Festo ELGR series, Operating Instructions

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12 Technical data
ELGR/ELGG-...
1)
35 45 55
Design ELGR Electromechanical linear axis with
toothed belt
ELGG additionally with opposing slides
Guide – Recirculating ball bearing guide
GF Plain-bearing guide
Installation position any
Max. feed force Fx [N] 50 100 350
Max. driving torque [Nm] 0.46 1.24 5
Idle drive torque
2)
ELGR [Nm] 0.1 0.2 0.4
ELGG [Nm] 0.18 0.3 0.5
Max. speed – [m/s] 3
GF [m/s] 1
Max. acceleration [m/s
2
] 50
Repetition accuracy – [mm] ±0.1
GF [mm] –
Feed constant
3)
[mm/rev] 58 78 90
Max. deflection [mm] 0.5
Ambient temperature – [°C] –10 … +50
GF [°C] 0 … +40
Degree of protection IP20
Note on materials Contains PWIS (paint-wetting impair­
ment substances)
Materials
– Cover, slide unit, profile Anodised aluminum
– Guide, ball bearings, screws,
retaining rings, clamping element
Steel
– Clamping component, clamping plates Beryllium bronze
– Toothed belt Fibreglass-reinforced polychloro­
prene
– Cover Polyamide/polystyrene
Weight of ELGR/ELGG (with standard slide, without central support, without
motor)
– 0 mm stroke – [kg] 1.47 / 1.87 3.23 / 4.23 5.44 / 7.16
GF [kg] 1.36 / 1.89 3.07 / 4.28 5.08 / 7.24
– per metre of stroke [kg] 2.45 / 4.88 5.00 / 10.0 7.80 / 15.6
1) The following tool is available for sizing:
Positioning Drives sizing software
è
www.festo.com
2) Measured at a speed of 0.2 m/s
3) Nominal value, varies due to component tolerances
Fig. 16
Permissible forces and torque loading
1) 2)
ELGR/ELGG-... 35 45 55
Fymax = Fzmax – [N] 50 100 300
Mxmax – [Nm] 2.5 5 15
Mymax = Mzmax – [Nm] 8 16 48
Fymax = Fzmax GF [N] 50 100 300
Mxmax GF [Nm] 1 2.5 5
Mymax = Mzmax GF [Nm] 4 8 16
Formula for combined loadings:
3)
2nd moment of area
Y
Z
– Iy [mm
4
] 3 771 15 707 38 349
– Iz [mm
4
] 188 574 807 546 1 853 601
1) With a standard slide unit
2) The following tool is available for sizing:
Positioning Drives sizing software
è
www.festo.com
3) The load applies per slide for the ELGG with central support
Fig. 17
Speed v as a function of the rotational speed n
ELGR/ELGG-TB-35
ELGR/ELGG-TB-45
ELGR/ELGG-TB-55
n
Fig. 18
Acceleration a as a function of the payload m
Note
For the plain-bearing guide (GF) it is recommended to reduce the acceleration to
minimise overswings and increase positioning accuracy.
ELGR/ELGG-TB-35
horizontal
vertical
ELGR/ELGG-TB-45
horizontal
vertical
ELGR/ELGG-TB-55
horizontal
vertical
Fig. 19