06.2005 Engineering Information
Siemens AG 6SE7087-6QX70 (Version AE)
SIMOVERT MASTERDRIVES Compendium Motion Control 11-9
♦ Acceleration force [N]
Fma
bb,v ,v
=⋅
♦ Acceleration and deceleration torque for spindle [Nm]
MJ
b v Sp Sp b v Sp,,
=⋅α
J
Sp
Inertia of spindle [kgm
2
]
♦ Load torque at the spindle [Nm]
MM FF signFF
D
Sp b v Sp
bv W
SW
bv W
Sp
=++⋅ +⋅ +⋅
,
,,
( ) tan( ( ))αρ
2
MF
bSp b,v ,v
, has to be applied with the correct sign
(accelerate = +, decelerate = - )
If the deceleration is equal to the acceleration, the load torque is at a
maximum during the acceleration phase.
To Next Page
Loading...
