Material Selection Standards
The selection of EDM graphite materials at XRD is governed by a performance-driven, reverse-engineering approach. The appropriate graphite grade is determined based on the required mold precision level and specific discharge operating conditions, evaluated across three critical dimensions:
- Grain Size – Directly influences electrode surface finish and the achievable workpiece surface roughness after EDM.
- Density – Affects electrode wear rate and process stability throughout the machining cycle.
- Flexural Strength – Determines the reliability of machining complex geometries, such as thin ribs, sharp corners, and delicate features.
Quality Control Standards
XRD’s quality assurance framework ensures that both electrode consumption rate and workpiece surface quality remain consistently predictable and controllable. Our commitment extends beyond supplying premium EDM graphite materials—we meticulously oversee every detail of the machining process. This holistic approach guarantees stable, repeatable performance in real-world production environments.
About XRD Graphite
With over 30 years of experience in graphite product development and precision machining, XRD Graphite has been a trusted partner to the precision mold and die industry. We provide end-to-end support, from prototype validation through to full-scale production, ensuring seamless transitions at every stage of your project lifecycle.







