Natural Frequencies & Modal Properties of Compound Planetary Gears
This paper presents the structured vibration mode and natural frequency properties of compound planetary gears of general description, including those […]
The Team Approach to Precision Plastic Gearing
Since antiquity, gears and gear systems have constantly been developed and improved. This continuing process includes the evolution of plastic […]
Direct Design for High-Performance Gear Transmissions
This paper presents a unique methodology for designing gears to enhance strength and life while allowing size and wear reduction. […]
Straight Bevel Gears on Phoenix Machines Using Coniflex Tools
Manufacturing of straight bevel gears was in the past only possible on specially dedicated mechanical machines. Such machines are by […]
A Solid State of Affairs
Testing for the Evaluation of the Oils Lubricants are essential in maintaining the condition of fixed or mobile assets. Any […]
Surface Hardening: Hard Turning or Grinding?
Hard turning and grinding are competing finishing processes for the manufacture of precision mechanical components such as bearings, gears, cams, […]
Estimating Gear Fatigue Life
Fatigue failure of gears can lead to the catastrophic failure of equipment, taking into account that gears are important elements […]
Synthetic Lubricants for Real Results
For centuries lubricants have been utilized as a way to reduce friction and wear on moving parts. In 2005, approximately […]
Planetary Gear Parametric Instability
Parametric instability is investigated for planetary gears where the fluctuating stiffness results from the changing contact conditions at the multiple […]
Face-off: Face Hobbing vs. Face Milling
Less than 10 years ago the selection of machinery was a system decision; presently continuous indexing (face hobbing) and single […]
Bending Fatigue of Surface Densified Gears
Surface densified powder metal gears and conventional wrought steel gears were tested using a pulsator and a back-to-back gear tester […]
Gaining the Edge in CBN Tool Performance
Users of “superhard” materials such as CBN (cubic boron nitride) in cutting tools commonly believe that chamfering — also known […]
Improving Energy Efficiency with the Proper Gear Oils
Many factors come into play when selecting gear oils, including the projected life of a gearbox, its seals, and the […]
Surface Enhancement: The Mikronite Process
Friction and wear can be found in every moving object, from the cars we drive to the lifesaving devices used […]
A Novel Hob Design for Precision Involute Gears Part II
Abstract This paper is aimed at the development of a novel design of precision gear hob for the machining of […]
New Links in the Production Chain
The form grinding process has dramatically increased the efficiency of gear grinding machines, and consequently the productivity of gear shops. […]
Comparing Castings and Forgings
Material selection is one of the most crucial decisions made in the design, manufacture, and application of large structural components. […]
A Novel Hob Design for Precision Involute Gears Part I
Abstract This paper is aimed at the development of a novel design of precision gear hob for the machining of […]
The Art and Science of Broaching
Broaching is one of the most productive and precise metal-cutting operations performed today. It’s also one of the most misunderstood. […]
Determining Gear Efficiency
Abstract: This paper presents an original method for determining the efficiency of the gear. The originality of this method relies […]
