Core Technology of Large-Area Mirror Surface Machining | 40+ Years Expert in Precision EDM Solutions - NEUAR EDM

Large Mirror Surface

Large Mirror Surface

Ø 60mm Large-Area Mirror Surface Machining

Core Technology of Large-Area Mirror Surface Machining

NEUAR CNC Die-Sinker EDM achieves mirror surface machining over a Ø60 mm area through precise discharge control and optimized machining parameters. The process maintains consistent surface quality across the machining area, demonstrating NEUAR's capability in large-area mirror finishing for precision mold applications.


Machining Case Study

Eliminating the Need for Polishing
The built-in High Quality Mirror Circuit (HQM2) expands the machinable surface area for fine finishing, enabling a mirror surface to be achieved directly through EDM machining. By optimizing discharge conditions, the process eliminates the need for post-polishing, allowing the workpiece to be used immediately after machining.
From fine surface details to large-area mirror finishing, this technology delivers the required surface quality through EDM machining, reducing post-processing and supporting efficient mold production.

Excellent Mirror Quality
The machined surface features a mirror-like appearance with high reflectivity and a uniform finish across the entire area. Fine surface details are clearly reproduced, resulting in a consistent finish with no visible discharge marks.
Completed discharging before cutting half

Machining Case Study : Large-Area Mirror Surface Machining
Ø60 mm large-area mirror surface machining for plastic molds, achieving a mirror finish directly through EDM without additional polishing.

Machining Data
WorkpieceSTAVAX (HRC 52)
ElectrodeCopper Ø60 mm
Depth2.5 mm
RoughnessRa 0.09 / VDI 0
Undersize0.40 / 0.20 / 0.10 mm
Cycle Time16 hr 50 min

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Full Catalog: CNC Precision Die-Sinker EDM

Ø 60mm Large-Area Mirror Surface Machining | Founded 1998 — Precision Systems, AE II Guidance & Global Support

NEUAR EDM designs high-speed, mirror and automated EDM solutions backed by a team with 40+ years of cumulative know-how. Our AE II Intelligent Expert System streamlines programming so manufacturers reach stable accuracy faster.

From mirror-finish surfaces around Ra 0.06–0.20 µm to reliable micro-radius features, our technology supports mold & die, medical, aerospace and automotive programs with consistent quality and throughput.

We provide structured training, responsive after-sales service and lifetime paid support for mirror EDM systems to protect uptime across global installations—ask about demos, sample cuts or a factory visit.

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