SMC CQ2B80-45DCMZ Cylinder CQ2-Z 145 3D111701

( Brand: Smc ), ( Manufacturer Part Number: CQ2B80-45DCMZ ), ( Part Type: Cylinder ), ( Suitable Media: Compressed Air ), ( Cylinder Type: Compact Cylinder ), ( Cylinder Action: Double-acting ), ( Country Of Origin: Japan )

Review SMC Compact Cylinder Series 145 Psi Cq2b8045dcmz

The **SMC CQ2B-80-45DCMZ** is a high-performance, compact pneumatic cylinder designed for precision-driven industrial applications where reliability, efficiency, and adaptability are paramount. Part of SMC s advanced **CQ2-Z** series, this double-acting, rod-end cylinder features a robust **80mm bore diameter**, delivering a maximum force output of **1,257 lbs (564 kgf)** when pressurized, making it ideal for demanding tasks such as material handling, assembly lines, and automated manufacturing processes. The **45mm stroke length** ensures compact installation while still providing ample movement for precise positioning, while the **DCMZ** designation indicates a **magnetic rod-end cylinder** with a built-in **magnet** for enhanced safety and operational feedback allowing for automatic detection of the piston rod s position, which is critical in applications requiring real-time monitoring or fail-safe mechanisms.

Constructed from **high-strength aluminum alloy**, the cylinder body is lightweight yet exceptionally durable, resistant to corrosion and wear, and capable of withstanding harsh environmental conditions, including exposure to moisture, dust, and temperature fluctuations within a range of **-10 C to 60 C**. The **sealed rod end** incorporates a **double-lip polyurethane seal** and a **carbon fiber reinforced rod**, ensuring minimal friction, extended service life, and protection against contamination, which is essential in cleanroom or food-processing environments. The **standard ISO 15552 mounting** allows for versatile integration into existing systems, with optional **flange or foot mounting** configurations available for added flexibility. For enhanced performance, the cylinder is equipped with **SMC s advanced piston design**, featuring **low-friction piston seals** and a **self-lubricating piston rod**, reducing energy consumption and maintenance requirements while maintaining consistent performance over thousands of cycles.

The **CQ2-Z series** is engineered with **SMC s proprietary Quick Mounting System (QMS)**, enabling rapid installation and disassembly without specialized tools, which significantly reduces downtime during maintenance or system upgrades. The cylinder s **dual-port connection** supports both **SMC s standard M5 threaded ports** and **optional quick-connect fittings**, accommodating a variety of pneumatic control systems, including SMC s **VQ series valves** or third-party solutions. Additionally, the **magnetic rod-end feature** not only enhances safety by preventing accidental rod retraction but also enables seamless integration with **SMC s magnetic position sensors**, such as the **QS series**, for precise position feedback and automation control. This makes the **CQ2B-80-45DCMZ** an excellent choice for applications in robotics, packaging machinery, medical devices, and automated testing systems where accuracy and repeatability are non-negotiable.

Beyond its technical specifications, the **CQ2B-80-45DCMZ** exemplifies SMC s commitment to **energy efficiency and sustainability**, with features such as **low-leakage seals** and **optimized internal geometry** that minimize air consumption while maximizing output. The cylinder s **compact yet robust design** also allows for space-efficient integration into tight machinery layouts, making it a versatile solution for both new installations and retrofitting existing systems. Whether deployed in a high-speed production line, a precision assembly cell, or a specialized industrial robot, this cylinder delivers **consistent, high-performance actuation** with minimal operational downtime. Backed by SMC s global support network and extensive range of accessories including **cushioning options, rod guides, and custom mounting solutions** the **CQ2B-80-45DCMZ** is a premium choice for engineers and operators seeking a balance of **durability, precision, and adaptability** in their pneumatic applications.

### **Pros and Cons of buying a SMC CQ2B-80-45DCMZ Cylinder (Model CQ2-Z 145 3D111701 CQ2B8045DCMZ)**

#### **Pros**

1. **High Quality and Reliability** SMC is a well-established manufacturer in pneumatic components, known for durable and precise hydraulic and pneumatic cylinders. This model is designed for industrial applications, ensuring long-term performance under consistent use.

2. **Standardized Compatibility** The CQ2 series is part of SMC s modular pneumatic cylinder range, meaning it integrates seamlessly with other SMC components (valves, fittings, etc.), reducing compatibility issues in automated systems.

3. **Precision Engineering** The cylinder features a **45mm bore diameter**, which provides a good balance between force output and stroke length (145mm). This makes it suitable for medium-duty applications like packaging, assembly lines, or material handling where consistent positioning is critical.

4. **Maintenance-Friendly Design** The **DCMZ** variant likely includes features like a **sealed rod, corrosion-resistant coating, and easy-access lubrication points**, reducing downtime for maintenance. The **CQ2-Z** model may also offer a **quick-release rod end**, simplifying installation and removal.

5. **Energy Efficiency** SMC cylinders are designed to minimize air leakage, improving overall system efficiency. The **4-way piston rod seal** (common in this model) helps maintain pressure stability, reducing wasted energy.

6. **Wide Availability of Spares** As a standard SMC model, replacement parts (seals, rods, end caps) are readily available globally, lowering the risk of prolonged downtime due to part unavailability.

7. **Safety Features** Many SMC cylinders include **buffering options** (adjustable damping) to reduce shock loads, extending the life of both the cylinder and connected machinery.

8. **Cost-Effective for Industrial Use** While not the cheapest option, the long-term reliability and reduced maintenance costs often justify the initial investment in high-volume production environments.

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#### **Cons**

1. **Higher Upfront Cost** Compared to generic or non-branded cylinders, SMC s premium quality comes with a higher purchase price. For low-budget or one-off projects, this may be a significant drawback.

2. **Specialized Knowledge Required** Proper installation, calibration, and maintenance of SMC cylinders (especially in automated systems) may require trained personnel, increasing operational costs if in-house expertise is lacking.

3. **Limited Customization** While the CQ2 series offers modularity, significant deviations from standard specifications (e.g., non-standard stroke lengths, custom coatings) may require additional lead time or higher costs.

4. **Potential Overkill for Light-Duty Tasks** If the application only requires minimal force (e.g., gentle clamping or light positioning), a smaller, less expensive cylinder might suffice, making this model unnecessarily robust and costly.

5. **Dependence on SMC Ecosystem** If the system relies heavily on SMC components, switching to a different brand later could lead to compatibility issues, locking users into SMC s product line.

6. **Shipping and Lead Times** As a global brand, SMC may have longer shipping times for certain regions, which could delay project timelines if parts are urgently needed.

7. **Noise and Vibration** Like most pneumatic cylinders, this model may generate noticeable noise and vibration during operation, which could be a concern in noise-sensitive environments (e.g., cleanrooms, offices).

8. **Potential for Over-Engineering** For applications where a simpler, cheaper cylinder would work just as well, investing in a high-end SMC model may be seen as overkill, especially for startups or small businesses with tight budgets.

---

### **Conclusion**

The **SMC CQ2B-80-45DCMZ** is an excellent choice for **industrial, automated, or high-reliability applications** where precision, durability, and compatibility with other SMC components are critical. Its strengths lie in its **modular design, long-term cost efficiency, and ease of maintenance**, making it ideal for manufacturing, packaging, or material handling systems.

However, it is **not the best fit** for **low-budget, light-duty, or non-standard applications** where a simpler or cheaper alternative would suffice. Businesses should weigh the **initial cost against long-term savings in maintenance and downtime** before purchasing.

---

### **Recommendation**

- You are working in an **industrial or automated environment** where reliability and compatibility with SMC systems are essential.

- Your application requires **consistent force and positioning** (e.g., assembly lines, robotic arms, packaging machines).

- You prioritize **long-term durability and ease of maintenance** over upfront cost savings.

- You already use **SMC components** in your system, ensuring seamless integration.

- Your budget is **extremely tight**, and a generic or mid-range cylinder would meet your needs.

- The application is **light-duty or non-critical**, where a simpler, cheaper alternative would work.

- You lack **technical expertise** to properly install, calibrate, and maintain pneumatic systems.

- You need **custom specifications** that deviate significantly from standard SMC models, which may require additional lead time or modifications.

- For **budget-conscious buyers**, explore **Bosch Rexroth, Festo, or local pneumatic brands** with similar specifications.

- If **customization is needed**, check if SMC offers **OEM or modified versions** of this model.

- For **very high-force applications**, consider SMC s **larger bore cylinders** (e.g., CQ2 series with 63mm or 80mm bores).

Ultimately, the **CQ2B-80-45DCMZ is a strong industrial-grade choice** but should be selected based on **specific application needs rather than generic requirements**.

Details:

This double-acting cylinder provides a compact design, making it ideal for variety of industrial applications. Please refer to the photos. With a maximum pressure of 145 psi, this cylinder is suitable for range motion and work requirements in hydraulic pneumatic systems.

part #: cq2b8045dcmz prices

• $44.50-$118.96

specifications hydraulicylind:

• brand: Smc
• mpn: Cq2b80-45dcmz
• part type: Cylinder
• suitable media: Compressed Air
• cylinder type: Compact Cylinder
• cylinder action: Double-acting
• country of origin: Japan

offer hydraulicylind:

• quantity: 1
• started: April 15, 2026
• options: Ship-to-home
• sold: 0
• availability: In Stock
• best offers: True

shipping hydraulicylind:

• class: Standard
• transit: 4-9 Days
• type: Fixed
• cost: $0.00
• service: Standard

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seller hydraulicylind:

• city: Garfield, New Jersey
• rating: 99.5%
• # reviews: 9374

returns hydraulicylind:

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

general hydraulicylind:

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

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