7Applications
7.13 Belt conveyor for bulk material
154
Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23
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7.13.2.8 Mass of supporting rollers
7.13.2.9 Moment of inertia of driving roller
Symbol Description
m
aux
Total mass of supporting rolls
•If μ
aux
= 0, the friction by the guide pulleys and guide rollers is disregarded, a value for the
mass then does not have to be entered.
• Value can be entered directly or calculated using the mass calculator.
Mass calculator
( 405)
Note!
The mass of the supporting rolls is used for calculating the friction forces.
Symbol Description
J Moment of inertia of the drive roll
• Value can be entered directly or calculated using the inertial calculator.
Inertial calculator
( 407)
Note!
When calculating the mass inertia, bear in mind that the supporting rolls and the drive
roll can have different diameters!
Moment of inertia of supporting rollers
( 155)
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