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Rotary Blasthole Drill Penetration Rate (Maurer) Calculator

Easily calculate and compute rotary blasthole drill penetration rate (maurer) calculator with accurate equations, live formulas, and expert guidance.

Total axial thrust applied onto drill bit (e.g. 220 kN ~= 50,000 lbf).

Drillstring rotational speed.

Blasthole drill bit outer diameter.

Intact rock strength.

Calculated Result
190.5 m/h

Penetration Rate (ROP)

Penetration Rate (ROP)

190.5 m/h

Rate Of Penetration Rop M Per Hr

190.5

Rate Of Penetration Rop Ft Per Hr

625.1

Penetration Per Revolution Mm

37.4

Weight On Bit Per Mm Diameter

0.88

190.5 — m/h

Calculation Breakdown

  1. Applied FormulaModels rotary tricone roller cone drill bit penetration rate (ROP) as a function of weight on bit (WOB), rotational speed, bit diameter, and rock uniaxial compressive strength.\text{ROP} = K \frac{W^2 N}{D^2 S^2}

Maurer Drill Penetration Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.04895143191Penetration Rate (ROP)

What Is the Rotary Blasthole Drill Penetration Rate (Maurer) Calculator?

This tool computes rotary blasthole drill penetration rate (maurer) calculator with high precision arithmetic.

How Does the Rotary Blasthole Drill Penetration Rate (Maurer) Calculator Work?

Models rotary tricone roller cone drill bit penetration rate (ROP) as a function of weight on bit (WOB), rotational speed, bit diameter, and rock uniaxial compressive strength.

Rotary Blasthole Drill Penetration Rate (Maurer) Calculator Formula & Variables

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

ROP=KW2ND2S2\text{ROP} = K \frac{W^2 N}{D^2 S^2}

Models rotary tricone roller cone drill bit penetration rate (ROP) as a function of weight on bit (WOB), rotational speed, bit diameter, and rock uniaxial compressive strength.

How to Use the Rotary Blasthole Drill Penetration Rate (Maurer) Calculator

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

Step-by-Step Example Calculation

Rotary Blasthole Drill Penetration Rate (Maurer) Calculator Example

Input Values:

weightOnBitWobKN:220.0
rotarySpeedRpm:85.0
bitDiameterDMm:250.0
rockCompressiveStrengthUcsMPa:120.0
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required m/h.

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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