Gear Design Relevant Cleanness Metrics
The “Metallurgical Specifications for Steel Gearing” information sheet (AGMA 923-B05) [1] details non-metallic inclusion limits to meet AGMA grade expectations […]
Developing a Lighter, Stronger, and Cleaner Air-Melt Steel for Critical Applications
Steel components, particularly those used in critical applications such as bearings and fuel injection systems, are increasingly expected to be […]
Advantages of Direct Gear Design For Automotive Polymer Gear Drives
Invention of the gear-generating machining process that uses the gear rack shape tooling cutting edge (as shown in Figure 1) […]
A Comparison of Wrought Steel Gears and Surface – Densified Powder Metallurgy Gears
Automotive transmission gears are responsible for transmitting torque from the engine to the wheels. In the process of transferring torque, […]
High Temperature Vacuum Carburizing Drives Alloy Development
Vacuum carburizing (low pressure carburizing, or LPC) is a process used to impart hardness, wear resistance and increased fatigue life […]
Induction Hardening for Wind Turbine Bearing Rings
It seems nothing — not even a worldwide financial crisis — can stop the rise of wind energy. The 2008-12 […]
Molecular Decomposition Process = Electrochemical Assisted Precision Form Grinding
Introduction Molecular decomposition process is an electrochemical grinding process that has been refined to enable: • The removal of increased […]
Forging: 101
Introduction PeripWhen buyers must select a process and supplier for the production of a critical metal component, they face an […]
Application of ICME to Optimize Metallurgy and Improve Performance of Carburizable Steels
Introduction QuesTek Innovations LLC (“QuesTek”) of Evanston, IL uses its proprietary Materials by Design® expertise and technology in conjunction with […]
Powder Metallurgy of High Density Helical Gears
Powder Metallurgy is a proven technology to produce high strength gears for the automotive industry. Advances in powder production, compaction, […]
A New Standard Under Development: Specifying Powder Metallurgy Gears
In the early nineties, I was working at a transmission manufacturing facility in Indiana that made lawn and garden transmissions. […]
Failure Analysis of H13 Gear Blank Forging Dies
Forging is defined as the process of working hot metal into a desired shape by impact or pressure1. The hot […]
Ductile Iron for Open Gearing – A Current Perspective
Gears made for applications in the mining and cement industries cover a wide range in terms of size and transmitted […]
Cost Reduction Using Powder Metal for Pump and Metering Gears
Powder Metal (PM) gears are used in pumps across a wide spectrum of industries. These include lube pumps for power […]
From Many, One
In June 2013, a $1B industrial equipment manufacturer was on a cost savings mission for an assembled worm gear that […]
Powder Metal Gears, Part IX
In Part IV, Macro Design was discussed and a corrugated web was presented. The idea of the corrugated web came […]
Casting, Forming, and Forging
There are many methods for manufacturing gears, including: Metal removal processes (hobbing, shaping, milling, shaving, grinding, honing, and lapping) Various […]
Induction Heating: A Guide to the Process and Its Benefits
Induction hardening is being increasingly used within the gear industry. However, before looking at the advantages of the method, it […]
Cryogenics Comes of Age
Manufacturing innovations that impart better performance, cost savings, and longer component life are typically expensive, require new equipment, and new […]
Processing New Gear Steels
Carburized steel gears are widely used for power transmission in rotorcraft, transportation vehicles, agricultural and off-road equipment, industrial rotating equipment, […]
