A2FM Rexroth Axial Hydraulic Piston Fixed Motors

Short Description:

- All-purpose high pressure motor;

- Size 5 … 1000, such as A2FM 5, A2FM 10, A2FM 12, A2FM 16, A2FM 23, A2FM 28, A2FM 32, A2FM 45, A2FM 56, A2FM 63, A2FM 80, A2FM 90, A2FM 107, A2FM 125, A2FM 160, A2FM 180, A2FM 200, A2FM 250, A2FM 355, A2FM 500, A2FLM 250, A2FLM 355, A2FLM 500, A2FLM 710, A2FLM 1000;

- Nominal pressure up to 400 bar;

- Maximum pressure up 450 bar;

- The axial piston unit is designed to be used in open and closed circuits

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Product Details

Distinguishing Feature

– Fixed motor with axial tapered piston rotary group of bent- axis design, for hydrostatic drives in open and closed circuits

– For use in mobile and stationary applications

– The output speed is dependent on the flow of the pump and the displacement of the motor.

– The output torque increases with the pressure differential between the high-pressure and the low-pressure side.

– Finely graduated sizes permit far-reaching adaptation to the drive case

– High power density

– Small dimensions

– High total efficiency

– Good starting characteristics

– Economical design

– One-piece tapered piston with piston rings for sealing

Product parameters

Size	NG		5	10	12	16	23	28	32	45	56	63	80
Displacement	Vg	cm3	4.93	10.3	12	16	22.9	28.1	32	45.6	56.1	63	80.4
Speed maximum	nnom	rpm	10000	8000	8000	8000	6300	6300	6300	5600	5000	5000	4500
Speed maximum	nmax	rpm	11000	8800	8800	8800	6900	6900	6900	6200	5500	5500	5000
Input flow at n_nom and V_g	qV	L/min	49	82	96	128	144	177	202	255	281	315	362
Torque at Vg and	Dp = 350 bar	T Nm	24.7	57	67	89	128	157	178	254	313	351	448
Torque at Vg and	Dp = 400 bar	T Nm	–	66	76	102	146	179	204	290	357	401	512
Rotary stiffness	c	kNm/rad	0.63	0.92	1.25	1.59	2.56	2.93	3.12	4.18	5.94	6.25	8.73
Moment of inertia for rotary group	JGR	kgm2	0.00006	0.0004	0.0004	0.0004	0.0012	0.0012	0.0012	0.0024	0.0042	0.0042	0.0072
Maximum angular acceleration	a	rad/s2	5000	5000	5000	5000	6500	6500	6500	14600	7500	7500	6000
Case volume	V	L	-	0.17	0.17	0.17	0.2	0.2	0.2	0.33	0.45	0.45	0.55
Mass (approx.)	m	kg	2.5	5.4	5.4	5.4	9.5	9.5	9.5	13.5	18	18	23

Size	NG		90	107	125	160	180	200	250	355	500	710	1000
Displacement	Vg	cm3	90	106.7	125	160.4	180	200	250	355	500	710	1000
Speed maximum	nnom	rpm	4500	4000	4000	3600	3600	2750	2700	2240	2000	1600	1600
Speed maximum	nmax	rpm	5000	4400	4400	4000	4000	3000	-	-	-	-	-
Input flow at n_nom and V_g	qV	L/min	405	427	500	577	648	550	675	795	1000	1136	1600
Torque at Vg and	Dp = 350 bar	T Nm	501	594	696	893	1003	1114	1393	1978	2785	3955	5570
Torque at Vg and	Dp = 400 bar	T Nm	573	679	796	1021	1146	1273	-	-	-	-	-
Rotary stiffness	c	kNm/rad	9.14	11.2	11.9	17.4	18.2	57.3	73.1	96.1	144	270	324
Moment of inertia for rotary group	JGR	kgm2	0.0072	0.0116	0.0116	0.022	0.022	0.0353	0.061	0.102	0.178	0.55	0.55
Maximum angular acceleration	a	rad/s2	6000	4500	4500	3500	3500	11000	10000	8300	5500	4300	4500
Case volume	V	L	0.55	0.8	0.8	1.1	1.1	2.7	2.5	3.5	4.2	8	8
Mass (approx.)	m	kg	23	32	32	45	45	66	73	110	155	325	336

Dimension Drawing

Distinguishing Feature

– Fixed motor with axial tapered piston rotary group of bent axis design, for hydrostatic drives in open and closed circuits

– For use in mobile and stationary application areas

– The output speed is dependent on the flow of the pump and the displacement of the motor

– The output torque increases with the pressure differential between the high and low pressure sides and with increasing displacement

– Careful selection of the displacements offered, permit sizes to be matched to practically every application

– High power density

– Compact design

– High overall efficiency

– Good starting characteristics

– Economical conception

– One piece pistons with piston rings

About us

POOCCA Hydraulic is a comprehensive hydraulic enterprise integrating R&D, manufacturing, maintenance and sales of hydraulic pumps, motors and valves.

It has more than 20 years of experience focusing on the global hydraulic market. The main products are plunger pumps, gear pumps, vane pumps, motors, hydraulic valves.

POOCCA can provide professional hydraulic solutions and high-quality and inexpensive products to meet every customer.

FAQ

What are the features of A2FM motors?
A2FM motors are known for their high power density, compact size, high efficiency, and precise control and regulation. They can operate at a wide range of speeds and pressures and are designed for easy maintenance.

What are the applications of A2FM motors?
A2FM motors are suitable for use in various industrial applications, including agriculture, construction, mining, and marine. They can be used to power various types of machinery, including excavators, bulldozers, cranes, and drilling rigs.

How do A2FM motors work?
A2FM motors convert hydraulic energy into mechanical energy. The motor is driven by hydraulic pressure, which causes the pistons to rotate and create torque. The speed and direction of the motor can be controlled by adjusting the hydraulic flow rate and pressure.

What are the advantages of A2FM motors?
A2FM motors offer high power density, precise control and regulation, low noise and vibration levels, easy maintenance, and a long service life. They are also highly efficient, which results in lower energy consumption and reduced operating costs.

What are the limitations of A2FM motors?
A2FM motors have a high initial cost and are not suitable for high-speed applications. They also have a limited torque at high speeds, which may not be suitable for certain applications.

How do I maintain my A2FM motor?
A2FM motors are designed for easy maintenance. Regular maintenance should include checking the oil level and quality, inspecting the motor for leaks or damage, and replacing worn or damaged parts.

What is the warranty for A2FM motors?
12 months

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