Power & Torque Calculator
Enter axis parameters and a candidate motor.
1 · Axis & Mechanism
Mechanism
Ball screw
Belt / Pulley
Rack & Pinion
Direct rotary force
Load mass (kg)
Screw lead (mm)
Pulley / pinion diameter (mm)
Speed ratio (motor:load)
Mechanical efficiency (%)
Friction coefficient
Incline angle (deg)
Process / cutting force (N)
Max load speed (m/min)
Acceleration time (s)
Constant-speed time (s)
Deceleration time (s)
3 · Datasheet Verification
Motor rotor inertia JM (kg·m²)
Rated torque (N·m)
Peak torque (N·m)
Rated speed (rpm)
Inertia ratio limit JL/JM
3
5
10
20
2 · Computed Results
Effective radius
-
mm
Load shaft speed
-
rpm
Motor speed
-
rpm
Total force
-
N
Acceleration force
-
N
Friction force
-
N
Gravity force
-
N
Steady (non-accel) force
-
N
Reflected load inertia
-
kg·m²
Total inertia at motor
-
kg·m²
Steady torque
-
N·m
Acceleration torque
-
N·m
Peak torque
-
N·m
Constant-speed torque
-
N·m
Deceleration torque
-
N·m
RMS torque
-
N·m
Peak power
-
kW
Continuous (RMS) power
-
kW
Verification
RMS torque <= rated
–
–
Peak torque <= max
–
–
Motor speed <= rated
–
–
Inertia ratio <= limit
–
–
–
Formulas...