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Pellet mill die as well as roller layout and maker<br>
Roller as well as die is the core part of the pellet machine They determines the developing rate as well as pellet quality. They are also one of the most wearable parts. This post introduces the design of roller as well as die in 2 sorts of pellet machine TICO is a professional flat die pellet machine maker in China. We supply roller, flat die and also various other extra components for the pellet machine.



Flat die in pellet machine.

In flat die pellet machine, the die is a disc with lots of holes on it. It is made of pliable cast iron. After carburizing and satiating treatment, the firmness is 55-60HRC. The size of the holes are from 2.5 mm to 10mm. The most preferred sizes are 6mm, 8mm and 10mm. To adjust to different products and also production need, the thickness and hole sizes are various.



The functioning life of a flat die is 300-500 hours. When one side has broken, it can be made use of with the opposite side. The size as well as dimension of the hole is made based on a great deal of experiments, so that it achieves the most effective compression proportion for 30 biomass products.



The flat die requirement to be changed when it breaks. It does not take much initiatives. Just loosen the lock nuts on both sides, eliminate the top framework and obtain the roller and flat die. TICO supplies premium extra components for the pellet machine, including roller as well as die.



Roller in flat die pellet machine.

In flat die pellet machine, the rollers are mounted on the main shaft. 2 or more rollers are linked by a roller shaft. richi pellet are cyndrical tubes with many skid-proof ace on its surface. During working, the roller shaft rotates around the main shaft, and also the rollers revolve around the main shaft at the same time. The diameters of the rollers differ with the production capability.




The solidity of rollers is less than that of flat die, to ensure that they minimize the endure flat die, and also extend their functioning life. All rollers should have the same clearance with the flat die to achieve uniform pressure. The clearance is in between 0.1-0.3 mm.



The roller takes on tapered form to guarantee the turning speed at the 2 ends coincide. This style can prevent slipping of the roller, reduce energy waste, and also decrease the wear of flat die. Besides, it adopts an screw central stress adjustment gadget. It enables you to readjust the clearance in between roller and also die, so regarding adjust to different materials as well as make certain molding result.



Exactly how do the roller as well as flat die work?

When the raw materials are fed into the pellet machine through the hopper. They fall on the flat die and also roller. The roller turns driven by the primary shaft, as well as distribute the raw products on the flat die equally. During turning, the roller and also flat die types strong stress and portion, which will warm up the compression chamber to 80 ℃. In this condition, the materials end up being soften as well as very easy to mold.




The down stress from the roller squeeze the raw materials right into the holes on flat die, in which they are created into round strips. The strips become longer and longer as the roller keep squeezing the raw materials. When the strips appear from the bottom of the holes, there is a slicer cutting them off. The cut strips fall down and release from the outlet. These strips are what we call "wood pellets".



Flat die and also call die pellet mill comparison

Flat die pellet machine is suitable for house usage and also small workshop production. It sets you back reduced. The size is small and the manufacturing is fairly low. For large scale production, ring die pellet machine has more advantages. It has huge production ability and also low power consumption, however the size as well as cost is a lot larger. The major difference between ring die and also flat die pellet machine are the shape of the dies and also the placement of rollers.



Ring die in pellet machine

Ring die is an annulus with lots of holes on it. It is made from carbon steel (alloy steel) and stainless-steel, as well as refined by create and also mark, reducing, drilling as well as warmth treatment. The toughness of the ring die is influenced by the number of openings. The bigger the dimension of openings, the less the number.



Rollers in ring die pellet machine

The rollers of ring die pellet machine are generally made from high-carbon steel or chilled cast iron. richi pellet needs to has greater solidity than the ring die, to make sure that it can realize the most effective compression result and uniform abrasion. The suitable clearance between the rollers and also ring die is 0.1-0.4 mm. There are axial grooves on the surface of the roller to get hold of the raw materials.



Just how do the roller and also ring die work?

In ring die pellet machine, the 2 rollers are installed inside the ring die. The roller placed pressure outward on the internal wall of the ring die.



The raw products were first fed right into the conditioner for mixing. After that they are communicated to the compression chamber by a screw feeder. In the compression chamber, the rollers are still and the ring die rotates drive by the electrical motor. As long as the raw materials are gotten hold of by the ring die, they are pressed into the holes. The high temperature and also pressure trigger physical and also chemical changes to the raw materials. When they are extruded out from the ring die, there are slicers that cut them off. And also the pellets drops and also get out with the electrical outlet.


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