Lenze DSD Manuel d'utilisateur télécharger pdf (Page 89)

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Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23 89

7Applications

7.4 Omega belt drive

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

The constant torque loss which occurs within the belt is determined under full load from the torque

at the drive with the efficiency in motor mode of the prestressed belt:

[7-39] Equation 14: Constant torque loss

The torque loss depends on the torque M

which is to be transmitted, so that the resulting torque

defining the power of the application is calculated via the following equation.

• The deterioration of the efficiency within operation in generator mode (backward efficiency) is

considered during this calculation.

• The equation is suitable to calculate different operating points for an application with a prede-

fined motion profile (S1, S2, S3, S6).

[7-40] Equation 15: Required torque of the application

 Tip!

Further equations to complete the calculations required for an application can be found in

the chapter "Basic calculations

". ( 68)

th,Blt

Blt

---------

1–





max M

()⋅=

App

------ -

th,Blt

⋅+





Cog

α⋅+=

1 2 ... 84 85 86 87 88 89 90 91 92 93 94 ... 495 496

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Lenze DSD Manuel d'utilisateur Page 89

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