DESIGN DEVELOPMENT OF LIGHTWEIGHT SPORTS AND RUNNING PLASTICK SKI

UDC 685.363

  • Polkhovsky Anton Viktorovich − Master of Engineering, PhD student, the Department of Technology and Design of Wood Products. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: antopolx1@mail.ru

  • Prokhorchik Sergey Aleksandrovich − PhD (Engineering), Associate Professor, Dean of the Faculty of Distance Education. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: prohor@tut.by

  • Shet’ko Sergey Vasil’yevich − PhD (Engineering), Associate Professor, Vice-rector for Research. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: shs@belstu.by

  • Ruchkina Elena Vasil’yevna − Assistant, the Department of Technology and Design of wood Products. Belarusian State Technological University (13a, Sverdlova str., Minsk, 220006, Republic of Belarus).

DOI: https://doi.org/10.52065/2519-402X-2021-246-32-250–259

Key words: skis, corrugated board, polyurethane foam, 3D printing, weight, stiffness, strength.

For citation: Polkhovsky A. V., Prokhorchik S. A., Shet’ko S. V., Ruchkina E. V. Design development of lightweight sports and running plastick ski. Proceessings of BSTU, issue 1, Forestry. Nature Management. Processing of Renewable Resources, 2021, no. 2 (246), pp. 250–259 (In Russian).DOI: https://doi.org/10.52065/2519-402X-2021-246-32-250–259.

Abstract

The article is devoted to the analysis of the results of work on the design and manufacture of lightweight sports and cross-country plastic skis. The article lists the materials most often used in the manufacture of lightweight skis. These include honeycomb-based materials and foams (polyurethane). The wedges of experimental samples of lightweight sports and cross-country plastic skis, which were manufactured by the Telekhany branch of the state enterprise Belarustorg, are described, namely, wedges made of a material based on honeycomb filler (A glued package of five sheets of five-layer corrugated board was used as a honeycomb core), a wedge made of foam materials (polyurethane foam), 3D printed model wedge and low density wood wedge.

The obtained experimental samples of lightweight skis were tested to determine the main performance indicators of quality, namely, mass, deflection, stiffness of the middle section, Fischer stiffness index, height and length of residual deflection, breaking load, fatigue index under cyclic loading, stiffness front and back.

Based on the tests carried out, the most promising materials for the manufacture of the middle wedge of lightweight sports and cross-country plastic skis were determined. The best test results were found in low density wood. The article is devoted to the analysis of the results of work on the design and manufacture of lightweight sports and cross-country plastic skis.

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