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Hydraulic High Pressure Piston Motor A6VM for Crane

Hydraulic High Pressure Piston Motor A6VM for Crane

1.Robust motor with long service life .

2.Approved for very high rotational speeds

3.High control range (can be swiveled to zero)

4.Variety of contra Is Optionally with flushing and boost-pressure valve mounted

5.Optionally with Integrated or mounted counterbalance valve

6.Bent-axis design

Detailed description

This equipment is equipped with a robust motor that features a durable structure and high wear resistance, ensuring a long service life even in harsh working environments such as high load, high temperature and frequent start-stop, which reduces maintenance frequency and overall operational costs. The motor is approved for very high rotational speeds, enabling stable and reliable operation at extreme high-speed conditions without excessive vibration, noise or component damage, making it suitable for high-speed hydraulic drive scenarios requiring efficient power output. It has a high control range and can be swiveled to zero displacement, allowing flexible adjustment of output flow from maximum to zero, realizing precise control of the hydraulic system and avoiding energy waste. It offers a variety of control options to adapt to different system requirements, and can be optionally equipped with mounted flushing and boost-pressure valve to enhance oil cleanliness and maintain stable boost pressure. Additionally, it can be optionally configured with an integrated or mounted counterbalance valve to prevent load drift and ensure safe operation. Adopting a bent-axis design, it optimizes power transmission efficiency, reduces internal mechanical wear, and ensures compact structure while enhancing operational stability.

Type code

01	02	03	04	05	06	07	08		09	10	11		12	13	14	15	16	17	18	19		20
	A6V		M					/	63	W		-	V								-

Hydraulic fluid

01	Mineral oil and HFD. HFD for sizes 250 to 1000 only in conjunction with long-life bearing "L"(without code)
	HFB, HFC hydraulic fluid	Size 28 to 200 (without code)
		Sizes 250 to 1000(only in conjunction with long-life bearings"L")	E

Axial piston unit

Bent-axis design, variable

A6V

Drive shaft bearing

		28...200	250	355	500	1000
03	Standard bearings (without code)	●	●	●	●	-
03	Long-life bearings	-	●	●	●	●	L

Operating mode

Motor (plug-in motor A6VE, see data sheet 91606)

Size (NG)

Geometric displacement

107

140

160

200

250

355

500

1000

Control device¹⁾

Proportional control, hydraulic

Δp_st =10 bar

●

HD1

Δp_st =25 bar

●

HD2

Δp_st =35 bar

●

HD3

Proportional control, electric

U=12V

●

EP1

U=24V

●

EP2

Two-point control, hydraulic

●

HZ1

●

HZ3

Two-point control, electric

U=12V

●

EZ1

U=24V

●

EZ2

U=12V

●

EZ3

U=24V

●

EZ4

Automatic control,

high-pressure related

With minimum pressure increase

Δp≤approx.10 bar

With pressure increase Δp= 100bar

●

HA1

●

HA2

Automatic control, speed related

pst/pHD=3/100 Hydraulic travel direction valve

●

○

pst/pHD=5/100

Hydraulic travel direction valve

●

DA1

Electric travel direction valve+

electric V_g_ma_x circuit

U=12V

●

DA2

U=24V

●

DA3

pst/pHD=8/100

Hydraulic travel direction valve

●

DA4

Electric travel direction valve+

electric V_g_ma_x circuit

U=12V

●

DA5

U=24V

●

DA6

107

140

160

200

250

355

500

1000

Without pressure control/override

●

Pressure control

fixed setting

●

Hydraulic override, two-point

●

Hydraulic remote control, proportional

－

●

•=Available ○= On request － =Not available

1)Specify response time damping when ordering (sizes 28 to 200)

2) 2nd pressure setting fitted as standard with Version D (sizes 250 to 1000)

Overrides for the HA1 and HA2 controls

107

140

160

200

250

355

500

1000

Without override (without code)

●

Hydraulic override, remote control, proportional

●

Remote control electric override, two-point

U=12V

●

－

U=24V

●

－

Electric override

U=12V

●

－

+travel direction valve, electric

U=24V

●

－

Series

Series 6, index 3

Direction of rotation

Viewed on drive shaft, bidirectional

Setting ranges for displacement³⁾

107

140

160

200

250

355

500

1000

V_gmin = 0 to 0.7 V_gmax

●

－

V_gmin =0 to 0.4 V_gmax V_gmax =V_gmax to 0.8 V_gmax

－

●

V_gmin > 0.4 V_gmax to 0.8 V_gmax V_gmax =V_gmax to 0.8 V_gmax

－

●

Sealing material

FKM (fluoroelastomer)

Drive shaft

107

140

160

200

250

355

500

1000

Splined shaft DIN 5480

●

－

●

－

●

Parallel keyed shaft DIN 6885

－

●

Mounting flange

107

140

160

200

250

355

500

1000

ISO 3019-2

4-hole

●

－

8-hole

－

●

Port plate for working line⁴⁾

107

140

160

200

250

355

500

1000

SAE working ports A and B at rear

●

010

●

017

SAE working ports A and B lateral, opposite

●

020

●

027

SAE working ports A and B lateral, opposite + rear

－

●

150

Port plate with 1-stage pressure-relief valves for,mountinga counterbalance valve⁵⁾

for BVD20

－

●

－

370

－

●

－

378

for BVD20/BVD25

－

●

●⁶⁾

－

380

－

●

●⁶⁾

－

388

for BVE

－

●

－

380

－

●

－

388

0=Without valve

7=Flushing and boost-pressure valve, mounted

8=Counterbalance valve mounted⁷⁾

•=Available ○= On request － =Not available

3)Please specify exact settings for V_gminand V_gmaxin plain text when ordering:V_gmin=...cm³,V_gmax=...cm³

4) Fastening thread,metric

5) Only possible in combination with HD,EP and HA control.

6) Type code for counterbalance valve to be quoted separately in accordance with data sheet 95522- BVD or 95525-BVE.

7) Counterbalance valve MHB32,please contact us.

Speed sensor

107

140

160

200

250

355

500

1000⁸⁾

Without speed sensor (without code)

●

Prepared for HDD speed sensor

▲

●

－

HDD speed sensor mounted⁹⁾

▲

●

－

Prepared for DSM/DSA speed sensor

●

－

DSM/DSA speed sensor mounted⁹⁾

●

－

Swivel angel sensor

107

140

160

200

250

355

500

1000

Without swivel angle sensor

●

－

Optical swivel angle sensor

－

●

Electric swivel angle sensor

－

●

Connector for solenoids

		28 to 200	250 to 1000
18	Without connector (without solenoid, with hydraulic control only)(sizes 250 to 1000)	●	－	O
		－	●
	DEUTSCH molded connector, 2-pin-without suppressor diode	●	－	P
	HIRSCHMANN connector-without suppressor diode	－	●

Beginning of control

107

140

160

200

250

355

500

1000

At V_gmin (standard for HA)

●

At V_gmax(standard for HD, HZ, EP, EZ, DA)

●

Standard/special version

20	Standard version
	Standard version with installation variants, e.g. T ports open and closed contrary to standard	-Y
	Specialversion	-S

•=Available ○= On request ▲=Not for new projects － =Not available

Notice

▶In addition to the type code, please specify the relevant technical data when placing your order.

8) Please contact us.

9) Specify type code separately for sensor in accordance with data sheet 95132-DSM or 95133-DSA,95135-HDD and observe the requirements for the electronics.

Technical data

Size		NG		28	55	80	107	140	160
Geometric displacement, per revolution¹⁾		V_gmax	cm³	28.1	54.8	80	107	140	160
		V_gmin	cm³	0	0	0	0	0	0
		V_gx	cm³	18	35	51	68	88	61
Maximum rotational speed²⁾(while adhering to the maximum permissible inlet flow)	at V_gmax	n_nom	rpm	5550	4450	3900	3550	3250	3100
	at V_g<V_gx	n_max	rpm	8750	7000	6150	5600	5150	4900
	where V_go	n_max	rpm	10450	8350	7350	6300	5750	5500
Inlet flow³⁾	at nnom and V_gmax	q_vmax	l/min	156	244	312	380	455	496
Torque⁴⁾	at V_gmaxand Δp=400bar	T	Nm	179	349	509	681	891	1019
Torque⁴⁾	at V_gmax and Δp= 350bar	T	Nm	157	305	446	596	778	891
Rotary stiffness	V_gmax to V_g/2	c_min	kNm/rad	6	10	16	21	34	35
Rotary stiffness	V_g/2 to 0 (interpolated)	c_min	kNm/rad	18	32	48	65	93	105
Moment of inertia for rotary group		J_TW	kgm²	0.0014	0.0042	0.008	0.127	0.0207	0.0253
Maximum angular acceleration		α	rad/s²	47000	31500	24000	19000	11000	11000
Case volume		V	l	0.5	0.75	1.2	1.5	1.8	2.4
Weight approx.		m	kg	16	28	36	46	61	62

Size		NG		200	250	355	500	1000
Geometric displacement, per revolution¹⁾		V_gmax	cm³	200	250	355	500	1000
		V_gmin	cm³	0	0	0	0	0
		V_gx	cm³	76	205	300	417	1000
Maximum rotational speed²⁾(while adhering to the maximum permissible inlet flow)	at V_gmax	n_nom	rpm	2900	2700	2240	2000	1600
	at V_g<V_gx	n_max	rpm	4600	3300	2650	2400	1600
	where V_go	n_max	rpm	5100	3300	2650	2400	1600
Inlet flow³⁾	at nnom and V_gmax	q_vmax	l/min	580	675	795	1000	1600
Torque⁴⁾	at V_gmaxand Δp=400bar	T	Nm	1273	－	－	－	－
Torque⁴⁾	at V_gmax and Δp= 350bar	T	Nm	1114	1391	1978	2785	5571
Rotary stiffness	V_gmax to V_g/2	c_min	kNm/rad	44	60	75	115	281
Rotary stiffness	V_g/2 to 0 (interpolated)	c_min	kNm/rad	130	181	262	391	820
Moment of inertia for rotary group		J_TW	kgm²	0.0353	0.061	0.102	0.178	0.55
Maximum angular acceleration		α	rad/s²	11000	10000	8300	5500	4000
Case volume		V	l	2.7	3.00	5.0	7.0	16.0
Weight approx.		m	kg	78	100	170	210	430

Speed range

The minimum rotational speed n_min is not restricted. Please consult us regarding applications requiring uniformity of the rotatory motion at low speeds.

1)The minimum and maximum displacement can be steplessly adjusted,(standard setting for sizes 250 to 1000 if ordering code is missing.V_g_min =0.2×V_g_max, V_{g max} = V_g_ma_x)

2) The values are applicable:

-for the optimum viscosity range from V_opt=36 to 16 mm²/s

-with hydraulic fluid based on mineral oils

3)Observe limitation of displacement due to counterbalance valve

4) Torque without radial force, with radial force.

Notice

▶Theoretical values, without efficiency and tolerances;values rounded

▶Operation above the maximum values or below the minimum Values may result in a loss of function, a reducd service life or in the destruction of the axial piston unit. Other permissible limit values, such as speed variation, reduced angular acceleration as a function of the frequency and the permissible angular acceleration at start (lower than the maximum angular acceleration) can be found in data sheet 90261.

▼Permissible displacement in relation to rotational speed

Determining the operating characteristics
Inlet flow	q_v=(V_g×n)/(1000×η_v)	[i/min]
Rotational speed	n=(q_v×1000×η_v)/V_g	[rpm]
Torque	T=(V_g×Δp×η_hm)/(20×π)	[Nm]
Power	P=(2π×T×n)/60000=(q_v×Δp×η_t)/600	[kW]

Key

V_g=Displacement per revolution [cm³]

Δp=Differential pressure [bar]

n=Rotational speed [rpm]

η_v=Volumetric efficiency

η_hm=Hydraulic-mechanical efficiency

η_t=Total efficiency (n_t=n_v × n_hm)

Variable Displacement Piston motor A6VM for Crane

A6VM

Hydraulic High Pressure Piston Motor A6VM for Crane

Detailed description

Type code

Hydraulic fluid

Axial piston unit

Drive shaft bearing

Operating mode

Size (NG)

Control device1)

Overrides for the HA1 and HA2 controls

Series

Direction of rotation

Setting ranges for displacement3)

Sealing material

Drive shaft

Mounting flange

Port plate for working line4)

Speed sensor

Swivel angel sensor

Connector for solenoids

Beginning of control

Standard/special version

Notice

Technical data

Speed range

Notice

▼Permissible displacement in relation to rotational speed

Key

Control device¹⁾

Setting ranges for displacement³⁾

Port plate for working line⁴⁾