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Crucible Damascus steel | Turning bearing balls into a sharp straight razor

In this video, I make crucible Damascus steel from bearing balls. After receiving the ingot, we turn a straight sharp razor.
Hackaday

The Threadless Ball Screw Never Took Off, But Don’t Write It Off

If you’ve never heard of the threadless ball screw, which was invented over sixty years ago, [Angus] of Maker’s Muse has a ...

Norck Robotics Engineering: Precision-Driven Solutions Slashing Production Lead Times by 50%

Driving Next-Generation Automation with Precision Engineering and Measurable Efficiency Gains IRVINE,CALIFORNIA, CA, ...
The New York Times

Fragments of U.S.-Made Missile Seen in Photos Taken by Iran Near Deadly School Strike

Iranian state media posted mangled remnants it claims were from the Feb. 28 attack in Minab. An analysis shows they have the markings of a missile made by American manufacturers By Christiaan Triebert ...
IEEE

Experimental Ball Bearing Impedance Analysis Under Different Speed and Electrical Conditions

Abstract: Ball bearings are commonly used in inverter-driven electrical machines, where they can be subject to high-frequency common-mode currents that accelerate their degradation. This article ...
IEEE

Design Optimization of a Novel Heteropolar Radial Hybrid Magnetic Bearing Using Magnetic Circuit Model

Abstract: In this paper, one novel heteropolar radial hybrid magnetic bearing (HRHMB) with low-power loss is proposed for flywheel energy storage system. First, its structure and equivalent magnetic ...
GitHub

threading.scad

Cross threading occurs when the bolt is misaligned with the threads in the nut. It can destroy the threads, or cause the nut to jam. The standard beveled end process makes cross threading a ...