Razvoj postopka kondicioniranja polimernega izdelka

Tobias Jeza, Simona (author), Golobič, Iztok (mentor), Slemenik Perše, Lidija (comentor)

Kondicioniranje polimernih izdelkov je ključnega pomena za zagotavljanje zahtevane vsebnosti vlage in dimenzijske stabilnosti ob dobavi kupcu. Raziskava je bila izvedena na izdelku Zobnik BR223 iz poliamida PA6 GF30. Eksperimentalni del je vključeval primerjavo naravnega in pospešenega kondicioniranja v klimatski komori, analizo vpliva časa, temperature in relativne vlažnosti ter preverjanje vpliva položaja in orientacije izdelkov med kondicioniranjem. Vsebnost vlage je bila določena z metodo Karl Fischer, dimenzijske spremembe pa s koordinatnimi meritvami. Rezultati so pokazali, da program kondicioniranja pri temperaturi 80 °C in relativni vlažnosti 90 % v trajanju 8 ur zagotavlja zahtevano vsebnost vlage po stabilizaciji izdelkov. Položaj in orientacija vzorcev nista bistveno vplivala na enakomernost kondicioniranja. Kondicioniranje je izboljšalo dimenzijsko skladnost izdelkov, saj so bile po kondicioniranju vse analizirane karakteristike znotraj predpisanih toleranc. Razviti postopek predstavlja ustrezno osnovo za industrijsko uporabo pri kondicioniranju polimernih izdelkov.

• Language: Slovenian
• Keywords: kondicioniranje, polimerni izdelek, poliamid, vsebnost vlage, dimenzijska stabilnost
• Work type: Master's thesis/paper
• Organization: FS - Faculty of Mechanical Engineering
• Year: 2026
• PID: 20.500.12556/RUL-187473
• Publication date in RUL: 11.09.2026

Secondary language

• Language: English
• Title: Development of a Conditioning Process for a Polymeric Component

Abstract

Conditioning of polymeric components is essential for ensuring the required moisture content and dimensional stability at the time of delivery to the customer. The research was conducted on the BR223 gear manufactured from PA6 GF30 polyamide. The experimental work included a comparison of natural and accelerated conditioning in a climatic chamber, an analysis of the effects of conditioning time, temperature, and relative humidity, as well as an evaluation of the influence of component position and orientation during conditioning. Moisture content was determined using the Karl Fischer method, while dimensional changes were evaluated by coordinate measurements. The results showed that a conditioning program at 80 °C and 90% relative humidity for 8 hours ensures the required moisture content after stabilization of the components. The position and orientation of the specimens had no significant effect on the uniformity of conditioning. Conditioning improved the dimensional conformity of the components, with all evaluated characteristics remaining within the specified tolerances after conditioning. The developed conditioning procedure provides a suitable basis for the industrial application of polymeric component conditioning.

• Keywords: conditioning, polymeric component, polyamide, moisture absorption, dimensional stability