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Scope of Plan Sifters
The square sifter offers many advantages for sifting processes at high capacities. It provides large sifting area in very limited space. The maximum sifting area can be obtained by using different types of boxes. It is used to classify the broken and floury products and classify different kinds of grains.
Structure of Plan Sifters
This machine consists of three main parts. Two sieve boxes and a central framework containing the drive unit. These parts are assembled by means ofscrews and transversal beams.
It is possible to separate the machine into three main parts for an easy make handling, shipping and hoisting to the installation floor.
The inner framework comprises all the parts dealing with the machine motion, in particular, the electrical motor, shaft and the counterweight mass. The whole shaft - counterweight unit is bedded by double ball bearings. The drive unit is easily accessible by removing the large side panels covering the central framework.
Working Principal of Plan Sifters
The product comes from above through one or two inlets and is sifted in the sieve nest, this operation being due to rotary motion of the machine and gravity. In this way from 5 (five) to 7 (seven) selections (sorts of product) with different granules can be obtained at the horizontally divided passages and 12 (twelve) selections at the vertically divided passages. A special device fitted at the inlet of channels provides a very precise separation of the product load along the entire width of the upper sieves for a remarkable increasing of the sifting of the single passage. The great numbers of superimposed sieves and their square shape also guarantee an effective sifting action and a precise classification of the products, positively affecting the final grinding yield. Each machine is completed with its own product inlet and outlet boards, the discharge control spouts and the connection sleeves made of fabric permeable to the air. The machine is easy in maintenance for it's quite an easy matter to install and dismantle and insert the telero frames into the boxes. The special and even structures of sifters do not allow insects and moths to shelter.
Types of Plan Sifters