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27. 2. 2026 14:17
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Servo Gearboxes as the Backbone of Precision Drives in Automation

TECH

Modern industrial devices rely on precise motion control and reliable power transmission.

Automated production lines, handling equipment, or conveyor systems need drives that can work precisely, stably, and long-term without fail. One of the most important components of such systems is servo gearboxes, which ensure optimal power transfer between the servomotor and the machine mechanism.

Servo gearboxes allow for the reduction of motor speed while increasing torque, making the drive efficient and precise. In combination with servomotors and control elements, like frequency converters, they form a reliable foundation for modern drive systems. A key feature of servo gearboxes is minimal backlash, high efficiency, and stable operation, which is crucial, especially for positioning tasks or synchronized movements.

These gearboxes are used in a wide range of applications—from automation equipment to packaging lines to robotic systems. Choosing the right gearbox can significantly improve the drive's properties and also help protect the servomotor and extend the lifespan of the entire mechanism.

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Planetary Servo Gearboxes for Servo Drives

In industrial applications, planetary gearboxes are frequently used, offering an excellent balance of precision, load capacity, and dimensions. The planetary design allows for the even distribution of load amongst multiple gears, reducing wear and ensuring longevity.

Inline planetary gearboxes with straight gears are a suitable solution, especially for servo drives where quiet operation and compact size are needed. These gearboxes are characterized by low noise, stable operation, and cost-effectiveness, making them ideal for economical automation projects.

Their operational characteristics enable use in devices where space is limited, yet high movement precision is required. Servo gearboxes are available in single or dual-stage versions with an external shaft, allowing easy adaptation to various machine types.

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Depending on the required precision, different gearbox series can be selected. The PAC and PEE series offer standard types suitable for general industrial applications with a good price-performance ratio. The PGE, PGC, and PGF series are precision designs aimed at more demanding applications where higher precision and movement stability are crucial. The PGH and PGRH series represent the top tier for applications with high demands on precision and reliability.

Also available are PAC, PEE, PGE, and PGC servo drive flanges, allowing easy gearbox mounting to the servomotor.

Manufacturer Sesame Motor – A Specialist in Drive Systems

The servo gearboxes offered by Powerbelt.sk come from Sesame Motor, a well-established manufacturer of drive components with a long-standing tradition. The company was founded in 1990 in Taiwan during a rapid growth period in the engineering industry when there was increasing demand for high-quality drive units.

From the start, the manufacturer focused on technological innovations and production quality. One of the initial successes was the development of small AC motors with low noise, high torque, and smooth operation. Over time, their portfolio expanded to include geared motors and complete drive solutions for automation equipment.

With the advancement of automation, the company began developing its own planetary gearboxes, which today form a significant part of its production. Sesame Motor has developed over forty product series of planetary gearboxes and holds numerous international patents. Their products are compatible with many global brands and are used in more than fifty countries worldwide.

A significant advantage is the high proportion of in-house manufacturing. More than ninety percent of key components are produced directly in the manufacturer’s plants. Modern machining centers, gear cutting machines, and precise quality control ensure high reliability, precision, and low noise levels in the gearboxes. All products are made in Taiwan, including design, machining, and assembly.

Choosing the Right Servo Gearbox

Servo gearboxes are a crucial component of modern automation systems where precision, stability, and long lifespan matter. Selecting the right gearbox can significantly enhance the characteristics of a servo drive, reduce motor load, and increase the overall efficiency of the device. When paired with a servomotor and properly configured control, such a drive can operate reliably and accurately, even during prolonged use.

Sesame Motor’s planetary servo gearboxes provide a practical solution for a wide range of applications—from economic projects to demanding industrial devices. When choosing the right gearbox type, it is important to consider the required precision, load, and installation method. If needed, we are happy to assist you in choosing the right solution at Powerbelt.sk so that the servo gearbox works reliably in your specific application.