Linear table device

The linear table device addresses the airflow inhibition issue by using rollers with circumferential grooves and an air intake port with negative pressure, enabling efficient particle recovery and maintaining operational accuracy.

WO2025057347A1 Publication Date: 2025-03-20KURODA PRECISION INDS
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Patent Information

Application Number
PCT/JP2023/033451
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-09-13
Publication Date
2025-03-20

AI Technical Summary

Technical Problem

The existing linear table devices face challenges in allowing air to flow from outside the sheet storage chamber into the sheet storage chamber, which hinders the recovery of particles such as wear powder generated during the movement of the movable table.

Method used

The linear table device incorporates a pair of rollers with circumferential grooves that abut against the sheet plate, creating a path for air to flow while preventing particles from scattering. Additionally, an air intake port with negative pressure ensures a pressure difference that facilitates airflow into the sheet storage chamber.

Benefits of technology

This configuration effectively suppresses the inhibition of air flow, allowing for efficient recovery of particles within the sheet storage chamber, while maintaining the structural integrity and operational accuracy of the linear table device.

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Abstract

[Problem] To improve the recovery of particles in a sheet storage chamber by means of an air flow. [Solution] The present invention has a front side roller 80 and a rear side roller 90 in front and rear parts of a movable table 50 that defines a sheet storage chamber 70, and circumferential grooves 82B, 92B are respectively provided on the outer circumferences of the front side roller 80 and the rear side roller 90.
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