CALCULATORS / ELECTROMECHANICAL
Motors and actuators
Motor and load parameters with explicit operating limits.
Motor torque, power and RPM calculator
two of torque, power and speed, efficiency → remaining quantity, input power
Open the calculator ↗LIVE / CALCULATORDC-motor operating point calculator
voltage, resistance, torque constant, load → speed, current, mechanical power
Open the calculator ↗LIVE / ESTIMATORBLDC motor sizing estimate calculator
load torque-speed envelope, duty, bus voltage → current demand, power, candidate motor constraints
Open the calculator ↗LIVE / CALCULATORStepper speed, torque and positioning calculator
load, inertia, acceleration, torque-speed data → required torque, increment, speed limits
Open the calculator ↗LIVE / SIZING CALCULATORServo sizing calculator
load motion, inertia, gearing, duty → peak and RMS torque, speed demand
Open the calculator ↗LIVE / CALCULATORMotor and load reflected inertia calculator
load inertia, ratio, motor inertia → reflected inertia, ratio tradeoff
Open the calculator ↗LIVE / SIZING CALCULATORMotor gearbox selection calculator
motor envelope, desired output torque and speed, efficiency → feasible reduction ratios
Open the calculator ↗LIVE / CALCULATORMotor stall and startup current calculator
winding resistance, bus voltage, driver limit → unlimited stall estimate, limited startup current
Open the calculator ↗LIVE / CALCULATORMotor winding resistance and copper loss calculator
wire dimensions, length, temperature, current → resistance, copper loss
Open the calculator ↗LIVE / CALCULATORBack EMF and voltage headroom calculator
speed, flux or voltage constant, resistance, current → back EMF, bus-voltage requirement
Open the calculator ↗LIVE / CALCULATORMotor steady-state temperature rise calculator
loss profile, thermal resistance/capacitance, ambient → temperature estimate, transient response
Open the calculator ↗LIVE / ESTIMATORSolenoid force screening calculator
turns, current, gap, pole area, magnetic assumptions → idealized force, saturation and leakage caveats
Open the calculator ↗LIVE / SIZING CALCULATORLinear actuator selection calculator
load, stroke, speed, duty, efficiency → force, power, screw or cylinder requirements
Open the calculator ↗LIVE / CALCULATORPiezo actuator load line calculator
free stroke, blocked force, load stiffness → loaded stroke, force, stiffness tradeoff
Open the calculator ↗LIVE / CALCULATORVoice-coil force and stroke calculator
force constant, current, resistance, motion → force, heat, acceleration demand
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