Product Overview

The SEW R47 Helical Gearbox with DRN90S4 IE3 Motor is a high-performance drive unit engineered for demanding industrial equipment. Combining precision-ground helical gears with a highly efficient IE3 motor, this assembly delivers reliable power, smooth torque output, low operating noise, and extended service life under continuous operational conditions.

Designed for maximum operational economy, the drive unit significantly cuts electricity consumption and operational expenses while adhering to international energy efficiency regulations.

Product Technical Specifications

Parameter	Specification Details
Product Type	Helical Gear Motor
Gearbox Model	R47
Motor Model	DRN90S4
Motor Power	1.1 kW / 1.5 HP
Energy Efficiency Class	IE3 Premium Efficiency (IEC 60034-30-1)
Input Speed	1400 RPM (50Hz) / 1750 RPM (60Hz)
Gear Ratios	3.83 - 177.21
Output Speed Range	8 - 370 RPM
Maximum Output Torque	300 Nm
Efficiency Rate	Up to 96% per gear stage
Voltage & Frequency	230/400V, 290/500V, 460V (50Hz / 60Hz)
Protection Class	IP55 Standard (IP65 optional)
Insulation Class	Class F (155°C)
Duty Type	Continuous Operation (S1)
Mounting Orientation	Foot-Mounted (R47) / Flange-Mounted (RF47) / Combined
Housing Material	High-Grade Rigid Cast Iron
Gear Material	Carburized and Precision-Ground 20CrMnTi Alloy Steel
Output Shaft	Solid Shaft
Operating Temperature	-20°C to +40°C

Engineered Features & Benefits

High-Efficiency Power System

Equipped with a 4-pole IE3 motor to maximize operational runtime while minimizing energy loss.

Minimal heat buildup during continuous S1 duty cycle

Compliance with international energy consumption standards

High thermal stability and reliable overload performance

Precision Helical Gearwork

Hardened, carburized, and ground helical gears deliver optimal power transfer.

High transmission efficiency with minimal friction losses

Low operational noise and reduced mechanical vibration

High radial load capacity built for tough applications

Compact & Modular Construction

Engineered to streamline equipment integration and maintenance.

Compact footprint ideal for space-constrained installations

Versatile mounting configurations for easy field replacement

Rigid cast iron enclosure protects internal components against mechanical stress

Dimensional & Selection Outline

Standard Shaft Diameters: Designed strictly to standard metric output shaft dimensions for seamless coupling.

Ratio Customization: Multiple standard gear stages available to precisely match target output torque and RPM requirements.

Modular Interface: Standardized mounting flanges allow fast retrofitting and installation onto existing production machinery.

Industrial Application Fields

Conveyor Systems: Belt conveyors, roller drives, chain conveyors, and parcel distribution networks.

Material Handling: Overhead hoists, automated guided vehicles (AGVs), sorting systems, and packaging machinery.

Industrial Automation: Automated assembly lines, turn-tables, robotic positioners, and feed systems.

General Manufacturing: Food processing machines, textile looms, printing presses, and chemical mixers.

Quality Standards & Testing

Standards Compliance: Built and assembled according to IEC, CE, and ISO 9001 quality management guidelines.

Rigorous Testing Protocol: Every gear motor undergoes complete running-in tests, oil leakage inspections, noise checks, and vibration tests prior to shipment.

Traceable Manufacturing: Clear technical nameplates ensure exact parameter verification and easy long-term maintenance tracking.

Customization Options

Tailored modifications are available to satisfy specialized application demands:

Extended gear ratio ranges for ultra-low output speeds
Dual-frequency and multi-voltage motor windings
Integrated electromagnetic safety brakes
Heavy-duty oil seals and extreme-temperature synthetic lubricants
Special surface anti-corrosion finishes for harsh environments

Protective Export Packaging & Logistics

Packaging: Encased in heavy-duty, moisture-sealed, fumigation-free wooden cases designed for overseas transport.

Corrosion Defense: Treated with rust-inhibiting coatings and sealed in protective vapor barrier wrapping.

Logistics Support: Standardized export documentation provided for efficient customs clearance via ocean, air, or express freight.

FAQ

Q: What is the operational efficiency of the R47 helical gearbox?

A: The mechanical transmission efficiency reaches up to 96% per gear stage due to precision-ground helical gear geometry and optimized oil bath lubrication.

Q: Is the DRN90S4 IE3 motor suitable for continuous daily operation?

A: Yes, the motor is rated for continuous S1 duty with Class F insulation and IP55 protection, allowing stable operation under continuous industrial workloads.

Q: Can this gear motor be installed in different mounting orientations?

A: Yes, foot-mounted, flange-mounted, and combined configurations are supported. The internal oil volume and breath plug positions are adapted based on the specified mounting orientation.

Q: What information is required to select the correct gear ratio?

A: Required output RPM, targeted output torque or motor power, voltage/frequency, and mounting position are necessary to determine the exact gear motor model.

Q: Are replacement parts standard and interchangeable?

A: Yes, external shaft dimensions, mounting bolt patterns, and flange specifications adhere strictly to standardized metric dimensions for direct field replacement.

Hot Tags: sew r47 helical gearbox with drn90s4 ie3 motor, China sew r47 helical gearbox with drn90s4 ie3 motor suppliers, factory, Stainless steel reducer, DRN132S4, SEW RZ57 parallel reducer, SEW R77 reducer, SEW RZ57 DRN90L4 Parallel Shaft Speed Reducer, SEW R77 DRN112M4 Industrial Gear Speed Reducer

SEW R47 Helical Gearbox With DRN90S4 IE3 Motor