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March/April 1986

Archive > 1986 > March/April 1986

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Feature Articles

Technical Articles

Controlling Tooth Loads In Helical Gears
Helical gears can drive either nonparallel or parallel shafts. When these gears are used with nonparallel shafts, the contact is a point, and the design and manufacturing requirements are less critical than for gears driving parallel shafts.

A Computer Solution for the Dynamic Load, Lubricant Film Thickness, and Surface Temperatures in Spiral-Bevel Gears
Spiral-bevel gears, found in many machine tools, automobile rear-axle drives, and helicopter transmissions, are important elements for transmitting power.

CNC Gear Shaping
Two major processes used for cutting gears, hobbing and shaping. This article describes advanced machine design and cutter materials for gear shaping.

Departments

Notes From the Editors Desk (Publishers Page)
Sitting down to write my comments for this issue, one event filled my thoughts-the transformation and uninhibited euphoria that overcame Chicago, and the whole Midwest, by the Bears reaching and winning the Superbowl.

Viewpoint (Voices)
I received a letter from Mr. G. W. Richmond, Sullivan Machinery Company, N.H., in which in addition to correcting mistyping, he made several suggestions concerning my article "General Equations for Gear Cutting Tool Calculations."