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Related Concept Videos

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Wood surfacing is a critical finishing process designed to smoothen the wood surface, enhance its dimensional accuracy, and make handling safer. This process compensates for potential shrinkage during the seasoning phase by marginally increasing the wood dimensions before surfacing. It also helps correct some distortions that may occur as the wood dries.
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Related Experiment Video

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Operation of the Collaborative Composite Manufacturing CCM System
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Multi-tool optimization for computer controlled optical surfacing.

Xiaolong Ke, Tianyi Wang, Zili Zhang

    Optics Express
    |October 12, 2022
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a novel multi-tool dwell time optimization method for computer-controlled optical surfacing (CCOS). The new approach balances tool run times, improving efficiency and achieving high-precision optical surfaces.

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    Area of Science:

    • Optical Engineering
    • Manufacturing Technology
    • Precision Engineering

    Background:

    • High-precision optical surfaces are crucial for advanced technologies.
    • Computer-Controlled Optical Surfacing (CCOS) is the primary fabrication method.
    • Existing CCOS dwell time optimization methods are limited to single tools.

    Purpose of the Study:

    • To develop a simultaneous multi-tool dwell time optimization strategy for CCOS.
    • To improve overall processing efficiency by balancing machine tool run times.
    • To ensure positive and smooth dwell times considering CNC dynamics.

    Main Methods:

    • Analysis of factors influencing dwell time positiveness and smoothness.
    • Development of compensation strategies to minimize residual errors within CNC dynamic limits.
    • Extension of strategies for simultaneous multi-tool optimization and run time balancing.

    Main Results:

    • A novel method for simultaneously scheduling dwell time for multiple CCOS tools is proposed.
    • Experimental validation on a 60 mm × 60 mm mirror reduced figure error from 45.42 nm to 11.18 nm RMS in 13.28 minutes.
    • Measured polishing results closely matched estimations, confirming method effectiveness.

    Conclusions:

    • The proposed multi-tool optimization method effectively enhances CCOS efficiency and precision.
    • Simultaneous scheduling of multiple tools addresses limitations of previous single-tool approaches.
    • The method offers a significant advancement in high-precision optical surface fabrication.