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Main Range compatibility Lexium 28 Device short name BCH2 Product or component type Servo motor Complementary Maximum mechanical speed 3000 rpm [Us] rated supply voltage 220 V Network number of phases Three phase Continuous stall current 9.95 A Continuous stall torque 9.55 N.m for LXM26D at 12 A | |
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220 V | |
three phase 9.55 N.m for LXM28 at 12 A | |
220 V | |
three phase 9.55 N.m Continuous power 2000 W Peak stall torque 28.65 N.m for LXM26D at 12 A | |
220 V | |
three phase 28.65 N.m for LXM28 at 12 A | |
220 V | |
three phase 28.65 N.m Nominal output power 2000 W for LXM26D at 12 A | |
220 V | |
three phase 2000 W for LXM28 at 12 A | |
220 V | |
three phase 2000 W Nominal torque 9.55 N.m for LXM26D at 12 A | |
220 V | |
three phase 9.55 N.m for LXM28 at 12 A | |
220 V | |
three phase 9.55 N.m Nominal speed 2000 rpm 2000 rpm for LXM26D at 12 A | |
220 V | |
three phase 2000 rpm for LXM28 at 12 A | |
220 V | |
three phase Maximum current Irms 32.85 A for LXM28 at 2 kW | |
220 V 32.85 A at 2 kW | |
220 V Maximum permanent current 11.25 A Product compatibility LXM26D servo drive motor at 2 kW | |
220 V | |
three phase LXM28 servo drive motor at 2 kW | |
220 V | |
three phase Shaft end Keyed Shaft diameter 22 mm Shaft length 55 mm key width 8 mm Feedback type 20 bits single turn absolute encoder Holding brake Without Mounting support Asian standard flange Motor flange size 130 mm Electrical connection Connector MIL Torque constant 0.96 N.m/A at 20 °C Back emf constant 58 V/krpm at 20 °C Number of motor poles 5.0 Rotor inertia 13.5 kg.cm² Stator resistance 0.34 Ohm at 20 °C Stator inductance 4.3 mH at 20 °C Stator electrical time constant 13.24 ms at 20 °C Maximum radial force Fr 670 N at 2000 rpm Maximum axial force Fa 200 N Brake pull-in power 19.7 W type of cooling Natural convection Length 187 mm Number of motor stacks 4 Centring collar diameter 110 mm centring collar depth 8 mm Number of mounting holes 4 Mounting holes diameter 9.2 mm Circle diameter of the mounting holes 145 mm Distance shaft shoulder-flange 8 mm Net weight 9.7 kg Sizing reference BCH2 Network number of phases 3 Accuracy error [angular] 0.044 ° Coefficient 1_1 -0.0000187500000003 N.m/rpm Coefficient 1_2 0.000000000000000000562440546 N.m/rpm² Coefficient 1_3 -0.0000000000000000000002965143 N.m/rpm3 Coefficient 1_4 0.0000000000000000000000000711 N.m/rpm4 Coefficient 1_5 -0.0000000000000000000000000000078919 N.m/rpm5 Coefficient 1_6 0.00000000000000000000000000000000032 N.m/rpm6 Saturation coefficient 1 -0.0000000000000000038243890773 Saturation coefficient 2 -0.0078140960163432 Saturation coefficient 3 0.000000000000000000158151428 Coefficient 2_0 0 N.m Coefficient 2_1 0.00000875000000000026 N.m/rpm Temperature copper hot 135 °C Temperature magnet hot 100 °C Temperature magnet rt 20 °C Motor voltage drop coefficient 1 Environment IP degree of protection IP50 IM V3 IP65 IM B5 | |
IM V1 Ambient air temperature for operation -20…40 °C Packing Units Unit Type of Package 1 PCE Number of Units in Package 1 1 Package 1 Height 18.100 cm Package 1 Width 23.000 cm Package 1 Length 36.000 cm Package 1 Weight 10.559 kg |
This product is part of the Lexium 28 range, an offer of motion servo drives for machines from 0.05 to 4.5kW. The brushless servo motor features a high moment of inertia with maximum mechanical speed of 3000RPM and IP65 parallel keyed shaft without holding brake. It is equipped with a 20bit single-turn absolute encoder, optimized in terms of torque and speed of rotation (2000RPM). It is a second generation servo motors suitable for a wide variety of applications due to the different levels of motor inertia offered. It has a rated supply voltage of 220V, a continuous stall current of 9.95A and a continuous power of 2000W. The shaft dimensions are 22mm (Diameter) x 55mm (Length). It is furnished with MIL connector for electrical connection. It is an IP50 (IM V3) and IP65 (IM B5, IM V1) rated product. Its dimensions are 187mm (Length) x 130mm (Width), centring collar dimensions are 8mm (Depth) x 110mm (Diameter) with 145mm circle diameter of the mounting hole. It weighs 9.7kg. This product is compatible with Lexium 28 and Lexium 26D servo drives. It supports Asian standard 130mm flange mount with a natural convection cooling system. Lexium 28 and Lexium BCH2, the optimized servo bundle for all motion control solutions are cost effective, energy efficient and embedded safety. Lexium 28 servo drives and Lexium BCH2 servo motors, optimized servo bundles for compact machines. Specifications
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