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- W4387674114 abstract "Purpose. Increase of the competitiveness is the important scientific and practical task in machine building. The press is the stationary equipment, but reduction of weight of its elements, in particular – columns, reduces manufacturing cost, facilitates transportation and installation, therefore assists in increase of product attraction at market relations. The purpose is to reduce press column weight without complication of technological process of its manufacturing and without additional expenses for a concrete one-columned press by means of structure optimization.
 Research methods. The mathematical model has been developed on the basis of formula of combined strength of materials. The pure bending with tension results from operation of one-columned press. Multicriterion optimization has been carried out by means of computer facilities. Calculation was carried out by means of the program written in language Basic.
 Results. The press П6330 with box-shaped cross-section has been chosen as a base variant. The optimal geometrical dimensions have been determined for the offered T-shaped welded cross-section of a column. Technological process of manufacturing of such column is simplified.
 Scientific novelty. The T-shaped welded column cross-section has been offered for the purpose of modernization. Such cross-section scheme is more perspective and technological. The following 3 criteria have been chosen at multicriterion optimization carrying out: equal strength with the base variant, the greatest uniformity of distribution of stress by cross-section, the least area of cross-section. The main geometrical dimensions of cross-section have been chosen as 4 variable parameters. It was considered, that thickness of metal sheet is discrete and standard.
 Practical value. Multicriterion optimization that had been carried out provides reduction of column weight approximately by 45 % for the modernized variant without increase in dimensions of cross-section. It gives the opportunity to reduce considerably the column manufacturing cost in comparison with a base variant, and also to facilitate transportation and installation of the press." @default.
- W4387674114 created "2023-10-17" @default.
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- W4387674114 date "2023-10-11" @default.
- W4387674114 modified "2023-10-17" @default.
- W4387674114 title "MULTICRITERION OPTIMIZATION OF PRESS COLUMN CROSSSECTION" @default.
- W4387674114 doi "https://doi.org/10.15588/1607-6885-2023-3-9" @default.
- W4387674114 hasPublicationYear "2023" @default.
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