Crusher Size Reduction Ratio Calculation Method

Crusher size reduction ratio is the ratio of raw material particle size and particle size of crushing.

Crusher size reduction ratio is the ratio of raw material particle size and particle size of crushing.Calculated method are the following:

• 1. with the maximum size and the broken material after the product before the maximum particle size ratio calculation, Britain and the United States in the 80% materials through sieve aperture width is the maximum size diameter, China and the former Soviet Union to material 95% through sieve aperture width is the maximum size diameter.
• 2. with the crusher feeding port width and the width of discharge opening ratio.
• 3. with average particle size calculation of the average diameter and the average diameter of broken is broken before the material material ratio.

This fragmentation method than, can more reflect the real degree of fragmentation, therefore the theoretical research often use it.

Generally, every crusher machine is not the same, here are several common crusher size reduction ratio:

• The impact crusher size reduction ratio is 20 to 1.
• The vertical shaft impact crusher size reduction ratio is 4-8 to 1.
• The vertical roller mill size reduction ratio is 2-2.5 to 1.
• The hammer crusher size reduction ratio is 20 to 1.

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