Internal Gear Pump Sumitomo QT Series QT52 - China Suppliers Factory for Injection Molding Machine Integration
Technical Parameters
Inlet and outlet oil port positions / Rotation |
Right |
Left |
|---|---|---|
|
N/M |
L |
|
F |
E |
FAQ
The core advantages are extremely high energy efficiency, superior control precision, and significantly reduced operating noise.
- Energy Saving up to 50-80%: Traditional fixed pumps run constantly at max pressure/flow, wasting excess energy via relief valves. The servo pump set delivers precise flow/pressure on demand, with minimal waste.
- Improved Product Quality: More stable pressure and faster response enable more precise control over injection and holding phases, reducing defects.
- Reduced Oil Temperature: Less energy waste means significantly lower hydraulic oil temperature, extending the life of oil and seals.
Yes, this is a complete drop-in replacement solution. The installation process is standardized, primarily involving:
- Mechanical Installation: Mounting the pump set to the original location via a bracket and connecting pump ports to existing high-pressure lines.
- Electrical Connection: Connecting the servo drive to the main power supply and signal lines (pressure/flow commands) to the injection molding machine's control system.
Actually, the overall maintenance cost is typically lower. The reasons are:
- Extended Hydraulic Oil Life: Significantly reduced oil temperature slows oxidation, greatly extending the replacement intervals for hydraulic oil and filters.
- Reduced Component Stress: The system no longer requires long-term high-pressure relief, reducing fatigue on pumps, valves, and fittings.
- High Reliability: Sumitomo internal gear pumps are known for their durability, and servo motors have no wear-prone components like brushes. The main maintenance task is keeping the hydraulic oil clean.
The rotation direction (Right or Left) depends on your motor's drive shaft rotation and the physical layout of your piping. You should check the technical parameters table above to match the port positions (N/M, L, F, E) with your current system setup.
These codes represent specific inlet and outlet oil port configurations relative to the pump's rotation direction. For example, a Right-rotating pump uses configurations like N/M or F, whereas a Left-rotating pump uses L or E configurations to ensure proper fluid dynamics.