In order to study the die wear law of rotary fine blanking helical cylindrical gear, a three-dimensional rigid plastic finite element model gear is established on Deform-3D software platform. Based Archard model, this paper analyzes in process, obtains distribution each point working surface die, determines maximum area, and makes comparative analysis with spur gear. Through single factor varia...

Search for an improved gear tooth flank shape arose from heavy industry problems rolling mills. Original involute gears suffered severe damages. So, better teeth flanks should improve contact circumstances, decrease the pressure, and enhance a lubrication film. This was achieved by curved, pole symmetric path of purely graphical methods. And developed gears, proven in applications, showed highl...

Information about the worms’ production technology of spiroid cylindrical gears is given. A method profile analytical calculation a disk abrasive tool proposed, providing possibility to grinding wheels for various types ruled helical surfaces: Archimedean, convolute, involute, etc. The use methodology makes it possible achieve high accuracy in processing active (working) side surfaces hardened ...