The purpose of investigations consists in the definition of the dependence of induction electromotive force (EF) upon magnetic and inertial properties of ferromagnetic particles of magneto-vibrating layer, and also upon induction gradient, frequency of a variable component and induction of a direct component of an electromagnetic field. There is offered an induction method for investigations of dispersion ferromagnetic parameters. A principle of operation and basic elements of the design of an experimental plant which allows investigating the impact of the parameters of electromagnetic fields of different topology upon magnetic-vibrating layer characteristics is developed. Two electromagnets with the common inter-pole area are a basic element of the experimental plant realizing the formation of the magneto-vibrating layer of high-dispersion powders. Electromagnet poles were located in such a way that force lines of constant and alternating magnetic fields were mutually perpendicular. A cluster, in the course of its motion relative to coils of an induction sensor, guides an EF in it, a value of which depends upon a magnetic moment of the cluster, speed, amplitude and frequency of its motion. There are obtained analytical expressions for the EF guided in an induction sensor moving by a magnetic dipole. It is shown that a basic contribution to the induction EF is carried out by a magnetic dipole at oscillatory-translation; at changing parameters of an electro-magnetic field changes a motion character of powder material particles. It is proved that the experimental estimate of kinematic characteristics of powder particles in a magnetic-oscillating layer is possible through an induction method.
In the paper there are shown the investigation results of technological equipment unit stiffness by the example of a linear coordinate. The coordinate is carried on the basis of a ball-screw pair and rail guides of rolling. The calculation schemes are considered, theoretical and experimental investigations are carried out.
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