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Herringbone Gears

PRODUCT NEWS | 2022-10-12

Liebherr Expands Portfolio for Gear Shaping of Double Helical Gears

A newly developed measuring probe now allows Liebherr-Verzahntechnik GmbH the possibility of precise corrective measurement in the gear shaping machine. The measuring probe sits directly on the tool spindle and is therefore in the same coordinate system as the pinion type cutter itself. This reduces inaccuracies which might arise due to a tool change or turning a workpiece and leads to considerably higher quality and process reliability.

GEAR TALK WITH CHUCK | 2018-02-28

It Gets Complicated

Why did something as simple as a standard tooth form fail to get traction? While the old joke about the number of opinions at any meeting of engine...

GEAR TALK WITH CHUCK | 2017-11-14

Herringbones 101

I try to avoid technical matters here in the blog on the grounds that we have an entire magazine to cover the “hard stuff.” Besides, very few topic...

GEAR TALK WITH CHUCK | 2017-11-09

Write it Down

Gear Expo was a wonderful opportunity to meet old friends and make new ones. While I was out collecting swag, purely in support of my reporting dut...

GEAR TALK WITH CHUCK | 2017-02-09

Engineering Economy in 1912

In the same issue of Industrial Engineering that Percy C. Day published his treatise on herringbone gears, Sterling H. Bunnell offered

GEAR TALK WITH CHUCK | 2017-02-07

Gear Technology in 1912

Continuing with that January 1912 issue of Industrial Engineering magazine … Imagine the courage it took to present a seven-page articl...

GEAR TALK WITH CHUCK | 2017-01-26

Way Waaay Back

Writing about my now cumbersome reference library prompted a bit of consolidation and reorganization. Unfortunately, my resolve diminished when I c...

GEAR TALK WITH CHUCK | 2016-09-22

Articles Wanted

In a short chat in the Gear Technology booth at the International Machine Tool Show the topic came up of what sort of articles o...

GEAR TALK WITH CHUCK | 2015-01-22

Trust, but Verify

[starbox] Lest you come away from my last posting thinking I am completely trapped in the past, I’ve invested a fair amount in new software during ...

GEAR TALK WITH CHUCK | 2014-03-19

Limited Opportunities for One-Trick Ponies

When you work as an engineer for smaller companies you get to wear a lot of hats.

GEAR TALK WITH CHUCK | 2014-01-31

Barn Find Gearboxes

TECHNICAL ARTICLES | 2012-09-01

Refurbishing a Ball Mill ; Bevel Gear Backlash

Our experts comment on reverse engineering herringbone gears and contact pattern optimization.

VOICES | 2012-01-01

The Global Challenge to America's Engineering and Innovation Position

John P. Walter and Abby Dress analyze the challenges facing America's manufacturers to remain competitive in a global environment.

PRODUCT NEWS | 2010-08-01

Heller Introduces Gear Manufacturing on Five-Axis Milling Machines

In co-operation with Voith, a major transmission manufacturer in Germany, Heller has developed a process that significantly enhances the productivity of pre-milling and gear milling operations performed on a single 5-axis machining center.

FEATURE ARTICLES | 2010-08-01

Building Repeat Business: What Gear Buyers Really Want from Gear Manufacturers

In this article, gear buyers have been given an opportunity to discuss quality, value, customer service and how gear manufacturers can improve business practices.

PUBLISHER'S PAGE | 2008-01-01

The Graying of the Gear Industry

The gear industry is getting old--fast. What are you doing about it?

VOICES | 2008-01-01

Letters to the Editor

Matt McBride of Riverside Spline & Gear responds to last issue's Voices piece by Fred Young, and Tom Schmitt of Schmitt Design responds to last issue's publisher's page.

EVENTS | 2007-01-01

AGMA Delegates Meet Chinese Counterparts

The AGMA pavilion was a hot spot at October's PTC-Asia show in Shanghai, as evidenced by the intense quoting reported by exhibitors.