Digital marketing and social networks

The rapid development of digital communication technologies, the spread of Internet access to the population, the growing number of smartphones, increasing the number of social network users and other factors are the reason for the sharp growth of online operations and services in recent years. In 2020, the Covid-19 epidemic was added to this list of factors, creating an additional impetus for the growth of online business. This situation causes significant changes in the implementation of marketing activities by enterprises.

Gears with Asymmetric Tooth Profiles and New Alternative Method of Their Manufacturing

The article presents a new gears cutting process – radial circular generating method and describes its multiple benefits for manufacturers of transmissions. The overall increase of efficiency is realized due to using a simple tool and the conventional gear tool machine for cutting gears of different types. In particular, this new method was used for cutting gears with the asymmetric profiles of wheel teeth, which allows considerably amplifying power transmission density, increasing load capacity, and reducing size and weight.