The Hydraulic Station system of the riveting machine is the core device that provides stable power and control for the riveting process. It is widely used in metal connection processes in fields such as aviation, automobiles, and rail transportation. This system drives the riveting actuator through hydraulic power, enabling high-precision and high-strength riveting operations.
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## 1. System Function Features
- **High-pressure Precision Riveting**: Provides stable high-pressure oil (up to 40 MPa) to ensure uniform and consistent riveting force
- **Multiple Control Modes**: Supports single-shot/continuous riveting, with adjustable holding pressure time
- **Intelligent Monitoring**: Integrates pressure sensors and displacement detection to monitor riveting quality in real time
- **Energy-saving Design**: Utilizes variable pumps or accumulator technology to reduce energy consumption
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## 2. Core Components of the System
| **Component** | **Function Description** | |------------------|-----------------------------------------------------------------------------|
| **Power Unit** | Motor + high-pressure plunger pump combination, providing stable hydraulic power (common pressure range: 20-40 MPa) |
| **Control Valve Group** | Proportional Directional Valve, relief valve, pressure reducing valve, etc., precisely controlling riveting force and speed |
| **Riveting Actuator** | Hydraulic Cylinder or dedicated riveting head, converting hydraulic energy into riveting force |
| **Electrical Control System** | PLC + HMI control, capable of storing multiple riveting parameters, supporting pressure-displacement curve monitoring |
| **Auxiliary Devices** | Energy storage device (for stable pressure), cooling system (to maintain oil temperature), filtration system (to maintain cleanliness of oil) |
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## 3. Main Technical Parameters
- **Rated Pressure**: 20 - 40 MPa (adjustable according to the type and specification of the rivets)
- **Flow Range**: 10 - 50 L/min (determines the riveting speed)
- **Control Accuracy**: Pressure control ± 0.5 MPa, displacement accuracy ± 0.1 mm
- **Operating Modes**: Single use / Automatic cycle / Pressure retention mode
- **Protection Level**: IP54 (dustproof and splash-proof against water)
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## 4. Typical Application Fields
- **Aerospace**: Aircraft skin and structural component riveting
- **Automotive Manufacturing**: Body panel connection
- **Rail Transportation**: High-speed rail car assembly
- **Military Equipment**: Armored vehicle riveting
- **General Machinery**: Large structural component fixation
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## 5. Product Advantages
- **High Precision Control**: Utilizing proportional valves or servo valves to achieve millimeter-level riveting accuracy
- **Quality Traceability**: Capable of recording the pressure-displacement curves for each riveting operation
- **Modular Design**: Facilitates maintenance and functional expansion
- **Safe and Reliable**: Multiple safety protections (overload protection, emergency stop, etc.)
- **Energy-Efficient and Environmentally Friendly**: Automatically disengages during standby to reduce energy consumption
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## 6. Selection Guide
1. **Bolt Tension Requirement**: Calculate the required pressure based on the type and diameter of the rivets.
2. **Production Efficiency**: Select the appropriate flow rate according to the production cycle requirements.
3. **Control Requirements**: For ordinary riveting, switch control can be selected; for precise riveting, proportional/servo control is necessary.
4. **Installation Environment**: Consider space limitations and power supply conditions (380V/220V).
5. **Expansion Functions**: Do you need functions such as data recording and networking?
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