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Crusher Reduction Ratio (F₈₀ / P₈₀) & Energy Calculator

Easily calculate and compute crusher reduction ratio (f₈₀ / p₈₀) & energy calculator with accurate equations, live formulas, and expert guidance.

Size at which 80% of feed passes (e.g. 450 mm = 450,000 um).

Size at which 80% of product passes (e.g. 90 mm = 90,000 um).

Ore grindability index.

Mass rate of rock feed.

Calculated Result
5 :1

Reduction Ratio (Rr)

Reduction Ratio (Rr)

5 :1

Reduction Ratio

5

Specific Energy Kwh Per Tonne

0.2671800955083537

Required Power Kw

133.59004775417685

5 — :1

Calculation Breakdown

  1. Applied FormulaDetermines size reduction ratio and Bond crusher work input for jaw, gyratory, and cone comminution circuits.R_r = \frac{F_{80}}{P_{80}}, \quad W = 10 \cdot W_i \left( \frac{1}{\sqrt{P_{80}}} - \frac{1}{\sqrt{F_{80}}} \right)

Crusher Reduction Ratio Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.01.32.53.85.0Reduction Ratio (Rr)

What Is the Crusher Reduction Ratio (F₈₀ / P₈₀) & Energy Calculator?

This tool computes crusher reduction ratio (f₈₀ / p₈₀) & energy calculator with high precision arithmetic.

How Does the Crusher Reduction Ratio (F₈₀ / P₈₀) & Energy Calculator Work?

Determines size reduction ratio and Bond crusher work input for jaw, gyratory, and cone comminution circuits.

Crusher Reduction Ratio (F₈₀ / P₈₀) & Energy Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

Rr=F80P80,W=10⋅Wi(1P80−1F80)R_r = \frac{F_{80}}{P_{80}}, \quad W = 10 \cdot W_i \left( \frac{1}{\sqrt{P_{80}}} - \frac{1}{\sqrt{F_{80}}} \right)

Determines size reduction ratio and Bond crusher work input for jaw, gyratory, and cone comminution circuits.

How to Use the Crusher Reduction Ratio (F₈₀ / P₈₀) & Energy Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Crusher Reduction Ratio (F₈₀ / P₈₀) & Energy Calculator Example

Input Values:

f80Microns:450000
p80Microns:90000
bondWorkIndex:14.5
throughputTph:500
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required :1.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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