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A2FM Hydraulic Axial Piston Fixed Motor

A2FM A2FM5 A2FM10 A2FM12 A2FM16 A2FM23 A2FM28 A2FM32 A2FM45 A2FM56 A2FM63 A2FM80 A2FM90 A2FM107 A2FM125 A2FM160 A2FM180 A2FM200 A2FM250 A2FM355 A2FM500 A2FLM250 A2FLM355 A2FLM500 A2FLM710 A2FLM1000 Hydraulic Axial Piston Fixed Motor

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Product Description

A2FM Axial Piston Fixed Motor
A2FM Product series:
Size	Nominal pressure/Maximum pressure
A2FM 5	315/350 bar
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	400/450 bar
A2FM 250 , A2FM 355 , A2FM 500 , A2FLM 250 , A2FLM 355 , A2FLM 500 , A2FLM 710 , A2FLM 1000	350/400 bar
Features:
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

Technical data

Table of values (theoretical values, without efficiency and tolerances; values rounded)

Size		NG		5	10	12	16	23	28	32	45	56	63	80
Displacement geometric, per revolution		V_g	cm³	4.93	10.3	12	16	22.9	28.1	32	45.6	56.1	63	80.4
Speed maximum		n_nom	rpm	10000	8000	8000	8000	6300	6300	6300	5600	5000	5000	4500
		n_max	rpm	11000	8800	8800	8800	6900	6900	6900	6200	5500	5500	5000
Input flow
at n_nom and V_g		q_V	L/min	49	82	96	128	144	177	202	255	281	315	362
Torque
at V_g and	Dp = 350 bar	T	Nm	24.7	57	67	89	128	157	178	254	313	351	448
	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		J_GR	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 geometric, per revolution		V_g	cm³	90	106.7	125	160.4	180	200	250	355	500	710	1000
Speed maximum		n_nom	rpm	4500	4000	4000	3600	3600	2750	2700	2240	2000	1600	1600
		n_max	rpm	5000	4400	4400	4000	4000	3000	–	–	–	–	–
Input flow
at n_nom and V_g		q_V	L/min	405	427	500	577	648	550	675	795	1000	1136	1600
Torque
at V_g and	Dp = 350 bar	T	Nm	501	594	696	893	1003	1114	1393	1978	2785	3955	5570
	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		J_GR	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