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.

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.

This is a justification for standardizing the adhesive contact parameters of finished surfaces of end gauges and precision parts in connections with maximal adjoining surface areas. A criterion is proposed for evaluating the mutual positions of surfaces in the nanometer range by contact and contactless measurement techniques. Experimental data demonstrating the ineffectiveness of press fits of cylindrical pieces fabricated with nanometer tolerances are presented, along with data on the properties and features of tapered connections.

A method for monitoring the steps in finishing processing and in monitoring the quality of finished components is developed.

New measurement methods and measurement instrumentation with resolution of 0.1 nm are developed that make it possible to achieve objective reliable estimation of the influence that deformations exert on the accuracy with which precision parts are monitored in the nanometric range and to determine the parameters of these deformations.

Studies are carried out for contact and contactless methods of measurement and monitoring plane-parallel gauge blocks and precision components in the nanometer range in order to provide uniformity of linear parameter measurements.

It is established that in certifying gage blocks in an interference comparator, during which precise placing of the measure on a quartz plate is provided by molecular (adhesion) interaction of their measurement surfaces, the corresponding internal stresses and strains are a functional property of the certification method.

It is established that the maximum identification of the stages of different methods for measuring precision components makes it possible to provide convergence of results for monitoring them.

The possibility of measuring article machining parameters and machine tool unit operation from electric parameters is studied; transitional resistance, capacitance, inductance, and their dispersion. The resolving capacity of the new method provides control of the process and finishing quality for treatment of articles at the level of nanometrology.

The possibility of using end gauges, special quartz plates and measuring jaws to model various fittings and connections of articles is investigated. The mutual position and deformations of the joined surfaces and also the effect of different factors on the property of the fittings in connections are considered. The results of the modeling enable one to estimate the optimum achievable accuracy of the fittings and connections of articles.

We consider the advantages of comparator-based methods of measurement and combination of measurement of the lengths of gauge blocks and determination of their coefficients of linear expansion.

Major ways are considered for improving the accuracy in various methods and instruments for measuring linear parameters of precision machine parts.

The first stage in increasing the accuracy of measurements of the linear dimensions of precision parts the exact reproduction of a certified gauge block, is investigated. Recommendations are made on the use of a new method to evaluate the increase in the accuracy of evaluation of unmonitored lapping-in and contact deformations during measurements.

This article examines new methods of objectively evaluating the quality of assembly of blocks of gages. Use of the methods significantly improves the accuracy of the assembled blocks and eliminates hidden errors.

Unique instruments have been developed to objectively evaluate the quality of the working surface of stone and wood products, as well as the quality of abrasive disks used for grinding.

This article presents results of research at the Scientific Research Institute for Measurements (Moscow) on new methods and instruments for evaluating the quality of abrasive surfaces and diamond tools, including installed grinding wheels.

This article presents a fundamentally new method for controlling the position of an object in three-dimensional space by using a microinterferometer. This method assures high accuracy and efficiency. The method can be used for verifying accuracy of contact gauges in position-measuring machinery.

Improvement of calibration accuracy of 1st and 2nd class gauge blocks with the aid of an absolute Kesters interferometer is discussed. Recommendations are proposed for the design of a horizontal interferometer with a two-way measuring circuit for calibration of gauges longer than 100 mm.

The results are described of work by the authors to determine linear expansion coefficients of end gauges by certifying their dimensions with an absolute interferometer.