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Home » Topics » Manufacturing » Cutting Tools » Hobs

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Sandvik Coromant Wins Best Plant Award

August 17, 2022

Sandvik Coromant, has earned the 2022 IndustryWeek Best Plants Award for its Westminster, South Carolina, production site. The award is given to North American manufacturing plants that lead their industries in outstanding operational excellence, customer service and employee engagement.


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Hobbing and Chamfer Cutting

Efficient, Flexible Gear Manufacturing on a Single Machine
May 18, 2022
Gottfried Klein

It wasn’t long ago that cylindrical gear chamfering and deburring was almost an afterthought. Now the process ranks as high in importance as hobbing, shaping and grinding. Seemingly every gear manufacturer, particularly those developing transmission gears for e-drive applications, recognizes that anything less than a flawless tooth flank can result in premature transmission failure, less-than-optimal efficiency, and unacceptable noise. Thus, generating a chamfer to precise customer specifications is critical to minimize the potential for sharp, brittle edges after heat treat; avoid edge load situations in the gearbox; and eliminate excessive stock and hardened burrs in the tooth flank prior to the hard finishing operations (conditions which can greatly diminish tool life).


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Sandvik Coromant appoints two new members to its management team

May 17, 2022

Sandvik Coromant has appointed two new members to its management group. Michael Eneberg began his new role as vice president and head of global sales on May 1, 2022, while Nicolas Dellachiesa will join as head of merger and acquisitions (M&A) in June. Reporting to Sandvik Coromant President, Helen Blomqvist, both Eneberg and Dellachiesa will play vital roles in driving the company’s global growth forward.


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Advantages of Chamfering

May 14, 2021
Gottfried Klein
No Comments
State-of-the-Art Chamfer Cutting Technologies for Cylindrical Gears
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Lessons Learned

February 24, 2021
Charles D. Schultz
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No one succeeds in any field without help. Fifty years ago, I filled out a job application, took a physical, and counted t...
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Selecting Correct Size of Hob/Gashing Cutter

August 1, 2020
How does one select the correct size of hob/gashing cutter like hob OD, length and number of flutes for teeth cutting process based on tip circle diameter and face width of job?
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Family Recipes

May 27, 2020
Charles D. Schultz
No Comments
My last post on helix angles and the constraining theories adopted at some shops reminded me that younger readers might not be aware that there was...
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Ask the Expert: 5/20/20 Edition

May 20, 2020
Charles D. Schultz
No Comments
From time to time I’ll be doing some brief Ask the Expert questions and answers. These questions will be on topics that might be very familiar ...
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Claude Gosselin: Gears — Why Not?

June 18, 2019
Charles D. Schultz
No Comments
When I graduated as a mechanical engineer in 1978, I landed a job in the “cold section” at Pratt & Whitney Canada (PWC) in Montreal. In those d...
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Rob Swiss — The Accidental Engineer

June 11, 2019
Charles D. Schultz
No Comments
Another young man discovers you need not be an expert machinist to succeed as a gear engineer. Spoiler alert: never tangle with a grinding wheel; they are undefeated in all time.
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