DowDuPont's Andrew Liveris: How America Can Bring Back Manufacturing

From Knowledge@Wharton: Manufacturing accounts for about 13% of the U.S. economy. Should we even focus on trying to "bring it back," now that information and services - the "knowledge economy" - seems a more promising path?

Three Reasons Why Advanced Manufacturing Institutes Matter

American manufacturing is surging with almost 900,000 new jobs created in the past six years. While thats incredible progress, how do we take manufacturing to the next level?

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T.J. Davies' Retention Knobs

T.J. Davies' Retention Knobs

Our retention knobs are manufactured above international standards or to machine builder specifications. Retention knobs are manufactured utilizing AMS-6274/AISI-8620 alloy steel drawn in the United States. Threads are single-pointed on our lathes while manufacturing all other retention knob features to ensure high concentricity. Our process ensures that our threads are balanced (lead in/lead out at 180 degrees.) Each retention knob is carburized (hardened) to 58-62HRC, and case depth is .020-.030. Core hardness 40HRC. Each retention knob is coated utilizing a hot black oxide coating to military specifications. Our retention knobs are 100% covered in black oxide to prevent rust. All retention knob surfaces (not just mating surfaces) have a precision finish of 32 RMA micro or better: ISO grade 6N. Each retention knob is magnetic particle tested and tested at 2.5 times the pulling force of the drawbar. Certifications are maintained for each step in the manufacturing process for traceability.