With ECM rifling, the tool cathode generates the desired internal geometry of the barrel with high precision. A variety of different geometries are possible, for example “polygonal”, “progressive” …

Feb 18, 2020 · Twitter user Freegunzone has shown us his method of rifling a barrel inside his own bathroom. Using a process called Electrochemical Machining, this adventurous gunsmith …

Feb 20, 2025 · With sporting firearms manufacturers demanding ever-tighter tolerances and repeatability, ECM rifling provides a compelling solution. Unlike conventional methods, ECM is …

Jan 7, 2024 · Just wondering for those who do not have experience ECM-ing a barrel liner, were you able to successfully rifle and fire it? Have tried for literal months before getting a hydraulic …

Apr 22, 2024 · Electrolytic machining (ECM) is a subtractive method operating on the principle of anodic metal dissolution via an external DC power source. Example of rifling cathodes. One of …

Aug 13, 2019 · Back in March 2017, I reported on a proof of concept attempt to create rifling grooves, essential to ensure stabilization of bullet, in a length of steel tubing using a process …

Dec 6, 2024 · A special rifling module is used in the PI machine. The result is a highly precise and homogeneous field rifling profile for short and long barrels. Gentle removal of hard materials, …

by conventional methods, it was envisioned that electrochemical machining (ECM) could be used to machine the bore and rifling configuration in high strength materials. ECM could also …

Rifling – adding rifling grooves to the barrel. Throat Cutting – cutting a throat in the barrel to allow rounds to seat fully in the chamber without the bullet engaging in the rifling.

Dec 4, 2023 · ECM can be an ideal technology for machining rifle barrels. The narrow and elongated tool cathode can generate the internal geometry of the barrel with high precision. …