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How To Select Pellet Machine Mold Compression Ratio
How To Select Pellet Machine Mold Compression Ratio?

Before the pellet machine mold is made use of, the compression ratio should be readjusted and also calculated. This is mainly to adjust the diameter of the mold, the density, the taper and reaming level of the bell mouth, the product of the mold, the hardness of the mold, as well as various materials, there are various mold compression ratios.

So we need to readjust and compute according to our real circumstance, so what is the change computation approach of the pellet machine mold compression ratio?

Compression Ratio Of Pellet Machine Mold

The compression ratio of the pellet maker die refers to the ratio of the efficient size of the die hole of the die to the die diameter, and also is an index reflecting the extrusion stamina of the pellet maker.

Pellet equipment mold compression ratio = mold opening diameter/ effective working size of mold opening

For a mold with a straight hole, the reliable length of the mold opening is the total density of the mold, and the small diameter is the size of the mold opening itself.

Assumption: The diameter of the die hole is 6mm, as well as the thickness of the ring die is 45mm

Compression ratio= 6/45= 1:7.5.

The ring mode compression ratio is 1:7.5.

For the release action hole as well as the external conical opening, the efficient length of the die opening is the total density of the mold minus the length of the release opening or the length of the outer tapered hole, and the aperture of the tiny size area is the aperture for determining the compression ratio.

Presumption: the size of the ring die hole is 8mm, the die thickness is 66mm, and also the release hole is 18mm.

Compression ratio= 8/( 66-18)= 1:6.

The ring mode compression ratio is 1:6.


Compression ratio is a ratio. For the same compression ratio, its aperture as well as effective functioning size may be different.

Just how To Pick a Suitable Mold Compression Ratio?

1. pellet mill machine for sale and result of the mold are very closely pertaining to the internal diameter of the pellet maker mold and the structure of the raw materials. The basic aperture of 8-10 mm usually utilized in the industry is called traditional data.

The pellet maker larger than 10 mm calls for greater pressure for molding., Fairly talking, the wear is additionally huge, users generally call it a biomass pole making equipment or a pole making equipment.

2. Richi machine of the mold is very crucial for the molding of basic materials.

If the mold is too thick, the molding time of the raw material is much longer, the density of the bits is fairly huge, the extrusion is harder, the mold is thin and very easy to break, and the density of the fragments is fairly tiny.

The pressing temperature is low, the output is high, yet the molding price is low or the molding is poor.

3. The compression ratio of unpleasant tools is identified according to the raw products. The compression ratio of poplar wood is 1:6, the compression ratio of ache wood is 1:7, the compression ratio of difficult wood is 1:5, as well as the compression ratio of shavings is 1.: 5.5, the compression ratio of corn stalk is 1:6.5.

From these straightforward figures, the compression ratio of various raw materials is various. The more challenging the raw product, the smaller sized the compression ratio, and also the cosy the raw material, the higher the compression ratio.

That is to say, the much more cosy the raw product, the less complicated it is to be built. The even more fluffy raw material includes much more fibers, as well as the even more fiber-containing materials are simpler to form.

4. Each little hole straight has 6 mm, 8 mm, and also 10 mm. This 1 represents the diameter of each little hole. If the size of the ring die opening is 8 mm, after that this 1 stands for 8, And 6 represents the reliable aperture.

The reliable aperture amounts to the diameter of the hole increased by the reliable aperture length, which is 6 * 8= 48, which is 8:48, 8:48 is simplified to 1:6, 1: 6 is the compression ratio of poplar wood. It is converted by doing this.

The top quality of the biomass pellet machine's result depends on the compression ratio of the ring die. Yet if the customer does not have high requirements for the molding rate of your pellets, then you can properly Decrease the compression ratio, which can not only increase the output, but also decrease the life span of the mold and the pressing wheel.

5. Roughness is likewise an important indication to gauge the high quality of ring die. Under the exact same compression ratio, the better the roughness value, the greater the extrusion resistance of the sawdust bits, and also the more difficult it is to discharge the material.

Extreme roughness also impacts the top quality of the fragment surface area. The proper roughness worth need to be 0.8-1.6. between.

What To Do If The Mold Compression Ratio Is Too Large.

1. Experienced operators will change the moisture web content of the raw materials or readjust the gap between the ring molding rollers, as well as the pellets can be smoothly released without altering the compression ratio. https://www.netneutralityprotectors.com/biomass-pellet-mill-for-sale/ needs to be taped and also checked step by step.
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2. On top of that, the second pressurization can make the mold with a larger compression ratio smaller sized, yet modifying the ring mold will certainly affect the firmness of the ring mold, so it requires to be determined according to the actual wear of the mold.

The roughness of the die hole of the pellet equipment is likewise an important indication to gauge the top quality of the mold, and the proper roughness value ought to be in between 0.8-1.6.

Under the exact same compression ratio, the larger the roughness worth, the higher the particle extrusion resistance, and also the harder it is to discharge the material. Excessive roughness also affects the quality of the bit surface.

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