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The core advantage of this adjustable stroke pneumatic cylinder is its dual-end adjustable stroke design, engineered to provide operators with immediate mechanical flexibility on the factory floor. The customizable range spans from 0-10mm for small bore models up to a substantial 0-50mm for large bore specifications. High-strength steel lock nuts deliver a firm, tactile resistance when tightened, ensuring exceptionally secure stroke positioning. The thread engagement is machined to exacting tolerances, providing a smooth rotation during adjustment and an immovable lock once set, which maintains a strict ±0.02mm repeatability even throughout relentless, high-cycle industrial operations. This mechanism allows facility engineers to adapt machinery to varying workpiece dimensions instantly, entirely eliminating the need to physically swap out pneumatic components during critical line changeovers.
Constructed with a reinforced, dense die-cast aluminum alloy body, this adjustable compact cylinder offers exceptional structural integrity and a solid metallic heft that resists deformation. It maintains 100% of its theoretical thrust and tension within the effective working stroke, exhibiting zero performance degradation across the rated operating pressure spectrum of 0.1-0.7MPa. The highly integrated internal structure drastically minimizes radial play, ensuring that the piston rod extends and retracts with absolute linear precision. This rigid, deflection-free extension guarantees stable and accurate motion control, even when the pneumatic system is subjected to demanding lateral load conditions during rapid automated sequences.
Engineered specifically for relentless, continuous industrial utilization, the cylinder incorporates premium self-lubricating bearing sleeves and advanced wear-resistant sealing components. This sophisticated configuration enables prolonged, lubrication-free operation, effectively preventing any external oil from contaminating sensitive pneumatic circuits or cleanroom environments. To guarantee optimal longevity and environmental resilience, the system requires a standard 40μm air source filtration precision and boasts a guaranteed proof pressure of 1.35MPa, making it highly reliable in volatile factory settings. This low-maintenance architecture significantly reduces routine servicing labor and extends the overall service life in 24/7 production environments, effortlessly sustaining a maximum operating frequency of 100 c.p.m for high-speed automation processes.
To accommodate highly diverse mechanical integration requirements, this series is available in both male and female thread rod end configurations, alongside optional built-in rare earth magnetic rings for precise position sensing. Beyond the standard double-acting mechanism, the product line includes specialized derivative structures such as single-acting (push/pull), dual-shaft, and multi-position models, allowing system integrators to resolve complex motion control challenges. The cylinder remains fully compatible with all standard SDA series mounting accessories, enabling seamless retrofitting into existing equipment architectures without requiring costly design modifications. Furthermore, our logical ordering code system empowers procurement professionals to rapidly configure the exact model required by simply specifying the bore size, stroke length, action type, and thread specification, ensuring accurate component sourcing.
Every unit in this series is equipped with premium rubber bumper cushions strategically positioned at both ends of the stroke. This critical anti-collision design effectively absorbs the kinetic energy generated during rapid, high-frequency operations. By dampening the terminal impact, the bumpers significantly reduce operational clatter, contributing to a quieter and safer factory environment. More importantly, this continuous energy absorption prevents internal mechanical fatigue and protects the cylinder housing from stress micro-fractures, directly contributing to the extended operational lifespan of the pneumatic system even under the most demanding continuous-duty cycles.
Parameter | Specification Details |
Bore Size (mm) | 12, 16, 20, 25, 32, 40, 50, 63, 80, 100 |
Action Type | Double Acting |
Adjustable Stroke Range | 0-10mm (12-25mm bore); 0-20mm (32-40mm bore); 0-50mm (50-100mm bore) |
Operating Pressure Range | 0.1-0.7MPa |
Ambient & Fluid Temperature | -10℃ to +60℃ (no freezing) |
Cushion Type | Rubber bumper cushion |
Port Size | M5×0.8, Rc1/8, Rc1/4 |
Repeatability | ±0.02mm |
Max. Operating Frequency | 100 c.p.m |
Lubrication | Not required |
The SDA adjustable stroke compact cylinder is meticulously manufactured utilizing premium industrial-grade materials engineered for absolute durability and precision. The main body and end caps are fabricated from high-density die-cast aluminum alloy, treated with a specialized hard anodizing process. This advanced surface treatment yields a smooth, matte finish that provides exceptional resistance against industrial corrosion and abrasive scratches. The adjustable stroke limiters feature high-tensile carbon steel construction, with precision-cut threads that offer fluid, binding-free stroke adjustments. The S45C carbon steel piston rod is finished with hard chrome plating, creating a mirror-like, ultra-low-friction surface that glides flawlessly through the self-lubricating bearing sleeve. High-performance NBR U-cup seals guarantee zero air leakage under rated pressure, while the optional rare earth magnetic ring provides stable position detection with industry-standard magnetic switches. To further support engineering teams, comprehensive standardized 2D and 3D CAD models are readily available for download, facilitating rapid digital integration and accurate spatial interference checks during the initial machine design phase.
This precision adjustable stroke pneumatic cylinder serves as an indispensable motion control component across a multitude of rigorous industrial scenarios that demand flexible, on-the-fly stroke tuning. Its unique mechanical adaptability makes it exceptionally valuable in non-standard automation equipment, where precise and variable positioning is critical. In advanced lithium battery production lines, it ensures the delicate yet firm handling of fragile electrode sheets. Automotive component assembly systems rely heavily on its consistent thrust for pressing and joining operations, while printing and dyeing machinery benefit from its robust performance in continuous cycles. Furthermore, it is widely utilized in food packaging lines to instantly adapt to varying container sizes, as well as in machine tool loading/unloading devices and heavy-duty woodworking equipment. It remains the definitive solution for machinery design engineers and industrial system integrators who require the capability to fine-tune cylinder extension lengths during equipment commissioning or process optimization, completely bypassing the costly and time-consuming process of hardware replacement.
Every single SDA adjustable stroke cylinder is subjected to a rigorous regimen of performance evaluations prior to dispatch. This comprehensive testing protocol includes strict pressure resistance verification, microscopic stroke accuracy measurements, and absolute leakage inspections, ensuring full compliance with ISO 6431 pneumatic cylinder standards. We stand behind our engineering with a comprehensive 12-month product warranty and provide dedicated technical support for complex installation and commissioning phases. Our customization capabilities are extensive, covering non-standard adjustable stroke ranges, specialized thread specifications, advanced corrosion-resistant coatings for highly caustic environments, and ATEX-compliant explosion-proof modifications for hazardous operational zones. To empower procurement professionals and engineering teams with data-driven decision-making, we offer complete technical documentation, including downloadable product selection manuals, detailed installation guides, and certified factory inspection reports in PDF format. Our technical team delivers end-to-end support, seamlessly guiding projects from the initial prototype selection through to bulk production fulfillment.
