Abstract
This article presents the results of a study of the influence of gear manufacturing errors on the smooth operation of the reducer of the mechanical drive of the oil pumping unit based on a specially developed 3D modeling technique for the formation of kinematic error. This technique consists in constructing a three-dimensional solid-state model of a gear transmission with specified primary errors of the wheels and subsequent modeling of the gear engagement operation. Models of gears are obtained as a result of modeling the tooth-cutting process. This makes it possible to include manufacturing errors in the gear models caused by various technological reasons, such as, for example, fluctuations in the chain links of the machine, the beating of the cutting tool and the workpiece, errors in the cutting edges of the tool, errors in the installation of cutting tools, etc. The simulated graphs of the kinematic error of gears consisting of wheels are given, which contain the main manufacturing errors affecting the smooth operation of the reducer of pumping unit (errors in the lateral profile of the teeth, the error of the gearing step). Keywords: pumping unit, reducer, errors, working capacity.
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