Number of stages: This refers to the number of planetary gear sets within a reducer. A single set of planetary gears may not be sufficient to achieve a high gear ratio, so in many cases, two or even three sets are used to meet the requirements for larger ratios. However, as the number of gear sets increases, the overall length of the reducer also grows, and efficiency tends to decrease slightly.
Backlash: This is the angular play that occurs between the input and output shafts when the output is fixed. When the input shaft is rotated clockwise and then counterclockwise under a rated torque (with a variation of ±2%), there will be a small angular displacement at the input side. This displacement is known as backlash, and it's measured in minutes—where one minute equals 1/60th of a degree. It is also commonly referred to as "hysteresis" or "gear clearance."
Servo motor reducers are versatile industrial components designed to deliver performance comparable to military-grade reducers but at an industrial-grade cost. They are widely used across various sectors due to their compact size, lightweight design, high load capacity, long service life, stable operation, and low noise levels. These reducers feature power splitting and multi-tooth meshing, allowing them to handle high input power—up to 104 kW. They are suitable for applications such as lifting, material handling, construction machinery, mining, metallurgy, petrochemicals, automotive, marine, aerospace, and more.
The servo motor reducer is a new generation of highly versatile transmission system. Its internal gears are made from 20CvMnT steel, which undergoes carburizing and grinding to ensure durability and precision. The unit offers a compact structure, high torque output, a wide speed ratio range, and high efficiency. It is particularly well-suited for slewing mechanisms in tower cranes, but can also serve as an essential component in lifting, excavation, transportation, and construction equipment. Additionally, it is ideal for use in medical devices, automation systems, and precision instrumentation.
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