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Testing and Validation of Powder Metal Gears in a 6-Speed Manual Transmission

A 6-speed manual transmission was redesigned and optimized using powder metal steel as the gear material. The design work was […]

Polymer Composite Bases for Machine Foundations

A properly designed base foundation is crucial to the success and longevity of the machine. Designers have historically resorted to […]

State of the Art in Microstructure and Metallurgy Modeling

Anticipating the microstructure evolution during the manufacturing process has long been a major concern for specific industries such as aerospace. […]

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 […]

Forging: 101

Introduction PeripWhen buyers must select a process and supplier for the production of a critical metal component, they face an […]

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 […]

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, […]

Numerical Modelling Of Hot Forming and Heat-Treatment of Annular Gears

During the last two decades, there has been very intense research activity in the field of finite element simulation in […]

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 […]

ONLINE EXCLUSIVE: Gear Molding – Where It’s Heading

Plastic gears are growing larger, more precise, more complex in geometry and more powerful. High performance resins and long-fiber compounds […]

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 […]

A Plastic Gear Design Update

Plastic gears have a long history in autos, appliances, office equipment, tools, and elsewhere. Designers continue to extend their use […]

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 […]

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