HEIDENHAIN TNC 410 M Technical Manual page 157

Data
Effective moment at a
given load cycle M
eff
(
M = M
eff
Comparison of the
effective moment at a
given load cycle with
the rated torque of
the motor
3 – 8
Formulas
M : Static moment [Nm]
Stat
K : Weighting factor for machining operations [-]
B
M : Frictional moment [Nm]
R
M : Moment for overcoming the force of gravity [Nm]
G
K : Weighting factor for positioning operations [-]
Pos
M : Acceleration moment [Nm]
acc
K : Weighting factor for acceleration operations [-]
acc
2
) ⋅ (
K + M + M
Stat B R
≥
M M
MN
eff
HEIDENHAIN Technical Manual for Inverter Systems and Motors
Variable
2
) ⋅ (
K + M + M
G Pos R
M
MN
M
eff
cycle [Nm]
2
) ⋅
+ M acc K acc
G
: Rated torque of the motor [Nm]
: Effective moment at a given load