SEW EURODRIVE R87 DRN112M4 Gearmotor: Technical Excellence for Industrial Applications

Introduction

SEW EURODRIVE is a globally recognized leader in drive technology, offering innovative solutions for a wide range of industrial applications. The R87 DRN112M4 gearmotor exemplifies the company's commitment to precision, durability, and efficiency. Designed for demanding environments, this gearmotor combines robust construction with advanced engineering to deliver reliable performance in various industrial settings.

This article provides a comprehensive overview of the R87 DRN112M4, covering its technical specifications, key features, applications, and advantages. A detailed table is included for quick reference, ensuring clarity and ease of understanding.

Technical Features

1. Motor Specifications

• Model: DRN112M4

• Power Rating: 4 kW

• Efficiency: High-efficiency design compliant with international standards (e.g., IE3).

• Voltage: Available in multiple voltage configurations to suit regional requirements.

• Speed: Optimized for applications requiring precise speed control.

2. Gear Unit Specifications

• Gear Unit Type: R87 (Axially Parallel Gear Unit)

• Maximum Continuous Torque: Up to 20000 Nm (depending on configuration).

• Gear Ratio Range: 3.21 – 289.74, providing flexibility for diverse speed and torque requirements.

• Backlash Option: Available with reduced backlash (/R option) for applications requiring high positional accuracy.

3. Mechanical Design

• Mounting Options: Supports foot mounting (B3) and flange mounting (B5, B14).

• Hollow Shaft: Optional hollow shaft design for direct coupling with machinery.

• Robust Construction: Cast iron housing ensures durability and resistance to harsh industrial environments.

4. Explosion-Proof Capabilities

• ATEX Compliance: Suitable for use in hazardous areas (Zone 2, 22) with II3G or II3GD motor designs.

• Safety: Meets stringent safety standards for explosive atmospheres.

5. Hydraulic Start-Up Coupling (Optional)

• Adapter Compatibility: Can be paired with hydraulic start-up couplings (e.g., AT.. series) for smooth, controlled startups.

• Applications: Ideal for heavy-duty machinery requiring gradual torque transmission.

Applications

The R87 DRN112M4 is versatile and widely used in industries where reliability and precision are paramount. Key application areas include:

1. Material Handling

   • Conveyor systems, cranes, and hoists.

   • High torque output ensures efficient movement of heavy loads.

2. Food and Beverage

   • Hygienic design options available for washdown environments.

   • Used in mixers, packaging machines, and bottling lines.

3. Mining and Cement

   • Robust construction withstands abrasive and dusty conditions.

   • Powers crushers, mills, and rotary kilns.

4. Chemical and Pharmaceutical

   • Explosion-proof variants ensure safety in volatile environments.

   • Suitable for agitators and pumps.

5. Renewable Energy

   • Integrated into wind turbine pitch systems and solar tracking mechanisms.

Advantages

The R87 DRN112M4 stands out due to the following advantages:

1. High Efficiency

   • Minimizes energy consumption, reducing operational costs.

2. Durability

   • Engineered for long service life, even in extreme conditions.

3. Flexibility

   • Modular design allows customization for specific applications.

4. Precision

   • Low backlash options enhance accuracy in positioning tasks.

5. Global Support

   • Backed by SEW EURODRIVE’s extensive service network for maintenance and troubleshooting.

Key Specifications at a Glance

Below is a summary table highlighting the critical features of the R87 DRN112M4:

Conclusion

The SEW EURODRIVE R87 DRN112M4 gearmotor is a testament to the company’s engineering prowess, offering unmatched reliability, efficiency, and adaptability. Its robust design, coupled with advanced features like ATEX compliance and optional hydraulic couplings, makes it a preferred choice for industries worldwide. Whether in harsh environments or precision-driven applications, this gearmotor delivers consistent performance, ensuring operational excellence.