Siemens SIMOVERT MASTERDRIVES Manual page 866

06.2005
Siemens AG 6SE7087-6QX70 (Version AE)
SIMOVERT MASTERDRIVES
♦ Acceleration force [N]
= ⋅
F m a
b ,v b ,v
♦ Acceleration and deceleration torque for spindle [ Nm ]
= ⋅ α
M J
b v Sp , Sp b v Sp ,
Inertia of spindle [ kgm
J
Sp
♦ Load torque at the spindle [ Nm ]
= +
M M ( F
b v
Sp b v Sp ,
M , F
b Sp ,v b ,v
If the deceleration is equal to the acceleration, the load torque is at a
maximum during the acceleration phase.
Compendium Motion Control
]
2
+ ⋅ α + ⋅ ρ
F ) tan(
, W
SW
has to be applied with the correct sign
(accelerate = +, decelerate = - )
Engineering Information
D
Sp
+ ⋅
sign F ( F ))
b v , W
2
11-9