Presentation focuses on recent inventions and innovations (last 4-6 years) in induction hardening of gears and gear-like components, including but not limited to: - “Know-how" in controlling distortion of induction hardened gears. - Simultaneous dual-frequency induction hardening....
AGMA Standards
AGMA 12FTM23-2012 pdf download
Proper control of distortion has become even more important in new powertrain designs. To answer the demand for fuel-efficient vehicles, modern transmissions are built much lighter, therefore the components of the transmission exhibit less wall thickness which...
AGMA Standards
AGMA 12FTM21-2012 pdf download
Steel gears are heat treated to obtain enhanced properties and improved service performance. Quench hardening is one of the most important heat treatment processes used to increase the strength and hardness of steel parts. Defects seen in...
AGMA Standards
AGMA 12FTM20-2012 pdf download
The roughness profile of metal-to-metal contacting parts is one of the most important characteristics in mak- ing mechanical systems more durable and energy efficient. Unquestionably, it is the interaction of the peak asperities from ground or honed...
AGMA Standards
AGMA 12FTM19-2012 pdf download
This paper describes the work performed to reduce 1st order gear mesh vibration which was the root cause of an excessive gear“whine”. |t includes a discussion for introduction of an unmodified involute profile (except for a short...
AGMA Standards
AGMA 12FTM18-2012 pdf download
A low noise level is an important quality feature in modern gearboxes for passenger cars. But a troublesome noise can have many causes. The noise origination and transmission is amongst others affected by the design layout, by...
AGMA Standards
AGMA 12FTM17-2012 pdf download
Speed reducers incorporating cycloidal technology as their primary reduction mechanism have always been active topics of research given their unique trochoidal tooth profile. A cycloidal reducer is recognized for its strength and mainly studied for rotational performance...
AGMA Standards
AGMA 12FTM16-2012 pdf download
This paper presents a gear design optimization approach that was applied to reduce both tooth contact temperature and noise excitation of a high-speed spur gear pair running without lubricant. The optimum gear design search was done using...
AGMA Standards
AGMA 12FTM15-2012 pdf download
A failure mode called“flank breakage" is increasingly observed in different applications of cylindrical and bevel gears. These breakages typically start from the active flank approximately in the middle of the active tooth height and propagate to the...
AGMA Standards
AGMA 12FTM14-2012 pdf download
Most of the large open gear sets for mining industry are designed according to ANSI/AGMA 6014-A06 and ANSI/AGMA 2001-D04. Basically, customer specifications and AGMA service factor ratings both depend on design of the pinion (including material selection...