4-2
SECTION 1. SPECIFICATIONS 2
Item Specification
Displacement Pump
0~25㎤/rev.
Motor
25 ㎤/rev.
Charge pump 3.7 cc/rev
Swash plate angle(Pump)
0~±16..3°(deg)
Swash plate angle (Motor)
16.3°(Deg)
Direction of Rotation(View from input shaft end) C.W
Charge relief setting Pressure( at 2700 rpm )
9~10 Kgf/㎠
Casing Pressure
Within 1.0 Kgf/㎠
Charge suction back pressure
Within 0.2 Kgf/㎠
Filtration
10㎛
Strainer 150 mesh
Contamination Grade Within NAS 9
Max.Input Horse power 29 ps @ 2700 rpm
Max. Input speed 0~3200 rpm(Max. speed:3200 rpm)
Pressure Relief Valve setting Pressure
310 ±5 Kgf/㎠ at 2ℓ/ min
Cracking Pressure
290 ±5 Kgf/㎠ over at 2ℓ/ min
Working oil THF500
Case Drain Temperature
+10°C~+90 °C(-20 °C~100 °C/ within 5minutes)
Max.Vibration Within 9 G (88.26㎨ )
Efficiency
Pressure(Kgf/㎠)
80 150 230 At N=2700rpm
Ө =16.3deg
(Representative 50℃)
Volumetric Efficiency(%) 96 94 90
Overall Efficiency(%) 57 70 71
Neutral Range(Sum of both direction )
(Note1. When it starts)
Min 1~Max. 2
deg(Min.0.017 rad)
(Max.0.035 rad)
At N=2700rpm
ΔP=60 Kgf/㎠
(at delivery time : 50℃)
Ratio of output speed over input speed
1 ± 0.03 ΔP=0 Kgf/㎠
(Ө=Max deg(50℃)
Control force -0.8~+2.6 Kgf.m
(-7.84~25.5 N.m)
At N=2700 rpm
ΔP=Min~200Kgf/㎠
Trunnion shaft moment -1.2~+2.8 Kgf.m
(-11.76~27.4 N.m)
At N=2700 rpm
ΔP=Min~200Kgf/㎠
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