke is twice the lead-out stroke. Transportation precautions: When transporting and hoisting curved rollers, it is strictly forbidden to hoist the roller surface, and the shaft ends at both ends of the arc roller must be hoisted.

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1. When can I get the quotation?

We usually quoted within 24 hours after receiving your inquiry. If you are very urgent to get the price, please call us or tell us in your email, so that we can regard your inquiry priority.

2. How should I place the order?

Please show us your drawing, or let us know your request, and then we will provide you drawing for confirmation.

3. What’s your MOQ basis?

1 piece or 1 set, it depends on your actual requirement.

4. What about the lead time for production?

Usually 20-25 days, but it also depends on the order quantity and the type of our products.