| Issue |
MATEC Web Conf.
Volume 129, 2017
International Conference on Modern Trends in Manufacturing Technologies and Equipment (ICMTMTE 2017)
|
|
|---|---|---|
| Article Number | 01063 | |
| Number of page(s) | 4 | |
| Section | Modern Manufacturing Technologies, Tools and Equipment | |
| DOI | https://doi.org/10.1051/matecconf/201712901063 | |
| Published online | 07 November 2017 | |
Solution of the problem of negative value of the linear technological size
1
Omsk State Technical University, Mira 11, Omsk, 644050, Russia
2
Sholom-Aleichem Priamursky State University, Shirokaya 70a, Birobidzhan 679015, Russia
3
National Research Tomsk Polytechnic University, Lenina 30, Tomsk 634050, Russia
* Corresponding author: masyagin@omgtu.ru
The calculation of the linear technological sizes is one of necessary design stages of technological processes of machining. A problem is that with performance of calculation of the linear technological sizes negative value of the technological size sometimes turns out. In the article consideedr an example of calculation, in which appears negative value of the technological size. The calculation is carried out on the technique with use of the chart of processing and the computer program which is carrying out automatic construction and the decision of the equations of dimension chains. As a result of the study, it was found that the appearance of a negative value when calculating the technological dimensions is not an error, this is due to the uncertainty of the positions of the technological size boundaries before calculation.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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