### **Introduction to Light-duty Pull Rod Oil Cylinders**
**Product Overview**
The lightweight telescopic cylinder adopts a **compact lever structure**, featuring light weight, flexible installation, and strong resistance to uneven loads. It is suitable for industrial equipment with limited space and requiring frequent movement, such as fixtures, molds, and automated machinery.
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### **Core Features**
1. **Lightweight Design**
- Utilizes high-strength aluminum alloy cylinders or thin-walled steel pipes, reducing the weight by 30% to 50% compared to traditional oil cylinders.
- The lever structure is simplified, facilitating transportation and installation.
2. **Compact Structure**
- Compact size, suitable for installation in narrow spaces (such as mechanical arm joints, electronic device bonding mechanisms).
3. **Strong anti-bias load capacity**
- Four pre-tightened pull rods are designed to withstand radial/axial loads, reducing wear on the piston rod.
4. **Multiple Installation Methods**
- Offers interfaces such as earpiece type, flange type, and base type, suitable for various equipment requirements.
5. **High Pressure Resistance and Long Service Life**
- Working pressure ranges from 7 to 21 MPa, and some models can reach up to 25 MPa.
- Wear-resistant seals (made of PU or PTFE), with a service life exceeding 500,000 cycles.
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### **Typical Applications**
- **Industrial Automation**: Mechanical hand grippers, assembly line positioning.
- **Injection Molding Machines**: Mold ejection, closing mechanism.
- **Medical Equipment**: Surgical table adjustment, detection instrument drive.
- **Logistics Sorting**: Conveyor belt lifting mechanism.
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### **Technical Specifications**
| **Item** | **Parameter Range** | |----------------|--------------------------|
| Cylinder diameter | Φ20mm - Φ100mm |
| Stroke | 10mm - 500mm |
| Working pressure | 7 - 21 MPa (high-pressure type 25 MPa) |
| Temperature range | -20℃ - +80℃ |
| Sealing material | PU, PTFE, NBR |
| Protection level | IP65 (optional IP67) |
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### **Selection Guide**
1. **Load and Speed**: Choose the cylinder diameter based on the thrust/tractive force requirements. For high-speed movements, select a low-friction seal.
2. **Installation Space**: Ensure that the outer diameter of the cylinder and the length of the pull rod match the equipment.
3. **Environmental Requirements**: Select stainless steel for humid environments, and use fluorosilicone for high-temperature conditions.
**Advantage Comparison**:
- **30% lighter than ordinary cylinders**, making it more suitable for dynamic applications.
- **Pull rod pre-tightening structure**, with superior anti-bias-load performance compared to bolted cylinders.
Maintenance reminder: Regularly check the preload of the pull rod nut to prevent contamination of the sealing components.
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