EED's Four Series of Gear Reducers Offer Customized Professional Solutions for Construction Machinery

In the harsh environments of mining operations with heavy-duty impacts and construction sites plagued by dust and mud, gear reducers, as the power hub, directly determine the operational efficiency and lifespan of equipment. Leveraging decades of technological accumulation, EED precisely matches the needs of various construction machinery with its four series of general-purpose gear reducers, making stable transmission under severe conditions the norm.

Excavators: Dual Mechanism Adaptation, with Impact Resistance as the Core

Travel Mechanism

It needs to bear the weight of the machine body and withstand ground bumps. Planetary gear reducers are the preferred choice. Key considerations include instantaneous impact torque (recommended to be selected at 1.8 times the maximum operating condition), an IP68 protection rating (no leakage after 30 minutes at a water depth of 1 meter), and thermal balance capability (oil pool temperature ≤ 85°C).

Swing Mechanism

Relying on right-angle steering and high rigidity, EED's K-series helical gears are the optimal solution. Their torque output is 40% higher than that of single-stage worm gears. The 90° output saves layout space. Carburized and quenched gears (HRC60+) can withstand impacts of over 8,000 N·m, meeting the high-frequency start-stop requirements of 20-ton excavators.

Cranes: Precise Positioning, with Low Backlash as the Key

Luffing/Swing Mechanism

Zero-backlash control and anti-overturning capabilities are essential, with right-angle shaft gear reducers being the core choice. Key parameters include repeat positioning accuracy (≤ ±0.005°), axial load-bearing strength (conical roller bearing structures are preferred), and self-locking performance.

EED's Solution

The K-series reducers, combined with integral cast housings, increase bearing life by 50%. In port crane applications, they achieve 10,000 hours of continuous trouble-free operation, reducing operation and maintenance costs by 20%.

Loaders: Heavy-Duty Transmission, with High Power Density as the Priority

Bucket Lifting/Travel System

Parallel shaft gear reducers are suitable due to their simple and reliable structure and outstanding ability to withstand impact loads with herringbone gear designs. Verification of rated torque (a 30% margin is recommended) and low-temperature adaptability (-25°C normal startup) is necessary.

Advantages of EED's F-Series Reducers

Modular design supports multi-condition combinations. Optimized helical gears reduce noise to ≤ 65 dB. In harsh environments such as sand and gravel yards, IP65 protection and concave-convex heat dissipation structures effectively resist dust intrusion.

Concrete Mixing Equipment: Corrosion and Heat Resistance, with Strong Load-Bearing as the Foundation

Mixing Drum Drive

Cycloidal pinwheel reducers offer advantages in multi-tooth engagement (half of the pin teeth are in contact simultaneously), increasing load-bearing capacity by 35% and being suitable for mixing high-viscosity materials. Key indicators include transmission ratio (single-stage 11-87), temperature resistance (-40°C to 80°C), and axial force resistance.

EED's R-Series Reducers

Specifically optimized for mixing scenarios, they can withstand large radial and axial forces. In cement rotary kiln applications, integral cast housings and forced lubrication systems increase the thermal power load limit by 40%.

EED: The Trusted Choice for Construction Machinery Transmission

All four series have passed CE certification and have been verified for reliability by over 1,000 enterprises in 120 countries worldwide: The K-series is suitable for excavators/cranes, the R-series specializes in heavy-duty mixing, the F-series serves conveying drives, and the S-series ensures lifting safety with its self-locking function.

From mines to infrastructure projects, EED's gear reducers, with precise parameter matching and adaptability to extreme environments, serve as the core power for efficient operation of construction machinery. Contact us immediately for a customized transmission solution!