Disc Mill Gap Setting
Calculates the optimal clearance between rotating and stationary discs in an attrition mill based on material properties, desired particle size reduction, and motor power constraints.
📖 Need the theory? Read the methodology, assumptions, and equations in the full reference guide.
1. Define Input Parameters
2. Engineering Output
Bond Specific Energy (EB)
- kWh/t
- kWh/t
Shaft Energy per Tonne (E_shaft)
- kWh/t
- kWh/t
Required Motor Power (P_req)
- kW
- kW
Available Specific Energy (E_avail)
- kWh/t
- kWh/t
Effective Work Index (Wi_eff)
- kWh/t
- kWh/t
Required Disc Gap (G_req)
- mm
- mm
Adjusted Disc Gap (G_adj)
- mm
- mm
Need this calculation offline?
Download Offline Excel CalculationContext & Assumptions
This calculation is used in process engineering to determine the physical gap setting for disc mills used in size reduction of materials like limestone or coffee. It accounts for Bond's law of comminution, motor power limitations, and mechanical wear on the grinding surfaces.
Legal Disclaimer & Limitation of Liability
The results provided by this tool are for educational and preliminary estimation purposes only.
NO WARRANTY: MyEngineeringTools.com makes no warranties, express or implied, regarding the accuracy or applicability of these results to any specific engineering project.
LIMITATION OF LIABILITY: MyEngineeringTools.com SHALL NOT BE LIABLE for any direct, indirect, incidental, or consequential damages arising from the use of this data.
All results MUST be independently verified by a qualified professional engineer before implementation in any industrial or physical environment.