Calendaring, Types of Calendaring Process it's Advantages and Disadvantages

 Hi guy's in this article we learned the the topic Calendaring, Types of Calendaring Process it's Advantages and Disadvantages it is important topic in subject of Machine tools and processes so let's discuss the further information, 

Calendaring, Types of Calendaring Process and it's Advantages

What is Calendaring? 

Calendaring is process used for the making films and sheets of plastics. In this calendaring method a mixture of resin, filler, plasticizer and colour pigment is passed between a series of heated rollers.

Calendaring, Types of Calendaring Process it's Advantages and Disadvantages

Rollers squeeze the mixture into shape of the sheet or film. The thickness is controlled by the speed of rollers and gap between rollers. The finished product is cooled by passing between water cooled rolls.

Calendaring is used to manufacture the fabrics, plastic sheets to provide the texture and surface finish. Calendaring is used in paper industry.

cellulose acetate sheet and the Vinyl tiles are two common examples of the process.

Rubber material used. eg. natural, neoprene, butyl, nitrile.

Fabric material like cotton, polyester, nylon, kevlar, rayon.

Types of Calendaring 

1) Swizzing calendar

2) Chassing calendar

3) Friction calendar

4) Compaction calendar

5) Embossing calendar

6) Schreiner calendar

Advantages

1) Obtaining defect free components.

2) Good accuracy.

3) High output.

4) film width increase maximum.

Disadvantages 

1) Process is expensive

2) Process is difficult achieve desired thickness.

So in this article we discussed Calendaring, Types of Calendaring Process it's Advantages and Disadvantages hope this information is useful for you.

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