Dynamic Test of Contact Tooth Pair Numbers of the N Type Involute Planetary Transmission with Minor Tooth Difference;

Correlation between spin angular momentums and background angular momentums of planets;

Proving Keippler s 3 Laws of Planetary Motion;

By means of the Runge -Lenz s vector the problems of the planets motion around the sun are solved in classical and relativistic cases.

The whole field of planetary gear transmission is dealt -with.

The efficiency of planetary gear trains is discussed.

Comparing many types of transmission,this paper chooses the multiple-level planetary gear transmission to meet the transmission ratio conditions.

The relation between the radial deformation of the central internal gear in planetary gear transmission and the number of planet gears is derived in this paper.

In this paper, the main constraints for the designing of NN type of involute planetary gear transmission are discussed, a concise and practical method for determining the addendum modification coefficients is proposed and some appropriate parameters are provided.

The frameworking planetary carrier in the planet-gear retarder has been considered as a whole with the glue command of the finite-element analysis software-ANSYS,and though the structure static analysing,the distribution of the deformation and stress of planetary carrier has been obtained.

for thin coal bed with iron ore and analyze the planetary carrier with this method.

Secondary flow of power-law fluid flow in annulus with inner cylinder executing a planetary motion;

Normal stress distribution on the inner cylinder forced by power law fluid flowing in annulus with inner cylinder executing a planetary motion;

The secondary flow in Newtonian fluid flow in annulus with the inner cylinder executing a planetary motion;

Making use of the solid modeling, subjunctive assembling and mechanism imitating functions of Pro/Engineer, the gear s parametric design, the subjunctive assemble of the gears with the related parts to make a planetary gear system as well as the gear system s motion simulation are.

This essay describes the application of the cylinder cram mechanism and the planetary gear system in the multi head anti stealing cover seal mechanism.

3D solid models of involute planetary gear system are created by Pro/Engineer and imported to RecurDyn,the muti-body dynamics simulation software,in which the models are analyzed.

Design theory and application of planet gear style wobble box;

The influence of allocation of systematic parameters on the reliability of multi-staged planet gear transmission;

Design of continuous automatic indexing mechanism in compound planet gears;