Ultra Heavy-Duty Crane Cylinder for Massive Payloads
Elevate thousands of tons with unwavering stability. The EPYY11112018 crawler crane lifting cylinder is a colossal 1003kg actuator engineered for the world’s most demanding lifting operations. Operating at a massive 31.5MPa working pressure with a 2200mm stroke, this heavy-duty crane cylinder guarantees precision boom luffing in critical infrastructure projects.
1. Comprehensive Product Overview
The crawler crane lift cylinder acts as the central spine of heavy lifting equipment. Tasked with raising the main lattice boom, it must overcome immense gravitational forces and wind shear. The EPYY11112018 model is specifically forged to handle these extreme mechanical stresses, serving as the ultimate high-tonnage crane boom lift cylinder.
Whether you are maintaining an existing fleet or sourcing a reliable crawler crane boom luffing cylinder replacement, this 1003kg titan provides OEM-surpassing performance. Its $\Phi$280mm bore diameter ensures it can generate the breakaway force necessary for mega-scale bridge construction and wind turbine erection.
Primary Field Applications:
- Crawler Cranes: Main boom elevation and angle maintenance.
- Offshore Pedestal Cranes: Heavy luffing operations in harsh marine environments.
- Rough Terrain Cranes: High-pressure boom lifting with maximum stability.
2. Exact Technical Parameters
Heavy lifting requires zero margin for error. Review the verified specifications of the EPYY11112018 crawler crane lifting cylinder below to ensure perfect hydraulic compatibility with your crane’s luffing circuit.
| Technical Attribute | Specification Details (Model: EPYY11112018) |
|---|---|
| Cylinder Model Number | EPYY11112018 |
| Bore × Rod × Stroke Specifications | $\Phi$280 × $\Phi$160 × 2200 (mm) |
| Rated Working Pressure | 31.5 MPa (Heavy-Duty Standard) |
| Maximum Withstand Pressure | 40 MPa (Extreme Surge Buffer) |
| Trip / Operational Stroke | 2200 mm (Main Boom Elevation) |
| Installation Distance (Pin-to-Pin) | 3000 mm |
| Total Unit Weight | 1003 kg (Massive Steel Construction) |
3. Structural Principles & CAD Blueprint
As a premier heavy-duty crane cylinder, the EPYY11112018 operates under immense continuous pressure. Mounted at the base of the crane’s superstructure, it utilizes its 2200mm stroke to actively control the luffing angle of the heavy lattice or telescopic boom.
Hydraulic Dynamics: Supplying 31.5MPa to the massive $\Phi$280mm bore produces phenomenal lifting torque. To counter the extreme weight of the boom and suspended load, the cylinder is engineered to withstand up to 40MPa of internal pressure, ensuring the barrel does not warp during sudden wind gusts or dynamic load drops.
Blueprint Anatomy: The CAD drawing details the impressive 3000mm pin-to-pin installation geometry. It utilizes ultra-heavy-duty spherical plain bearings to absorb the unavoidable chassis twisting that occurs when a crawler crane tracks across uneven ground with a suspended load.
CAD Schematic showcasing the 3000mm install distance and $\Phi$280mm heavy-duty bore.
4. Core Advantages of Our Crane Lift Rams
1003kg of Unyielding Strength
The massive 1003kg build provides the necessary material density to safely support crane booms lifting hundreds of tons, ensuring zero structural compromise.
40MPa Extreme Surge Buffer
Engineered to withstand up to 40MPa, protecting the cylinder from catastrophic failure during sudden dynamic load shifts or emergency braking.
Zero-Drift High-Pressure Seals
Fitted with premium imported NOK seals capable of holding 31.5MPa continuously, eliminating the risk of the boom slowly dropping during extended hoists.
Anti-Buckling $\Phi$160mm Rod
The $\Phi$160mm rod diameter ensures the cylinder resists immense bending stress when the crane boom is lowered to near-horizontal angles.
5. Structure and Material Craftsmanship
Building a 1-ton actuator requires unparalleled metallurgical expertise. As a globally trusted heavy-duty lifting hydraulic cylinder manufacturer, we forge the EPYY11112018 from premium high-yield seamless steel, specifically treated to prevent micro-fissures under repetitive high-tonnage lifting.
The colossal $\Phi$280mm internal bore is deep-hole bored, CNC skived, and roller-burnished to achieve an absolute mirror finish. This process drastically reduces friction during the 2200mm stroke, safeguarding the high-pressure seals from thermal degradation.
- Quenched $\Phi$160mm Rod: Induction-hardened and coated with 50µm of hard chrome to resist impacts and severe marine/construction corrosion.
- Flawless Welding: Trunnions are integrated via deep-penetration robotic SAW welding, subject to 100% ultrasonic testing.
- Extreme Pressure Testing: Every 1003kg cylinder undergoes a mandatory 40MPa hydrostatic hold test to guarantee field safety.
State-of-the-art heavy cylinder test stand validating 40MPa surge thresholds.
6. Typical Heavy Lifting Scenarios
🏗️ Large Crawler Cranes
Acting as the primary luffing actuator to raise lattice booms supporting hundreds of tons of counterweights during structural erections.
🚢 Offshore Pedestal Cranes
Providing the robust 31.5MPa hydraulic power needed for heavy lifting operations on offshore drilling rigs and pipe-laying vessels.
⚙️ Wind Turbine Erection
Ensuring absolute zero-drift holding power when hoisting multi-ton turbine nacelles to extreme heights in challenging wind conditions.
The EPYY11112018 providing uncompromising boom elevation for the world’s heaviest crawler cranes.
7. Frequently Asked Questions (FAQ)
1. Is this a suitable crawler crane boom luffing cylinder replacement?
2. What makes the EPYY11112018 crawler crane lifting cylinder unique?
3. Why is a $\Phi$160mm rod necessary for this crane boom lift cylinder?
4. Can the hydraulic seals hold a suspended load for hours?
5. Does this heavy-duty crane cylinder include counterbalance valves?
6. How do the mounting bearings handle lateral twisting?
7. Is it possible to rebuild this 1003kg cylinder?
8. Is it treated for offshore or marine construction environments?
9. Do you manufacture custom strokes based on this $\Phi$280 profile?
10. How is a 1-ton cylinder shipped internationally?
Restore Unyielding Lifting Power to Your Fleet
Don’t compromise on heavy infrastructure safety. Partner with an elite Heavy-duty lifting hydraulic cylinder manufacturer to secure the 31.5MPa hoisting force your crawler cranes demand.
Official Website: tiltcylinder.net | Factory Direct | 100% Pre-Dispatch Hydrostatic Testing
