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Precision Gearboxes.

Precision Gearboxes

What are Precision Gearboxes?

A gearbox is an integral component in the world of rotary engineering components, functioning as a sophisticated interlocking conduit for transmitting power from a driving device to a driven device. Predominantly found in machinery, robotics and vehicles, gearboxes are meticulously designed to adjust torque and high speeds between a motor and a load. Gearboxes achieve this through a series of gears and shafts, which work in harmony to modify the input energy from the motor to a suitable output.

How Gearboxes Work.

In practice, gearboxes are essential in translating a motor's power from one shaft to another, interlinking other parts of machinery. They do this by utilising a set of gears and shafts to modify the rotational speed, allowing different speeds and torques to be achieved according to the requirement.

A real-life example can be seen in manufacturing plants, where a spur gearbox might be used in conveyor systems to ensure the smooth transportation of materials at a consistent pace. In aerospace, a right-angle gearbox is often used in tight spaces to alter the direction of drive by 90 degrees, vital for compact and efficient design. Similarly, in robotics, an RC gearbox enables precise movement and control, crucial for tasks requiring accuracy and delicacy.

In each of these scenarios, the gearbox is fundamental in ensuring the rotation force is transmitted to its destination facilitating optimal efficiency, reliability, and performance, tailored to the specific needs of the project.

Material of Gearboxes.

At Accu, our high-quality gearboxes are constructed with aluminium shells and stainless steel gears, ensuring durability and reliability. The choice of material plays a crucial role in the functionality and longevity of the gearbox. Aluminium shells offer lightweight strength, making them ideal for applications where weight is a concern. Additionally, the stainless steel gears provide robustness and resistance to wear, essential for heavy-duty operations.

Sizes and Types of Gearboxes.

Accu’s gearboxes come in sizes with shaft diameters ranging from 3mm to 25mm, catering to both delicate and heavy-duty applications. We offer an array of gearbox types including miniature bevel, bevel, spiral bevel, hollow shaft bevel, worm & wheel, and hypoid, each designed for specific mechanical needs no matter if you intend to use them for a model gearbox or to construct intricate conveyor systems.

Our gearboxes are also available in two variants, with the standard being a 90-degree angle gearbox, ideal for offsetting the motors somewhere else in your design. The alternative is a 3-way gearbox which acts similarly to an axle. In a T shape, this 3-shaft gearbox can transmit one input into two output shafts which rotate in the same way, just like the transmission on a vehicle.


Q: How do I choose a gearbox?.

A: You'll want to consider the required gear ratio, shaft diameter and the specific type of gearbox needed for your application to ensure optimal performance and compatibility with your project.

Q: What are the different styles of gearboxes?.

A: Accu stocks a few different gearboxes which can be used in your project. A common type is our bevel gearboxes which offer gears that interlock at a 45-degree angle resulting in a 90-degree angle gearbox. These are available with an input and output shaft or a hollow bore output. Other types include high-performance worm and wheel gearboxes which offer extremely high torque and gear ratios along with hypoid-type gearboxes which are similar to bevel but have the axles offset for superior efficiency. If you're unsure about what gearbox is right for your application requirements, get in touch with our engineering team who are more than happy to help.

Q: What factors should I consider when selecting a gearbox for a high-torque application?.

A: When choosing a gearbox for high-torque applications, focus on the gear ratio, material strength, and type of gearbox. A higher gear ratio, like 50:1, is essential for maximising torque output. Materials like stainless steel can withstand the stress of high-torque operations. Additionally, consider gearbox types such as worm & wheel or hypoid for their efficiency in torque transmission.

Q: How do I determine the appropriate gearbox size for my project?.

A: To determine the right gearbox size, assess the space constraints of your project and the required shaft diameter. The size should align with the physical dimensions of your machinery while accommodating the shaft size, which ranges from 3mm to 25mm in our gearboxes. Also, consider the operational requirements, such as speed and torque, to ensure the gearbox can handle the intended load.

Q: Can universal gearboxes be used in precision robotic applications?.

A: Yes, universal gearboxes are integral in precision robotic applications. For these scenarios, consider gearboxes like miniature bevel or spiral bevel types, which offer precise control and compact sizing, ideal for intricate power transmission in robotics. The choice of material, such as lightweight aluminium, also plays a crucial role in maintaining the efficiency and agility of robotic systems.

Bespoke Precision Gearboxes Manufacture.

High precision, bespoke manufacture of Precision Gearboxes to customer specification. State of the art facilities specialising in both small batch prototyping and large scale manufacture.

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