SMC CDQ2A40-100DCZ Cylinder 1.0MPA D2

( Brand: Smc ), ( Manufacturer Part Number: CDQ2A40-100DCZ ), ( Part Type: Cylinder ), ( Materials Sourced From: China ), ( Suitable Media: Compressed Air ), ( Cylinder Type: Compact Cylinder ), ( Cylinder Action: Double-acting ), ( Stroke Length: 100mm ), ( Bore Diameter: 40mm ), ( Country Of Origin: Japan )

Review SMC Compact Cylinder Used D2

The **SMC CDQ2A40-100DCZ** is a high-performance, double-acting pneumatic cylinder designed for precision-driven industrial applications where reliability, efficiency, and compact design are paramount. This robust cylinder belongs to the **CDQ series**, renowned for its durability and adaptability in demanding environments, and is engineered to deliver consistent force and linear motion with minimal wear. With a **nominal pressure rating of 1.0 MPa (10 bar)**, it operates optimally within standard compressed air systems, ensuring stable performance across a wide range of industrial tasks, from assembly lines and material handling to packaging and automation. The **D2 designation** indicates a **double-rod design**, which provides balanced force on both the extension and retraction strokes, reducing side loads and enhancing stability ideal for applications requiring symmetrical movement, such as clamping, indexing, or positioning systems.

Constructed from high-grade **steel alloys**, the cylinder s body is precision-machined to exacting tolerances, ensuring structural integrity and resistance to fatigue under repeated cycling. The **CDQ2A40** model features a **bore diameter of 40 mm**, offering a stroke length of **100 mm**, making it well-suited for applications where space is limited but precise, controlled motion is essential. The **double-acting design** allows for independent control of both the extension and retraction phases, enabling bidirectional force application with high repeatability. This is particularly advantageous in applications where the cylinder must hold a load in place during processing or where rapid, controlled movements are required for efficiency.

The **DCZ variant** incorporates a **cushioned end-of-stroke feature**, which significantly reduces impact forces upon reaching the fully extended or retracted positions. This not only extends the cylinder s operational lifespan by minimizing wear on seals and internal components but also reduces noise and vibration, contributing to a smoother, quieter operation critical in environments where precision and ergonomics are priorities. The cylinder is equipped with **standard ISO-compliant mounting flanges**, ensuring compatibility with a broad range of actuators, valves, and control systems, while its **sealed rod end** prevents contamination from entering the cylinder, protecting internal mechanisms from dust, debris, and moisture.

SMC s reputation for innovation is evident in the **CDQ2A40-100DCZ**, which integrates **low-friction piston seals and advanced guide systems** to optimize efficiency and reduce energy consumption. The cylinder s **compact yet sturdy construction** allows for easy integration into tight spaces, while its **modular design** enables straightforward customization for specific applications, such as the addition of position sensors, magnetic feedback devices, or custom rod extensions. Whether deployed in **automotive manufacturing, food processing, or electronics assembly**, this cylinder delivers **consistent, high-precision motion** with minimal maintenance requirements, making it a cost-effective solution for industries demanding both performance and longevity.

For applications where **reliability and precision are non-negotiable**, the **SMC CDQ2A40-100DCZ** stands out as a versatile, high-performance pneumatic actuator capable of handling a variety of tasks with ease. Its **double-acting functionality, cushioned ends, and robust construction** ensure smooth, controlled operation under demanding conditions, while its **standardized design** simplifies integration into existing automation systems. With SMC s commitment to quality and engineering excellence, this cylinder represents a dependable choice for engineers and operators seeking a balance of power, precision, and durability in their pneumatic applications.

The **SMC CDQ2A40-100D-CZ** is a pneumatic double-acting cylinder designed for general-purpose applications, offering moderate force and stroke. Below is a detailed analysis of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the SMC CDQ2A40-100D-CZ**

1. **Reliability and Brand Reputation**

SMC is a well-established manufacturer in pneumatic automation, known for consistent quality, durability, and global support. Their cylinders undergo rigorous testing, reducing the risk of premature failure.

2. **Moderate Force and Stroke for General Use**

With a **1.0 MPa (10 bar) working pressure**, this cylinder provides sufficient force for many industrial applications, including packaging, material handling, and light assembly tasks. The **40 mm bore** and **100 mm stroke** make it suitable for tasks requiring moderate displacement.

3. **Standardized Design and Compatibility**

The cylinder follows industry-standard dimensions and mounting options, making it easy to integrate into existing pneumatic systems. It is compatible with SMC s valve manifolds, regulators, and other components, simplifying system design.

4. **Low Maintenance Requirements**

SMC cylinders are designed for long service life with minimal maintenance. Features like sealed rod guides and robust rod seals reduce wear, while the absence of complex internal mechanisms (e.g., no built-in cushions in this model) keeps maintenance straightforward.

5. **Cost-Effective for Basic Applications**

Compared to specialized or high-performance cylinders, this model offers a balanced price point for standard pneumatic tasks. It avoids the expense of over-engineered solutions while still delivering reliable performance.

6. **Quick Exhaust and Fast Response**

The double-acting design allows for rapid extension and retraction, which is beneficial for applications requiring cycle speed (e.g., automated feeding or clamping).

7. **Global Availability and Support**

SMC has a widespread distribution network, making parts and service readily accessible. This reduces downtime and ensures easier troubleshooting.

8. **Versatile Mounting Options**

The cylinder can be mounted in multiple orientations (e.g., side, end, or top mounting), providing flexibility in system design.

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### **Cons of the SMC CDQ2A40-100D-CZ**

1. **Limited Force for Heavy-Duty Applications**

At **1.0 MPa**, the maximum force (calculated as **F P A**, where **A (bore/2) **) is approximately **125.6 N (12.8 kgf)**. This is adequate for light to moderate tasks but insufficient for heavy lifting, high-impact applications, or high-speed collisions. For such cases, a higher-pressure cylinder (e.g., 2.5 MPa or 4.0 MPa) would be necessary.

2. **No Built-In Cushioning**

This model lacks internal cushioning (e.g., shock absorbers), which can lead to **noise, wear on seals, and potential damage to the system** if the cylinder stops abruptly. Additional external cushioning (e.g., SMC s **DQC series with cushions**) may be required for sensitive applications.

3. **Rod Wear Over Time**

While SMC cylinders are durable, the **40 mm rod diameter** is relatively small, which may lead to **greater wear over extended use** compared to larger-bore cylinders. Regular lubrication and inspection are recommended.

4. **Limited Stroke for Some Applications**

A **100 mm stroke** may be insufficient for applications requiring longer displacements (e.g., large part positioning or extended travel). In such cases, a longer-stroke cylinder (e.g., 200 mm or 300 mm) would be needed.

5. **No Integrated Position Feedback**

This cylinder does not include **built-in sensors or limit switches**, meaning external sensors (e.g., proximity switches) must be added for position monitoring. This adds complexity and cost to the system.

6. **Pressure Limitations**

The **1.0 MPa working pressure** is the standard for this model, but exceeding it (even slightly) can lead to **seal failure or rod bending**. Overpressure protection (e.g., a pressure regulator or safety valve) is essential in critical applications.

7. **No IP Rating for Harsh Environments**

The cylinder lacks an **Ingress Protection (IP) rating**, meaning it is not suitable for **dusty, wet, or corrosive environments** without additional protection (e.g., sealing covers or enclosures).

8. **Potential for Leaks Over Time**

Like all pneumatic cylinders, seals degrade with use, leading to **air leaks**. While SMC s seals are high-quality, this remains a long-term concern that requires periodic maintenance.

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### **Conclusion**

The **SMC CDQ2A40-100D-CZ** is a **well-suited, cost-effective solution for light to moderate pneumatic applications** where reliability, ease of integration, and standard performance are prioritized. It excels in **general-purpose tasks such as clamping, feeding, or light material handling** where force requirements are modest and cycle times are manageable.

However, it is **not ideal for heavy-duty, high-impact, or long-stroke applications** due to its limited force, lack of cushioning, and smaller rod size. For such use cases, a **higher-pressure cylinder (e.g., 2.5 MPa or 4.0 MPa), a longer stroke model, or a cylinder with integrated cushioning/sensors** would be more appropriate.

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### **Recommendation**

- Your application requires **moderate force ( 125 N) and stroke (100 mm)**.

- You need a **reliable, low-maintenance, and easy-to-integrate** cylinder for standard pneumatic tasks.

- Your environment is **clean and controlled** (no extreme dust, moisture, or corrosive agents).

- You are willing to **add external cushioning or sensors** if needed for your specific application.

- Your application demands **higher force, longer stroke, or faster cycles** (e.g., >150 N or >200 mm stroke).

- **Noise or impact damage** is a concern (opt for a cushioned model like the **DQC series**).

- The operating environment is **harsh** (consider an **IP-rated or sealed cylinder**).

- You require **position feedback** (integrated sensors or external limit switches will be necessary).

- For **higher force**, upgrade to a **2.5 MPa or 4.0 MPa model** (e.g., **CDQ2A40-250D-CZ**).

- For **longer stroke**, choose a **200 mm or 300 mm version** (e.g., **CDQ2A40-200D-CZ**).

- For **cushioned operation**, select the **DQC series** (e.g., **DQC2A40-100D-CZ**).

- For **harsh environments**, consider **sealed or IP-rated cylinders** from SMC or other brands.

In summary, this cylinder is a **solid choice for basic pneumatic needs** but may require supplementary components for more demanding applications. Always verify your specific force, speed, and environmental requirements before purchasing.

Details:

Sold as is Thread mount. SMC CDQ2A40-100DCZ Compact Cylinder, 1.0MPa, used, Used but in good condition Dusty and dirty from previous install storage brand model 100mm stroke 40mm bore diameter Made China Double acting Thread mount RC/M thread Pneumatic Removed working environment Will combine shipping if applicable.

part #: cdq2a40100dcz prices

• $49.99-$99.99

specifications hydraulicylind:

• brand: Smc
• mpn: Cdq2a40-100dcz
• part type: Cylinder
• materials sourced from: China
• suitable media: Compressed Air
• cylinder type: Compact Cylinder
• cylinder action: Double-acting
• stroke length: 100mm
• bore diameter: 40mm
• country of origin: Japan

seller hydraulicylind:

• city: Delta, Ohio
• # reviews: 941
• rating: 100.0%

offer hydraulicylind:

• started: April 15, 2026
• options: Ship-to-home
• best offers: True
• quantity: 2
• sold: 0
• availability: In Stock

payments hydraulicylind:

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

returns hydraulicylind:

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

shipping hydraulicylind:

• class: Standard
• service: USPS Ground Advantage
• type: Calculated
• transit: 3-8 Days
• carrier: USPS
• cost: $13.85

general hydraulicylind:

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

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