Guide roller with magnet and bushing for stabilizing roller
By using a combination of magnets, bushings and thrust bearings in the belt guide roller, the problem of increasing position error signal caused by mechanical interference is solved, and the standard deviation of position error signal and better track follow-up performance is achieved, and the cost-effectiveness is achieved.
CN119768866APending Publication Date: 2025-04-04INTERNATIONAL BUSINESS MACHINE CORPORATION
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Patent Information
- Application Number
- CN202380061073.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2022-08-22
- Filing Date
- 2023-07-05
- Publication Date
- 2025-04-04
AI Technical Summary
Technical Problem
The mechanical interference introduced by existing belt guide rollers in magnetic storage systems results in an increase in standard deviation of position error signal (PES), affecting the accuracy of read and write.
Method used
Using a combination of passive magnetic bearings, bushings and thrust bearings, the axial force is provided through the magnets, and the bushings provide radial stability and reduce mechanical interference.
Benefits of technology
The standard deviation of the position error signal (PES) is significantly reduced, track follow-up performance is improved, and the cost is lower than using air bearing rollers.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention provides a belt guide roller and a belt driver, and the belt guide roller is provided with a magnet and a bushing so as to stabilize a roller for a belt medium. The belt guide roller has a roller body extending about a vertical axis. The tape medium passes through the roller barrel to guide the tape medium on a tape path. A plurality of magnets positioned relative to the vertical axis provide an axial force to axially stabilize the tape guide roller.
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