Miniature Ball Guide Set: Preload Design and Functionality
漢徳威精密部品 本社
The miniature ball guide set consists of three components: the shaft, the bush, and the ball retainer. The outer circumference of the retainer (made of brass) is crimped with steel balls, minimizing the impact on operational performance. The shaft, steel balls, and bush undergo hardening and polishing processes, stabilizing the metal structure after hardening. The preloaded miniature ball guide set allows the steel balls crimped onto the retainer to roll freely in the gap between the shaft and the bush. It enables linear, rotational, and combined linear-rotational movements. In the case of linear motion, the movement stroke of the ball retainer operates within half the total length of the bush and the shaft, while the maximum movement stroke of the linear motion is determined by the total length of the ball retainer and the bush. The condition for achieving high-precision movement is to apply an appropriate amount of preload. At HEADWAY, you can freely select the appropriate preload for various applications. The preload is calculated by adding twice the diameter (B) of the transmission element to the outer diameter (D) of the shaft and subtracting the inner diameter (d1) of the bush. Welcome to inquiries.
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Material Selection: Depending on the customer's environment, we can choose bearing steel (SUJ2) or stainless steel (SUS440C) to maximize product value.
Miniature: In addition to standard specifications, we also offer a compact version that reduces the appearance by 20%, fitting into tighter spaces.
Market Smallest: With a guide pin of 2mm and a guide sleeve inner diameter of 3.2mm, this is the smallest size among currently available miniature units.
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