Lenze DSD Manual do Utilizador descarregar pdf (Página 407)

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Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23 407

16 Auxiliary means

16.1 Auxiliary means integrated in the DSD

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16.1.1.3 Inertial calculator

 How to call the calculator:

•Via the ToolsInertial calculator... command

• Via the icon in the toolbar or in the input area.

By means of the inertial calculator, the inertia of complex geometric fields can be calculated:

[16-1] Example for the calculation of a the total inertia of a belt transmission

• Fields can contain hollow spaces , which in the inertial calculator are entered as fields with a

negative inertia.

• If a mass is not rotated around the axis defined in the inertial calculator – as shown with regard

to the hollow spaces  –, but is shifted by a distance from the centre, the "parallel-axis theo-

rem" can be used.

• Fields (e. g. belt pulley with bore ), rotating with a different reference speed than that of the

drive speed of the motor , however, featuring the same circumferential speed, can be appor-

tioned to the motor side by means of the inertial calculator, selecting "v=const".

= distance for the parallel-axis theorem

= datum diameter for v = const

= diameter of the field

v = const

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