June 2017

gt0124

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Get Smarter at Gear Expo

There are many benefits to attending Gear Expo, but if you're not taking advantage of the educational opportunities, you're missing out.

Technical Articles

Twist Control Grinding

This paper introduces the latest process developments for the hard-finishing of gears, specifically in regard to controlling the so-called flank twist.

Surface Structure Shift for Ground Bevel Gears

Ground bevel and hypoid gears have a designed motion error that defines parts of their NVH behavior. The surface structure is defined by the hard finishing process.

Designing Very Strong Gear Teeth by Means of High Pressure Angles

The purpose of this paper is to present a method of designing and specifying gear teeth with much higher bending and surface contact strength (reduced bending and surface contact stresses). This paper will show calculation procedures, mathematical solutions and the theoretical background equations to do this.

Feature Articles

Gear Grinding Today

New divisions, open houses and the continued rise of the Industrial Internet of Things - There's been a lot going on in gear grinding in the past year.

Wind Turbine Gearbox Reliability

A high number of wind turbine gearboxes do not meet their expected design life, despite meeting the design criteria of current bearing, gear and wind turbine industry standards and certifications.

Testing 1-2-3

Software updates for the gear industry. What's new and noteworthy in software applications in 2017?

Anatomy of a Rebuild

Nuttall Gear taps Machine Tool Builders for shop floor upgrades.

Ask the Expert

Ground and Hobbed Globoidal Worm Sets

A reader wants to know: Are profile ground and hobbed globoidal worm sets better than multi-axis CNC generated globoidal worm gear sets for reduction of noise and vibration?

Addendum

Babbage's Engines

Though we think of the computer as a distinctly 20th Century invention, Charles Babbage designed several precursors way back in the early 1800s.

Product News

Product News

The complete Product News section from the June 2017 issue of Gear Technology, featuring the latest from Liebherr, Heller, Sandvik Coromant, Mahr and more.

Industry News

Industry News

The complete Industry News section from the June 2017 issue of Gear Technology.

Events

Calendar

The technical Calendar from the June 2017 issue of Gear Technology.