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variable displacement piston motor a6vm for crane-0

Variable Displacement Piston Motor

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Home > Variable Displacement Piston Motor
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Feature:

1).Robust motor with long service life . 

2).Approved for very high rotational speeds.

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

4).High torque. 

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

6).Optionally with Integrated or mounted counterbalance valve.

7).Bent-axis design.

variable displacement piston motor a6vm for crane-1

Technical data
Size NG 28 55 80 107 140 160
Geometric  displacement,perrevolution¹ Vgmax cm³ 28.1 54.8 80 107 140 160
Vgmin cm³ 0 0 0 0 0 0
Vgx cm³ 18 35 51 68 88 61
Maximum rotational at Vgmax nnom rpm 5550 4450 3900 3550 3250 3100
speed2)(while adhering tothe maximum permissible at  V₉ nmax rpm 8750 7000 6150 5600 5150 4900
inlet flow) where Vg. nmax rpm 10450 8350 7350 6300 5750 5500
Inlet flow3) at nnom and Vgmax qvamx I/min 156 244 312 380 455 496
Torque4) at Vgmaxand △p=400bar T Nm 179 349 509 681 891 1019
at Vgmaxand △p=350bar T Nm 157 305 446 596 778 891
Rotary stiffness Vgmaxto Vg/2 cmin kNm/rad 6 10 16 21 34 35
Vg/2to 0(interpolated) cmin kNm/rad 18 32 48 65 93 105
Moment of inertia for rotary group JTW 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 I 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 revolution' Vgmax cm³ 200 250 355 500 1000
Vgmin cm³ 0 0 0 0 0
Vgx cm³ 76 205 300 417 1000
Maximum rotational at Vgmax nnom rpm 2900 2700 2240 2000 1600
spped²'(while adhering tothe maximum permissibleinlet flow) at  V₉ nmax rpm 4600 3300 2650 2400 1600
where Vg0 nmax rpm 5100 3300 2650 2400 1600
Inlet  flow³ at nnm and Vgmax qvmax I/min 580 675 795 1000 1600
Torque⁴) at Vgmax and △p =400 bar T Nm 1273 一
at Vgmax and △p=350 bar T Nm 1114 1391 1978 2785 5571
Technical data
Size NG 28 55 80 107 140 160
Geometric  displacement,perrevolution¹ Vgmax cm³ 28.1 54.8 80 107 140 160
Vgmin cm³ 0 0 0 0 0 0
Vgx cm³ 18 35 51 68 88 61
Maximum rotational at Vgmax nnom rpm 5550 4450 3900 3550 3250 3100
speed2)(while adhering tothe maximum permissible at  V₉ nmax rpm 8750 7000 6150 5600 5150 4900
inlet flow) where Vg. nmax rpm 10450 8350 7350 6300 5750 5500
Inlet flow3) at nnom and Vgmax qvamx I/min 156 244 312 380 455 496
Torque4) at Vgmaxand △p=400bar T Nm 179 349 509 681 891 1019
at Vgmaxand △p=350bar T Nm 157 305 446 596 778 891
Rotary stiffness Vgmaxto Vg/2 cmin kNm/rad 6 10 16 21 34 35
Vg/2to 0(interpolated) cmin kNm/rad 18 32 48 65 93 105
Moment of inertia for rotary group JTW 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 I 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 revolution' Vgmax cm³ 200 250 355 500 1000
Vgmin cm³ 0 0 0 0 0
Vgx cm³ 76 205 300 417 1000
Maximum rotational at Vgmax nnom rpm 2900 2700 2240 2000 1600
spped²'(while adhering tothe maximum permissibleinlet flow) at  V₉ nmax rpm 4600 3300 2650 2400 1600
where Vg0 nmax rpm 5100 3300 2650 2400 1600
Inlet  flow³ at nnm and Vgmax qvmax I/min 580 675 795 1000 1600
Torque⁴) at Vgmax and △p =400 bar T Nm 1273 一
at Vgmax and △p=350 bar T Nm 1114 1391 1978 2785 5571
Rotary stiffness Vgmax to V₉/2 Cmin kNm/rad 44 60 75 115 281
V,/2 to 0(interpolated) Cmin kNm/rad 130 181 262 391 820
Moment of inertia for rotary group JTw kgm² 0.0353 0.061 0.102 0.178 0.55
Maximum angular acceleration a rad/s² 11000 10000 8300 5500 4000
Case volume V I 2.7 3.00 5.0 7.0 16.0
Weight approx. m kg 78 100 170 210 430

>Rotary stiffnessVgmax to V₉/2CminkNm/rad446075115281

V,/2 to 0(interpolated)CminkNm/rad130181262391820Moment of inertia for rotary groupJTwkgm²0.03530.0610.1020.1780.55Maximum angular accelerationarad/s²1100010000830055004000Case volumeVI2.73.005.07.016.0Weight approx.mkg78100170210430

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