Page 6 - Exlar - EXTRAK Modular rodless belt-driven actuators

Load Capacity

Load Capacity

The load capacity is determined by My 0
the selected guiding system. We
recommend to applying maximum 20%
of the dynamic load rate to the unit. Mx 0

Applied Moment Load Cz (2) Cz (1)
The allowable values for applied
moments are determined by the selected Cy (1) Cy (2) Mz 0
guiding system. The illustration at right Y
shows the descriptions of moment
loads as depicted in the table below.
Z
Deflection
For positioning units the maximum
allowed deflection angle is of 0.5˚.
Exceeding this value will decrease the Picture 12: Directions of possible torque application
unit’s life.

EXTRAK Load Ratings
Dynamic Load Dynamic Torque Static Load Static Torque Area Moment
Type Drive Rating (kN) Rating (Nm) Rating (kN) Rating (Nm) of Inertia (cm ) 4
Cy (1) Cy (2) Cz (1) Cz (2) Mx 0 My 0 Mz 0 Cy 0(1) Cy 0(2) Cz 0(1) Cz 0(2) Mx 0 My 0 Mz 0 Iy 5 Iz 5
LMB30 Toothed Belt 14.6 14.6 16.7 16.7 20.0 918.5 808.3 21.2 21.2 25.3 33.8 170 1330 1117 66.9 82.4
LMB40 Toothed Belt 20.5 20.5 23.4 23.4 39.2 1719.9 1513.5 29.6 29.6 35.2 47.0 320 2590 2176 131.2 197.8
LMB50 Toothed Belt 33.0 33.0 37.6 37.6 88.6 5555.2 4888.5 45.9 45.9 54.7 73.0 572 5803 4874 451.9 623.9

EXTRAK Performance Ratings, Toothed Belt Circumferential
Stroke Positioning Repeating Reversal Max Axial Max Input
Travel/Rev Range Accuracy Accuracy Backlash Max Speed Max Accel Force Torque
Size Belt Type (mm) (mm) (µm/mm) (+/- mm) (mm) (m/s ) (m/s ) (N) (Nm)
2
2
LMB30 GT 5/25 155 mm/rev < 7600 200/1000 0.1 0 1.6 Limited by 1560 38
LMB40 GT 5/40 205 mm/rev < 7500 200/1000 0.1 0 1.6 max input 2200 70
LMB50 ST 8/50 296 mm/rev < 7400 200/1000 0.1 0 1.6 torque 3720 175

EXTRAK Belt Drive Modules
LMB30 LMB40 LMB50
Travel per Revolution in (mm) 6.1 (155) 8.1 (205) 11.7 (296)
Maximum Input Torque lbf-in (Nm) 336 (38) 620 (70) 1549 (175)
Base Unit Inertia lbf-in-sec (kgm ) 2 0.0080 (0.0009) 0.0239 (0.0027) 0.1195 (0.0135)
2
Positioning Accuracy in/in (µm/mm) 2-E4 (200/1000) 2-E4 (200/1000) 2-E4 (200/1000)
Repeating Accuracy +/- in (mm) 0.0039 (0.1) 0.0039 (0.1) 0.0039 (0.1)
add per 100 mm stroke
Additive Inertia lbf-in-sec (kgm ) 2 0.0009 (0.0001) 0.0027 (0.0003) 0.0133 (0.0015)
2
Axial Force - Friction without steel strap lbf (N) 1.1 (5) 2.2 (10) 4.5 (20)
Axial Force - Friction with steel strap lbf (N) 2.2 (10) 4.0 (18) 6.7 (30)

6 EXTRAK Rodless Actuators