This article presents a modern, e-learning method designed for the study of the open-end spinning machine with rotor for processing cotton fibers, blends of cotton and chemical fibers or chemical fibers cotton types. It exposes a new teaching and learning approach of the laboratory for subject Processes and Machines in Cotton Spinning Mill comprised in the academic curricula of the 3rd year students, specialization Technology and Design Textile Products. The open-end spinning machine with rotor is placed at the end of the technological flowchart for manufacturing of unconventional yarns. Within this machine, the band resulted after passing two or three drafting passages, is transformed aiming to improve the quality of the yarn. The main operations carried out in the spinning process comprise: feeding the bands, advanced opener with a opener cylinder until fiber individualization, drafting by means of air flow, twisting of the fibrous reinforcement and winding of yarn and finally wrapping the thread on the bobbin. The work is accomplished in Power Point aiming to capture the attention of the students. Besides, the transition from chapter to chapter or to additional relevant aspects within a chapter is carried out by means of hyperlinks. The kinematic and technological schemes developed on Autocad serve to calculus, kinematic and technological, and facilitate a better understanding of the functioning of the machine, part of the machine or different mechanisms. Supplementary, several images, audio and video files support the learning and understanding process. The video material derive from personal records or from processing available movies in the public space, www.youtube.com, using Adobe Premiere Pro CS6 software. For each kinematic or technological parameter to be calculated, the respective kinematic chains are identified by changing the properties of the respective entities (kind, thickness or color of gears). The paper can be accessed from the official website of the university, http://www.uav.ro/, by accessing the platform on https://core.uav.ro/ containing all the bibliographic materials uploaded for university students are. The access requires a username and password, both for teachers who publish information and for students as users.
This article presents a modern, e-learning method designed for the study of the draw frame for processing cotton fibers, blends of cotton and chemical fibers or chemical fibers cotton types. It exposes a new teaching and learning approach of the laboratory for subject Processes and Machines in Cotton Spinning Mill comprised in the academic curricula of the 3rd year students, specialization Technology and Design Textile Products and subject Processes in Spinning Mill comprised in the academic curricula of the 2nd year students, specialization Economic Industrial Engineering. The draw frame is placed after card machine or after combing preparation system for combed yarns. The role of the draw frames is to increase the uniformity of the bands through the doubling effect of the bands, when a doubling of 6 or 8 is used and to increase the quality of the bands by straightening the fibers. The work is accomplished in Power Point aiming to capture the attention of the students. Besides, the transition from chapter to chapter or to additional relevant aspects within a chapter is carried out by means of hyperlinks. The kinematic and technological schemes developed on Autocad serve to calculus, kinematic and technological, and facilitate a better understanding of the functioning of the machine, part of the machine or different mechanisms. Supplementary, several images, audio and video files support the learning and understanding process. The video material derive from personal records or from processing available movies in the public space, www.youtube.com, using Adobe Premiere Pro CS6 software. For each kinematic or technological parameter to be calculated, the respective kinematic chains are identified by changing the properties of the respective entities (kind, thickness or color of gears). The paper can be accessed from the official website of the university, http://www.uav.ro/, by accessing the platform on https://core.uav.ro/ containing all the bibliographic materials uploaded for university students are. The access requires a username and password, both for teachers who publish information and for students as users.
Nowadays, all the more we witness to a rapid technological development and the entanglement of information technology in the formation and maintenance of human connections. As a consequence, the educational system must comply with the current flows. The use of information and communications technology in education exerts a crucial function in increasing the learning process and augmenting its efficiency. Taking into account these premises, we develop a novel approach for the study of a subject of textile metrology. Laboratory practices are fundamental in teaching and learning Metrology by enabling students to acquire practical skills through measurements which allows a more thorough comprehension of the delivered content. Design of this laboratory represents a challenge from the perspective of learners and teachers as well, since it aims to address all learning styles and enhance student's motivation. The laboratory combines a face-to-face teaching and online learning in a blended learning framework, by combination of text based learning with audio-visual support. The virtual laboratory will provide an exhaustive content comprising a description of the dynamometer, measurements that can be accomplished, determined parameters for fabric tensile strength testing, sample preparation and procedures. In order to attract student's attention, the presentation is performed in Power Point. Furthermore, hyperlinks ensure the transition from unit to unit or to other significant issues within an unit. After measurements, follows the calculation and statistical - mathematical processing of the values, according to the applied standards. For the calculation of typical survey values like arithmetic average, dispersion, standard deviation, coefficients of variation, kurtosis and skewness, we use the Excel program. These obtained values will be imported into Power Point and will be compared with those provided by the device, knowing that the device has a touch screen console for control, adjustments and for displaying of measurement values.Thus, this approach can be used either to train students prior they conduct hands-on measurements or after to deep their knowledge. By using this approach, the learning process can be supported independent of the student's location and available infrastructure. The connection occurs via phone, computer etc. from the official website by accessing the university platform on https://core.uav.ro/ .
This paper presents a modern, e-learning method designed for the study of the ring spinning frame for processing cotton fibers, blends of cotton and chemical fibers or chemical fibers cotton types. It envisages a new teaching and learning approach for the laboratory of subject Processes and Machines in Cotton Spinning Mill comprised in the academic curricula of the 3rd year students, specialization Technology and Design Textile Products, by combination of text based learning with audio-visual support. The ring spinning frame is placed at the end of the technological flowchart for processing of cotton and cotton blends for manufacturing of classic yarns. Within this machine the roving resulted from the roving frame is transformed into yarn. The main operations carried out in the spinning process comprise: drawing of roving, twisting of the fibrous and winding of yarn on the pirn. The work is done in Power Point aiming to capture the attention of the students. Besides, the transition from chapter to chapter or to additional relevant aspects within a chapter is accomplished by means of hyperlinks. The kinematic and technological schemes developed on AutoCAD serve to calculus (kinematic and technological) and facilitate a better understanding of the machine functioning, part of the machine or different mechanisms. Supplementary, several images, audio and video files support the learning and understanding process. The video material derive from personal records or from processing films available in the public space, www.youtube.com, using Adobe Premiere Pro CS6 software. For each kinematic or technological parameter to be calculated, the respective kinematic chains are revealed by changing the properties of the respective entities (kind, thickness or color of gears). The paper can be accessed from the official website of the university, http://www.uav.ro/, in the platform https://core.uav.ro/ containing all the bibliographic materials uploaded for students. The access requires a username and password, both for teachers who publish information and for students as users.
Teaching in the digital era brings along a lot of interesting opportunities for both teachers and learners in various engineering subjects. Using information technology may facilitate learner centred instruction, as teachers are expected to meet the learning needs of all students through a personalized learning approach. Depending on the amount of content delivered online, courses could be Web Facilitated (or Web-Enhanced), Blended (or Hybrid), and Online. The main purpose of this case study was to experiment and evaluate the implementation of Web Enhanced courses for specific food engineering and textile engineering disciplines. Such Web Enhanced courses combine online and face-to-face activities, although online elements play a supplemental role to the face-to-face class. To decide on which e-teaching and learning resources (e-TLR), specific to food safety and textile design disciplines, would be more helpful for students to achieve their learning goals, an evaluation of the online environment was conducted. The remarkable increase in free resources and relevant tools (dedicated software) available online, via Webinars, blogs, open repositories, journals and social media allows appropriate choices. Also, in order to increase engagement, collaboration and understanding among students, the social media suitability as an interaction conveyer was assessed. Courses, delivered using Power Point Presentations, are accessible to students both during scheduled classes and virtually through the university platform (on https://core.uav.ro/) anytime via personal smart phone, computer, tablet, etc. Exploring ways technology and the internet could be used in food safety and textile design learning, the results pointed out to the importance of appropriate courses design and use of e-TLR. Accordingly, discussion concerning the findings and implications for future research are elaborated.
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