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

Before the pellet equipment mold is utilized, the compression ratio should be changed as well as computed. This is generally to readjust the diameter of the mold, the density, the taper as well as reaming level of the bell mouth, the material of the mold, the solidity of the mold, as well as various materials, there are various mold compression ratios.

So we need to readjust and determine according to our real scenario, so what is the modification computation method of the pellet machine mold compression ratio?

Compression Ratio Of Pellet Equipment Mold

The compression ratio of the pellet maker die refers to the ratio of the efficient length of the die opening of the die to the die size, as well as is an index showing the extrusion toughness of the pellet equipment.

Pellet equipment mold compression ratio = mold hole diameter/ reliable functioning size of mold hole

For a mold with a straight hole, the effective size of the mold opening is the complete thickness of the mold, and also the little diameter is the size of the mold opening itself.

Assumption: The diameter of the die opening is 6mm, as well as the density 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 step hole and also the external conical hole, the reliable size of the die hole is the total density of the mold minus the length of the release hole or the length of the external conical hole, as well as the aperture of the tiny size area is the aperture for determining the compression ratio.

Assumption: the size of the ring die opening is 8mm, the die thickness is 66mm, as well as the release opening is 18mm.

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

The ring mode compression ratio is 1:6.

fish food extruder is a ratio. For the exact same compression ratio, its aperture and also efficient functioning size may be different.

How To Select a Suitable Mold Compression Ratio?

1. The aperture dimension and output of the mold are closely pertaining to the inner diameter of the pellet machine mold and the structure of the raw materials. The standard aperture of 8-10 mm typically utilized in the industry is called conventional information.

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

2. The effective density of the mold is extremely important for the molding of raw materials.

If the mold is too thick, the molding time of the raw material is longer, the density of the fragments is reasonably large, the extrusion is harder, the mold is thin and also easy to break, as well as the thickness of the particles is fairly small.

The pressing temperature is low, the outcome is high, yet the molding rate is reduced or the molding is poor.

3. The compression ratio of abrasive tools is figured out according to the raw products. The compression ratio of poplar wood is 1:6, the compression ratio of yearn wood is 1:7, the compression ratio of difficult wood is 1:5, and also the compression ratio of shavings is 1.: 5.5, the compression ratio of corn stalk is 1:6.5.

From these easy numbers, the compression ratio of different resources is various. The tougher the raw material, the smaller the compression ratio, as well as the cosy the raw product, the higher the compression ratio.

That is to state, the much more cosy the raw material, the easier it is to be formed. The even more cosy basic material consists of more fibers, as well as the more fiber-containing products are simpler to form.

4. Each small opening straight has 6 mm, 8 mm, as well as 10 mm. This 1 represents the diameter of each tiny opening. If the diameter of the ring die opening is 8 mm, then this 1 represents 8, And 6 stands for the effective aperture.

The efficient aperture amounts to the size of the hole increased by the effective aperture size, 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 this way.

The high quality of the biomass pellet equipment's outcome depends on the compression ratio of the ring die. But if the customer does not have high needs for the molding price of your pellets, then you can suitably Lower the compression ratio, which can not just enhance the output, however also minimize the life span of the mold as well as journalism wheel.

5. Roughness is likewise a vital indicator to gauge the quality of ring die. Under livestock feed pellet machine , the higher the roughness value, the higher the extrusion resistance of the sawdust bits, as well as the harder it is to release the material.

Excessive roughness also affects the quality of the bit surface area. The appropriate roughness worth should be 0.8-1.6. in between.

What To Do If The Mold Compression Ratio Is As Well Huge.

1. Experienced operators will adjust the moisture material of the raw materials or adjust the gap in between the ring molding rollers, and also the pellets can be smoothly discharged without transforming the compression ratio. mini fish feed making machine requires to be videotaped and checked step by step.
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2. Additionally, the second pressurization can make the mold with a bigger compression ratio smaller, however customizing the ring mold will affect the firmness of the ring mold, so it needs to be figured out according to the actual wear of the mold.


The roughness of the die opening of the pellet maker is also an essential indicator to measure the top quality of the mold, and the appropriate roughness value need to be in between 0.8-1.6.

Under the very same compression ratio, the larger the roughness worth, the greater the fragment extrusion resistance, and also the harder it is to release the product. Excessive roughness also influences the high quality of the particle surface area.

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