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BM3 series
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Design Features
* Interlocking rotor and stator design
* High-pressure shaft seal
* Flexible and smooth control of motor rotation direction and speed
* Larger rotor and stator diameter compared to SMR
* Can withstand higher pressure
* Extra-long service life
* Extra-long seal life
* Mainly used in petroleum, coal mining machinery, small cranes and other engineering machinery.
Performance Parameters
Displacement/r 100 125 160 200 245 305 395 Maximum Speed Speed Continuous 400 370 250 200 175 160 120 Intermittent 500 420 315 250 225 200 140 Flow Rate LPM Continuous 50 50 50 50 50 50 50 Intermittent 60 60 60 60 60 60 60 Torque N.m Continuous 175 230 271 328 384 480 500 Intermittent 197 340 379 355 410 509 628 Pressure (Differential Pressure between Two Oil Ports)
△BarWhen no external leak oil port is connected, the maximum pressure the housing can withstand is ---90 Bar Continuous 124 124 115 110 100 90 90 Intermittent 138 130 124 124 120 120 110 Intermittent pressure refers to the pressure that the motor inlet port can withstand, and continuous pressure refers to the pressure difference when the two oil ports are working continuously. The motor is not allowed to be used simultaneously at maximum speed and maximum pressure.
Intermittent operation condition --- refers to the condition where the motor operates for no more than 10% per minute in this condition.
Recommended hydraulic oil: viscosity 37-73cSt, filtration accuracy: ISO18/13, maximum system temperature not exceeding 80°C
The shaft seal can withstand a back pressure of 10Mpa. It is recommended that the motor back pressure should not exceed 5Mpa. If it exceeds 5Mpa, it is recommended to connect an external leak oil pipe. Before and during operation of the motor, ensure that the cavity is always filled with hydraulic oil to ensure good lubrication and cooling of the motor.
It is strongly recommended that the motor be run at 30% load for about 1 hour before full load operation to allow the motor to be fully run-in.
BM3 Series Connection Dimensions
Standard Motor A Series
Standard motor rotation direction: Facing the output shaft end, A oil port inlet, clockwise rotation, B oil port inlet, counterclockwise rotation
Standard Motor B Series
Standard Motor C Series
Standard Motor B Series
Displacement cc/r
Standard Motor B Series
A Series 100 125 160 200 250 320 400 H mm B Series 191 198 203 209 219 229 245 C Series 201 208 213 219 229 239 255 A Series Motor Output Shaft Dimensions 180 187 192 198 208 218 234 B Series Motor Output Shaft Dimensions
BM3 Series Motor Output Shaft Lateral Load Capacity
BM3系列马达输出轴侧向载荷能力
BM3 series
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No. 215 Jianhua South Street, Yuhua District, Shijiazhuang City, Hebei Province, China