NGW Series Planetary Gearbox – 2.8-2000 Ratio, High Load

NGW Series Planetary Gearbox – 2.8-2000 Ratio, High Load

The NGW Series Planetary Gearbox offers robust power transmission with ratios from 2.8:1 to 2000:1, designed for high-load applications. Featuring a cast iron housing and precision planetary gearsets, it ensures high efficiency, compact design, and reliability. With multiple configurations, including coaxial, parallel shaft, and right-angle options, DONGQI’s NGW Series is ideal for heavy-duty industrial tasks.

Applications of NGW Series Planetary Gearbox

The NGW Series excels in high-load industrial applications, including:

• Ball Grinding Mills – Reliable torque for cement, silicate, and metal ore processing.
• Building Materials – Powers equipment for refractory materials and ceramics.
• Fertilizer Production – Consistent performance for mixing and granulation.
• Glass and Metal Industries – Durable drive for heavy-duty conveyors and mills.

This planetary gearbox is perfect for demanding, continuous-duty environments.

Advantages of NGW Series Planetary Gearbox

Key benefits include:

• High Load Capacity – Supports heavy-duty tasks with up to 2000:1 ratio.
• Wide Ratio Range – 2.8:1 to 2000:1 for precise torque control.
• High Efficiency – Precision planetary gearsets optimize power transmission.
• Compact Design – Small size and light weight for space-constrained setups.
• Low Noise – Smooth operation with minimal vibration.
• Versatile Configurations – Multiple shaft positions and mounting options.
• Bidirectional Rotation – Supports clockwise and counterclockwise operation.

Technical Parameters of NGW Series Planetary Gearbox

Type	Sizes	Nominal Ratio	Input Shaft Dia. (m6)	Output Shaft Dia. (n6)
NAD	200, 224, … 1800, 2000	45.6, 6.39	50400mm, 40360mm	60~630mm
NAF	200, 224, … 500, 560	45.6, 6.39	50130mm, 40100mm	60~220mm
NAZD	200, 224, … 1400, 1600	10~18	30~240mm	60~560mm
NAZF	200, 224, … 500, 560	10~18	30~85mm	60~220mm
NBD	250, 280, … 1800, 2000	2025, 2850	30~280mm	80~630mm
NBF	250, 280, … 500, 560	2025, 2850	30~80mm	80~220mm
NBZD	250, 280, … 1400, 1600	56~125	28~170mm	80~560mm
NBZF	250, 280, … 500, 560	56~125	28~55mm	80~220mm
NCD	315, 355, … 1800, 2000	112~400	25~150mm	120~630mm
NCF	315, 355, … 500, 560	112~400	25~50mm	120~220mm
NCZD	315, 355, … 1800, 2000	450~1250	20~170mm	120~630mm
NCZF	315, 355, … 500, 560	450~1250	20~45mm	120~220mm
NGW	11~121 (1 Stage)	2.8~12.5	Varies by model	Varies by model
NGW	42~122 (2 Stage)	14~160	Varies by model	Varies by model
NGW	73~123 (3 Stage)	180~2000	Varies by model	Varies by model
NGW-L	11~71 (1 Stage)	4~10	Varies by model	Varies by model
NGW-L	42~122 (2 Stage)	25~100	Varies by model	Varies by model
NGW-S	42~122 (2 Stage)	11.2~80	Varies by model	Varies by model
NGW-S	73~123 (3 Stage)	56~500	Varies by model	Varies by model
NGW-QJ	42~92	25	Varies by model	Varies by model

Main Components

Housing

• Material: Cast iron for robust durability and vibration resistance.
• Design: Compact and lightweight for heavy-duty applications.

Gearset

• Type: Planetary gear set for high efficiency and torque; NGW-S includes spiral bevel gear pair.
• Feature: Precision-engineered for smooth, low-noise operation.

Input Configurations

• Keyed solid shaft input or integrated with electric motors for versatile integration.

Output Configurations

• Keyed solid shaft output for reliable power transmission.

Models and Variants

• Original NGW Series: In-line, 1-3 stages (NGW11~NGW123, ratios 2.8~2000).

• New Design NGW Series:
  • NAD/NAF: 1-stage, in-line or parallel shaft, foot/flange mounted.
  • NAZD/NAZF: 1-stage, parallel shaft, foot/flange mounted.
  • NBD/NBF: 2-stage, in-line or parallel shaft, foot/flange mounted.
  • NBZD/NBZF: 2-stage, parallel shaft, foot/flange mounted.
  • NCD/NCF: 3-stage, in-line or parallel shaft, foot/flange mounted.
  • NCZD/NCZF: 3-stage, parallel shaft, foot/flange mounted.

• NGW-L Series: Coaxial, 1-2 stages (NGW-L11~NGW-L122, ratios 4~100), flange mounted.

• NGW-S Series: Right angle with spiral bevel and planetary gears, 2-3 stages (NGW-S42~NGW-S123, ratios 11.2~500).

• NGW-QJ Series: Coaxial, inclined mounting (45°~55°), for ball grinding mills (NGW-QJ42~NGW-QJ92, ratio 25).

Safety Features

The NGW Series planetary gearbox ensures safe operation through:

• Robust Housing: Cast iron withstands high stress and wear.
• Precision Gears: Planetary and bevel gearsets minimize vibration for stability.
• Reliable Inputs: Compatible with electric motors for secure integration.
• Stable Outputs: Keyed solid shaft ensures dependable power transmission.

Customization Options

• Ratio Range: 2.8:1 to 2000:1 for precise torque control.
• Frame Sizes: 11123, 2002000 for diverse applications.
• Mounting Types: Foot, flange, or inclined (NGW-QJ, 45°~55°).
• Shaft Positions: In-line, parallel shaft, coaxial, or right angle.
• Input Options: Keyed solid shaft or integrated electric motors.

Installation and Lubrication

• Mounting Options: Foot, flange, or inclined mounting (NGW-QJ) for flexibility.
• Lubrication: Oil immersion and splash lubrication or forced lubrication for heavy-duty use.
• Cooling: Natural cooling for efficient heat dissipation.

Maintenance Best Practices

• Lubrication Checks: Inspect oil levels every 6 months; use forced lubrication for continuous duty.
• Gear Inspection: Annual checks for wear on planetary and bevel gears.
• Housing Maintenance: Ensure cast iron integrity to prevent corrosion.
• Clean Environment: Prevent debris from affecting gears or shafts.

Economic Benefits

• Cost-Effective Design: Compact structure reduces installation costs.
• Energy Efficiency: High-efficiency gears lower power consumption.
• Long Service Life: Durable cast iron housing minimizes replacement needs.
• Low Maintenance: Advanced lubrication systems reduce upkeep expenses.

Why Choose the NGW Series Planetary Gearbox?

The NGW Series planetary gearbox from DONGQI offers high-load, high-efficiency power transmission for heavy-duty applications. With a 2.8-2000 ratio, compact design, and versatile configurations, it’s ideal for ball grinding mills, conveyors, and cement production. Its robust 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.