DP/DR Series Modular Gear Reducer – 1.25-400 Ratio

DP/DR Series Modular Gear Reducer – 1.25-400 Ratio

The DongQi DP/DR Series Modular Gear Reducer, comprising DP Series (Parallel Shaft) and DR Series (Right Angle), delivers high-load power transmission with ratios from 1.25:1 to 400:1. Featuring a robust cast iron housing and precision-engineered cylindrical or bevel gears, it ensures high efficiency, low noise, and durability. With modular designs and versatile configurations, DongQi’s DP/DR Series is ideal for heavy-duty industrial applications requiring reliable, customizable solutions.

Applications of DP/DR Series Modular Gear Reducer

The DP/DR Series excels in demanding industrial environments, including:

• Mining and Quarrying – Powers crushers, conveyors, and mills with high torque.
• Cement and Steel Industries – Reliable drive for kilns, rolling mills, and material handling.
• Chemical Processing – Consistent performance for mixers and agitators.
• Heavy Machinery – Supports robust operation in cranes and excavators.

This modular gear reducer is perfect for high-load, continuous-duty tasks across multiple industries.

Advantages of DP/DR Series Modular Gear Reducer

Key benefits include:

• Highly Modular Design – Interchangeable parts ensure high versatility and quick delivery.
• High Load Capacity – Supports heavy-duty tasks with up to 400:1 ratio.
• High Efficiency – Carburized, quenched, and ground gears optimize power transfer.
• Low Noise and Vibration – Precision gear profile modification ensures smooth operation.
• Robust Construction – Cast iron housing designed for effective heat dissipation.
• Versatile Configurations – Parallel or right-angle options for diverse setups.
• Durable Performance – Long service life with minimal maintenance.

Technical Parameters of DP/DR Series Modular Gear Reducer

Type	Ratio
DP1 (1 Stage)	1.25~5.6
DP2 (2 Stage)	6.3~20
DP3 (3 Stage)	22.4~90
DP4 (4 Stage)	100~400
DR2 (2 Stage)	5.6~16
DR3 (3 Stage)	18~71
DR4 (4 Stage)	80~315

Main Components

Gearbox Housing

• Material: Cast iron for superior strength and durability.
• Design: Optimally designed for effective heat dissipation and stability.

Gear Set

• DP Series: 1~4 stage modular cylindrical gears for parallel shaft efficiency.
• DR Series: 1 stage spiral bevel gear pair + 1~3 stage modular cylindrical gears for right-angle transmission.
• Feature: Carburized, quenched, ground, and profile-modified gears for high efficiency and low noise.

Input Configurations

• Keyed solid shaft input for secure motor integration.

Output Configurations

• Keyed solid shaft output for reliable power transmission.

Models and Variants

• DP Series: Parallel shaft, 1~4 stages (DP1~DP4), ratios 1.25~400.

• DR Series: Right angle, 2~4 stages (DR2~DR4), ratios 5.6~315.

Safety Features

The DP/DR Series modular gear reducer ensures safe operation through:

• Robust Housing: Cast iron withstands high stress and wear.
• Precision Gears: Cylindrical and bevel gears minimize vibration for stability.
• Secure Shafts: Keyed solid shafts ensure reliable input/output connections.
• Optimized Design: Heat-dissipating housing enhances operational safety.

Customization Options

• Ratio Range: 1.25:1 to 400:1 for precise torque control.
• Stage Options:1~4 stages (DP), 2~4 stages (DR) for diverse applications.
• Mounting Types: Horizontal or vertical mounting for flexibility.
• Gear Configurations: Parallel (DP) or right-angle (DR) setups.
• Cooling Options: Cooling fan or coils for tailored performance.

Installation and Lubrication

• Mounting Types: Horizontal or vertical mounting for versatility.
• Lubrication:
  • Oil dip and splash lubrication for standard operation.
  • Circulating oil lubrication for heavy-duty use.
• Cooling: Natural cooling or auxiliary cooling devices (fan, coils).

Maintenance Best Practices

• Lubrication Checks: Inspect oil levels every 6 months; use circulating lubrication for continuous duty.
• Gear Inspection: Annual checks for wear on cylindrical and bevel gears.
• Cooling Maintenance: Ensure cooling fans and coils are functional.
• Clean Environment: Prevent debris from affecting gears or shafts.

Economic Benefits

• Cost-Effective Design: Modular structure with interchangeable parts reduces costs.
• Energy Efficiency: High-efficiency gears lower power consumption.
• Long Service Life: Durable cast iron housing and gears minimize replacements.
• Low Maintenance: Advanced lubrication systems reduce upkeep expenses.

Why Choose the DP/DR Series Modular Gear Reducer?

The DP/DR Series modular gear reducer from DongQi delivers high-load, high-efficiency power transmission for heavy-duty applications. With a 1.25-400 ratio, robust cylindrical and bevel gears, and modular design, it’s ideal for mining, cement, and chemical industries. Its durable construction ensures reliable, cost-effective performance.

For more information, technical support, or a professional quote, contact us via WhatsApp/Skype: +8615993097180, email: [email protected], or consultation hotline: +8615993097180.