BMS Cycloid Motor

 

 

◎ The BMS cycloid motor features an advanced stator-rotor parameter design, offering low starting pressure, high efficiency, and smooth low-speed operation.

 

◎ High operating pressure and high output torque;

 

◎ Advanced shaft seal design, with high back pressure bearing capacity;

 

◎ Advanced and reliable linkage shaft design, with a long motor service life;

 

◎ Advanced oil distribution mechanism design, with high oil distribution accuracy and automatic wear compensation;

 

◎ The motors can be used in series and parallel; when they are connected in series, they should be connected to the external drain pipe;

 

◎ The BMS cycloid motor features a tapered roller bearing support design with high radial load capacity, enabling the motor to directly drive the working mechanism.

 

 

Displacement, cc/r		63	80	100	125	160	200	250	305	400
Flow, LPM	Cont.	75	75	75	75	75	75	75	75	75
	Int.	95	95	95	95	115	115	115	115	115
Speed, RPM	Cont.	960	851	739	575	477	385	308	246	191
	Int.	1150	908	924	719	713	577	462	365	335
Pressure, MPa	Cont.	17	20	20	20	20	20	20	20	17
	Int.	21	24	24	24	24	24	24	24	21
Torque, Nm	Cont.	145	217	271	338	433	541	677	826	888
	Int.	179	260	325	406	520	650	812	885	925
Max. allowable back pressure		14MPa

 

◎ The intermittent operating pressure refers to the Max. allowable operating pressure at the motor inlet port, and the continuous operating pressure refers to the pressure difference between the inlet port and the return port.

 

◎ Do not operate the motor at the Max. speed and the Max. pressure at the same time.

 

◎ The motor operating time per minute must not exceed 10% under intermittent operating conditions.

 

◎ Recommended oil: anti-wear hydraulic oil; Viscosity: 37-73cst; Oil cleanliness: IS018/13; Max. operating oil temperature: 80 ℃.

 

◎ The BMS cycloid motor features a special dynamic seal design that allows for a maximum permissible back pressure of 10 MPa; however, to ensure optimal service life and overall mechanical performance, the back pressure should not exceed 5 MPa. If this limit is exceeded, connecting an external drain line is recommended; when using an external drain line, it is essential to ensure the motor remains completely filled with oil at all times. The external drain line should be appropriately restricted to maintain a back pressure of at least 3.5 bar. Connecting an external drain line not only helps maintain lower back pressure but also flushes out wear debris generated within the motor and provides a degree of cooling.

 

◎ There should be a running-in period before the motor is operated at full load. It is recommended to run for 1h at 30% of the Max. operating pressure.

 

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