Hydraulic Power Unit
AssemblyVariable pump, valves and accumulator supplying pressurized oil to all actuators. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Hydraulic Power Unit parts and their functions
6 top-level parts · 125 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Variable Displacement Pump | 1× | Axial-piston pump with cylinder block, pistons and swashplate delivering flow on demand. |
| 2 | Servo Motor 4 parts | 1× | drives variable pump |
| 3 | Servo Drive 4 parts | 1× | closed-loop pump control |
| 4 | Valve Manifold 3 parts | 1× | Manifold block routing oil through proportional and directional valves. |
| 5 | Hydraulic Accumulator | 1× | fast injection boost |
| 6 | Oil Cooler | 1× | with in-line return filter |
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Bill of materials for Hydraulic Power Unit
6 top-level lines · 27 rows shown · 125 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Variable Displacement Pump | injection-molding-machine-hydraulic-pump | 1× | 1 | · | part |
| 2 | Servo Motor 4 parts | servo-motor | 1× | 1 | 24 | assembly |
| 2.1 | Stator Assembly 3 parts | stator-assembly | 1× | 1 | 3 | assembly |
| 2.1.1 | Stator Core (laminations) | stator-core | 1× | 1 | · | part |
| 2.1.2 | Copper Winding | copper-winding | 1× | 1 | · | part |
| 2.1.3 | Slot Insulation | stator-insulation | 1× | 1 | · | part |
| 2.2 | Rotor Assembly 4 parts | rotor-assembly | 1× | 1 | 19 | assembly |
| 2.2.1 | Rotor Shaft | rotor-shaft | 1× | 1 | · | part |
| 2.2.2 | Rotor Core | rotor-core | 1× | 1 | · | part |
| 2.2.3 | Neodymium Magnet | neodymium-magnet | 16× | 16 | · | part |
| 2.2.4 | Ball Bearing | ball-bearing | 1× | 1 | · | part |
| 2.3 | Encoder | encoder | 1× | 1 | · | part |
| 2.4 | Motor Housing | motor-housing | 1× | 1 | · | part |
| 3 | Servo Drive 4 parts | servo-drive | 1× | 1 | 91 | assembly |
| 3.1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 3.2 | IGBT Power Module | igbt-module | 1× | 1 | · | part |
| 3.3 | Gate Driver Board 3 parts | gate-driver-board | 1× | 1 | 87 | assembly |
| 3.3.1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 3.3.2 | Gate Driver IC | gate-driver-ic | 6× | 6 | · | part |
| 3.3.3 | SMD Passive (R/C/L) | smd-passives | 80× | 80 | · | part |
| 3.4 | DC-Link Capacitor | dc-link-cap | 2× | 2 | · | part |
| 4 | Valve Manifold 3 parts | injection-molding-machine-valve-manifold | 1× | 1 | 7 | assembly |
| 4.1 | Proportional Valve | injection-molding-machine-proportional-valve | 2× | 2 | · | part |
| 4.2 | Directional Valve | injection-molding-machine-directional-valve | 4× | 4 | · | part |
| 4.3 | O-Ring Set | oring-set | 1× | 1 | · | part |
| 5 | Hydraulic Accumulator | injection-molding-machine-accumulator | 1× | 1 | · | part |
| 6 | Oil Cooler | injection-molding-machine-oil-cooler | 1× | 1 | · | part |
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Where the hydraulic power unit is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $5–$2k. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| kbl.co.in ↗ | Pune, IN | Pumps & fluid systems | 200 units | 6–10 wks |
| leo.com.cn ↗ | Taizhou, CN | Pumps | 200 units | 6–10 wks |
| shaktipumps.com ↗ | Pithampur, IN | Pumps | 200 units | 6–10 wks |
| cnppumps.com ↗ | Hangzhou, CN | Pumps | 200 units | 6–10 wks |
| rotopumps.com ↗ | Noida, IN | Pumps | 200 units | 6–10 wks |