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What are the commonly used nut materials of lead screws?

Views: 220     Author: Site Editor     Publish Time: 2023-06-09      Origin: Site

What are the commonly used nut materials of lead screws?

Trapezoidal lead screws are commonly used in various mechanical applications, such as CNC machines, 3D printers, and automation systems. The choice of material for the nut that runs along the lead screw is critical to the overall performance and durability of the system. In this article, we will discuss the properties and characteristics of four commonly used materials for lead screw nuts: bronze, brass, POM, and nylon.



Bronze nuts are known for their high strength, wear resistance, and corrosion resistance. They are often used in heavy-duty applications where the load and speed are high. Bronze nuts also have good thermal conductivity, making them suitable for high-temperature environments. However, they require regular lubrication to maintain their performance.

Brass nuts are similar to bronze nuts in terms of strength and wear resistance but are more affordable. They are commonly used in light-duty applications where the load and speed are low. Brass nuts are also resistant to corrosion and do not require frequent lubrication. However, they are not suitable for high-temperature environments.

POM (polyoxymethylene) nuts are known for their low friction and self-lubricating properties. They are commonly used in applications where high precision and low noise are required, such as in medical equipment and laboratory instruments. POM nuts also have good chemical resistance and can withstand high temperatures. However, they are not as strong as bronze or brass nuts and can deform under heavy loads.

Nylon nuts are the most affordable option and are commonly used in light-duty applications where the load and speed are low. They have good wear resistance and are self-lubricating, which reduces the need for frequent maintenance. However, they are not as strong as bronze or brass nuts and can deform under heavy loads. They are also not suitable for high-temperature environments.

In conclusion, the choice of material for
lead screw nuts depends on the specific application requirements, such as load, speed, temperature, and precision. Bronze and brass nuts are suitable for heavy-duty applications, while POM and nylon nuts are suitable for light-duty applications. It is important to consider the properties and characteristics of each material before making a decision.


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