- Oct 7, 2026
Annealing Machined Copper: When a Soft Temper Is Required
Annealing gives copper a soft temper for bending, crimping and stress relief. Temperature, atmosphere, distortion and the order of operations explained.
- Sep 26, 2026
Finishing Copper EDM Electrodes: Polish, Detail and Wear
Electrode surface finish transfers to the cavity. What a mirror finish costs, when a machined face is enough, how detail and wear interact and what to write.
- Sep 26, 2026
Thin Wall Copper Machining: Why Walls Move and Fixes
Copper walls push away from the cutter, ring and come out thicker at the top. What a shop does about it, what to put on the drawing and where the limit is.
- Sep 26, 2026
Copper CNC Machining: Why Copper Is Difficult to Cut
Copper is soft and still hard to machine. What goes wrong, what shops change to control it and what to put on your drawing so the quote comes back right.
- Sep 21, 2026
Copper vs Graphite EDM Electrodes: Which to Choose
Copper electrodes give fine detail and a better finish, graphite cuts faster and machines more easily. How to choose and which copper grade to specify.
- Sep 21, 2026
Copper Machining Tolerances You Can Actually Expect
Realistic tolerance bands for pure and free-machining copper, why heat and clamping move a soft metal and how to tolerance a drawing so you do not pay twice.
- Sep 21, 2026
Milling, Turning, Drilling and Tapping Copper Parts
Copper behaves differently in every operation. What changes when a shop mills, turns, drills or taps it, and which features on your part cost the most time.