Lenze DSD User Manual download pdf (Page 166)

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101

7Applications

7.15 Synchronous drive of squeegees

166

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

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7.15.2.5 Leverage of rolling friction, lower roll

7.15.2.6 Leverage of rolling friction, upper roll

7.15.2.7 Efficiency, roll mechanics

7.15.2.8 Moment of inertia of the rolls

Symbol Description

Lever arm of rolling friction

• Used for calculating the rolling resistance of the rolls with regard to the web.

• Value can be entered directly or selected from the "Physical coefficients" table.

Lever arm of rolling friction

Symbol Description

Lever arm of rolling friction

• Used for calculating the rolling resistance of the rolls with regard to the web.

• Value can be entered directly or selected from the "Physical coefficients" table.

Lever arm of rolling friction

Symbol Description

Brg

Efficiency

• Takes into account the overall mechanical losses, e.g. those resulting from friction between

the material belt and the roller, serrations on the roller etc.

Symbol Description

J Moment of inertia of the drive roll of the material to be conveyed (if relevant), etc.

• The moment of inertia has an effect on the dynamic torque!

• Value can be entered directly or calculated using the inertial calculator.

Inertial calculator

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