Deburring and boring actuator for a remote-operated robotic arm for laser drilling

The deburring and boring actuator for robotic arms addresses the challenge of large-diameter drilling in hostile environments by combining laser cutting and mechanical finishing, ensuring precise bore creation with reduced risks and improved operational safety.

WO2026114655A1PCT designated stage Publication Date: 2026-06-04COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
Filing Date
2025-11-13
Publication Date
2026-06-04

AI Technical Summary

Technical Problem

Existing drilling techniques, including teleoperated robotics, are unsuitable for large-diameter drilling in hostile environments due to the need for multiple drill bit changes and lack of precision in axis alignment, posing risks of tool breakage and operational hazards.

Method used

A deburring and boring actuator for remotely operated robotic arms, comprising a detachable mounting base, a frustoconical cutting tip with edges, a motor for rotation, and a translation device, used in conjunction with laser drilling and gas blasting to create a bore of constant diameter, eliminating the need for tool changes and ensuring alignment.

Benefits of technology

Enables large-diameter, deep laser drilling in hostile environments with reduced risk of breakage and misalignment, achieving high operational reliability and safety by using a two-step process combining laser cutting and mechanical finishing.

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Abstract

The invention relates to an actuator (1) and a method for deburring and shaping a bore, for a remote-operated robotic arm for laser drilling, comprising: - an attachment base (3) that can be detachably coupled to a robotic arm; - a cutting tip (4) having at least one frustoconical portion (5) provided with cutting edges (6); - a motor (7) suitable for rotating the cutting tip (4) in relation to the attachment base (3) about a cutting axis (8); - a device (9) for translating the cutting tip (4) in relation to the attachment base (3), along the cutting axis (8); - a remote control module for remotely operating the motor (7) and the translation device (9).
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