We propose and have tested a method of determining linear thermal expansion coefficients, which is not affected by the influence of thermal deformation of structural elements of the measuring system on the results determining these coefficients. We present recommendations for the application of the developed methodology.

Предложена и опробована методика определения температурных коэффициентов линейного расширения концевых мер длины, позволяющая исключить влияние температурных деформаций конструктивных элементов измерительной системы на результаты определения этих коэффициентов. Даны рекомендации по применению разработанной методики.A procedure for determination of temperature coefficients of end standards of meter linear expansion was proposed and practically tested. It allows to exclude the effect of thermal deformations of measurement system constructive parts on the results of there coefficients determination. The recommendation on procedure application are also presented.

The influence of temperature deformations of end measures of length on the process of monitoring precision parts is examined. An experimental-analytic method for determining temperature deformations of end measures of length is proposed and experimentally tested for use in linear measurements in the nanometer range.

Results of the development of a series of precision devices for active control of the manufactured precision of articles in the course of treatment are presented. The operating principles are described and the characteristics of such devices for controlling the treatment of shafts and holes are presented.

Experience gained in the design of a series of modern plate-measuring engines, including those with submicrometric accuracy, is described. The technical characteristics, structural designs, and features of the software packages of the engines are presented.

Experience gained in the development of a modern computerized precision device for measurements of the deviations of the form of elements of parts of the type of bodies of revolution is described. Design solutions used in the development of the mechanical part of a device, the measurement and driving electronics, and the software are described. The characteristics of the basic functional capabilities and metrological indicators of the device are compared with those of analogous devices from the world’s leading manufacturers.

Представлены результаты разработки ряда прецизионных приборов для активного контроля точности изготовления изделий в процессе обработки. Описаны принципы работы и приведены характеристики таких приборов для контроля обработки валов и отверстий.The results of development of a set of precise instruments for active control of accuracy of products manufacturing processing are presented. The operation principles of shafts and holes processing control instruments are described and characteristics are presented.

Описан опыт по разработке современного компьютеризированного прецизионного прибора для измерений отклонений формы элементов деталей типа тел вращения. Описаны проектно-конструкторские решения, использованные при разработке механической части прибора, измерительно-приводной электронной части и программно-математического обеспечения. Приведена сравнительная характеристика основных функциональных возможностей и метрологических показателей разработанного прибора с аналогичными приборами ведущих мировых производителей.The development of instrument for especially precision parts form and surface roughness deviation measurement of development of up-to-date computerized precise instrument for figure of revolution type parts form deviations measurement - is described. The design solutions for development of instrument mechanical part, measuring and driving electronics and software are described. The main functions and metrological indices of the instrument are compared to those of the world leading manufacturers.

Описан опыт проектирования серии современных координатно-измерительных машин, в том числе и с субмикрометровой точностью. Приведены их технические характеристики, конструктивные решения, особенности программно-математического обеспечения.The experience in design of the series of modern domestic plate–measuring engines including those with submicrometer accuracy – is described. The technical characteristics, design solutions and the software peculiarities are considered.

Рассмотрено влияние температурных деформаций конструктивных элементов измерительных систем на процесс контроля прецизионных деталей. Предложен и опробован метод определения температурной деформации измерительной стойки, который можно применить к приборам, используемым для линейных измерений в нанометровом диапазоне.The influence of temperature deformation of construction elements of measuring instruments on the high-precision components control process is considered. A method of determination of measuring stand temperature deformation is suggested and tested. This method is applicable to the used for linear measurements in nanometer range.

The influence of temperature deformations of structural elements of measurement systems on the process of control of precision parts is considered. A method of determining the temperature deformation of measuring stands is proposed and tested. The method may be applied to devices used for linear measurements in the nanometric range.