Mirror Spark Eroding for Plastic Injection Mold Optical Cores

Ultra-fine finish generator discharge pulses smoothing hardened tool steel surfaces down to mirror grade Ra 0.05 μm without manual polishing.

Engineering Specifications & Parameters

Primary Alloys	Bohler M390, S136 ESR Hardened (54 HRC)
Process Method	Mirror Finish Sinker EDM
Kinematic Control	High-Purity Isostatic Graphite Electrodes
Surface Finish (Ra)	Ra 0.05 μm
Dimensional Tolerance	+/-0.0015 mm

Manufacturing Overview & Engineering Principles

Mirror Spark Eroding for Plastic Injection Mold Optical Cores is an advanced machining methodology utilized by UCAN ROBOT to achieve high-precision geometries, rigorous dimensional stability, and verified surface finishes across demanding industrial production runs.

Process Specifications & Technical Controls

Process Classification: Mirror Finish Sinker EDM.
Achievable Tolerances: Maintained consistently within +/-0.0015 mm under continuous CNC cycle monitoring.
Surface Finish Capability: Delivers surface roughness down to Ra 0.05 μm, eliminating or minimizing manual secondary benchwork.
Compatible Materials: Optimized for precision cutting of Bohler M390, S136 ESR Hardened (54 HRC).
Kinematic Setup: Employs High-Purity Isostatic Graphite Electrodes to eliminate cutting vibration, tool chatter, and thermal drift.

Explore our technical equipment capabilities in 5-Axis CNC Milling and read our guidelines on Precision Machining Quality Control.

Frequently Asked Questions

What dimensional accuracy is standard for Mirror Spark Eroding for Plastic Injection Mold Optical Cores?

UCAN ROBOT reliably maintains tolerances within +/-0.0015 mm using temperature-compensated machine tools and in-process laser tool setting.

What materials yield the best results with this process?

This process is engineered for Bohler M390, S136 ESR Hardened (54 HRC), providing clean chip evacuation and burr-free edges.