Hydraulic Axial Piston Motor A2FM

High-pressure Fixed Displacement Piston Motor TFA2FM 6X Series

General high pressure motor

Size 5 ... 1000

Nominal pressure up to 400bar

Max. Pressure up to 450bar

Open and closed circuit

Metric models

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Features

● A wide range of norminal specs are available. Accurate adjustment can be done according to application.

● Favourable power / weight ratio

● Optimum efficiency

● High starting efficiency

● SAE flange or a threaded working port.

● Integrated pressure relief valve can be chosen

● Optional pre-installed additional valves: Motion control valve (BVD/BVE), flushing and boost pressure relief valve

● Bent axis design

Parameters

High-pressure Fixed Displacement Piston Motor TFA2FM 6X Series

Item	Symbol	Unit	5	10	12	16	23	28	32	45	56	63	80
Size			5	10	12	16	23	28	32	45	56	63	80
Displacement (per revolution)	Vg	cm³	4.93	10.3	12	16	22.9	28.1	32	45	56	63	80
Nominal pressure	Pnom	bar	315	400	400	400	400	400	400	400	400	400	400
Maximum pressure	Pmax	bar	350	450	450	450	450	450	450	450	450	450	450
Maximum rotation speed	nnom¹)	rpm	10000	8000	8000	8000	6300	6300	6300	5600	5000	5000	4500
Maximum rotation speed	nmax²)	rpm	11000	8800	8800	8800	6900	6900	6900	6200	5500	5500	5000
Input flow at nnom	qV	l/min	49	82	96	128	144	177	202	255	281	315	362
Torque at pnom	M	Nm	24.7	66	76	102	146	179	204	290	357	401	512
Torsional 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 of about drive axis	JTW	kg·m²	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	α	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	0.2	0.33	0.45	0.45	0.55
Weight (approximate)	m	kg	2.5	5.4	5.4	5.4	9.5	9.5	9.5	13.5	18	18	23

Item	Symbol	Unit	90	107	125	160	180	200	250	355	500	710	1000
Size			90	107	125	160	180	200	250	355	500	710	1000
Displacement (per revolution)	Vg	cm³	90	106.7	125	160.4	180	200	250	355	500	710	1000
Nominal pressure	Pnom	bar	400	400	400	400	400	400	400	350	350	350	350
Maximum pressure	Pmax	bar	450	450	450	450	450	450	450	400	400	400	400
Maximum rotation speed	nnom¹)	rpm	4500	4500	4000	3600	3600	2750	2700	2240	2000	1600	1800
Maximum rotation speed	nmax²)	rpm	5000	4400	4400	4000	4000	3000
Input flow at nnom	qV	l/min	405	427	500	577	648	550	675	795	1000	1136	1600
Torque at pnom	M	Nm	573	679	796	1021	1146	1273	1393	1978	2785	3955	5570
Torsional 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 of about drive axis	JTW	kg·m²	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	α	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
Weight (approximate)	m	kg	23	32	32	45	45	66	73	110	155	325	336

1) These values are valid under the following conditions:

- Within the optimal viscosity range νopt=36 to 16 mm²/s

- Using mineral oil-based hydraulic fluid

2) Maximum intermittent speed: for overspeed during unloading and maintenance, t<5 s and Δp<150 bar

3) Input flow limitation via counterbalance valve

4) Torque without radial forces / with radial forces, see table "Permitted radial and axial forces on the drive shaft"Note

The values in the table are theoretical values, and do not take efficiency and tolerances into account. These values have

been rounded.

Exceeding the permitted maximum values or falling below the permitted minimum values may result in loss of function,

reduced service life, or complete destruction of the axial piston unit. For other permitted limit values, such as speed changes,

angular acceleration as a negative function of frequency, and the permitted angular acceleration during start-up (less than the maximum angular acceleration), please refer to data sheet 90261.

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