DESIGNING THE CONTENT OF GRAPHIC KNOWLEDGE IN THE CAD SYSTEMS ENVIRONMENT

The information support of the product life’s cycle requires to produce and to design this product with the help of the modern graphic CAD packages by creating an information model. In this regard, the question of the introduction of information technology in the educational process of the graphic training becomes relevant, as the basic graphic training forms the skills of graphic presentation of information. The purpose of the article is to substantiate the content of graphic training in institutions of higher technical education in conjunction with special software CAD-systems, including SolidWorks. The purpose of the study is to substantiate the content of graphic training in institutions of higher technical education in conjunction with the special software CAD-systems, including the SolidWorks. The methods of the research: analysis of the problems of future bachelors-mechanics’ graphic training, analysis of modern software for the graphic documentation, the generalization to obtain the conclusions and recommendations. The research results demonstrate that the development of modern software to solve problems of automation of three-dimensional design, the design and technological preparation of production of any complexity in various industries allows graduates to be competitive professionally in the labor market. We considered the graphic training in the environment of CAD-systems, also we highlighted the features of a special software SolidWorks-CAD. In the course of research of the content of basic graphic training that includes the descriptive geometry, the engineering and computer graphics in CAD-systems they revealed the most important factors in the formation of methods of mental activity of students. We consider that the most progressive method of the graphic training of engineers is to teach two courses instead of the three classic parts of basic graphic training. The effected research of engineering graphics and the peculiarities of the construction of working drawings in SolidWorks allowed to reconcile their relationship. The mastering of the modern software for solving of the problems of automation of three-dimensional design, the design and technological preparation of production of any complexity in various industries allows for graduates to be competitive professionally in the labor market.

ANALYSIS OF THE POSSIBILITY OF FORMING A STRUCTURAL SYSTEM FOR DEVELOPING ALTERNATIVE OPTIONS OF THE TECHNOLOGICAL PROCESS OF HOT VOLUME FORMING AT THE STAGE OF TECHNOLOGICAL PREPARATION OF PRODUCTION

Рассмотрена возможность оценки альтернативной технологии на этапе технологической подготовки производства. The possibility of evaluating an alternative technology at the stage of technological preparation of production is considered.

Expansion of information support for the assessment of products manufacturability

A methodological approach to the formation of initial data to implement the design procedure for assessing quantitative indicators of parts manufacturability is considered. This approach expands the set of analyzed design characteristics and provides opportunities for formalizing the implementation of technological preparation of machining industries.

RATIONAL DOSAGES FOR USE OF EMULSIONS FROM COLLAGEN-CONTAINING RAW MATERIALS IN MEAT PRODUCTS WITH DIFFERENT DEGREE OF MEAT RAW MATERIAL GRINDING

The article presents the results of research on the determination of rational dosages for the use of emulsions from collagen-containing raw materials, which have undergone technological preparation, in meat products with various degrees of grinding of meat raw materials. It has been found that the optimal dosages for adding emulsions from pork skin and tails fermented by bacteria of the genus Lactobacillus (c (Lb.plantarum: Lb.casei (1:1)) = 1 Ч 107 CFU/g,? = 18 hours, t = 34 °C, 1:2 hydraulic module) to meat products, allowing to provide improved functional-technological and structural-mechanical parameters of these products, are as follows: for model stuffing systems from raw materials subjected to chopping during 8-12 minutes - up to 16%, 2-4 minutes - up to 14%, mincing with diameter of grid holes 2-3 mm - up to 12%, and from blanched raw materials subjected to chopping during 5-7 minutes - up to 20%. At the same time, emulsions from connective tissue fermented by bacteria of the genus Lactobacillus are recommended for use in meat products in the following rational dosages: up to 14% - for model stuffing systems from raw materials subjected to chopping for 8-12 minutes, up to 18% - from blanched raw materials subject to chopping for 5-7 minutes, up to 12% - from raw materials subject to chopping for 2-4 minutes, up to 10% - from raw materials subject to chopping with diameter of grid holes of 2-3 mm.

ІННОВАЦІЙНІ ТЕХНОЛОГІЇ МОДУЛЬНОГО ПРОЄКТУВАННЯ КОНСТРУКТИВНО- УНІФІКОВАНИХ РЯДІВ СТАБІЛЬНОГО АСОРТИМЕНТУ

The Objective of this research is to identify the logistics of the coordination of the modular design processes of constructively-unifi ed rows of competitive garments. The methodology of the modern researches is a combination of analytical methods used in situational modeling of within the sets of models of stable assortment. The nomenclature of structural modules is determined by the method of generating the structural elements of the design of men's jacket design. The method of combinatorial synthesis of composite elements determines the route of modifi cation techniques in the process of developing a design documentation. Results. As a result of research of logistic coordination of sequence of cyclist of working out of a constructively-unifi ed number of models expediency of modifi cation of par ameters of a constructive prototype is revealed. The key areas of innovative technology of a modular design of a stable range are identifi ed as follows:- the objectivity of the assessment of the functionality of the product (the competitiveness of the range increases);- drawing attention to the gradation of structural states of the design object (the algorithm of design solutions is simplifi ed);- unifi cation of structural elements of constructive modifi cation (expands the possibilities of smart technologies by the search function «yes-no»);- coordination of synergetic connections in the game space of the morphological structure of the object (provides minimization of information arrays in updating the models of the industrial collection);- operational planning of stages of design and technological preparation of production (determines the vector of the models selection of an industrial series for start in technological process).Practical value. The obtained results are recommended for the implementation in the production and marketing activities of enterprises in order to increase the effi cie ncy of project documentation and, as a result, improve the competitiveness of products. Provided expansion of smart technologies in business, the logistics of accelerating the design and technological preparation of production has high prospects in application.

Classification of mathematical models of technological design

The use of mathematical models is of great importance for the automation of the design of technological processes. Representation of the geometric parameters of the part in the form of mathematical models allows automating the development of the structure and calculation of the parameters of the technological process, which is important for the complete digitalization of the technological preparation of production. Keywords: technological process, design, mathematical model, digitalization. [email protected]

CHALLENGES OF DISTANCE EDUCATION DURING THE SCHOOL LOCKDOWN: THE LITHUANIAN SCHOOL LEADERS’ PERSPECTIVE

The COVID19 pandemic has caused massive disruption in education practices worldwide and Lithuania was no exception. This article investigates how this period of uncertainties has been perceived by Lithuanian schools during school lockdown. The study aimed to explore the challenges that Lithuanian schools faced and how distance education practices has been reconsidered during school lockdown. The research was based on a survey of 406 sampled school leaders of public education institutions in Lithuania conducted two months into the first nationwide lockdown in spring 2020. This paper aims to discuss the challenges of distance education from the perspective of school leaders, and to link the findings of the study to recent studies related to schools’ responses to the pandemic situation. The survey responses indicated that schools initially focused on the organisation of staff training and technological preparation to start distance education during the first two weeks of lockdown. Their focus two months into the process shifted towards tackling challenges on students' responsiveness and assessment of students' achievements during distance education. Challenges are perceived as opportunities for reflection and growth, re-examine current institution strengths and weaknesses, and reconsolidate with the school communities in prioritising what the utter function in education is.