Micro-machining and high-precision machining
DEMGY Deva DEMGY Paris DEMGY Atlantique DEMGY Pacific DEMGY Făgăraș DEMGY NormandieMiniaturization and optical requirements push machining to its limits: tolerances measured in microns, flawless surface finishes, and materials that will not forgive thermal drift. DEMGY Group applies this precision know-how to medical devices, optics and instrumentation, complementing its plastic and composite machining offer.
Micro-machining
Producing very small technical parts demands fine control over cutting parameters and tooling. DEMGY Group drills holes down to 0.07 mm in diameter and machines miniaturized components in engineering polymers, where the slightest dimensional drift compromises function. This capability answers the needs of medical devices and precision components.
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Transparent and optical parts
On transparent and optical parts, surface finish is the function. DEMGY Group machines and polishes these parts on 2 to 6 axes, up to optical-grade requirements, in transparent technical polymers.
Tight tolerances on sensitive materials
High-performance polymers deform under heat and cutting stress. Holding tight tolerances relies on cutting strategies adapted to each material (fluoropolymers, PEEK, polyimides) and on rigorous dimensional inspection at every step. This precision draws on the multi-axis facility described on the Plastic and composite machining page.
Specialized capabilities
Beyond material removal, DEMGY Group performs high-precision cutting operations on technical films, notably kapton (polyimide) film cutting, used as insulation in aerospace, space and electronics. These operations round out the micro-machining offer for components where cutting accuracy is critical.
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Applications
Micro-machining and precision machining at DEMGY Group primarily serve the medical market (as a development partner for miniaturized biocompatible components) along with optics, instrumentation, and any application where tolerance is critical.
Assess a precision part
For a miniaturized, optical or tolerance-critical part, DEMGY Group teams can run a feasibility study and a technical review.