par épisode | Juin 26, 2026 | Engrenages hélicoïdaux
Helical Gear Surface Failure — Pitting, Micropitting and Scuffing Distinguished and Prevented Three distinct surface failure mechanisms affect the tooth flanks of a helical gear — pitting, micropitting, and scuffing — and each requires a different prevention strategy....
par épisode | Juin 26, 2026 | Engrenages hélicoïdaux
Helical Gear Pre-Selection Guide — 7 Questions to Specify the Right Gear First Time A complete helical gear specification requires seven engineering answers — in the right order. Answering them out of sequence — specifying material before the required helical gear...
par épisode | Juin 26, 2026 | Engrenages hélicoïdaux
Helical Gear Torsional Stiffness — Servo Bandwidth, Resonance and Backlash Dead Zone A helical gear pair is not a rigid torsional connection between its input and output shafts — it is a torsional spring whose stiffness is set by the tooth contact geometry and the...
par épisode | Juin 26, 2026 | Engrenages hélicoïdaux
Helical Gears for Rubber Mixer and Extruder Gearboxes — High-Torque, Low-Speed Drive Design The helical gear drives inside rubber mixer and plastic extruder gearboxes are among the highest-torque applications in industrial gear manufacturing: output torques of...
par épisode | Juin 26, 2026 | Engrenages hélicoïdaux
Helical Gear Bore and Keyway Specification — DIN 6885 Key Dimensions, Bore Tolerances and Shaft Connections The bore and keyway of a helical gear determine whether the gear transmits torque reliably to the shaft throughout its service life, or slips, fretts, and fails...
