Dynamic Slewing Reducer

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

4 year

Product details

Dynamic Slewing Reducer RE1022

High-Precision Rotary Drive System for Heavy-Duty Applications

1. Product Overview

TheRE1022is adynamic slewing reducer(回转减速机) designed for applications requiring precise rotational control, high torque output, and durability in harsh environments. It integrates aworm gear mechanismwith adual-bearing support system, ensuring stable operation under radial and axial loads.

Key Features:

• High Load Capacity: Rated for static loads up to1,200 kN·mand dynamic loads up to850 kN·m.

• Compact Design: Optimized gear ratio (e.g., 102:1) for space-saving installation.

• Low Backlash: <5 arcmin for high-precision positioning.

• Sealed Construction: IP65-rated housing for dust and water resistance.

• Lubrication System: Pre-filled with long-life synthetic grease (maintenance-free for 5,000+ hours).

2. Technical Specifications

【表格】

Parameter RE1022

Model RE1022

Gear Type Worm Gear (Single/Double Envelope)

Ratio Range 80:1 – 120:1 (Customizable)

Output Torque 850 kN·m (Dynamic) / 1,200 kN·m (Static)

Input Speed 0–1,500 RPM

Output Speed 0–18 RPM (at 100:1 ratio)

Backlash <5 arcmin (Standard) / <2 arcmin (Precision Option)

Mounting Type Flange/Foot Hybrid

Weight Approx. 320 kg

Operating Temp. -30°C to +60°C

Protection Class IP65 (Dust/Waterproof)

3. Core Components

1. Worm Gear Pair:

• Material: Case-hardened alloy steel (20CrMnTi).

• Surface Treatment: Nitriding for wear resistance.

2. Slewing Bearing:

• Four-point contact ball bearing design.

• Rated for combined radial/axial loads.

3. Housing:

• Cast iron (FC250) with ribbed reinforcement.

• Integrated oil reservoir for thermal stability.

4. Sealing System:

• Double-lip seals + labyrinth design to prevent contaminant ingress.

4. Applications

• Construction Machinery:

• Excavator turntables, crane slewing units, pile drivers.

• Wind Energy:

• Yaw/pitch drives for wind turbines (up to 3 MW).

• Marine & Port:

• Ship crane rotators, container handling systems.

• Industrial Automation:

• Robotic arm bases, CNC machine rotary tables.

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