When choosing a trapezoidal lead screw, what other factors should be considered besides accuracy grade?

When selecting a trapezoidal screw, in addition to precision grade as a key factor, several other aspects need to be considered:

Load Capacity
The load capacity should be chosen based on the actual loads and types that will be encountered in the application. Ensure that the load capacity is sufficient to meet the requirements under working conditions to guarantee the stability and reliability of the transmission.

Motion Speed
If quick linear motion is required, choose a trapezoidal screw with a larger lead to allow the nut to move a greater distance in a unit of time, achieving higher speeds. Additionally, consider whether the driving mechanism can effectively operate the selected lead screw.

Working Environment
The working environment of the trapezoidal screw greatly influences its performance and lifespan. Factors such as temperature, humidity, dust, and corrosiveness need to be considered to select materials and surface treatments that are suitable for the environment. For example, in humid or corrosive environments, choose trapezoidal screws with good corrosion resistance.

Stiffness
The stiffness of the trapezoidal screw determines its ability to resist deformation under load. A high-stiffness trapezoidal screw can bear greater loads while maintaining high transmission accuracy. Therefore, pay attention to the stiffness specifications when making a selection.

Material
The material of the trapezoidal screw significantly affects its performance. High-strength, wear-resistant materials can ensure the performance and longevity of the trapezoidal screw during high-speed operation. Common materials include carbon steel, alloy steel, and stainless steel, which should be chosen based on specific needs.

Lubrication
Good lubrication conditions can reduce friction and wear on the trapezoidal screw, improving its transmission efficiency and lifespan. Therefore, consider the lubrication method and lubricant selection when choosing trapezoidal screws.

Installation and Maintenance
The installation and maintenance of the trapezoidal screw are also factors to consider during selection. Ensure that the chosen trapezoidal screw's installation dimensions and methods match the existing system or equipment and facilitate maintenance and care.

Price and Delivery Time
Finally, consider the price and delivery time of the trapezoidal screw. While meeting performance requirements, choose a trapezoidal screw with a high cost-performance ratio and pay attention to whether the delivery time meets project needs.