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Hydraulic system
Hydraulic control system for truck wing
Applicable field: Power unit for truck wing
Good point: Compact, light weight
| Specification | DU-007 | DU-04W | UW-000 | |
|---|---|---|---|---|
| Electric pump |
Discharge | 6L±1L/min | 4.5L±1L/min | 4.5L±1L/min |
| Electric current |
< 95A (DC24V) |
< 90A (DC24V) |
< 90A (DC24V) |
|
| Electric Motor | Electric voltage |
DC24V | DC24V | DC24V |
| output | 1.7kW | 1.7kW | 1.7kW | |
| noise | < 80db(A) | < 80db(A) | < 80db(A) | |
| Solenoid valve |
Electric current |
0.75A | 0.75A | 0.75A |
| minimum activating voltage |
DC20V | DC20V | DC20V | |
| Relief valve |
Setting pressure |
160 kgf/cm2 | 160 kgf/cm2 | 140 kgf/cm2 |
| Pilot check valve |
check valve leakage |
< 0.05 cm3/min |
< 0.05 cm3/min |
< 0.05 cm3/min |
| Tank | Capacity | 2500 cm3 | 2500 cm3 | 2500 cm3 |
| Terms of use |
Allowable operation continuous |
3 minutes | 3 minutes | 3 minutes |
| Allowable operation limit |
1.5*104 | 1.5×104 | 1.5×104 | |
| Application temperature range |
-20deg C +70deg C |
-20deg C +70deg C |
-30deg C +80deg C |
|
Hydraulic cylinder case ASS'Y for tractor
Hydraulic Cylinder Case ASSY for tractor
Hydraulic lift of a 25-45 HP tractor
| Specification | LC-001 | EF-721 | YS-1000 | |
|---|---|---|---|---|
| Max pressure | 15Mpa | 16Mpa | 21Mpa | |
| Maximum use flow rate |
31L/min | 22L/min | 30L/min | |
| Max sustain pressure |
21Mpa | 22Mpa | 22Mpa | |
| Hydraulic fluid |
VG 32 | VG 32 | VG 56 | |
| Operation angle |
[-9°, 57°] | [-5.5°, 60°] | [-9.45°, 57°] | |
| Temperature range | -20deg C 100deg C |
-20deg C 100deg C |
10deg C 80deg C |
|
| Spool manipulability (without load) |
Push | 80±8N(0mm) | ||
| Draw | 56±5N(0mm) | |||
| Leakage | < 1cc/min | < 6.5cc/min | ||
Hydraulic pump
Piston pump
Applicable field: Construction machinery
Good point: High pressure application
| Specification | Setting pressure |
Maxi pump operation pressure |
Flow rate |
rpm |
|---|---|---|---|---|
| E055 | 210 kgf/cm2 | 350 kgf/cm2 | 1.1L/min | 1800rpm |
| 20L | 210 kgf/cm2 | 350 kgf/cm2 | 4.7L/min | 1800rpm |
| 20H | 420 kgf/cm2 | 700 kgf/cm2 | 3.0L/min | 1800rpm |
| 80L | 140 kgf/cm2 | 210 kgf/cm2 | 21.2L/min | 1800rpm |
| 80M | 210 kgf/cm2 | 350 kgf/cm2 | 12.8L/min | 1800rpm |
| 80H | 420 kgf/cm2 | 700 kgf/cm2 | 7.01L/min | 1800rpm |
Vane pump
Applicable field: Running and industrial machine
Good point: Variable flow and pressure, low noise, high efficiency
| Specification | YPA-12R | YPA-15R | YPA-28R | YPC-40ER | YPC-40ER | |
|---|---|---|---|---|---|---|
| Adjuster pressure | 0.7-7MPa | 3.5-7MPa | 1.75-3.5MPa | |||
| Flow rate (0.35MPa) |
1500rpm | 10l/min | 12.5l/min | 23l/min | 40l/min (1760rpm) |
45l/min (1760rpm) |
| 1800rpm | 12l/min | 15l/min | 28l/min | |||
| rpm | 720-1800rpm | 400-1800rpm | ||||
| Hydraulic fluid | VG 32 | VG 32 | VG 32 | VG 32 | VG 32 | |
Hydraulic valve
| Diagram | Flow rate (l/min) |
Applied pressure |
Cracking pressure |
Setting electric current |
|---|---|---|---|---|
 |
12 -35 | 20MPa | 0.04MPa | |
 |
15 -32 | 30MPa | 0.12MPa | |
 |
10 -32 | 20MPa | 0.75A-1.3A | |
 |
15 -40 | 20MPa | ||
 |
15 -40 | 20MPa | 0.02MPa | |
 |
15 -40 | 20MPa |
Hydraulic cylinder
Hydraulic cylinder for truck wing control
Applicable field: Power unit for truck wing lifting & lowering control
Good point: Variable flow and pressure, low noise, high efficiency
| Specification | DC-400 | DC-007 |
|---|---|---|
| Maxi pump operation pressure |
17.6MPa | 17.6MPa |
| Pressure resistant | 26.5MPa | 17.6MPa |
| Cylinder inside diameter |
Ø40mm | Ø50mm |
| Rod diameter | Ø25mm | Ø25mm |
| Stroke | 300mm | 300mm |
| Output performance | 12.7kN (presure14.7MPa) |
23.5kN (presure14.7MPa) |
| Output performance (upper limit ) |
5.9kN (presure14.7MPa) |
14.7kN (presure14.7MPa) |
| Cushion | 14-10mm/sec、3s | 14-10mm/sec、3s |
| Performance sustainability of Assembled unit |
<5mm/12hr | <5mm/12hr |
| Application temperature range |
30deg C +80deg C |
-30deg C +80deg C |
| Hydraulic fluid | ISO VG 15 | ISO VG 15 |
| Durability | 1.5×104 | 1.5×104 |
| Operation under most extension |
24.5kN | 34.32kN |
| The minimum operation pressure |
(0.1MPa)1 kgf/cm2 | (0.1MPa)1 kgf/cm2 |
