Results 111 to 120 of about 2,796 (234)
Spiral Bevel Gears Face Roughness Prediction Produced by CNC End Milling Centers. [PDF]
Materials (Basel), 2018 Álvarez Á +4 more
europepmc +1 more source
Dynamic modeling and analysis of the rotor-stator coupling system of a coaxial contra-rotating gearbox. [PDF]
Sci Rep, 2023 Zhang D, Cui J, Zhu R, Li M.
europepmc +1 more source
Review of the transmissions of the Soviet helicopters [PDF]
A review of the following aspects of Soviet helicopter transmissions is presented: transmitted power, weight, reduction ratio, RPM, design configuration, comparison of different type of manufacturing methods, and a description of the materials and ...
Chaiko, Lev I.
core +1 more source
Precision Forging Technics and Precision Forging Machining Experiment of Driven Spiral Bevel Gear
Jixie chuandong, 2016 In actual gear manufacturing,there is a large part of spiral bevel gears with big transmission ratio,and its driven gear cone angle is larger than sixty degrees.
Zhang Hua +4 more
doaj
Rotorcraft transmissions [PDF]
Highlighted here is that portion of the Lewis Research Center's helicopter propulsion systems program that deals with drive train technology and the related mechanical components.
Coy, John J.
core +1 more source
Rotary bead dropper and selector for testing micrometeorite detectors Patent [PDF]
, 1968 Rotary bead dropper and selector for testing micrometeorite ...
Secretan, L.
core +1 more source
Acoustic signal-assisted detection method of spiral bevel gears based on PSO-MCKD
Jixie chuandongObjectiveAiming at the problems of cumbersome operation and strong subjectivity of the traditional detection method for the transmission accuracy of spiral bevel gears, an acoustic signal-assisted detection method for judging the transmission accuracy of
LI Xianshan +4 more
doaj
The NASA Lewis Research Center and the U.S. Army Aviation Systems Command share an interest in advancing the technology for helicopter propulsion systems.
Coy, John J.
core +1 more source
NASA transmission research and its probable effects on helicopter transmission design [PDF]
Transmissions studied for application to helicopters in addition to the more conventional geared transmissions include hybrid (traction/gear), bearingless planetary, and split torque transmissions. Research is being performed to establish the validity of
Coy, J. J. +2 more
core +1 more source
Acoustic Signal Aided Detection Method of Spiral Bevel Gears Based on PSO-MCKD
Jixie chuandongAiming at the problems of cumbersome operation and strong subjectivity of the traditional detection method for the transmission accuracy of spiral bevel gears, an acoustic signal-assisted detection method for judging the transmission accuracy of spiral ...
Li Xianshan +4 more
doaj