### **1. Arm Hydraulic Cylinder**
#### **Key Features**
- **Heavy-duty Design**: Made from 42CrMo alloy steel, with a pressure resistance of up to 35MPa
- **Precise Control**: Equipped with a buffer valve, enhancing the smoothness of movement by 40%
- **Extremely Long Service Life**: The piston rod is coated with laser fusion material (hardness HRC60+)
- **Intelligent Monitoring**: Optional pressure/temperature sensors (supporting IoT remote monitoring)
**Technical Specifications**:
| Compatible Models | Cylinder Diameter / Rod Diameter | Stroke | Working Pressure | Protection Level | |----------|------------|------|----------|----------|
| DX225LC | Φ140/Φ100 | 1450mm | 34.3MPa | IP68 |
| DX300LC | Φ150/Φ110 | 1580mm | 34.3MPa | IP68 |
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### 2. Small Arm Hydraulic Cylinder (Boom Cylinder)
#### Key Features
- **Compact Structure**: Optimized lever ratio design, enhancing digging force by 15%
- **Durable Design**: Triple-sealing system (main seal + dust shield + dust scraper ring)
- **Fast Response**: Starting force ≤ 0.5 MPa, cycle time reduced by 20%
**Technical Specifications**:
| Compatible Models | Cylinder Diameter / Rod Diameter | Stroke | Test Pressure | Temperature Range | |----------|------------|------|----------|----------|
| DX180LC | 120mm/85mm | 1120mm | 42MPa | -30℃ to 100℃ |
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### 3. Bucket Hydraulic Cylinder
#### Key Features
- **Impact Resistance**: Enhanced ear-ring design, lateral load-bearing capacity increased by 30%
- **Precise Adjustment**: ±1° angle control accuracy
- **Easy Maintenance**: Modular sealed package, replacement time ≤ 30 minutes
**Technical Specifications**:
| Compatible Models | Cylinder Diameter / Rod Diameter | Stroke | Buffering Method | Service Life | |----------|------------|------|----------|----------|
| DX340LC | 130mm/90mm | 985mm | Hydraulic buffer | ≥8,000 hours |
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### 4. Swing Hydraulic Cylinder
#### Key Features
- **Smooth Rotation**: Low-friction guiding system (friction coefficient ≤ 0.08)
- **Corrosion Resistance**: Passed salt spray test for 1000 hours
- **Intelligent Control**: Optional angle sensor available
**Technical Specifications**:
| Compatible Models | Working Pressure | Rotation Angle | Response Time | Protection Level | |----------|------------|------------|------------|----------|
| DX500LC | 31.4 MPa | 200° | ≤0.3s | IP67 |
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### **Quality Assurance System**
- Certified by ISO 6020/2 international standard
- Verified through 100,000 fatigue tests
- 3-year warranty for key components
- Full-process quality traceability
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### **Service Support**
- Factory-level installation guidance
- 48-hour emergency response
- Free technical training
- Global parts supply network
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