Fine-Pitch Gears

INDUSTRY NEWS | 2025-08-11

MPT Expo Preview: Forest City Gear

Forest City Gear (Booth #419), a precision gear manufacturer based in Roscoe, Illinois, specializes in fine- and medium-pitch custom gears for critical applications in aerospace, defense, robotics, medical instrumentation, and other high-reliability sectors. The company operates two facilities: its primary gear cutting and inspection plant and a dedicated turning facility known as Roscoe Works.

PRODUCT NEWS | 2022-04-25

Gleason Presents Sub-Micron Gear Inspection at Control 2022

With its brand-new 300GMS nano Gear Metrology System, Gleason presents a world- first at Control Show 2022, May 03-06, Stuttgart, Germany. The capability of measuring gears at sub-micron level, executing advanced waviness analysis and evaluating gear noise using the most advanced analytical tools, make the 300GMS nano ideally suited to support automotive e-drive production with minimum noise requirements. 

GEAR TALK WITH CHUCK | 2016-11-22

Thanksgiving

I was going to reflect on how November 22, 1963 changed so many things, but decided it wasn’t an anniversary ending in a five or a zero and I would...

TECHNICAL ARTICLES | 2010-11-01

The Effect of Straight-Sided Hob Teeth

It is well known that hobs with straight-sided teeth do not cut true involutes. In this paper, the difference between the straight side of a hob tooth and the axial profile of an involute worm is evaluated. It is shown that the difference increases as the diametral pitch increases, to the extent that for fine-pitch gearing, the difference is insignificant.