Lenze DSD - Manual (Page 204)

7 Applications
7.22 Winding drive for rewinder/unwinder
204
Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23
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7.22.2.1 Calculations
Translatory acceleration
[7-214] Equation 1: Translatory acceleration
Dimensioning diameter
[7-215] Equation 2: Dimensioning diameter for the reel
Max. winding ratio
[7-216] Equation 3: Max. winding ratio
Dimensioning winding ratio
[7-217] Equation 4: Dimensioning winding ratio
Diameter characteristic
[7-218] Equation 5: Diameter characteristic of the reel
Mass of the winding material
[7-219] Equation 6: Mass of the winding material
Length of the winding material
[7-220] Equation 7: Length of the winding material
a
dv
dt
------
Δv
Δt
------- = =
d
dim
2 v
max
t
acc
s
Min
⋅ ⋅ ⋅
π
------------------------------------------------- d
Min
2
+ =
q
max
d
max
d
Min
------------ =
q
dim
d
max
d
dim
------------ =
d
2
π
--- v
0
v
1
+ ( ) t
1
t
0
– ( ) s
Min
⋅ d
i
2
+ ⋅ ⋅ =
m
L
ρ π4--- d
i
2
d
Min
2
) b
max
⋅ – ( ⋅ ⋅ =
l
π
4
---
d
max
2
d
Min
2
) – (
s
------------------------------------ ⋅ =