Notes

How To Select Pellet Machine Mold Compression Ratio
Just How To Choose american pellet mill ?

Before the pellet equipment mold is utilized, the compression ratio have to be readjusted as well as computed. This is primarily to adjust the diameter of the mold, the thickness, the taper and also reaming level of the bell mouth, the material of the mold, the firmness of the mold, as well as various materials, there are various mold compression ratios.

So we have to change and determine according to our real situation, so what is the adjustment computation technique of the pellet machine mold compression ratio?

Compression Ratio Of Pellet Maker Mold

The compression ratio of the pellet maker die describes the ratio of the reliable size of the die opening of the die to the die size, as well as is an index showing the extrusion stamina of the pellet equipment.

Pellet maker mold compression ratio = mold opening size/ efficient functioning length of mold opening

For a mold with a straight opening, the efficient length of the mold opening is the total thickness of the mold, and also the little diameter is the size of the mold opening itself.

Assumption: The size 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 action opening as well as the external conical opening, the efficient size of the die opening is the total thickness of the mold minus the size of the release opening or the size of the outer conical hole, as well as the aperture of the little diameter section is the aperture for calculating the compression ratio.

Assumption: the diameter of the ring die opening is 8mm, the die density 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 very same compression ratio, its aperture and efficient functioning length might be different.

Exactly how To Choose an Ideal Mold Compression Ratio?

1. The aperture dimension and also result of the mold are closely pertaining to the inner diameter of the pellet equipment mold and the composition of the raw materials. The standard aperture of 8-10 mm usually used in the sector is called conventional data.

The pellet machine larger than 10 mm calls for higher pressure for molding., Reasonably talking, the wear is additionally big, individuals typically call it a biomass rod making equipment or a pole making machine.

2. The effective thickness of the mold is really vital for the molding of basic materials.

If the mold is too thick, the molding time of the raw material is much longer, the thickness of the particles is relatively large, the extrusion is harder, the mold is slim and also simple to damage, and also the thickness of the fragments is reasonably tiny.

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

3. The compression ratio of abrasive tools is determined 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 tough 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 straightforward figures, the compression ratio of various resources is various. The more challenging the raw product, the smaller the compression ratio, as well as the fluffy the raw product, the better the compression ratio.


That is to claim, the much more fluffy the raw material, the easier it is to be formed. The even more fluffy raw material includes extra fibers, and the even more fiber-containing materials are simpler to shape.

4. Each little hole directly has 6 mm, 8 mm, as well as 10 mm. This 1 represents the size of each little hole. If the size of the ring die opening is 8 mm, after that this 1 represents 8, And 6 represents the effective aperture.

The efficient aperture is equal to the size of the hole multiplied by the reliable 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 transformed this way.

The quality of the biomass pellet equipment's result depends upon the compression ratio of the ring die. However if the client does not have high requirements for the molding price of your pellets, after that you can suitably Lower the compression ratio, which can not only enhance the output, yet likewise lower the life span of the mold as well as journalism wheel.

5. Roughness is also an essential sign to determine the top quality of ring die. Under the same compression ratio, the greater the roughness value, the higher the extrusion resistance of the sawdust particles, as well as the more difficult it is to release the product.

Extreme roughness also influences the top quality of the fragment surface area. The ideal roughness worth should be 0.8-1.6. between.

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

1. Experienced drivers will change the dampness material of the raw materials or adjust the void in between the ring molding rollers, as well as the pellets can be efficiently released without changing the compression ratio. richi pellet mill needs to be tape-recorded and also checked step by step.
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2. In addition, the 2nd pressurization can make the mold with a bigger compression ratio smaller sized, but modifying the ring mold will affect the hardness of the ring mold, so it needs to be figured out according to the real wear of the mold.

The roughness of the die opening of the pellet equipment is likewise an essential sign to determine the quality of the mold, and the ideal roughness worth should be between 0.8-1.6.

Under the exact same compression ratio, the larger the roughness value, the better the particle extrusion resistance, and the harder it is to release the product. Too much roughness also affects the quality of the particle surface.


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