What is a Planetary Gearbox?

When it comes to machines and devices, planetary gearboxes play a significant role. In this simple and helpful guide, we'll explore what planetary gearboxes are, how they work, and why they are essential in various applications.

What is a Planetary Gearbox?
Think of a planetary gearbox as an arrangement of gears that can transmit power and control speed with precision. It's made up of main components: a sun gear in the centre, planet gears that revolve around the sun gear, the planet carrier and an outer ring gear. These components work together to achieve specific mechanical goals.

How Does it Work?
The sun gear sits in the centre and is connected to the part that receives power. The planet gears, which are positioned around the sun gear, mesh with both the sun gear and the outer ring gear and are mounted on the planet carrier. The planet carrier is connected to the output shaft which is the part that delivers power.

As the input rotates the sun gear this drives the planet gears against the fixed outer ring gear. The reaction against the ring gear causes the planet gears to orbit around the sun gear. This motion, in turn, makes the planet carrier rotate. By changing the size of the gears and the number of planet gears, you can control the speed and output torque.

The Importance of Planetary Gearboxes
» Power Transmission: Planetary gearboxes are excellent at transmitting power efficiently. They can handle high torque loads, making them crucial in heavy machinery, automotive applications, and industrial equipment.

» Durability: They are built to last. With correct selection and proper maintenance, planetary gearboxes can endure harsh conditions and heavy use without wearing out quickly.

» Reduction of Noise and Vibration: The design of planetary gearboxes minimises noise and vibration, providing smoother and quieter operation, which is essential in various applications.

» Versatility: Planetary gearboxes are versatile and can be adapted for use in a wide range of industries, from automotive and aerospace to robotics and renewable energy.



At jbj Techniques: Your Source for Tailored Gearbox Solutions
In the realm of mechanical and fluid power solutions, precision and reliability reign supreme. jbj Techniques specialize in delivering a wide array of top-tier products meticulously crafted to meet the diverse demands of various industries. Among the standout offerings lies the unparalleled ability to customize gearbox configurations to suit your exact specifications, whether you require just one unit or many. The planetary gearbox range boasts an impressive array of features designed to elevate performance and exceed expectations:

» With 32 sizes available, jbj Techniques cater for projects of any scale, ensuring no requirement goes unmet.
» Output torque reaches dizzying heights, soaring up to an impressive 1,000,000 Nm, delivering unparalleled power.

» Transmittable power extends to and surpasses 550 kW, ensuring robust performance in even the most demanding applications.

» Ratios spanning from 3 to over 3000:1 offer unmatched versatility, catering to a myriad of operational needs.

» Achieving efficiency levels of up to 98.5% per stage, our gearboxes maximize power transmission while minimizing energy loss.

» Embracing a modular structure, these planetary gearboxes are designed for adaptability, allowing for seamless integration into existing systems.

» This range includes full planetary in-line and combined Gleason-planetary right-angle units, providing solutions for every orientation.

» For enhanced safety and control, an optional spring-applied, hydraulically released multi-disc brake is available.

» Various mounting options ensure compatibility with diverse setups, offering flexibility in installation.

» Output shafts feature a range of configurations including parallel keyed, male or female splined, and options for shrink disc mounting, catering to a multitude of connection needs.

» Accessories for the low-speed shaft include drive flanges, splined bushes, slew pinions, shrink discs, and torque arms, facilitating seamless integration.

» A broad selection of input adaptors accommodates IEC or NEMA standards, as well as air or hydraulic motors, ensuring compatibility across platforms.

At jbj Techniques, it is understood that every project is unique, and this planetary gearbox range reflects this ethos, offering unparalleled versatility, reliability, and performance. Whether you're tackling a monumental industrial endeavour or refining a precision application, these gearboxes stand ready to elevate your operations to new heights of efficiency and productivity.

Customised Gearbox Inputs
As planetary gearbox suppliers, jbj Techniques understands that each application is unique, and off-the-shelf solutions may not always fit the bill. That's where jbj’s exceptional mechanical & fluid power expertise shines through. Whether you're working on a bespoke project or require a gearbox input specially designed for your application, we have the capabilities to deliver exactly what you need.

The skilled team at JBJ Techniques can collaborate with you to understand the intricacies of your project. All factors are taken into account such as power, torque, speed, and load capacity to ensure that the gearbox input we provide is precisely matched to your requirements. Whether it's a one-off solution or a specialised production run, jbj Techniques have the knowledge and experience to deliver results that meet and exceed your expectations.

Accurate Life Calculation for Your Application

Ensuring the longevity and reliability of your gearbox is crucial. To provide you with the most accurate information and peace of mind, jbj Techniques offer precise life calculations tailored to your specific application. The technical office is well-equipped to assist you in determining the expected lifespan of the planetary gearbox inputs for your particular setup.

Get in Touch To Discuss Your Requirements
If you're in need of customised gearbox inputs, have questions about the product range, or require life calculations for your application, don't hesitate to speak to our dedicated technical office. You can contact us by telephone at +44(0)1737767493 or email us at info@jbj.co.uk. There is also a handy contact form at the bottom of each product web page where you can talk to us.

The team at jbj Techniques is ready and eager to assist you in finding the ideal solution to meet your mechanical and fluid power needs.

jbj Techniques take pride in their commitment to delivering quality, precision, and personalised service to valued customers. Let jbj Techniques Limited be your trusted partner in ensuring the success and efficiency of your projects.

Gearbox inputs to suit your own bespoke requirements, even for a one off!

Complete selection of planetary gearboxes which includerotating shaft, in-line and right angle output.

planetary gearboxes which include rotating shaft, rotating case, in-line and right angle output.
Technical specification of planetary gearboxes found in this on-line » catalogue « link
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