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Semiconductor Shortage Shines Light On Weak Supply Chain

Semiconductor Shortage Shines Light On Weak Supply Chain

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Understanding and Protecting Vital U S Defense Supply Chains

Toggle open close The United States has entered a new era of great-power competition with China. As the country makes this shift, policymakers are forced to reevaluate some lingering assumptions that drove defense policy during the Cold War, the country’s last period of sustained great-power competition. The competition with the Soviet Union was a competition between two spheres that rarely overlapped: The United States had very little commerce with the Soviet Union, and the global economy was essentially divided into East and West, with much more trade within each sphere than between the two. The competition we face with China today is very different. In the globalized economy, the United States and China are deeply invested in each other’s economies and highly interdependent as a result. The U.S. defense sector is no exception to this, as large multinational defense contractors and their suppliers seek to drive down costs by moving their supply chains overseas, sometimes to c

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Physics-Based Online Training in CNC Machining Available for Free Through DoD Initiative

Around the mid-1990s, something fundamental changed in the nature of machining. Machine tools specifically, CNC machining centers became widely capable of milling at sufficiently high spindle speeds and metal removal rates that the dynamics of the machining system started to matter. Process characteristics related to vibration and natural frequency became potentially significant for determining the performance of the cut. Machining fundamentals have never quite caught up. Machining fundamentals as they are typically taught still tend to assume a milling pass as it might be performed on a manual mill, in which the tool can be modeled as a rigid cylinder and the part can be modeled as a rigid prism. The reality: In CNC machining, if the milling pass is programmed to run at what might be considered a reasonable production rate in aluminum or steel today, then the tool is deflecting and oscillating, the workpiece likely is as well, and these motions have to be appreciated as a poten

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Building U S Manufacturing Competitiveness and Capacity - Center for American Progress

Building U S Manufacturing Competitiveness and Capacity - Center for American Progress
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America s Strategic Materials Problem | The Heritage Foundation

Brent is a senior fellow for naval warfare and advanced technology at The Heritage Foundation. U.S. President Joe Biden holds a semiconductor during his remarks before signing an Executive Order on the economy on February 24, 2021 in Washington, D.C. Doug Mills / Pool / Getty Images Key Takeaways Today the United States relies on other foreign-sourced strategic materials that will have to be secured in times of crisis or conflict. Failure to manage the supply of these critical components can bring an entire industry to a standstill as is playing out today in the auto industry. While the U.S. government has come to realize in recent years the danger posed to the defense supply chain, more is needed.

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