Results 91 to 100 of about 3,279 (236)

Full-scale transmission testing to evaluate advanced lubricants [PDF]

Experimental tests were performed on the OH-58A helicopter main rotor transmission in the NASA Lewis 500 hp helicopter transmission test stand. The testing was part of a lubrication program. The objectives are to develop and show a separate lubricant for
Decker, Harry J., Lewicki, David G., Shimski, John T.   +2 more
core   +1 more source

Analysis on the Influence Factors of Bulk Temperature of the Meshing Gear of a Nutation Drive with a Double Circular-arc Spiral Bevel Gear

Jixie chuandong
The meshing temperature affects the fatigue, vibration, noise and other behaviors in the nutation transmission process of the double circular-arc spiral bevel gear, which cannot be ignored in the life prediction and mechanical response of the double ...
Chen Ying, Yao Ligang, Wang Xingsheng, Zhang Dawei, Wang Xueying   +4 more
doaj  

Investigation of Spiral Bevel Gear Condition Indicator Validation via AC-29-2C Using Fielded Rotorcraft HUMS Data [PDF]

This report presents the analysis of gear condition indicator data collected on a helicopter when damage occurred in spiral bevel gears. The purpose of the data analysis was to use existing in-service helicopter HUMS flight data from faulted spiral bevel
Antolick, Lance J., Dempsey, Paula J., Thomas, Josiah, Wade, Daniel R.   +3 more
core   +1 more source

Research on global form deviations for spiral bevel gear based on latticed measurement

Journal of Measurement Science and Instrumentation, 2012
In order to improve the machining accuracy of spiral bevel gear,difference surface was adopted to characterize its global form deviations quantifiably and correct its deviations.The theoretical tooth surface model of spiral bevel gear was built,and the ...
XU Zhong-si1, SU Tie-xiong1, JIN Lei2
doaj  

Simulation of Double Circular Arc Profile Spiral Bevel Gear Form Grinding Machining based on VERICUT

Jixie chuandong, 2020
The feasibility of machining double circular arc profile spiral bevel gear by numerical control forming grinding method is verified by VERICUT machining simulation.The tool path of the bevel gear and the tooth surface equation of the circular arc profile
He Zhiwei, Duan Jianzhong, Li Youzhi
doaj  

Development of a full-scale transmission testing procedure to evaluate advanced lubricants [PDF]

Experimental tests were performed on the OH-58A helicopter main rotor transmission in the NASA Lewis 500-hp Helicopter Transmission Test Stand. The testing was part of a joint Navy/NASA/Army lubrication program.
Decker, Harry J., Lewicki, David G., Shimski, John T.   +2 more
core   +1 more source

Analysis and Verification of Traveling Wave Resonance Characteristics of a Spiral Bevel Gear System

Jixie chuandong
A spiral bevel gear system of the aero-engine is taken as the research object. A method of gear system-level traveling wave resonance characteristics analysis of bevel gears is proposed.
Jia Yaping, Qian Lulu, Zhang Huanzhang, Lou Peng   +3 more
doaj  

航空弧齿锥齿轮铣削加工残余应力分析

Jixie chuandong, 2012
The reason of producing residual stress in milling processing of spiral bevel gear by investigating lots of existed literatures is analyzed,and part of three-dimensional model of gear blank and milling tool based on real size is established.The motion of
王延忠, 吴林峰, 陈燕燕, 唐文, 吕庆军, 戈红霞, 张祖智   +6 more
doaj  

The designing and modeling of equal base circle herringbone curved bevel gears. [PDF]

Sci Rep, 2023
Zhang R, Zhang B, Fu S.
europepmc   +1 more source

Kinematic precision of gear trains [PDF]

Kinematic precision is affected by errors which are the result of either intentional adjustments or accidental defects in manufacturing and assembly of gear trains. A method for the determination of kinematic precision of gear trains is described.
Coy, J. J., Goldrich, R. N., Litvin, F. L., Zaretsky, E. V.   +3 more
core   +1 more source