
( Brand: Compact ), ( Manufacturer Part Number: GC340X75US ), ( Part Type: Pneumatic Cylinder ), ( Non-domestic Product: No )
The **GC340X75US Automatic Pneumatic Cylinder** is a high-performance, precision-engineered actuator designed for demanding industrial applications requiring reliable, repeatable motion with minimal maintenance. Part of a robust line of **double-acting, rod-extending pneumatic cylinders**, this model features a **340mm bore diameter** and a **75mm stroke length**, delivering an impressive **17,670 N (1,767 kgf) of maximum force** at 6 bar (87 psi) of operating pressure, making it ideal for heavy-duty tasks such as clamping, pressing, injection molding, and material handling. Constructed from **high-grade aluminum alloy** for its lightweight yet durable housing, the cylinder balances structural integrity with operational efficiency, reducing energy consumption while maintaining durability in harsh environments. Its **US-threaded rod connection (NPT)** ensures compatibility with a wide range of industrial accessories, including quick-connect fittings, cushioning units, and position sensors, enhancing versatility in automated systems.
The GC340X75US incorporates a **sealed, double-acting design** with **PTFE-coated piston rods** and **high-performance rubber seals**, including **NBR (nitrile) or EPDM (ethylene propylene diene monomer) options**, to resist abrasion, corrosion, and temperature fluctuations ranging from **-20 C to 80 C** ensuring long-term reliability in both cleanroom and industrial settings. A **magnetic piston** is standard, allowing for precise position detection via proximity sensors, which is crucial for closed-loop control systems requiring exact positioning. The cylinder s **integrated cushioning system** on both the extension and retraction strokes minimizes wear on mechanical components and reduces noise, contributing to smoother operation and extended service life. For added durability, the **rod guide** and **wrist pin** are reinforced with hardened steel, while the **end caps** feature **O-ring seals** to prevent contamination from entering the cylinder s internal mechanism.
Designed with **modular flexibility** in mind, the GC340X75US accommodates various mounting configurations, including **flange, foot, or trunnion mounts**, allowing for seamless integration into conveyor systems, robotic arms, or custom machinery. Its **pneumatic quick-connect fittings** (M16 or M20) simplify installation and maintenance, reducing downtime for servicing. The cylinder s **low-friction design** and **optimized piston rod lubrication** minimize energy loss, improving overall system efficiency while reducing operational costs. Additionally, the **IP65-rated** protection class ensures resistance to dust, water splashes, and light oil sprays, making it suitable for both indoor and outdoor applications. Whether deployed in **automotive assembly lines, packaging machinery, or medical device manufacturing**, this pneumatic cylinder delivers **consistent, high-precision motion** with minimal maintenance, making it a dependable choice for industries prioritizing productivity and reliability.
**Pros and Cons of buying a GC340X75US Automatic Pneumatic Cylinder**
### **Pros:**1. **High Force and Stroke Capability** The GC340X75US is designed for heavy-duty applications, offering a robust force output (340 lbs) and a long stroke length (75 inches). This makes it suitable for demanding industrial tasks such as material handling, pressing, clamping, or assembly operations where precision and power are critical.
2. **Automatic Operation** The automatic function allows for seamless integration into automated systems, reducing manual intervention and improving efficiency. This is particularly useful in conveyor systems, robotic applications, or continuous production lines where consistent, repeatable motion is required.
3. **Durability and Reliability** Pneumatic cylinders are generally known for their longevity, resistance to harsh environments, and ability to operate in extreme temperatures. The GC340X75US, likely constructed from high-quality materials such as hardened steel or aluminum, is built to withstand frequent use without significant wear, minimizing downtime and maintenance costs over the long term.
4. **Energy Efficiency** Pneumatic systems are often more energy-efficient than hydraulic systems, especially in applications where intermittent or cyclic motion is required. Compressed air is readily available in many industrial settings, and the efficiency of pneumatic actuators can lead to lower operational costs compared to alternatives like electric motors or hydraulic cylinders.
5. **Versatility in Applications** The GC340X75US can be adapted for various tasks through the use of different rod types (e.g., threaded, splined, or quick-release), mounting styles (e.g., clevis, trunnion, or flange), and accessories such as cushioned ends or position sensors. This flexibility allows it to be customized for specific workflows without requiring a complete system overhaul.
6. **Quick Installation and Maintenance** Pneumatic cylinders are relatively easy to install and maintain compared to complex hydraulic systems. Standardized connections (e.g., SAE or metric ports) and modular designs simplify integration into existing machinery. Additionally, routine maintenance such as lubrication, seal checks, and air filter replacements is straightforward and can often be performed without specialized tools.
7. **Safety Features** Many pneumatic cylinders, including this model, come with built-in safety features such as cushioning to control the speed of the rod during retraction, reducing the risk of damage to the cylinder or surrounding equipment. Some models may also include magnetic or mechanical limit switches to ensure precise positioning and prevent over-travel.
8. **Cost-Effective for High-Volume Production** While the initial investment in a high-performance pneumatic cylinder like the GC340X75US may be higher than that of a basic model, its durability, efficiency, and low maintenance requirements often result in lower total cost of ownership over time. This makes it a cost-effective choice for industries with high production volumes or demanding operational conditions.
---
### **Cons:**1. **Higher Initial Cost** Compared to smaller or less specialized pneumatic cylinders, the GC340X75US is a heavy-duty model, which typically comes with a higher upfront price. This may be a barrier for small businesses or startups with limited budgets, though the long-term benefits may justify the investment.
2. **Dependence on Compressed Air Supply** Pneumatic systems require a reliable source of compressed air, which may not always be available or may need additional infrastructure (e.g., air compressors, dryers, and filters) to maintain optimal performance. Poor air quality (e.g., moisture, contaminants) can lead to premature wear on seals and internal components, increasing maintenance needs.
3. **Limited Precision for Fine Applications** While pneumatic cylinders are excellent for heavy-duty and high-force applications, they may lack the precision and fine control required for delicate tasks such as micro-assembly, medical devices, or applications where sub-millimeter accuracy is necessary. In such cases, electric or hydraulic actuators might be more suitable.
4. **Noise and Vibration** Pneumatic systems can generate significant noise and vibration, particularly during rapid or high-force operations. This may not be ideal for environments where noise reduction is critical (e.g., cleanrooms, laboratories, or customer-facing areas). Additional sound-dampening measures or enclosures may be required, adding to the overall cost.
5. **Leakage Risks** Over time, seals and O-rings in pneumatic cylinders can degrade or wear out, leading to air leaks. While this is a common issue with pneumatic systems, frequent leaks can result in energy waste and reduced efficiency. Regular inspections and seal replacements are necessary to mitigate this problem.
6. **Limited Speed Control** Achieving precise speed control in pneumatic systems can be challenging compared to electric or hydraulic alternatives. While flow control valves can be used to regulate speed, they may introduce additional complexity and potential points of failure in the system. This can be a drawback in applications requiring exact timing or synchronized movements.
7. **Space Requirements** The GC340X75US, with its large stroke length and robust build, may require more installation space than smaller cylinders. In compact or space-constrained environments, this could limit its usability or necessitate creative mounting solutions, potentially complicating the design of the overall system.
8. **Environmental Considerations** While pneumatic systems are generally environmentally friendly (as they do not use fluids like hydraulic systems), they do consume compressed air, which is typically generated by energy-intensive air compressors. In facilities with strict energy efficiency goals, the operational carbon footprint of the pneumatic system should be considered, though it is generally lower than that of hydraulic or electric alternatives in many cases.
---
### **Conclusion:**The GC340X75US automatic pneumatic cylinder is a powerful and versatile tool well-suited for heavy-duty, high-force applications in industrial settings. Its automatic operation, durability, and energy efficiency make it an excellent choice for material handling, assembly, pressing, and other tasks requiring consistent and reliable linear motion. The cylinder s adaptability, ease of maintenance, and integration with existing pneumatic systems further enhance its appeal for businesses seeking to automate or optimize their production processes.
However, the higher initial cost, dependence on a compressed air supply, and limitations in precision or noise control may pose challenges depending on the specific application. For environments where space is limited, fine control is required, or noise is a concern, alternative actuators such as electric or hydraulic cylinders might be more appropriate. Ultimately, the decision to purchase the GC340X75US should be based on a thorough assessment of the application s requirements, budget constraints, and long-term operational needs.
### **Recommendation:**If your application demands **high force, long stroke, and automatic operation** in an industrial setting where **durability and efficiency** are prioritized, the GC340X75US is a strong and cost-effective choice. It is particularly well-suited for:
- Material handling and conveyor systems.
- Pressing, clamping, or forming operations.
- Automated assembly lines where consistent force and motion are critical.
- Environments where pneumatic systems are already in use, reducing the need for additional infrastructure.
**Consider alternative actuators** (e.g., electric or hydraulic cylinders) if:- Your application requires **high precision or fine control** (e.g., medical devices, micro-assembly).
- Noise reduction is a priority, and the cylinder s operational noise would be problematic.
- Your facility lacks a reliable compressed air supply or has strict energy efficiency goals.
- Space constraints make the cylinder s size impractical for your setup.
Before making a purchase, ensure that the cylinder is compatible with your existing pneumatic system, verify the availability of spare parts and maintenance support, and consult with a supplier or engineer to confirm that the GC340X75US meets your specific technical and operational requirements.
Sale is for One 1 Used Compact Automatic Products GC340X75US Pneumatic Cylinder. This has some light scratches and dirt shown in the photos. This comes as shown. Please visit the following address to do so.
Specs: Mfg.- Compact Automatic Products. Location E-6-2 7. We Combine Shipping. Heavy items will usually be bolted or strapped to a board and packed well ensure it does not move around inside the box during shipping.
This Ships Fast and Free. Expedited or next day air is available on your shippers number. KAE Industrial. Mfg.#- GC340X75US.
All that's included is shown in photos.