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The Chain-Wave Transmission (CWT) is a new type of harmonic drives, which was created at the Armenian Agricultural Academy. In the paper is considered the motion of elements and are constructed motion trajectories of the chain's rollers center at various values of the waves number and multiplicity factor of the CWT. There are received also expressions for determination of displacements, speeds and accelerations of the chain's rollers center depending on rotation angle of the waves generator, is given their analysis and on their basis are specified the basic parameters of the CWT.

In the paper are obtained equations of curves of forms of infinite chain and waves generators of the Chain-Wave Transmission (CWT). The obtained equations represent an equation of second order. In the paper are considered profiles of the waves generators of the CWT for various values of the waves number U. By the analysis of these equations is determined, that at the value of the waves number U = 1 the curve of places of the chain's roller centers assume the circle's shape, at the value U = 2 - the form of an ellipse, and at the value of U ≥ 3 take the parabolic form.

In the paper is described the design and the principle of the operation of the Chain-Wave Transmission (CWT), which uses a multiple-strand roller infinite standard chain and presents analysis of experimental studies results pertaining to the determination of motion trajectories of the chain's roller center of the CWT. A special designed model of the CWT was used to record motion trajectories of the chain roller center, both at the fixed transmitting sprocket and at the fixed interacting sprocket. The analyses of the data confirm the correctness of theoretical conclusions made at graphic and analytical methods of research of the CWT.