Lenze DSD Instrukcja Użytkownika Pobierz pdf (Strona 121)

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Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23 121

7Applications

7.8 Hoist drive without counterweight

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Determination of the mass

The cable mass is either calculated by means of the mass calculator (field: cylinder) or with the fol-

lowing equation:

7.8.2.10 Active cable mass

7.8.2.11 Shaft efficiency

7.8.2.12 Efficiency of the rolls

7.8.2.13 Lifting speed

7.8.2.14 Mass of the payload

Rop

10 π

Rop

200

-----------





⋅⋅⋅⋅=

Symbol Description

acv,Rop

Active mass of cable

• Is the mass that is relevant for the stationary moment, i.e. the mass that acts as a weight on

the cable drum.

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

"Mass of rope/cable (hoist drive)" calculator

( 414)

Symbol Description

Gdn

Efficiency resulting from the friction of the hoisting cage at the hoisting shaft

Symbol Description

Pll

Efficiency resulting from friction between the cable rolls and the cable

Symbol Description

v Lifting speed of the payload

• Value is entered in the Motion dimensioning step.

Symbol Description

Mass of payload

• Value is entered in the Motion dimensioning step.

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