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Initial prerequisites for the development of technology for turning welded parts

Initial prerequisites for the development of technology for turning welded parts

Abstract

The initial prerequisites for the development of technology for turning welded parts are determined, which include the calculation of allowances and boundary dimensions of the product in accordance with technological transitions and the thickness of the welded coating. An approach to setting the depth of cut is proposed, which ensures that the coating layer on the machined part has the best and most stable properties, which gives the product better performance, in particular, greater wear resistance. In general, the average depth of cut can be determined using the curve of the relative bearing surface of the coating profile, and, taking into account the Hirst method, the variable part of the depth of cut during coating processing can be determined through the fractal dimension of the surface profile. Some approaches to determining the cutting speed based on the requirements for ensuring the quality of the deposited coating layer and the stability of the cutting tool, as well as the geometric parameters of the tool, taking into account the properties of the material being processed, are considered.

Визначено вихідні передумови розробки технології точіння наплавлених деталей, які включають розрахунок припусків та граничних розмірів виробу відповідно до технологічних переходів і товщини наплавленого покриття. Наведений підхід до встановлення глибини різання, яка забезпечує наявність у шарі покриття на обробленій деталі найкращих і найбільш сталих властивостей, що надає виробу кращі експлуатаційні показники, зокрема більшу зносостійкість. У загальному вигляді середня глибина різання може бути визначена за допомогою кривої відносної опорної поверхні профілю покриття, а з урахуванням методу Херста змінну частину глибини різання під час оброблення покриттів може бутивизначено через фрактальну розмірність профілю їхньої поверхні. Розглянуто деякі підходи до визначення швидкості різання, які базуються на вимогах забезпечення якості шару наплавленого покриття і стійкості різального інструменту, та геометричних параметрів інструменту з урахуванням властивостей оброблюваного матеріалу.

Keywords

deposited part; machining allowance; cutting mode parameters; geometric parameters of tool, наплавлена деталь; припуск на механічну обробку; параметри режиму різання; геометричні параметри інструменту

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold