Sieving machines and their types The process of removing unwanted elements from those which are wanted is called sieving. Apart from this the process is also used to separate particles of various shapes and sizes in order to refine the product. In most of the cases a siever has a net to screen out the unwanted material. Typically a sieving machine consists of two chambers – one which collects the required material, and the other wherein unwanted material is collected. Depending on the industry of work, seiving machines come in various shapes & sizes. Broadly they are of three types:
Perforated plate sieves: It confirms to the ISO 33102 and has a diameter range from 200 to 450 millimeters. The appertures in the perforated plate sieves ranges from 1 millimeter to 125 millimeters and are square/ round in shape.