導軌絲杠作為高精密直線傳動的核心部件，廣泛應用于數控機床、自動化生產線、醫療器械、機器人等領域。其主要功能是將旋轉運動轉換為直線運動，并通過導軌實現支撐和導向作用。根據摩擦特性，絲杠可分為滑動絲杠、滾動絲杠和靜壓絲杠三種類型。其中，滾珠絲杠因其高傳動效率、長壽命和高精度成為主流產品，而行星滾柱絲杠則因其高剛性和高承載能力，適用于重載和高可靠性要求的場景，如航空母艦和核電站等。

As the core component of high-precision linear transmission, guide screw is widely used in fields such as CNC machine tools, automated production lines, medical equipment, robots, etc. Its main function is to convert rotational motion into linear motion and achieve support and guidance through guide rails. According to the friction characteristics, screw can be divided into three types: sliding screw, rolling screw, and static pressure screw. Among them, ball screws have become mainstream products due to their high transmission efficiency, long lifespan, and high precision, while planetary roller screws are suitable for heavy-duty and high reliability requirements due to their high rigidity and load-bearing capacity, such as aircraft carriers and nuclear power plants.

盡管導軌絲杠技術在全球范圍內已較為成熟，但我國在這一領域的國產化率仍然較低。主要原因包括設計、原材料、制造設備等方面的差距，尤其是高質量原材料的缺乏影響了絲杠的壽命和可靠性。然而，在人形機器人和新能源汽車等新興行業的推動下，國產絲杠導軌正迎來快速發展的機遇。未來，隨著政策支持和技術進步，國產絲杠導軌有望實現自主可控，并在高端領域占據更大市場份額。

Although the technology of guide screw has become relatively mature globally, China's localization rate in this field is still relatively low. The main reasons include differences in design, raw materials, manufacturing equipment, etc., especially the lack of high-quality raw materials, which affects the life and reliability of the screw. However, driven by emerging industries such as humanoid robots and new energy vehicles, domestic screw guides are facing opportunities for rapid development. In the future, with policy support and technological progress, domestic screw guides are expected to achieve independent controllability and occupy a larger market share in the high-end field.

導軌絲杠按結構可分為梯形絲杠、滾珠絲杠和行星滾柱絲杠。梯形絲杠因摩擦阻力大、傳動效率低而逐漸被取代；滾珠絲杠則因其高傳動效率和長壽命成為主流產品；行星滾柱絲杠雖然制造難度大、成本高，但其高剛性和高承載能力使其在重載場景中具有不可替代的優勢。此外，導軌按結構可分為滑動導軌、滾動導軌和液體靜壓導軌，其中滾動導軌適用于高精度、高速輕加工場景，而液體靜壓導軌則因成本高而應用較少

Guide screw can be divided into trapezoidal screw, ball screw, and planetary roller screw according to their structure. The trapezoidal screw is gradually being replaced due to its high frictional resistance and low transmission efficiency; Ball screws have become mainstream products due to their high transmission efficiency and long lifespan; Although planetary roller screw is difficult to manufacture and costly, its high rigidity and load-bearing capacity make it irreplaceable in heavy-duty scenarios. In addition, guide rails can be divided into sliding guide rails, rolling guide rails, and liquid static pressure guide rails according to their structure. Rolling guide rails are suitable for high-precision, high-speed, and lightweight machining scenarios, while liquid static pressure guide rails are less commonly used due to their high cost

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