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How should a ball screw be properly maintained?

Category： Company News

Release time：2026-06-08

Ball screw assemblies must be equipped with protective devices to prevent dust and other contaminants from entering the assembly. If the ball screw assembly is exposed on the exterior of the machine tool, a sealed protective cover must be used; options include helical spring‑steel strip sleeves or pleated sleeves, among others.

Ball screw assemblies must be fitted with protective devices to prevent dust and other contaminants from entering the assembly. If the ball screw is exposed on the machine tool’s exterior, a sealed protective cover should be used; options include helical spring‑steel strip sleeves or pleated sleeves, among others. When installing the protective cover, one end should be attached to the side of the ball nut, while the other end is secured to the bearing housing. If the ball screw assembly is located in a concealed position, sealing rings should be employed for protection. During installation, these sealing rings are mounted at both ends of the nut. Contact‑type elastic sealing rings are typically made of nylon and feature an inner bore shaped to match the thread raceway of the screw. This type of seal provides excellent dust‑proofing, but its contact pressure can increase friction. During operation, avoid impacts to the protective device to prevent damage.

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