3 min. reel diameter (unwinder), 4 max. reel diameter, 7applications – Lenze DSD User Manual
Page 216

7
Applications
7.22
Winding drive for rewinder/unwinder
216
Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23
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7.22.6.3
Min. reel diameter (unwinder)
Dimensioning diameter
The dimensioning diameter is the diameter which results at the beginning of the braking phase.
DSD calculates this value automatically and considers it in the drive dimensioning.
[7-236] Decrease in the reel diameter during the braking phase without reduction of the winding speed
7.22.6.4
Max. reel diameter
Symbol
Description
d
min
Smallest reel diameter at the end of the winding process (final diameter)
d
min
Min. reel diameter (final diameter)
d
dim
Dimensioning diameter
n
max
Max. speed of the winding drive
v
max
Max. line speed
t
f
Braking time
t
t
t
v
n
d
n
max
d
min
v
max
d
dim
t
f
Symbol
Description
d
max
• Rewinder: Diameter of the finished reel.
• Unwinder: Diameter at the beginning of the winding process.
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