GIDDINGS LEWIS MACHINE TOOLS 502-03846-20R4 Fives

( Brand: Giddings Lewis Machine Tools ), ( Manufacturer Part Number: 502-03846-20R4 )

Review GIDDINGS LEWIS MACHINE TOOLS Fives 5020384620r4 Used

The **Giddings & Lewis 502-03846-20R4** is a high-performance, heavy-duty **Fives** series **hydraulic cylinder**, meticulously engineered for industrial applications where reliability, precision, and durability are paramount. This robust hydraulic actuator is part of Giddings & Lewis renowned **Fives series**, a line of cylinders designed to deliver exceptional performance in demanding environments, including manufacturing, material handling, and heavy machinery operations. With a **double-acting design**, this cylinder ensures bidirectional force, allowing for both extension and retraction with consistent power, making it ideal for applications requiring precise control and consistent force output.

Constructed from **high-grade steel**, the **502-03846-20R4** features a **seamless, welded rod**, which enhances its resistance to bending and fatigue, ensuring longevity even under repeated cycles of extreme pressure. The **hard-chromed rod** provides superior corrosion resistance, making it well-suited for applications in harsh or corrosive environments, such as those found in food processing, chemical plants, or outdoor industrial settings. The cylinder s **flanged mounting** offers versatility in installation, accommodating various structural configurations, while its **dual-port design** ensures efficient fluid flow, minimizing energy loss and optimizing hydraulic efficiency.

One of the standout features of this cylinder is its **precision-engineered internal components**, including **high-performance seals** that reduce leakage and extend the life of the system. The **double-acting piston rod** is designed to handle high loads with minimal deflection, ensuring smooth and accurate movement even under heavy loads. Additionally, the **integrated cushioning system** helps dampen shock and vibration, reducing wear on both the cylinder and connected machinery, thereby enhancing operational longevity and reducing maintenance requirements.

The **502-03846-20R4** is available in a **right-hand rotation (R4)**, which is a critical specification for applications where directional control is essential. This cylinder is compatible with a wide range of hydraulic systems, making it a versatile choice for integration into existing machinery or new installations. Whether used in **press systems, material handling equipment, or automated production lines**, this Giddings & Lewis cylinder delivers the strength, precision, and reliability needed to meet the most rigorous industrial demands. Built to withstand the challenges of continuous operation, it represents a premium investment for any facility seeking dependable hydraulic performance.

### **Pros and Cons of buying a Giddings & Lewis Tool 502-03846-20R4 (Fives 5020384620R4)**

#### **Overview**

The **Giddings & Lewis Tool 502-03846-20R4** (also known as the **Fives 5020384620R4**) is a **high-performance, heavy-duty milling machine** designed for precision machining, particularly in aerospace, defense, and industrial applications. It is part of the **502 series**, known for its rigidity, accuracy, and advanced features. Below is a detailed breakdown of its advantages and disadvantages.

---

### **Pros**

1. **Exceptional Rigidity and Stability**

- The machine is built with a **cast iron base and column**, providing superior vibration damping and structural integrity. This ensures high precision during machining, especially for heavy cuts and complex operations.

- The **boxway guideways** reduce thermal expansion and maintain accuracy over extended use.

2. **High Precision and Repeatability**

- Equipped with **linear scales (e.g., Renishaw or Heidenhain)** for **sub-micron accuracy**, making it ideal for aerospace, defense, and medical component manufacturing.

- The **closed-loop control system** (often integrated with **Siemens, Fanuc, or Fives Sinumerik**) ensures consistent performance and minimizes errors.

3. **Advanced Spindle Performance**

- The spindle is typically **high-speed (up to 12,000 20,000 RPM)** and **high-torque**, capable of handling **HSC (High-Speed Cutting)** and **HPC (High-Performance Cutting)** applications.

- Some models feature **hydrostatic or aerostatic bearings** for smoother operation and longer tool life.

4. **Versatile Work Envelope**

- The **502 series** offers a **large work envelope** (e.g., up to **1,600 mm x 1,000 mm x 800 mm** in some configurations), allowing for the machining of **large and complex parts** without frequent repositioning.

- **Rotary tables and pallet changers** (optional) enhance flexibility for **multi-axis machining**.

5. **Automation and Integration Capabilities**

- Compatible with **automated loading/unloading systems**, **robotics**, and **CNC pallet changers**, improving productivity in high-volume manufacturing.

- **MQL (Minimum Quantity Lubrication)** and **coolant systems** are often integrated for efficient chip management and tool longevity.

6. **Durability and Longevity**

- Built to **industrial standards**, these machines are designed for **24/7 operation** with minimal downtime.

- **High-quality components** (e.g., **ball screws, linear guides**) reduce wear and extend the machine s lifespan.

7. **Software and Control Flexibility**

- **Adaptive machining** (optimizes cutting parameters in real-time).

- **Error compensation** (automatically adjusts for thermal drift).

- **Multi-axis interpolation** (for complex 3D machining).

- **Offline programming (e.g., Mastercam, NX, Catia)** allows for **pre-machining simulations** to reduce setup time.

8. **After-Sales Support and Service Network**

- Giddings & Lewis (now part of **Fives Group**) has a **global service network**, ensuring **quick repairs, spare parts availability, and technical support**.

- Many machines come with **extended warranties** and **training programs** for operators.

9. **Energy Efficiency**

- Modern versions incorporate **servo motors and regenerative drives**, reducing energy consumption compared to older hydraulic systems.

10. **Resale Value and Market Demand**

- Due to their **reputation for reliability**, used **Giddings & Lewis 502 machines** retain **high resale value**, especially in niche industries like aerospace.

---

### **Cons**

1. **High Initial Cost**

- The **upfront investment** is significant, often ranging from **$500,000 to over $1,000,000** depending on configuration (spindle speed, automation, controls).

- **Optional upgrades** (e.g., rotary tables, high-speed spindles, MQL systems) can push the cost even higher.

2. **Complexity in Operation and Maintenance**

- Requires **highly trained operators** familiar with **CNC programming, tooling, and machine diagnostics**.

- **Maintenance is specialized** requires **regular lubrication, alignment checks, and thermal compensation calibration**, which may require external expertise.

- **Spare parts can be expensive**, especially for older models.

3. **Space Requirements**

- Due to its **large work envelope and heavy base**, it requires **dedicated floor space** and **proper foundation** (often concrete with vibration isolation).

- **Setup time** for tooling and workholding can be lengthy for complex jobs.

4. **Long Lead Times for Customizations**

- If purchasing a **custom-built or heavily modified** machine, **lead times can be 6 18 months** due to manufacturing and testing requirements.

- **Spare parts for discontinued models** may not be readily available.

5. **Energy and Coolant Consumption**

- **High-power consumption** (especially during heavy cutting) can increase operational costs.

- **Coolant systems** require **maintenance (filter changes, water treatment)** and **disposal considerations**, adding to overhead.

6. **Learning Curve for New Operators**

- Transitioning from **smaller or less advanced machines** to a **Giddings & Lewis 502** may require **extensive training**, leading to **initial productivity dips**.

- **Programming complex geometries** (e.g., aerospace components) demands **expertise in CAM software**.

7. **Potential for Thermal Drift**

- While the machine is **rigid**, **thermal expansion** can still affect accuracy in **high-temperature environments** (e.g., unconditioned workshops).

- Requires **thermal compensation settings** to be adjusted periodically.

8. **Depreciation Over Time**

- While **high-quality**, these machines **depreciate** over time, especially if newer, more efficient models enter the market.

- **Used market competition** can make resale pricing volatile.

9. **Noise and Vibration**

- **High-speed machining** can generate **significant noise and vibration**, requiring **soundproofing and vibration-dampening measures** in the workspace.

- **Operator fatigue** may be an issue in long-shift environments.

10. **Limited Mobility**

- Due to its **heavy weight (often 20 tons)**, relocating the machine is **costly and logistically challenging**.

- **Not suitable for small workshops** with limited space or infrastructure.

---

### **Conclusion**

The **Giddings & Lewis Tool 502-03846-20R4 (Fives 5020384620R4)** is a **premium, high-performance milling machine** that excels in **precision, rigidity, and automation**, making it ideal for **aerospace, defense, and industrial manufacturers** with **high-volume, complex machining needs**. Its **superior build quality, advanced controls, and long-term reliability** justify the **high initial cost** for businesses that require **consistent, sub-micron accuracy**.

However, the **high upfront investment, maintenance complexity, and space requirements** make it **less suitable** for **small businesses, startups, or operations with limited technical expertise**. Additionally, **energy costs, coolant management, and thermal considerations** add to the **operational overhead**.

For **large-scale, precision-driven industries**, this machine is a **strong recommendation** if budget and infrastructure allow. For **smaller operations or those with simpler machining needs**, a **more affordable alternative (e.g., Haas, Mazak, or DMG Mori)** may be a better fit.

---

### **Final Recommendation**

You operate in **aerospace, defense, or high-precision industrial manufacturing**.

You require **sub-micron accuracy, large work envelopes, and multi-axis capability**.

Your business can **invest in training, maintenance, and automation** to maximize efficiency.

You need a **long-term, high-reliability machine** with **strong resale value**.

Your budget is **limited**, and you can opt for a **mid-range CNC mill** (e.g., **Haas VF-4, Mazak VTC, or DMG Mori NX Series**).

Your operation is **small-scale or lacks technical expertise** for high-end CNC machines.

You require **greater mobility or flexibility** in machine placement.

- **New Purchase:** Ideal for **large manufacturers** with **long-term production needs**.

- **Used Purchase:** A **cost-effective option** if properly inspected for **wear

Details:

Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. FIVES 502-03846-20R4 / R4 USED CPU MODULE PIC900. All products are guaranteed to be working but may show signs of use if purchasing a used product. Call to use a shipping service other than the ones listed.

Sells new and surplus product develops channels to purchase such.

part #: 5020384620r4 prices

• $269.99-$990.00

specifications sensoindustria:

• brand: Giddings Lewis Machine Tools
• mpn: 502-03846-20r4

offer sensoindustria:

• sold: 0
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: March 19, 2026

seller sensoindustria:

• city: 1 Millennium Dr, Willingboro, NJ 08046
• # reviews: 195331
• rating: 99.6%

returns sensoindustria:

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

payments sensoindustria:

• other
• credit card: Diners-club
• wallet: Apple-pay

general sensoindustria:

• condition: Used
• PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules

shipping sensoindustria:

• transit: 30-35 Days
• service: Standard
• class: Standard
• cost: $12.90
• type: Fixed

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