The fast forging Hydraulic Cylinder is a high-performance Hydraulic Actuator specifically designed for fast forging equipment (fast forging machines, forging presses), featuring high-frequency response, shock resistance, and long service life. It is suitable for high-frequency and heavy-load forging operations.
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**1. Product Features**
✅ **High-frequency Response**: The maximum working frequency can reach over **200 times per minute**, meeting the requirements of rapid forging.
✅ **High-pressure Impact Resistance**: With a reinforced structure design, it can withstand **35MPa to 70MPa** of high-pressure instantaneous impact.
✅ **Strong Resistance to Off-center Load**: Optimized guiding structure reduces the influence of lateral force on the cylinder.
✅ **Long-life Sealing**: Equipped with **polyurethane (PU) or combined seals**, it is resistant to high temperatures and wear.
✅ **High-precision Control**: Optional **displacement/pressure sensors** enable closed-loop control (such as servo cylinders).
✅ **Quick Maintenance Design**: Modular structure for easy on-site maintenance.
**2. Typical Technical Parameters**
| **Parameter** | **Technical Range** |
|------------------|----------------------------------|
| **Bore/Stroke** | Φ100mm ~ Φ500mm (Customizable) |
| **Stroke** | 200mm ~ 2000mm |
| **Working Pressure** | 21MPa ~ 70MPa (Ultra-high pressure type) |
| **Working Frequency** | 60~200 times/minute (Depending on system configuration) |
| **Temperature Range** | -20℃ ~ +120℃ (High-temperature sealing available) |
| **Sealing Materials** | Polyurethane (PU), PTFE, Aramid Fiber |
| **Mounting Methods** | Flange type, Ear type, Hinge type |
**3. Structural Optimization Design**
**(1) Reinforcement of Cylinder and Piston Rod**
- **Cylinder**: Made of **high-strength alloy steel (27SiMn, 45# steel)**, with precision honing of the inner hole and hard chrome plating on the surface.
- **Piston Rod**: **42CrMo or stainless steel**, high-frequency quenching + chrome plating, hardness ≥ HRC60, resistant to bending and impact.
**(2) Impact-resistant Sealing System**
- **Main Seal**: **V-shaped combination seal** or **polyurethane U-shaped ring**, resistant to high pressure and extrusion.
- **Buffer Design**: **Stepped buffer structure**, reducing impact at the end of forging.
**(3) Guidance and Dust-proofing**
- **Extended Guide Sleeve**: Reduces piston rod deflection and extends the life of the seal.
- **Multi-layer Dust Seals**: Prevents entry of forging scale and dust into the cylinder.
**4. Fast Forging Cylinders vs. Ordinary Cylinders**
| **Comparison Item** | **Fast Forging Hydraulic Cylinder** | **Ordinary Hydraulic Cylinder** |
|---------------------|----------------------------------|--------------------------------| |------------------|--------------------------------|------------------------------|
| **Working Frequency** | 60 - 200 times/minute | Usually < 30 times/minute |
| **Pressure Resistance** | 35 MPa - 70 MPa (impact resistant) | Usually ≤ 25 MPa |
| **Sealing Life** | Over 500,000 times (resistant to high-frequency wear) | 100,000 - 200,000 times (under normal working conditions) |
| **Guide Structure** | Extended guide, resistant to eccentric load | Standard guide |
| **Applicable Scenarios** | Forging, stamping, copper hammering | General engineering machinery |
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