Results 81 to 90 of about 17,490 (206)
Torsional spring-loaded antibacklash gear which can improve the transmission precision is widely used in many precision transmission fields. It is very important to investigate the dynamic characteristics of antibacklash gear. In the paper, applied force
Zheng Yang +4 more
doaj +1 more source
Profile modification to minimize spur gear dynamic loading [PDF]
An analytical computer simulation program for dynamic modeling of low-contact-ratio spur gear systems is presented. The procedure computes the static transmission error of the gears operating under load and uses a fast Fourier transform to generate the ...
Lin, Hsiang Hsi +2 more
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Reduction of gear pair transmission error with tooth profile modification [PDF]
The gear noise problem that widely occurs in power transmission systems is typically characterised by one or more high amplitude acoustic signals. The noise originates from the vibration of the gear pair system caused by transmission error excitation ...
Alfano, G +2 more
core
Measuring cellular traction forces on non-planar substrates
Animal cells use traction forces to sense the mechanics and geometry of their environment. Measuring these traction forces requires a workflow combining cell experiments, image processing and force reconstruction based on elasticity theory.
Dreissen, Georg +6 more
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To analyze the influence mechanism of pitch deviation on cylindrical helical gear meshing stiffness and vibration noise, the calculation methods about meshing stiffness and engaging vibration of helical gear which consider actual pitch deviations are ...
Feng Wang +3 more
doaj +1 more source
Effect of contact ratio on spur gear dynamic load [PDF]
A computer simulation is presented which shows how the gear contact ratio affects the dynamic load on a spur gear transmission. The contact ratio can be affected by the tooth addendum, the pressure angle, the tooth size (diametral pitch), and the center ...
Lin, Hsiang Hsi +3 more
core +1 more source
Nonlinear Dynamic Analysis of a Spur Gear Pair System with Wear Considering the Meshing Position
In this paper, a nonlinear dynamic model of a parallel shaft gear system consisting of two involute spur gears is developed to investigate the coupling effect between the gradual surface wear of gear teeth over time and nonlinear dynamic characteristics.
Zhibo Geng +5 more
doaj +1 more source
Study on the Time-varying Mesh Stiffness of Speed-increasing Gear Pair with Non-uniform Wear
Taking an involute cylindrical speed-increasing gear pair as the research object, the tooth surface contact pressure and the relative sliding velocity are deduced to establish the non-uniform wear model of the spur gear pair based on the Hertz contact ...
He Zeyin +3 more
doaj
New forms of adjustable fluid film hydrodynamic bearings have shown great potential for suppressing vibrations and maintaining accuracy of location of rotational centres.
Martin, Keith
core
Gear mesh stiffness is the foundation of the study on gear dynamics.Taking the spur gear as research object,the finite element model of the spur gear with root crack is established,and the accurate calculation method of gear mesh stiffness is proposed ...
唐进元 +3 more
doaj

