200+ Inserts, One Mold: CNC + Wire EDM: How We Machine Long, Thin Inserts with Zero Warp

In episode 3 of our "A Mold With 200+ Inserts" series, we dive into mold inserts machining — tackling the challenges of long, thin inserts that tend to warp from stress relief and heat distortion.

We’ll show how CNC milling with staged machining, balanced toolpaths, and natural dwell times helps maintain dimensional stability, and how Wire EDM wire (electric discharge machining) closes the shape loop for features that milling can’t reach.

Chapters:
00:00 Intro and Review
00:20 The "multi-stage machining and natural dwell" strategy
00:44 CNC roughing strategy & stress release
01:02 Finishing strategy & path control
01:33 Toolpath of diverse process stage
02:03 Wire EDM: closing the shape loop
02:40 Conclusion

From stress control to high-precision finishing, this episode is all about making inserts fit perfectly — every single time.

🔔 Next episode: EDM Machining For Final Touches on Limit-Access Areas

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Видео 200+ Inserts, One Mold: CNC + Wire EDM: How We Machine Long, Thin Inserts with Zero Warp канала First Mold Manufacturing