EOT Crane Engineering Tools
Professional engineering tools for precise crane sizing, component selection, and safety verification.
Quick answer
These engineering calculators are preliminary buyer-side tools. Use them to understand motor power, brake torque, wheel loads, wire rope size and DSL voltage drop before asking suppliers for certified design calculations.
Buyer Toolkit
Need vendor quotes? Start with a complete RFQ.
Download the free EOT crane RFQ template before you ask manufacturers for prices. It helps capture capacity, span, lift, duty, controls, BOM/makes, safety, FAT/SAT, and scope.
Runway Beam (Gantry Girder)
Calculate moving wheel load bending moments and horizontal surge forces.
Launch ToolDuty Class (FEM/ISO)
Calculate required duty class (M3-M8) based on load spectrum.
Launch ToolBuffer Collision Force
Calculate kinetic energy and peak impact forces for crane end stops.
Launch ToolVFD & Braking Resistor
Size your VFD Inverter and Dynamic Braking Resistor (Ohms/Watts) for motors.
Launch ToolMotor Power
Calculate required KW for Hoisting and Long Travel motions.
Launch ToolBrake Design
Size brakes for hoist and travel motions with safety factors.
Launch ToolWire Rope
Select rope diameter & grade based on FEM/ISO duty classes.
Launch ToolDSL Voltage Drop
Estimate voltage drop for busbar and DSL runway power systems.
Launch ToolRope Drum Design
Calculate drum diameter, length, and pitch based on lift height.
Launch ToolBearing Selection
Calculate required dynamic load ratings and life for crane bearings.
Launch ToolMax Wheel Load
Calculate maximum static and dynamic wheel loads for runway design.
Launch ToolGirder Design
Optimize bridge girder sections for strength and deflection limits.
Launch ToolEnd Carriage
Design wheel trucks with stability and deflection checks.
Launch ToolStiffener Design
Calculate transverse and bearing stiffeners for box girders.
Launch ToolDeflection Check
Verify girder stiffness and natural frequency against standards.
Launch ToolWelding Calculator
Calculate fillet weld sizes and capacity for crane structures.
Launch Tool