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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 […]

Comparative Corrosion Characteristics of Ground and Superfinished Gear Steels

The described effort was undertaken to assess the impact of the isotropic superfinishing (ISF®) process on the corrosion resistance of […]

Exploiting the Potential of Plastic Gears

Plastic gears afford appliance designers dramatic opportunities to reduce drive cost, noise, and weight. However, due to the properties of […]

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, […]

Advances in Molded Polymer Gears

The performance of molded polymer gears continues to improve with new design solutions, improved materials, and higher-accuracy molding. As a […]

Designing Powder Metal Gears

Powder metal (PM) gears are a cost efficient alternative for machined gears in larger series. Synchronizer gears, oil pump gears, […]

Increasing Efficiency with Synchronized Systems

Every manufacturer is faced with the decision at some point: is it time to upgrade equipment and expand my capabilities? […]

Take a PEEK at Polymer

Much has been written about PEEK polymer’s ability to withstand extreme temperature environments and other key properties including strength and […]

Molded Plastic Gear Design

Gear design and development is a complicated art. Ignore or miscalculate the operating and environmental effects and the likely result […]

Powder Metal Gear Conversion

There are many different processes performed in the “powder metal” arena. They range from conventional compacting with sponge iron (low-density, […]

Improvements in Precision Turning

The outcome of performance, and of achieving the results you require when turning precision features on parts, depends on getting […]

New Opportunities with Open Die Forging

True, the unsteady recovery and realigning markets mean business is more difficult for the entire gear industry. Order volumes are […]

A Study in Asymmetric Plastic Spur Gears

The basic weakness of plastic spur gear teeth is tooth fracture brought on by the accumulation of stress at the […]

Fatigue Performance of Prealloyed PM Steel

Powder metal (PM) materials that exhibit excellent heat treated properties and achieve good fatigue performance are needed to convert wrought […]

Low Pressure Carburizing for Transmissions

With the many advances that have taken place to improve quality in the gear industry, it is only logical that […]

Retained Austenite Stabilization

The phenomenon of retained austenite stabilization in tool steels is well documented [1,2]. When a steel with a martensite finish […]

Dimensional Stability in Cryogenic Treatments

When cryogenically treated, case carburized steel (En 353) showed tremendous improvement in wear resistance [1]. This is due to the […]

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