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Autonics flexible coupling ERB Series features strong resistance against distortion as it is made of super-high strength aluminum alloy (AL 7075-T6), and it realizes high corrosion resistance through applying alumite surface treatment. In addition, ERB series supports two different connection types - Clamp type and Set screw type - so that it can deliver more accurate revolution driving power and protect revolving objects from backlash.
Main features
● Zero(0) Backlash
● High torsional stiffness by high strength aluminum alloy AL 7075-T6
● High corrosion resistance by alumite treated surface
● Two connection types(Clamp type, Set screw type)
Model | ERB-A-19C-□ | ERB-A-19S-□ | ERB-A-26C-□ | ERB-A-26S-□ | |
Connection type | Clamp | Set screw | Clamp | Set screw | |
Max. revolutions | 8000rpm | 20000rpm | 6000rpm | 15000 rpm | |
Max. torque | 1.2 N·m(12.17 kgf·cm) | 3.0 N·m(30.42 kgf·cm) | |||
Rated torque | 0.6 N·m(6.08 kgf·cm) | 1.5 N·m(15.21 kgf·cm) | |||
Mounting bolt (Mounting torque) | M2.5(1N·m) | M3(0.7N·m) | M3(1.7N·m) | M4(1.7N·m) | |
Torsional stiffness | 140 N·m/rad | 240 N·m/rad | |||
Moment of inertia | 6.4×10-7 kg·m2 | 3.4×10-6 kg·m2 | |||
Max. allowable misalignment |
Angular misalignment | 2.5° | |||
Parallel misalignment | 0.15mm | 0.2mm | |||
End-play | ±0.3mm | ±0.4mm | |||
Standard bore diameter (tolerance h7) |
ø4, ø5, ø6mm | ø6, ø8mm | |||
Min. allowable bore diameter | ø4mm | ø5mm | |||
Max. allowable bore diameter | ø8mm | ø12mm | |||
Material | Aluminum(AL 7075-T6), Alumite treated surface | ||||
Unit weight | 12g | 33g |
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