EP-Model 3 Flanged Output Drives Planetary Gearbox

The EP-Flanged Output Drives Planetary Gearbox is designed for efficient, high-performance applications. It offers an output torque of 950 Nm (normal) and 2200 Nm (max intermittent). The gearbox is available in two ratios: 3.54 (single reduction) and 12.19 (double reduction). It is compatible with SAE A motor pilot/hubs with 13T-16/32 Spline or 15T-16/32 Spline options and a 1″-6B spline motor input. The maximum input speed is 3500 rpm. Additionally, the gearbox features a brake torque of 370 Nm and a brake work pressure range of 34-50 bar for the single reduction option, while the double reduction option offers 120 Nm and a brake work pressure range of 12-50 bar. Customization options, such as different ratios and input types, are also available to suit specific needs.

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1. Technical Performance & Specifications

output torque (N.m)Ratio (i)Recommend Hydraulic Motor pilot/hubs and input splineMax. input speed (rpm)Brake torque (N · m)Brake work pressure (bar)
normalMax. Intermittent
95022003.54Single reductionSAE A motor pilot/hubs
13T - 16/32 Spline
15T - 16/32 Spline
1" - 6B Spline
14T - 12/24 Spline
350037034-50
12.19Double reduction12012-50
* Input rotates, and output rotates in the same direction.
* Other ratios and other input types can be special designs.
* For other output shaft options or output spindle options.

 

Model 3 Series Flanged Output Drives Planetary Gearbox
OptionsDescriptionOrder NumberUse Option Order Codes to Build Order Number
Model SeriesModel 33T3T
Motor Pilot/HubsSAE A2A2
SAE A4A4A4
Motor Input Spline or Shaft Input Options13T - 16/3213
15T - 16/3215
1" - 6B6B
14T - 12/241414
Shaft Input 1.5" Round1.5R
Ratio Options3.540303
12.1912
Output Options2.56" RoundA2A2
2.00" HexH1
F1 SpindleF1
F14 SpindleF14
Brake120NmB1
370NmB2
Without BrakeWOWO
Example of complete order code:3TA41403A2 WO

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2. Integrated flange output drive planetary gearbox technology

As a high-performance epicyclic gearbox, the Model 3 series integrates a sophisticated arrangement of sun gears, planet gears, and a sturdy outer ring gear to deliver unparalleled torque density in a remarkably compact footprint. This specific design is engineered for applications where axial space is at a premium but high radial loads and precision output are non-negotiable requirements. By utilizing a flanged output interface, the gearbox ensures a rigid connection to the driven component, significantly reducing vibration and enhancing the overall stability of the mechanical system. Whether you are operating in the high-altitude mining regions of the Colombian Andes or managing a sophisticated sugar cane processing facility in the Valle del Cauca, this planetary gear box provides the consistency and reliability needed to maintain continuous production cycles. Our design philosophy focuses on maximizing efficiency through precision-ground helical or spur planetary gears, which minimize friction losses and heat generation, thereby extending the service life of the entire drivetrain.

Furthermore, the adaptability of the Flanged Output Drives Planetary Gearbox allows for seamless integration with various motor types, including hydraulic motors and electric servo systems. This versatility makes it an ideal choice for planetary servo gearbox applications where precise positioning and rapid acceleration are essential. Each unit is manufactured to strict tolerance standards, ensuring that the planetary gearbox ratio remains consistent across varying load conditions. In the Colombian industrial landscape, where equipment must often withstand humid tropical environments and fluctuating power inputs, the robust sealing and superior lubrication systems of our Model 3 series offer a significant advantage. This gearbox is designed to handle extreme peak loads without compromising the integrity of the internal teeth, thanks to advanced heat treatment processes applied to every planet gearbox component.

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3. Five Critical Advantages of the Flanged Output Drives Planetary Gearbox

  • 1. Superior Torque-to-Weight Ratio
    The internal architecture of the Flanged Output Drives Planetary Gearbox allows the load to be shared across multiple planet gears simultaneously. This distribution enables the handling of massive torque loads within a small frame, reducing the overall weight of your machinery.
  • 2. Enhanced Rigid Flange Mounting
    The flanged output design provides a direct, bolt-on interface that eliminates the need for flexible couplings in many scenarios. This rigidity improves accuracy in positioning and reduces the likelihood of mechanical failure due to misalignment.
  • 3. Exceptional Transmission Efficiency
    Achieving up to 97% efficiency per stage, our planetary reduction gearbox minimizes energy waste. In large-scale Colombian operations, this efficiency translates directly into lower electricity costs and reduced heat dissipation requirements.
  • 4. Wide Range of Reduction Ratios
    The modular nature of the epicyclic gearbox allows for multiple stages to be stacked easily. This gives engineers the flexibility to choose a planetary gearbox ratio that perfectly matches the speed and torque requirements of their specific application.
  • 5. Robust Environmental Resistance
    Equipped with specialized seals and high-grade lubricants, this advanced Flanged Output Drives Planetary Gearbox is built to withstand dust, moisture, and varying temperatures, ensuring consistent performance in both indoor and outdoor settings.

4. Flanged Output Drives Planetary Gearbox Working Principle

At its core, the system consists of three main components: the sun gear, the planet gears, and the ring gear. The sun gear is located at the center and acts as the input, driven by the motor. It transmits motion to several planet gears that are held in place by a carrier. These planet gears mesh simultaneously with the sun gear and an stationary outer ring gear. As the sun gear rotates, it forces the planet gears to "orbit" around it, which in turn rotates the planet carrier. This carrier is connected to the output shaft or, in the case of our Model 3, the flanged output drive. Because the load is distributed over multiple contact points between the gears, the stress on each individual tooth is significantly lower than in a standard parallel shaft gearbox.

The internal planetary gearbox diagram reveals a highly symmetrical structure that naturally balances the radial forces acting on the gears. This self-centering property reduces the wear on bearings and ensures a smoother, quieter operation. In a 2 stage planetary gearbox, the output of the first carrier becomes the input for a second sun gear, allowing for incredibly high reduction ratios without a massive increase in the physical size of the unit. The planetary gearbox design of the Model 3 focuses on optimizing the tooth profile to ensure maximum surface contact, which is vital for maintaining high efficiency and low backlash. For precision applications, such as robotic arms or CNC machinery, a planetary servo gearbox configuration is used to provide the high torsional stiffness required for rapid start-stop cycles. By carefully calculating the planetary gearbox ratio, engineers can achieve the perfect balance between output speed and force, making the Flanged Output Drives Planetary Gearbox one of the most versatile tools in modern mechanical transmission.

5. High-Quality Materials and Construction

Thelongevity of Flanged Output Drives Planetary Gearbox is dictated by the quality of the materials used in its construction. Our Model 3 units utilize high-strength alloy steels for all internal gearing components. The sun and planet gears are typically manufactured from 20CrMnTi or 42CrMo, which undergo precise gas carburizing and quenching to reach a surface hardness of HRC 58-62. This hard exterior, combined with a tough, ductile core, allows the gears to resist both abrasive wear and sudden shock loads. The ring gear is often made from high-grade cast iron or nitrided steel to provide a smooth, durable track for the planet gears. The housing of the small planetary gearbox is designed using robust spheroidal graphite cast iron, which offers excellent vibration damping and thermal conductivity, helping to dissipate heat during continuous operation.

6. Global and Local Regulatory Compliance

The manufacturing and deployment of the flanged drives planetary gearbox are governed by international standards to ensure safety and interchangeability. We strictly adhere to ISO 6336 standards for gear strength calculations and ISO 9001:2015 for quality management systems. In the context of Colombia, our products are designed to meet or exceed the requirements set by ICONTEC (Instituto Colombiano de Normas Técnicas y Certificación), particularly regarding machinery safety and industrial transmission components. For European exports, we comply with the Machinery Directive 2006/42/EC and provide CE marking where required.

7. Versatile Application Scenarios

Heavy-Duty Mining Equipment

Used in conveyor drives, apron feeders, and stacker-reclaimers across the Colombian mining sector to handle massive torque requirements in harsh conditions.

Agricultural Machinery

Ideal for sugar cane harvesters and large-scale irrigation systems, where the flanged output drives a planetary gearbox that provides the reliability needed for seasonal peak operations.

Construction & Earthmoving

Integrated into wheel drives and track drives for excavators and pavers, offering high load-bearing capacity and precise movement control.

Marine & Port Logistics

Utilized in winches, cranes, and harbor equipment where compact, high-torque planetary reduction is necessary to handle heavy maritime loads.

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8. Related Products

PTO Shaft

PTO Shafts

Our heavy-duty PTO Shaft series is specifically engineered to pair with our gearboxes for agricultural machinery, offering high safety standards and efficient power transfer.

Industrial Motor

Industrial Electric Motors

We provide high-efficiency electric motors and hydraulic motors designed to mount directly to the Flanged Output Drives Planetary Gearbox, ensuring optimal performance and simplified maintenance.

11. Why choose us?

With decades of experience in the power transmission industry, we have established ourselves as a leading name in Flanged Output Drives Planetary Gearbox manufacturing. Our facility is equipped with state-of-the-art CNC machining centers, gear grinding machines, and advanced quality control laboratories. We specialize in providing customized solutions for challenging industrial environments, from mining and agriculture to renewable energy. Our commitment to innovation and customer satisfaction has made us a trusted partner for companies worldwide. We pride ourselves on our one-stop-shop approach, offering not only planetary gearboxes but also a full suite of agricultural and industrial drivetrain components.

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Frequently Asked Questions (FAQ)

Q1. When should I specify a planetary servo gearbox instead of a standard planetary reduction gearbox for my project?
You should opt for a planetary servo gearbox when your application requires high precision, low backlash, and the ability to handle rapid acceleration and deceleration, such as in automated packaging lines, robotics, or high-speed CNC machinery found in modern Colombian factories.
Q2. How can I determine the correct planetary gearbox ratio for my heavy-duty winch application in Bogota?
To determine the ideal planetary gearbox ratio, you must calculate the required output torque and speed based on your load requirements and your motor's rated RPM. Our engineering team can provide a detailed analysis and suggest the most efficient ratio to ensure your winch operates safely and effectively under maximum load.
Q3. Which specific features make the Flanged Output Drives Planetary Gearbox suitable for the high humidity of coastal Colombian ports?
The Model 3 units are equipped with premium double-lip seals and can be specified with corrosion-resistant coatings or stainless steel components. This design effectively prevents moisture ingress and salt-spray oxidation, making them highly durable for maritime and port logistics environments where standard gearboxes often fail prematurely.
Q4. Why is the Flanged Output Drives Planetary Gearbox often preferred over shaft output designs for heavy-duty rotary actuators?
The flanged output provides a much larger mounting surface, which distributes the mechanical stress more evenly and offers superior torsional rigidity. This is critical for rotary actuators where any deflection could lead to positioning errors or premature mechanical wear.
Q5. What maintenance is required to ensure a long service life for my planetary gear box in a 24/7 manufacturing facility?
Regular maintenance involves periodic oil changes, checking for seal integrity, and monitoring operating temperatures. For high-cycle applications, we recommend a semi-annual inspection. Because our Flanged Output Drives Planetary Gearbox uses high-grade synthetic lubricants, maintenance intervals are significantly longer than those of traditional gearboxes.
Q6. How does the planetary gearbox working principle contribute to energy savings in large-scale sugar cane processing mills?
The planetary architecture distributes the load across several gear teeth, reducing internal friction and heat. This high efficiency means less energy is lost as heat, allowing you to use smaller, more energy-efficient motors to achieve the same output torque, significantly lowering operational costs in energy-intensive industries.
Q7. Can a flanged drives planetary gearbox handle high radial loads from a belt-driven input system in industrial plants?
Yes, our Flanged Output Drives Planetary Gearbox is designed with oversized bearings on the output and input stages specifically to handle high radial and axial loads. This makes it ideal for belt-driven or chain-driven systems where external forces are constantly acting upon the shaft.
Q8. What are the advantages of choosing a 2 stage planetary gearbox over a single stage for high-torque applications?
A 2 stage planetary gearbox allows for much higher reduction ratios (up to 100:1 or more) within a very compact housing. This enables high torque output at low speeds, which is essential for heavy lifting, mining equipment, and precise agricultural machinery movements.

Editor: PXY