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Series 6E electromechanical cylinders
MOVEMENT >
C_Electrics
>
2017
14
MOVEMENT
To perform a correct dimensioning of the Series 6E cylinder,
you need to consider some facts.
Among these, the most important are:
- Dynamics of the system
- Operation and pause cyclicity
- Work environment
- General performance requirements: repeatability, accuracy,
precision, etc.
CALCULATE THE LIFE IN ROTATIONS
where:
L
r
= Life of the cylinder in number of rotations of the BS ball
screw
C = Dynamic load coefficient of the cylinder [N]
F
m
= Average axial force applied [N]
f
w
= Safety coefficient according to the working conditions
CALCULATION OF LIFE IN km
where:
L
km
= Life of the cyllinder in km [km]
p = pitch of the BS ball screw [mm]
CALCULATION OF THE LIFE IN HOURS
where:
L
h
= Life of the cylinder in hours
n
m
= average number of revolutions of the RDS ball screw
[rpm]
HOW TO CALCULATE THE LIFE OF THE CYLINDER
APPLICATION
ACCELERATION [ m/s² ]
SPEED [ m/s ]
DUTY CYCLE
fw COEFFICIENT
light
< 5.0
< 0.5
< 35%
1.0 ÷ 1.25
normal
5.0 ÷ 15.0
0.5 ÷ 1.0
35% ÷ 65%
1.25 ÷ 1.5
heavy
> 15.0
> 1.0
> 65%
1.5 ÷ 3.0