SMC CDQ2A20-45D Pneumatic Cylinder Strk D/a 45MM A1455

( Brand: Smc ), ( Manufacturer Part Number: CDQ2A20-45D ), ( Part Type: Pneumatic Cylinder ), ( Country Of Origin: United States )

Review SMC D/a Pneumatic Cylinder 45mm Strk

The **SMC CDQ2A20-45D D/A Pneumatic Cylinder** is a high-performance, double-acting pneumatic actuator designed for precision control and reliable operation in demanding industrial applications. Part of SMC s advanced CDQ series, this cylinder features a robust **20mm bore diameter** and a **45mm stroke length**, delivering a compact yet powerful solution for automated systems requiring compact yet efficient linear motion. The **A1455** designation indicates a specific model variant optimized for applications where smooth, controlled movement is critical, such as in packaging machinery, material handling, or assembly lines. Constructed with a **durable aluminum alloy body**, this cylinder offers an excellent balance of strength and weight savings, making it ideal for installations where space is limited but performance cannot be compromised. The **double-acting design** ensures bidirectional force, allowing for precise positioning and rapid retraction, while the **D/A (Direct Acting) valve interface** enables seamless integration with SMC s proportional control systems, providing variable speed and force regulation for enhanced process flexibility.

The cylinder s **sealed rod end** and **double-lip piston seals** ensure long-term reliability by minimizing air leakage and protecting internal components from contaminants, dust, or moisture critical factors in harsh industrial environments. The **standard mounting options**, including flange, clevis, or trunnion ends, allow for versatile installation configurations, accommodating diverse application requirements. Additionally, the **pre-lubricated rod** reduces friction and wear, extending the cylinder s operational lifespan while maintaining consistent performance under repeated cycles. With a **working pressure rating of up to 10 bar (145 psi)**, this actuator delivers a robust force output proportional to its compact size, making it suitable for applications demanding both precision and durability. Whether used in automated sorting systems, robotic assembly, or high-speed production lines, the **SMC CDQ2A20-45D** exemplifies SMC s commitment to engineering precision, efficiency, and reliability in pneumatic automation.

### **Pros and Cons of buying a SMC CDQ2A20-45D Pneumatic Cylinder (20mm Bore, 45mm Stroke, A1455 Series)**

1. **High Quality and Reliability** SMC is a well-established manufacturer known for durable, precision-engineered pneumatic components. Their cylinders are designed for long-term use in industrial applications, reducing maintenance needs and downtime.

2. **Compact and Lightweight Design** The 20mm bore size makes this cylinder suitable for applications where space is limited, such as in robotics, automation, or small machinery. Its lightweight nature also contributes to easier integration into existing systems.

3. **Standardized Compatibility** The A1455 series follows SMC s industry-standard mounting and connection interfaces, ensuring easy replacement or integration with other SMC components. This reduces compatibility issues and simplifies inventory management.

4. **High Stroke-to-Bore Ratio** With a 45mm stroke on a 20mm bore, this cylinder provides a good balance of force and travel, making it versatile for tasks requiring moderate displacement (e.g., clamping, positioning, or light material handling).

5. **Low Maintenance Requirements** SMC cylinders are designed with minimal wear points, often featuring sealed rods and durable seals (such as Viton or polyurethane) that resist contamination and extend service life. This reduces the need for frequent lubrication or adjustments.

6. **Energy Efficiency** Pneumatic systems, including SMC cylinders, are generally more energy-efficient than hydraulic counterparts, especially in applications where intermittent or low-force operation is required. They also respond quickly to control signals, improving cycle times.

7. **Wide Range of Accessories** SMC offers a variety of optional accessories for this model, such as cushioning, magnetic rods, or custom mounting brackets, allowing for tailored performance to specific applications.

8. **Global Support and Availability** SMC has a strong distribution network, making parts and technical support accessible worldwide. This is advantageous for troubleshooting or replacing components in remote or mission-critical applications.

9. **Precision and Repeatability** The cylinder s design ensures consistent movement and positioning, which is critical in automated processes where accuracy is required (e.g., assembly lines, packaging, or testing equipment).

10. **Cost-Effective for High-Volume Applications** While the upfront cost may be moderate, the reliability and longevity of SMC cylinders can lead to lower total cost of ownership over time, especially in high-volume or continuous-operation environments.

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1. **Higher Initial Cost Compared to Generic Brands** SMC cylinders are premium products, and their price may be significantly higher than off-brand or generic alternatives. This could be a barrier for budget-conscious buyers or small-scale projects.

2. **Limited Customization Options** While the A1455 series is versatile, major customizations (e.g., non-standard mounting, specialized seals, or extended strokes) may require additional lead time or custom orders, increasing costs and delivery delays.

3. **Dependence on Compressed Air Supply** Pneumatic systems require a reliable air compressor and filtration system. Poor air quality (e.g., moisture, contaminants) can accelerate wear on the cylinder s seals and internal components, potentially reducing its lifespan.

4. **Lower Force Output Than Larger Bores** At 20mm, this cylinder generates relatively low force (calculated as 2.5 3.5 kgf/cm for standard air pressure). For heavy-duty applications, a larger bore (e.g., 32mm or 40mm) would be more appropriate, limiting its use in high-load scenarios.

5. **Noise and Vibration** Pneumatic cylinders can produce noticeable noise and vibration during operation, which may be problematic in noise-sensitive environments (e.g., cleanrooms, laboratories, or residential areas). Additional sound-dampening measures may be needed.

6. **Temperature Sensitivity** Extreme temperatures (either too hot or too cold) can affect the performance of pneumatic seals and the cylinder s overall durability. While SMC cylinders are designed for moderate industrial environments, prolonged exposure to harsh conditions may reduce efficiency.

7. **Potential for Leaks Over Time** Like all pneumatic components, seals degrade with use, leading to air leaks. While SMC cylinders are robust, regular inspections and maintenance are necessary to prevent performance degradation, especially in dusty or corrosive environments.

8. **Limited Stroke for Some Applications** A 45mm stroke may be insufficient for applications requiring longer displacement (e.g., large-scale material handling or extended positioning tasks). In such cases, a longer-stroke cylinder would be necessary.

9. **Dependence on External Control Systems** The cylinder s operation relies on a pneumatic control system (e.g., valves, regulators). Mismatches between the cylinder and control components (e.g., incorrect valve sizing or pressure settings) can lead to inefficient or unsafe operation.

10. **Environmental Considerations** Pneumatic systems release compressed air into the atmosphere, which may contribute to noise pollution and energy waste if not properly managed. In eco-conscious applications, this could be a drawback compared to electric or hybrid alternatives.

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The **SMC CDQ2A20-45D pneumatic cylinder** is an excellent choice for applications requiring **precision, reliability, and compact design** in moderate-force, high-cycle environments. Its strengths lie in its **durability, ease of integration, and low maintenance**, making it ideal for **automation, robotics, packaging, or light material handling**. However, it may not be suitable for **high-load, long-stroke, or extreme-environment applications** due to its size limitations and reliance on clean air supply.

For buyers prioritizing **quality, longevity, and compatibility**, the SMC cylinder is a strong investment despite its higher cost. Conversely, those working with **tight budgets, heavy loads, or non-standard requirements** may need to consider alternatives, such as larger-bore cylinders, hydraulic actuators, or off-brand pneumatic options.

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- You need a **reliable, low-maintenance cylinder** for **automation, robotics, or light industrial tasks**.

- Your application requires **compact size, precise positioning, or compatibility with SMC s ecosystem**.

- You can ensure a **clean, dry air supply** to maximize the cylinder s lifespan.

- Budget constraints allow for a **premium but cost-effective long-term solution**.

- Your application demands **higher force or longer strokes** (e.g., 32mm bore or extended stroke models).

- You operate in **extreme temperatures or highly contaminated environments** (may require specialized seals or materials).

- Cost is a critical factor, and you can justify using a **generic or lower-cost brand** with equivalent performance.

- Noise or energy efficiency is a major concern (explore **silent pneumatic solutions or electric actuators**).

For most **moderate-force, precision-driven applications**, the SMC CDQ2A20-45D is a **highly recommended purchase** due to its balance of performance, durability, and support. Always verify your specific air pressure and load requirements to ensure optimal operation.

Details:

3:00 PM EST is the shipping cut-off time. By buying on this item you accept the previously stated conditions. These are industrial surplus, excess or unneeded inventory and typically shelf worn, sometimes without boxes, marked tagged with identification excesses due that in their condition they can not be sold retail.

part #: cdq2a2045d prices

• $29.99-$35.00

specifications hydraulicylind:

• brand: Smc
• mpn: Cdq2a20-45d
• part type: Pneumatic Cylinder
• country of origin: United States

shipping hydraulicylind:

• cost: $0.00
• class: Standard
• service: USPS Ground Advantage
• type: Fixed
• carrier: USPS
• transit: 7-11 Days

offer hydraulicylind:

• availability: In Stock
• sold: 0
• started: May 8, 2026
• quantity: 1
• options: Ship-to-home

general hydraulicylind:

• condition: Used
• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Hydraulic Pneumatic Cylinders

returns hydraulicylind:

• policy: Returns Accepted
• time: 30 Days
• method: Money back
• paid by: Buyer

seller hydraulicylind:

• rating: 100.0%
• # reviews: 7818
• city: Roanoke, Virginia

payments hydraulicylind:

• other
• credit card: Discover
• wallet: Apple-pay

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