
( Brand: Ckd ), ( Manufacturer Part Number: SSD-L-50-35 ), ( Part Type: Pneumatic Cylinder )
The **CKD SSD-L-50-35 Pneumatic Air Cylinder** is a high-performance, robust linear actuator designed for demanding industrial applications where precision, reliability, and durability are paramount. Part of CKD s renowned SSD-L series, this double-acting, rod-extending pneumatic cylinder is engineered to deliver consistent, high-speed motion with minimal friction, making it ideal for automation systems, material handling, clamping, pressing, and assembly operations. With a **50mm bore diameter** and a **35mm rod diameter**, this cylinder offers a substantial force output of up to **1,200 N (120 kgf)** at 6 bar operating pressure, ensuring efficient power transmission for tasks requiring moderate to heavy loads. Its **standard stroke length of 100mm** (adjustable up to 500mm with extended options) provides flexibility for applications with varying space constraints, while the **aluminum-alloy housing** ensures a lightweight yet rigid structure that resists deformation under high-pressure conditions.
The SSD-L-50-35 features a **sealed, oil-free design** with high-quality PTFE and rubber seals, which enhance longevity by minimizing wear and preventing contamination from external debris or moisture. Its **dual-port connection** allows for bidirectional operation, enabling rapid extension and retraction cycles with precise control, while the integrated **end-of-stroke cushions** on both sides dampens impact forces, reducing mechanical stress on the system and extending the cylinder s operational lifespan. The cylinder s **standard ISO 6432 mounting flanges** ensure compatibility with a wide range of industrial mounts, adaptors, and control systems, simplifying integration into existing automation setups. Additionally, the **piston rod is chromed and polished** for corrosion resistance and smooth operation, while the **internal guide bushings** maintain alignment, reducing rod wobble and ensuring accurate, repeatable motion even under fluctuating loads.
Built to withstand harsh environments, the CKD SSD-L-50-35 is constructed from **high-grade steel and aluminum**, offering excellent resistance to temperature variations, vibration, and chemical exposure. Its **IP65 protection rating** ensures reliable performance in dusty, wet, or mildly corrosive conditions, making it suitable for applications in manufacturing plants, food processing facilities, packaging lines, and automated assembly systems. The cylinder s **low-maintenance design** eliminates the need for frequent lubrication, reducing downtime and operational costs, while its **quiet operation** minimizes noise pollution in sensitive environments. Whether used in high-speed indexing systems, press applications, or precise positioning tasks, this pneumatic cylinder delivers **consistent force, precise control, and long-term reliability**, making it a versatile and cost-effective solution for industrial automation challenges.
### **Pros and Cons of buying a CKD SSD-L-50-35 Pneumatic Air Cylinder**
#### **Pros:**1. **Compact and Lightweight Design** The SSD-L series is known for its slim profile, making it ideal for applications with limited space. The 50mm bore size balances power and compactness, suitable for moderate load applications.
2. **High Reliability and Durability** CKD (Complete Knock Down) cylinders are built for industrial use, featuring robust construction, corrosion-resistant coatings, and sealed internals to withstand harsh environments.
3. **Standardized Mounting Options** The SSD-L model comes with standard mounting flanges (e.g., ISO 15552), ensuring compatibility with most pneumatic systems without requiring custom modifications.
4. **Good Stroke-to-Bore Ratio** With a 50mm bore and a typical stroke length (e.g., 300mm or 500mm), it provides a strong force output relative to its size, making it efficient for pushing or pulling loads.
5. **Compatibility with Common Pneumatic Systems** Works seamlessly with standard air compressors (typically 6 10 bar operating pressure) and control valves, reducing integration challenges.
6. **Cost-Effective for Mid-Range Applications** Priced lower than premium brands but still reliable, making it a practical choice for OEMs, automation, or industrial machinery where high-end cylinders are unnecessary.
7. **Easy Maintenance** Standard pneumatic cylinders from CKD are designed for straightforward servicing, with accessible seals and minimal internal components that can be replaced if needed.
8. **Global Availability and Support** CKD is a well-established brand with widespread distribution, ensuring easy access to spare parts and technical support in many regions.
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#### **Cons:**1. **Limited High-Speed Performance** While functional for moderate speeds, the SSD-L series is not optimized for high-frequency cycling (e.g., > 100 strokes per minute), which may require additional damping or a different cylinder type.
2. **No Advanced Features** Unlike some premium cylinders, this model lacks built-in position sensors, integrated cushioning, or magnetic feedback, which may require external add-ons for precise control.
3. **Standard Coatings May Not Suit Extreme Environments** The cylinder s standard zinc or powder-coat finish is adequate for most industrial settings but may degrade faster in highly corrosive (e.g., chemical plants) or high-temperature (e.g., near heat sources) conditions without additional protection.
4. **Force Output Depends on Pressure** The maximum force (F P A) is directly tied to the input air pressure. At lower pressures (e.g., 5 bar), the 50mm bore may struggle with heavy loads, requiring higher pressure (and thus higher energy consumption) to achieve the desired force.
5. **Potential for Leakage Over Time** Like all pneumatic cylinders, seals degrade with use. While CKD cylinders are durable, regular maintenance is necessary to prevent air leaks, which can reduce efficiency.
6. **Limited Customization** Unlike some specialty cylinders, the SSD-L series offers few options for non-standard strokes, mounting styles, or specialized coatings, restricting flexibility for unique applications.
7. **Noise and Vibration** Standard pneumatic cylinders can generate noise and vibration during operation. While the SSD-L is well-engineered, additional damping may be needed for sensitive applications.
8. **Dependence on Air Quality** Poor air filtration (e.g., moisture, contaminants) can accelerate wear on the cylinder s internals, reducing lifespan if the pneumatic system lacks proper filtration and drying.
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### **Conclusion:**The **CKD SSD-L-50-35 pneumatic air cylinder** is a **solid, mid-range choice** for applications requiring a **compact, reliable, and cost-effective** solution. It excels in **general industrial automation, packaging, material handling, and light-duty machinery** where space is limited, and high performance is not critical. Its **standardized design, durability, and ease of integration** make it a practical option for OEMs and manufacturers who prioritize **consistency and availability** over cutting-edge features.
However, it is **not ideal** for **high-speed, high-precision, or extreme-environment applications** where advanced features (e.g., sensors, custom coatings) or specialized performance (e.g., ultra-low friction) are required. In such cases, investing in a **higher-end cylinder** (e.g., from Bosch Rexroth, Festo, or SMC) may be justified.
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### **Recommendation:** - **Buy the CKD SSD-L-50-35 if:**- You need a **reliable, space-efficient cylinder** for **moderate loads** (e.g., pushing/pulling 500 1,500 kgf at standard pressures).
- Your application does **not require** high-speed cycling, precision positioning, or extreme environmental resistance.
- You prefer a **budget-friendly, widely available** solution with **minimal customization needs**.
- Your pneumatic system already has **proper filtration and pressure regulation** to protect the cylinder.
- **Consider an alternative if:**- You require **high-speed operation** (e.g., > 100 strokes/min) or **ultra-precise control** (e.g., for robotics or CNC machines).
- The application involves **corrosive chemicals, high temperatures, or abrasive materials**, where a **specialty-coated or sealed cylinder** (e.g., stainless steel or magnetically levitated) is needed.
- You need **integrated feedback** (e.g., position sensors) or **low-friction performance** (e.g., for delicate materials).
- Your budget allows for **premium brands** (e.g., SMC, Festo, or Bosch Rexroth) that offer **longer warranties, better support, or advanced features**.
For most **general industrial uses**, the **CKD SSD-L-50-35 is a well-rounded and cost-effective choice**. However, always **verify the exact stroke length, mounting requirements, and environmental conditions** against your application s needs before purchasing.
CKD SSD-L-50-35 Compact Pneumatic Air Cylinder USED.