Product Introduction
The Round Flange at Head Hydraulic Cylinder features a mature circular front flange design with high coaxial alignment, making it ideal for applications where the piston rod end requires rigid fixation and the load direction is stable.
This mounting type ensures precise force transmission at the piston rod end, minimizing lateral deflection and maintaining consistent motion accuracy even under continuous operation or long stroke conditions. It is especially suited for injection molding machines and hydraulic pressing systems.
Why This Cylinder Was Designed
Standard base-mounted hydraulic cylinders may not provide sufficient front-end rigidity or precise alignment for applications where the piston rod must remain fixed.
The Round Flange at Head configuration addresses these challenges by:
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Ensuring high mounting precision and piston rod alignment
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Reducing the risk of rod deflection during long strokes
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Facilitating stable operation in continuous high-load cycles
This design is optimal for manufacturers who require precision, reliability, and ease of maintenance at the rod end of linear actuators.
Structural & Performance Advantages
✔ High Mounting Accuracy
Front flange is machined coaxially with the cylinder body to ensure minimal misalignment and precise load transfer.
✔ Long-Term Operational Stability
Optimized for continuous use in stable-load, high-precision systems.
✔ Easy Maintenance
Simplified flange interface allows convenient inspection and replacement without disassembly of the entire system.
✔ Industrial Reliability
Proven design reduces stress concentration at the piston rod end and ensures long service life under repeated cycles.
Typical Applications
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Injection molding machines
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Hydraulic pressing systems
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Precision industrial linear actuators
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Rod-end fixed linear motion systems
Technical Specifications
| Item | Specification |
|---|---|
| Series | SB-Y1 single-rod, double-acting hydraulic cylinder |
| Mounting Type | Round Flange at Head |
| Bore Diameter | 40 – 320 mm (GB/T 2348-1993) |
| Stroke | Customizable per application |
| Working Pressure | 16 MPa (25 MPa optional) |
| Cylinder Tube | Thick-walled seamless steel, precision honed |
| Piston Rod Material | 45# steel / 40Cr / stainless steel |
| Rod Treatment | Induction hardened + hard chrome plated (HRC 50+) |
| Sealing System | PTFE, GL-rings, O-rings (multi-stage sealing) |
Brand & Manufacturing
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Brand: Shibang Machinery
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Origin: China
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Manufacturing Strength:
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Mature SB-Y1 hydraulic cylinder production line
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Strict quality inspection and testing standards
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Proven reliability in high-precision rod-end applications
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Selection Tips / Important Notes
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Suitable for rod-end fixed linear motion systems with stable load direction.
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Ensure the guide structure length matches the cylinder stroke to prevent piston rod bending under long stroke operation.
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For applications with lateral load or offset forces, alternative mounting types (clevis or trunnion) should be considered.
Customization & OEM Service
Flexible customization options include:
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Bore and stroke adjustments
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Optional high-pressure reinforcement up to 25 MPa
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Rod end type selection
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Seal material choice for specialized operating environments
🔹 Looking for a rod-end fixed hydraulic cylinder for injection molding or hydraulic pressing equipment?
🔹 Need a customized SB-Y1 solution for precision linear motion systems?
👉 Request a quotation today.
