Choosing the right manufacturing method for your molded product requires a detailed investigation prior to selection. There are many kinds of manufacturing methods. Here, we mainly introduce the calendering process, so if you are interested, come and learn more about it.

Calendering

The purpose of calendering is to produce a product by continuous calendering method before processing it into a product. Calendering machines use multiple rolls (three or four) to compress soft or semi-liquid raw materials into uniformly thick sheets of material. The process is a variable speed process depending on the specific criteria of the product.

The main advantage of calenders is the production of long, continuous sheets of uniform thickness. The sheet can be implemented as a carrier fabric or laminated to a film or other device.

The five benefits of the calendering process are as follows:

1. calendering can produce products at a rate of three meters per minute.

2. most compounds will benefit from mill freshness prior to the calendering process.

3. The product can be coated on fabric.

4. Silicone rubber is usually calendered at room temperature.

5. The process may or may not be supported.

Production challenges of the calendering method

1. It is important to heat the rollers to prevent sticking.

2. Overheating of the process may result in product scorching.

3. Roll speed selection helps to expel air from the product.

4. Transfer to fabric may produce poor or intermittent results due to insufficient tack.

5. When using an anti-adhesive liner, peel the paper in a warm condition to prevent tearing or sticking.

6. Creep of the product is a problem.