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Pellet mill die and also roller layout and manufacturer<br>
Roller and also die is the core part of the pellet machine They identifies the creating rate and pellet high quality. gemco wood pellet machine are additionally one of the most wearable components. This post presents the design of roller as well as die in 2 types of pellet machine TICO is a specialist flat die pellet machine producer in China. We provide roller, flat die and other extra components for the pellet machine.



Flat die in pellet machine.

In flat die pellet machine, the die is a disc with several openings on it. It is constructed from ductile cast iron. After carburizing and also relieving treatment, the firmness is 55-60HRC. The dimension of the holes are from 2.5 mm to 10mm. The most preferred dimensions are 6mm, 8mm and 10mm. To adapt to different products and also production need, the thickness and opening sizes are different.



The functioning life of a flat die is 300-500 hours. When one side has actually worn out, it can be utilized with the opposite side. The size and also dimension of the hole is developed based upon a lot of experiments, to make sure that it achieves the most effective compression ratio for 30 biomass products.



The flat die requirement to be changed when it wears. It does not take much efforts. Just loosen up the lock nuts on both sides, eliminate the upper framework and also get the roller and flat die. TICO provides exceptional extra parts for the pellet machine, consisting of roller as well as die.



Roller in flat die pellet machine.

In flat die pellet machine, the rollers are set up on the primary shaft. 2 or even more rollers are linked by a roller shaft. The rollers are cyndrical tubes with many skid-proof ace on its surface area. During working, the roller shaft rotates around the primary shaft, as well as the rollers rotate around the primary shaft at the same time. The sizes of the rollers vary with the production capability.




The hardness of rollers is less than that of flat die, to make sure that they reduce the wear on flat die, and also extend their working life. All rollers ought to have the very same clearance with the flat die to attain consistent stress. The clearance is between 0.1-0.3 mm.



The roller adopts tapered form to ensure the rotating speed at the 2 ends coincide. This layout can stay clear of slipping of the roller, reduce energy waste, as well as lower the wear of flat die. Besides, it takes on an screw main stress change device. It enables you to adjust the clearance between roller as well as die, so as to adjust to different materials and guarantee molding effect.



How do the roller and also flat die job?

When the raw products are fed into the pellet machine through the hopper. They fall on the flat die and roller. The roller turns driven by the major shaft, as well as distribute the raw products on the flat die evenly. During rotating, richi pellet mill and flat die kinds solid stress and portion, which will certainly warm up the compression chamber to 80 ℃. In this condition, the materials become soften and also very easy to mold.



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



Flat die and also ring die pellet mill contrast

Flat die pellet machine appropriates for residence usage and also tiny workshop production. It sets you back reduced. The size is small and also the production is fairly low. For huge scale production, ring die pellet machine has even more advantages. It has big production capacity and reduced power intake, however the dimension and price is a lot bigger. The major distinction in between ring die and also flat die pellet machine are the form of the dies as well as the position 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) as well as stainless-steel, and processed by forge and stamp, cutting, drilling as well as warmth treatment. The toughness of the ring die is influenced by the variety of holes. The bigger the size of openings, the much less the number.



Rollers in ring die pellet machine

The rollers of ring die pellet machine are usually made of high-carbon steel or cooled actors iron. It ought to has higher firmness than the ring die, to ensure that it can realize the very best compression impact and also consistent abrasion. The suitable clearance between the rollers and also ring die is 0.1-0.4 mm. There are axial grooves on the surface area of the roller to get the raw materials.



Just how do the roller and also ring die job?

In ring die pellet machine, the 2 rollers are mounted inside the ring die. The roller put stress outward on the inner wall of the ring die.



The raw materials were first fed right into the conditioner for mixing. Then 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 electric motor. As long as the raw materials are gotten by the ring die, they are pressed right into the holes. The heat and pressure create physical as well as chemical modifications to the raw products. When they are extruded out from the ring die, there are slicers that cut them off. And the pellets falls down and also go out with the electrical outlet.


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