N (Number of divisions)
The number of indexing positions.
t1 (Dwell time per division, s)
The time for each dwell period in seconds.
t2 (Indexing time per division, s)
The time for each indexing period in seconds.
n (Input shaft speed, rpm)
The rotational speed of the input shaft in revolutions per minute.
T (Dwell angle, °)
The angle of the dwell period in degrees.
T’ (Indexing angle, °)
The angle of the indexing period in degrees.
f (Material friction coefficient)
The friction coefficient of the material.
M1 (Workpiece mass, kg)
The mass of the workpiece in kilograms.
M2 (Fixture mass, kg)
The mass of the fixture in kilograms.
re (Effective radius, mm)
The effective radius for load support in millimeters.
De (Indexing pin pitch diameter, mm)
The pitch diameter of the indexing pin in millimeters.
fc (Safety factor)
The safety factor for design.
μ (Friction coefficient)
The friction coefficient.
Qh (Output shaft torque, N·m)
The output shaft torque in newton-meters.
Am (Max acceleration, m/s²)
The maximum acceleration during indexing in meters per second squared.
Qm (Max output shaft torque, N·m)
The maximum output shaft torque in newton-meters.
Vm (Max input shaft torque, N·m)
The maximum input shaft torque in newton-meters.
W1 (Turntable weight, kg)
The weight of the turntable in kilograms.
W2 (Fixture weight, kg)
The weight of the fixture in kilograms.
W3 (Workpiece weight, kg)
The weight of the workpiece in kilograms.