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Home » Topics » Heat Treating » Induction Hardening

Induction Hardening
Induction Hardening RSS Feed RSS

Assimilation

September 2, 2020
Charles D. Schultz
No Comments
One of the reasons I strongly advocate for “promoting from within” is that many recruitments fail. Real life is not Star Trek, your compan...
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The Personal Touch

April 19, 2019
Charles D. Schultz
No Comments
Our most recent guest blogger, Joe Arvin, demonstrates the importance of the personal touch in business. As I mentioned in my introduction to his s...
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Gone but Not Forgotten

February 28, 2019
Charles D. Schultz
No Comments
Continuing our discussion of veteran machine tools, it occurs to me that many of our younger readers may not be aware that the United States was on...
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Exploding the Study Layout

August 23, 2018
Charles D. Schultz
No Comments
In the old day...
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Pushing Boundaries

March 1, 2018
Induction hardening is becoming an increasingly popular alternative to thermochemical diffusion processes such as carburizing, and as it does so, manufacturers are on a never-ending quest to expand the scope of what's possible with the technology.
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EMAG Eldec Induction Hardening Systems Offer Precision Hardening, Lower Power Consumption

January 15, 2016
EMAG subsidiary Eldec has developed modular induction hardening systems. The technology ensures efficient processes that integrate harden...
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Liebherr - Barber Colman Hob Settings

September 1, 2015
Hans Grass
I would like some instructions for setting the degrees and minutes on a Liebherr or Barber Colman hob. Our machines use a Vernier scale to match the lead angle of the cutter to the part to form straight teeth. There is a dispute on how to do this task, and I wanted insight from another professional.
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Innovative Induction Hardening Process with Pre-heating for Improved Fatigue Performance of Gear Component

July 1, 2014
Contact fatigue and bending fatigue are two main failure modes of steel gears, while surface pitting and spalling are two common contact fatigue failures -- caused by alternating subsurface shear stresses from the contact load between two gear mates. And when a gear is in service under cyclic load, concentrated bending stresses exist at the root fillet -- the main driver of bending fatigue failures. Induction hardening is becoming an increasingly popular response to these problems, due to its process consistency, reduced energy consumption, clean environment and improved product quality -- but not without issues of its own (irregular residual stresses and bending fatigue). Thus a new approach is proposed here that flexibly controls the magnitude of residual stress in the regions of root fillet and tooth flank by pre-heating prior to induction hardening. Using an external spur gear made of AISI 4340 as an example, this new concept/process is demonstrated using finite element modeling and DANTE commercial software.
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What Did They Know and When Did They Know It?

March 7, 2014
Charles D. Schultz
No Comments
[starbox] No, I am not launching a criminal investigation. The title of this posting summarizes my ongoing study of the history of gear ratings....
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Hardening Technology Focuses on Dimensional Accuracy

March 1, 2014
New technology from Eldec/EMAG helps control the induction hardening process.
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